From patchwork Mon Nov 29 15:33:17 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Felix Fietkau X-Patchwork-Id: 12693922 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 7B61CC433F5 for ; Mon, 29 Nov 2021 15:35:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=EAljbtXncvTzwCs2CW4S83x7twAfu+856BKVcnXTF2Y=; b=HNveGRotMD3+m1 b/VXa5AvdUncSACbyEZjGLb3f4jT814nBFB4vkp6w31yqaplX3lIEyMXr6PBdjAL9OyC/uw/5R/pT ny60CreFcyp7z6m2Dc4TpVwPmZqBtkzEf0Z/Ss6UOfslZ1HqlZozyaqHiNnvnhhOG+ur1Q9h+7pdL 7hl2bbiVscd1U8osRDzLExxZamWftt7/60J3dJm3FV0WLEU0LPjInCgt7Q6t9nR11VwQ6zNk4k5OZ pxOuZJIxMlAPTQ2tXXpCf608pVqEh5AkkPHa1Ta84zADrMOhOdAtxJoEkjXsFDroQP6hxHoVgDiu6 Ar/WSSuhvjf+ZHVFKKBw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mrif1-001G51-CP; Mon, 29 Nov 2021 15:33:43 +0000 Received: from nbd.name ([2a01:4f8:221:3d45::2]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mriew-001G1r-TG for linux-arm-kernel@lists.infradead.org; Mon, 29 Nov 2021 15:33:41 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=nbd.name; s=20160729; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=uiLb1gICfT2LSIzGyLrHbKByJX69DDfTkndQNPjdmhw=; b=pHl8TrmiGPlW5BYNzRhOvSdp4P 2BA8YDkuO66OcPsDtTvJbMFonedcaAORvP+0e7r4MzJqY05Cgcv9+v2S0A6UCT9ftua53uAzruvR4 zfejNpn0qI67E/EzwdQh9a/VdtmAswXaE11I9v7mxUNM49v+VEzehZTtdChQrc/kmkbA=; Received: from p54ae943f.dip0.t-ipconnect.de ([84.174.148.63] helo=localhost.localdomain) by ds12 with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.89) (envelope-from ) id 1mrier-0000mo-Gg; Mon, 29 Nov 2021 16:33:33 +0100 From: Felix Fietkau To: linux-arm-kernel@lists.infradead.org, Rob Herring Cc: john@phrozen.org, Rob Herring , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v5 01/13] dt-bindings: Add vendor prefix for Airoha Date: Mon, 29 Nov 2021 16:33:17 +0100 Message-Id: <20211129153330.37719-2-nbd@nbd.name> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20211129153330.37719-1-nbd@nbd.name> References: <20211129153330.37719-1-nbd@nbd.name> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211129_073339_288595_201DD3D6 X-CRM114-Status: UNSURE ( 8.87 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: John Crispin Add vendor prefix "airoha" for Airoha, a subsidiary of MediaTek Acked-by: Rob Herring Signed-off-by: John Crispin Signed-off-by: Bert Vermeulen --- Documentation/devicetree/bindings/vendor-prefixes.yaml | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml index 66d6432fd781..025df36aee5f 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.yaml +++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml @@ -59,6 +59,8 @@ patternProperties: description: Aeroflex Gaisler AB "^aesop,.*": description: AESOP Embedded Forum + "^airoha,.*": + description: Airoha "^al,.*": description: Annapurna Labs "^alcatel,.*": From patchwork Mon Nov 29 15:33:18 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Felix Fietkau X-Patchwork-Id: 12693923 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3CA73C433F5 for ; Mon, 29 Nov 2021 15:35:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=nrLtCdDv6WNcgTnCGila6KUX/96aea6BBUJUawHba5o=; b=2IzGUDGc6EM5TA Q1+Um44yfeX2qwiAxa4cc+GVC/AbWTh9yq1/vB/6joCrvJ3zOXz7XbEO6gkThZfQqN3SrURwF0vgP Thg/PDXhPp4vMd97NOJ9P197Z9GEL/jafAeGGOOCpoBmjhU/+g/YEKZ0E7FLPVHdYzYW1MkvSc/Bv +BpWIrvZA8nZISbjZGWYv3g2srvGSAy4nJbUOJpml2oleBiDf5uC+xa2yfcpzeI4/scTjl00Y21zC Jwout19LgU+cTwgjle9WfF82GL6J8fyBGfAD2R9yvf42fZTVZ74e7GQ+MLOvtbSg5HVenLVdm2zAh cd6orBK5xn3V3U/NZhVQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mrifN-001GA5-52; Mon, 29 Nov 2021 15:34:05 +0000 Received: from nbd.name ([2a01:4f8:221:3d45::2]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mriew-001G1v-Sq for linux-arm-kernel@lists.infradead.org; Mon, 29 Nov 2021 15:33:41 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=nbd.name; s=20160729; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=PAFpJRBq7s67yuTja0yV/ZF+lCxmvv79xxRScPPeZAc=; b=BK4/XiSy4WX/g5Wb4WXOp5EKJR tvPbXrZBLG3dFniuw5ZoJRFUhKHN920J9eKy9MEYcmTO1MCpuM+2JAYpR1j3uGl5WpeIPDxQqsAVf +PAZ+vG1K31NYUKeDzdylvGYnWwnT1AQ76TdvEVgCx81FJbeRTdGVqCCnQmPtOpYrXdY=; Received: from p54ae943f.dip0.t-ipconnect.de ([84.174.148.63] helo=localhost.localdomain) by ds12 with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.89) (envelope-from ) id 1mries-0000mo-Cs; Mon, 29 Nov 2021 16:33:34 +0100 From: Felix Fietkau To: linux-arm-kernel@lists.infradead.org, Rob Herring , John Crispin Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v5 02/13] dt-bindings: arm: airoha: Add binding for EN7523 SoC and EVB Date: Mon, 29 Nov 2021 16:33:18 +0100 Message-Id: <20211129153330.37719-3-nbd@nbd.name> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20211129153330.37719-1-nbd@nbd.name> References: <20211129153330.37719-1-nbd@nbd.name> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211129_073339_291870_2E696FE8 X-CRM114-Status: GOOD ( 12.37 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: John Crispin Add devicetree binding for Airoha EN7523 SoC and evaluation board. Signed-off-by: John Crispin Signed-off-by: Bert Vermeulen Signed-off-by: Felix Fietkau --- .../devicetree/bindings/arm/airoha.yaml | 28 +++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/airoha.yaml diff --git a/Documentation/devicetree/bindings/arm/airoha.yaml b/Documentation/devicetree/bindings/arm/airoha.yaml new file mode 100644 index 000000000000..fc19b1a6f37b --- /dev/null +++ b/Documentation/devicetree/bindings/arm/airoha.yaml @@ -0,0 +1,28 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/arm/airoha.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Airoha SoC based Platforms Device Tree Bindings + +maintainers: + - Felix Fietkau + - John Crispin + +description: + Boards with an Airoha SoC shall have the following properties. + +properties: + $nodename: + const: '/' + compatible: + oneOf: + - items: + - enum: + - airoha,en7523-evb + - const: airoha,en7523 + +additionalProperties: true + +... From patchwork Mon Nov 29 15:33:19 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Felix Fietkau X-Patchwork-Id: 12693925 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 8D996C433F5 for ; Mon, 29 Nov 2021 15:36:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=zFPNO9p8u/S1JvV8wC0Wpluf8c6XIMRQS/SctICDXRs=; b=Vlv5GWyWwNqc0n Pk0V+1HO4IhQJKW9yDSmGl6yPP8WdM2LsepK+KpY7EUDpFMRrfAa9kXA9tBrwt4BAYDYHMmRpXcin 420bq3ka8KcnXEfcY6OHG6PnTzE69fbANWU9XLE4tUhhb1FXIaXs2nrLuM7Tjzb/103VqYYcMKFFq FqOmfkWe4DiwUOb1ejUW27AaQXVgElxxaJfVkrF+aU5MFVMWkpH6ktYJPGpRkBbJv6l4AI79Do8o7 nOQRSu8QcFvttelVhuF7EgXNs+pRsVm2pClYyKuolMBDsqMjIuMywA69hSKTnq0bripPxesy1rGpc KJ7W2Wywug8oc2DfeOGQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mrifk-001GF6-GX; Mon, 29 Nov 2021 15:34:28 +0000 Received: from nbd.name ([2a01:4f8:221:3d45::2]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mriey-001G2B-Di for linux-arm-kernel@lists.infradead.org; Mon, 29 Nov 2021 15:33:42 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=nbd.name; s=20160729; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=sW9ErcSdl03fxW78BSOwUtccUP4IiU7zC/kMGgXrowg=; b=b8cM64n+zueOYkFobGCMBE5TNu EDmvsFD6U8dOIpCGjGmL0tX2DdhjWcZ5Wfzp6J0kVe6mbQtmxLl9a6cCPn6gJcVi63ZkF7ffRE+vp 8e1v5iidQCyu6PdPitZingpI6aWcGn2R44rnxoLvGASrFBZSr32XYyMB9Htm05cv0czg=; Received: from p54ae943f.dip0.t-ipconnect.de ([84.174.148.63] helo=localhost.localdomain) by ds12 with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.89) (envelope-from ) id 1mriet-0000mo-Nv; Mon, 29 Nov 2021 16:33:35 +0100 From: Felix Fietkau To: linux-arm-kernel@lists.infradead.org, Arnd Bergmann , Olof Johansson , soc@kernel.org, Rob Herring Cc: john@phrozen.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v5 03/13] ARM: dts: Add basic support for Airoha EN7523 Date: Mon, 29 Nov 2021 16:33:19 +0100 Message-Id: <20211129153330.37719-4-nbd@nbd.name> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20211129153330.37719-1-nbd@nbd.name> References: <20211129153330.37719-1-nbd@nbd.name> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211129_073340_663735_0C9B486D X-CRM114-Status: GOOD ( 15.89 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: John Crispin Add basic support for Airoha EN7523, enough for booting to console. The UART is basically 8250-compatible, except for the clock selection. A clock-frequency value is synthesized to get this to run at 115200 bps. Signed-off-by: John Crispin Signed-off-by: Bert Vermeulen --- arch/arm/boot/dts/Makefile | 2 + arch/arm/boot/dts/en7523-evb.dts | 27 ++++++++ arch/arm/boot/dts/en7523.dtsi | 114 +++++++++++++++++++++++++++++++ 3 files changed, 143 insertions(+) create mode 100644 arch/arm/boot/dts/en7523-evb.dts create mode 100644 arch/arm/boot/dts/en7523.dtsi diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 0de64f237cd8..81cb49f8d6fd 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -186,6 +186,8 @@ dtb-$(CONFIG_ARCH_DAVINCI) += \ da850-lego-ev3.dtb dtb-$(CONFIG_ARCH_DIGICOLOR) += \ cx92755_equinox.dtb +dtb-$(CONFIG_ARCH_AIROHA) += \ + en7523-evb.dtb dtb-$(CONFIG_ARCH_EXYNOS3) += \ exynos3250-artik5-eval.dtb \ exynos3250-monk.dtb \ diff --git a/arch/arm/boot/dts/en7523-evb.dts b/arch/arm/boot/dts/en7523-evb.dts new file mode 100644 index 000000000000..69754ef9a628 --- /dev/null +++ b/arch/arm/boot/dts/en7523-evb.dts @@ -0,0 +1,27 @@ +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +/dts-v1/; + +/* Bootloader installs ATF here */ +/memreserve/ 0x80000000 0x200000; + +#include "en7523.dtsi" + +/ { + model = "Airoha EN7523 Evaluation Board"; + compatible = "airoha,en7523-evb", "airoha,en7523"; + + aliases { + serial0 = &uart1; + }; + + chosen { + bootargs = "console=ttyS0,115200 earlycon"; + stdout-path = "serial0:115200n8"; + linux,usable-memory-range = <0x80200000 0x1fe00000>; + }; + + memory@80000000 { + device_type = "memory"; + reg = <0x80000000 0x20000000>; + }; +}; diff --git a/arch/arm/boot/dts/en7523.dtsi b/arch/arm/boot/dts/en7523.dtsi new file mode 100644 index 000000000000..7e17311a3f90 --- /dev/null +++ b/arch/arm/boot/dts/en7523.dtsi @@ -0,0 +1,114 @@ +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) + +#include +#include + +/ { + interrupt-parent = <&gic>; + #address-cells = <1>; + #size-cells = <1>; + + reserved-memory { + #address-cells = <1>; + #size-cells = <1>; + ranges; + + npu_binary@84000000 { + no-map; + reg = <0x84000000 0xA00000>; + }; + + npu_flag@84B0000 { + no-map; + reg = <0x84B00000 0x100000>; + }; + + npu_pkt@85000000 { + no-map; + reg = <0x85000000 0x1A00000>; + }; + + npu_phyaddr@86B00000 { + no-map; + reg = <0x86B00000 0x100000>; + }; + + npu_rxdesc@86D00000 { + no-map; + reg = <0x86D00000 0x100000>; + }; + }; + + psci { + compatible = "arm,psci-0.2"; + method = "smc"; + }; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu-map { + cluster0 { + core0 { + cpu = <&cpu0>; + }; + core1 { + cpu = <&cpu1>; + }; + }; + }; + + cpu0: cpu@0 { + device_type = "cpu"; + compatible = "arm,cortex-a53"; + reg = <0x0>; + enable-method = "psci"; + clock-frequency = <80000000>; + next-level-cache = <&L2_0>; + }; + + cpu1: cpu@1 { + device_type = "cpu"; + compatible = "arm,cortex-a53"; + reg = <0x1>; + enable-method = "psci"; + clock-frequency = <80000000>; + next-level-cache = <&L2_0>; + }; + + L2_0: l2-cache0 { + compatible = "cache"; + }; + }; + + gic: interrupt-controller@9000000 { + compatible = "arm,gic-v3"; + interrupt-controller; + #interrupt-cells = <3>; + #address-cells = <1>; + #size-cells = <1>; + reg = <0x09000000 0x20000>, <0x09080000 0x80000>; + interrupts = ; + }; + + timer { + compatible = "arm,armv7-timer"; + interrupt-parent = <&gic>; + interrupts = , + , + , + ; + clock-frequency = <25000000>; + }; + + uart1: serial@1fbf0000 { + compatible = "ns16550"; + reg = <0x1fbf0000 0x30>; + reg-io-width = <4>; + reg-shift = <2>; + interrupts = ; + clock-frequency = <1843200>; + status = "okay"; + }; +}; From patchwork Mon Nov 29 15:33:20 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Felix Fietkau X-Patchwork-Id: 12693928 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id EA033C433EF for ; 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Mon, 29 Nov 2021 16:33:36 +0100 From: Felix Fietkau To: linux-arm-kernel@lists.infradead.org, Russell King Cc: john@phrozen.org, linux-kernel@vger.kernel.org Subject: [PATCH v5 04/13] ARM: Add basic support for Airoha EN7523 SoC Date: Mon, 29 Nov 2021 16:33:20 +0100 Message-Id: <20211129153330.37719-5-nbd@nbd.name> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20211129153330.37719-1-nbd@nbd.name> References: <20211129153330.37719-1-nbd@nbd.name> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211129_073345_260589_45137FDE X-CRM114-Status: GOOD ( 10.54 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: John Crispin EN7523 is an armv8 based silicon used inside broadband access type devices such as xPON and xDSL. It shares various silicon blocks with MediaTek silicon such as the MT7622. Signed-off-by: John Crispin Signed-off-by: Bert Vermeulen --- arch/arm/Kconfig | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index f0f9e8bec83a..8dcd05ef31cc 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -573,6 +573,18 @@ config ARCH_VIRT select HAVE_ARM_ARCH_TIMER select ARCH_SUPPORTS_BIG_ENDIAN +config ARCH_AIROHA + bool "Airoha SoC Support" + depends on ARCH_MULTI_V7 + select ARM_AMBA + select ARM_GIC + select ARM_GIC_V3 + select ARM_PSCI + select HAVE_ARM_ARCH_TIMER + select COMMON_CLK + help + Support for Airoha EN7523 SoCs + # # This is sorted alphabetically by mach-* pathname. However, plat-* # Kconfigs may be included either alphabetically (according to the From patchwork Mon Nov 29 15:33:21 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Felix Fietkau X-Patchwork-Id: 12693927 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3D313C433F5 for ; Mon, 29 Nov 2021 15:36:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=/txORo8j/Co3Rirh471l7yGLu5enzHdhriaQPSK0lpE=; b=xu7zuXM92HgRoP MUGU9qC8N6E4yPxs/Oc47GTT44S9CQch5G9AND+AFBo8sqDOtTAokMMClj820NM8unQct/ZsPDpSl uuklydYiA/nGmrpemgsc1px7USMowyT/VzxLTBeuVY8kX/d4W6Z6KsYSnY9cdxuJN3sqU5Mj4fxMl 3SAKt0GQ0iXh5PQgS9kZsP9F3N6x21AImay1niF63im5MmKlfAfKhIOa+uyah6VrJeqeA6eH1u8fj O1ge5VciRDKrXs1o0SeQd9ElKHTFTIXHaCzXrr4xjAJNDF/1cjKeFQAWXicfRPEnCimykxHEHl3CS yjGZLLEh4Pou9sA0kRzg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mrigG-001GRI-LU; Mon, 29 Nov 2021 15:35:00 +0000 Received: from nbd.name ([2a01:4f8:221:3d45::2]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mrif2-001G5K-Fk for linux-arm-kernel@lists.infradead.org; Mon, 29 Nov 2021 15:33:45 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=nbd.name; s=20160729; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=A7INkRKyeSGoWGaGf1MYn5atjdsKEWuXQlXgfPh4qb4=; b=iq0GNwzZluxYR0Yh80qpd5xNa6 nJHiP41Ku3tVVwuwmIaZLUCHR0t/k47NHPvv1Tr6KZ/iTGzy6lW4gA3BviElNb00vOd0Qq8DzwyWh PGA8SnrLzWfQ1fh+RAswKPhCY9nG/15ldIPkBGuKsYgmFXGyNSaBK1b9+Rq0sMuQwimE=; Received: from p54ae943f.dip0.t-ipconnect.de ([84.174.148.63] helo=localhost.localdomain) by ds12 with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.89) (envelope-from ) id 1mriev-0000mo-6W; Mon, 29 Nov 2021 16:33:37 +0100 From: Felix Fietkau To: linux-arm-kernel@lists.infradead.org, Russell King Cc: john@phrozen.org, linux-kernel@vger.kernel.org Subject: [PATCH v5 05/13] ARM: multi_v7_defconfig: Add support for Airoha EN7523 SoC Date: Mon, 29 Nov 2021 16:33:21 +0100 Message-Id: <20211129153330.37719-6-nbd@nbd.name> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20211129153330.37719-1-nbd@nbd.name> References: <20211129153330.37719-1-nbd@nbd.name> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211129_073344_712304_AA5ED46B X-CRM114-Status: UNSURE ( 9.43 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: John Crispin This enables basic bootup support for the Airoha EN7523 SoC. Signed-off-by: John Crispin --- arch/arm/configs/multi_v7_defconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig index c951aeed2138..912b3d60325b 100644 --- a/arch/arm/configs/multi_v7_defconfig +++ b/arch/arm/configs/multi_v7_defconfig @@ -32,6 +32,7 @@ CONFIG_MACH_BERLIN_BG2=y CONFIG_MACH_BERLIN_BG2CD=y CONFIG_MACH_BERLIN_BG2Q=y CONFIG_ARCH_DIGICOLOR=y +CONFIG_ARCH_AIROHA=y CONFIG_ARCH_EXYNOS=y CONFIG_ARCH_HIGHBANK=y CONFIG_ARCH_HISI=y From patchwork Mon Nov 29 15:33:22 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Felix Fietkau X-Patchwork-Id: 12693924 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 2C959C433F5 for ; Mon, 29 Nov 2021 15:35:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=GbHN7eFA3ZLJRNraIaL3Ak8CRd8R3r5rB4pGmF27ers=; b=LC4tr5i/iSsJKs s+RfYQzmh+S9sUMJouThIfd5iy815lRpTJoAeMC9uDAAzels7pQDuvlpFDmlIXgWJW4SDZBwNbcVv 3aWqyJpdn7GGXpnTcR351hlcg6NxDJwIyg66SPmZWPkF3feHolIJ3NT84JDbXCqxVTDhb8l2zpdmx U1qnoqzq2/lAhOXF0Vg39Lmjbk4X92Vob4E7jUybbjl3zqMGA1NQb+LSR0tmxun4lPpN/8z17Xtco ZT0T/LywJZOSx+UbDsygBeJgsvJSPll9zpmcAoiIAi/67fAIFLmbiAlizyqNEu3W/NGQos+a9bgFG 8apatv3Zc4QDmHWBgK+g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mrifY-001GCg-Bt; Mon, 29 Nov 2021 15:34:16 +0000 Received: from nbd.name ([2a01:4f8:221:3d45::2]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mriey-001G2g-4H for linux-arm-kernel@lists.infradead.org; Mon, 29 Nov 2021 15:33:41 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=nbd.name; s=20160729; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=S3Tw/8Fei/1i+bTG4/JHPJIzBoM/42mdFCJiUaqrlEk=; b=sZjtRftio6XBg6Mp2SkTb15K3T uXZREeaUIepNExroud6Mwv3PmDmyA+bo+hMDI3UCgJSkUMv2VVIfmNmnyFU+Ymz/8oAaiJ62MOdJO +IjcYtNFJ4U22jJ8nK3uw1t+wkATbNlZoBWR+zvY35jOYniFzVAfjUj2HO7C4E8nHMoM=; Received: from p54ae943f.dip0.t-ipconnect.de ([84.174.148.63] helo=localhost.localdomain) by ds12 with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.89) (envelope-from ) id 1mriew-0000mo-7x; Mon, 29 Nov 2021 16:33:38 +0100 From: Felix Fietkau To: linux-arm-kernel@lists.infradead.org, Michael Turquette , Stephen Boyd , Rob Herring Cc: john@phrozen.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v5 06/13] dt-bindings: Add en7523-scu device tree binding documentation Date: Mon, 29 Nov 2021 16:33:22 +0100 Message-Id: <20211129153330.37719-7-nbd@nbd.name> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20211129153330.37719-1-nbd@nbd.name> References: <20211129153330.37719-1-nbd@nbd.name> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211129_073340_369726_EDE5614A X-CRM114-Status: GOOD ( 15.05 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: John Crispin Adds device tree binding documentation for clocks in the EN7523 SOC. Signed-off-by: Felix Fietkau Signed-off-by: John Crispin --- .../bindings/clock/airoha,en7523-scu.yaml | 58 +++++++++++++++++++ include/dt-bindings/clock/en7523-clk.h | 17 ++++++ 2 files changed, 75 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/airoha,en7523-scu.yaml create mode 100644 include/dt-bindings/clock/en7523-clk.h diff --git a/Documentation/devicetree/bindings/clock/airoha,en7523-scu.yaml b/Documentation/devicetree/bindings/clock/airoha,en7523-scu.yaml new file mode 100644 index 000000000000..79660f8126fa --- /dev/null +++ b/Documentation/devicetree/bindings/clock/airoha,en7523-scu.yaml @@ -0,0 +1,58 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/airoha,en7523-scu.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: EN7523 Clock Device Tree Bindings + +maintainers: + - Felix Fietkau + - John Crispin + +description: | + This node defines the System Control Unit of the EN7523 SoC, + a collection of registers configuring many different aspects of the SoC. + + The clock driver uses it to read and configure settings of the + PLL controller, which provides clocks for the CPU, the bus and + other SoC internal peripherals. + + Each clock is assigned an identifier and client nodes use this identifier + to specify which clock they consume. + + All these identifiers can be found in: + [1]: . + + The clocks are provided inside a system controller node. + +properties: + compatible: + items: + - const: airoha,en7523-scu + + reg: + maxItems: 2 + + "#clock-cells": + description: + The first cell indicates the clock number, see [1] for available + clocks. + const: 1 + +required: + - compatible + - reg + - '#clock-cells' + +additionalProperties: false + +examples: + - | + #include + scu: scu@1fa20000 { + compatible = "airoha,en7523-scu"; + reg = <0x1fa20000 0x400>, + <0x1fb00000 0x1000>; + #clock-cells = <1>; + }; diff --git a/include/dt-bindings/clock/en7523-clk.h b/include/dt-bindings/clock/en7523-clk.h new file mode 100644 index 000000000000..717d23a5e5ae --- /dev/null +++ b/include/dt-bindings/clock/en7523-clk.h @@ -0,0 +1,17 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ + +#ifndef _DT_BINDINGS_CLOCK_AIROHA_EN7523_H_ +#define _DT_BINDINGS_CLOCK_AIROHA_EN7523_H_ + +#define EN7523_CLK_GSW 0 +#define EN7523_CLK_EMI 1 +#define EN7523_CLK_BUS 2 +#define EN7523_CLK_SLIC 3 +#define EN7523_CLK_SPI 4 +#define EN7523_CLK_NPU 5 +#define EN7523_CLK_CRYPTO 6 +#define EN7523_CLK_PCIE 7 + +#define EN7523_NUM_CLOCKS 8 + +#endif /* _DT_BINDINGS_CLOCK_AIROHA_EN7523_H_ */ From patchwork Mon Nov 29 15:33:23 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Felix Fietkau X-Patchwork-Id: 12693926 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 4C0DDC433EF for ; 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Mon, 29 Nov 2021 16:33:39 +0100 From: Felix Fietkau To: linux-arm-kernel@lists.infradead.org, Rob Herring , Michael Turquette , Stephen Boyd Cc: john@phrozen.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org Subject: [PATCH v5 07/13] clk: en7523: Add clock driver for Airoha EN7523 SoC Date: Mon, 29 Nov 2021 16:33:23 +0100 Message-Id: <20211129153330.37719-8-nbd@nbd.name> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20211129153330.37719-1-nbd@nbd.name> References: <20211129153330.37719-1-nbd@nbd.name> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211129_073342_902342_73D235A5 X-CRM114-Status: GOOD ( 26.92 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org This driver only registers fixed rate clocks, since the clocks are fully initialized by the boot loader and should not be changed later, according to Airoha. Signed-off-by: Felix Fietkau Reported-by: kernel test robot --- arch/arm/boot/dts/en7523.dtsi | 8 + drivers/clk/Kconfig | 9 + drivers/clk/Makefile | 1 + drivers/clk/clk-en7523.c | 356 ++++++++++++++++++++++++++++++++++ 4 files changed, 374 insertions(+) create mode 100644 drivers/clk/clk-en7523.c diff --git a/arch/arm/boot/dts/en7523.dtsi b/arch/arm/boot/dts/en7523.dtsi index 7e17311a3f90..0148958c607b 100644 --- a/arch/arm/boot/dts/en7523.dtsi +++ b/arch/arm/boot/dts/en7523.dtsi @@ -2,6 +2,7 @@ #include #include +#include / { interrupt-parent = <&gic>; @@ -82,6 +83,13 @@ L2_0: l2-cache0 { }; }; + scu: scu@1fa20000 { + compatible = "airoha,en7523-scu"; + reg = <0x1fa20000 0x400>, + <0x1fb00000 0x1000>; + #clock-cells = <1>; + }; + gic: interrupt-controller@9000000 { compatible = "arm,gic-v3"; interrupt-controller; diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig index c5b3dc97396a..b542f58c58d2 100644 --- a/drivers/clk/Kconfig +++ b/drivers/clk/Kconfig @@ -192,6 +192,15 @@ config COMMON_CLK_CS2000_CP help If you say yes here you get support for the CS2000 clock multiplier. +config COMMON_CLK_EN7523 + bool "Clock driver for Airoha EN7523 SoC system clocks" + depends on OF + depends on ARCH_AIROHA || ARM || COMPILE_TEST + default ARCH_AIROHA + help + This driver provides the fixed clocks and gates present on Airoha + ARM silicon. + config COMMON_CLK_FSL_FLEXSPI tristate "Clock driver for FlexSPI on Layerscape SoCs" depends on ARCH_LAYERSCAPE || COMPILE_TEST diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile index e42312121e51..be11d88c1603 100644 --- a/drivers/clk/Makefile +++ b/drivers/clk/Makefile @@ -27,6 +27,7 @@ obj-$(CONFIG_COMMON_CLK_CDCE925) += clk-cdce925.o obj-$(CONFIG_ARCH_CLPS711X) += clk-clps711x.o obj-$(CONFIG_COMMON_CLK_CS2000_CP) += clk-cs2000-cp.o obj-$(CONFIG_ARCH_SPARX5) += clk-sparx5.o +obj-$(CONFIG_COMMON_CLK_EN7523) += clk-en7523.o obj-$(CONFIG_COMMON_CLK_FIXED_MMIO) += clk-fixed-mmio.o obj-$(CONFIG_COMMON_CLK_FSL_FLEXSPI) += clk-fsl-flexspi.o obj-$(CONFIG_COMMON_CLK_FSL_SAI) += clk-fsl-sai.o diff --git a/drivers/clk/clk-en7523.c b/drivers/clk/clk-en7523.c new file mode 100644 index 000000000000..f1774a5bf537 --- /dev/null +++ b/drivers/clk/clk-en7523.c @@ -0,0 +1,356 @@ +// SPDX-License-Identifier: GPL-2.0-only + +#include +#include +#include +#include +#include +#include +#include +#include + +#define REG_PCI_CONTROL 0x88 +#define REG_PCI_CONTROL_PERSTOUT BIT(29) +#define REG_PCI_CONTROL_PERSTOUT1 BIT(26) +#define REG_PCI_CONTROL_REFCLK_EN1 BIT(22) +#define REG_GSW_CLK_DIV_SEL 0x1b4 +#define REG_EMI_CLK_DIV_SEL 0x1b8 +#define REG_BUS_CLK_DIV_SEL 0x1bc +#define REG_SPI_CLK_DIV_SEL 0x1c4 +#define REG_SPI_CLK_FREQ_SEL 0x1c8 +#define REG_NPU_CLK_DIV_SEL 0x1fc +#define REG_CRYPTO_CLKSRC 0x200 +#define REG_RESET_CONTROL 0x834 +#define REG_RESET_CONTROL_PCIEHB BIT(29) +#define REG_RESET_CONTROL_PCIE1 BIT(27) +#define REG_RESET_CONTROL_PCIE2 BIT(26) + +struct en_clk_desc { + int id; + const char *name; + u32 base_reg; + u32 base_bits; + u32 base_shift; + union { + const u32 *base_values; + u32 base_value; + }; + int n_base_values; + + u32 div_reg; + u32 div_bits; + u32 div_shift; + u32 div_val0; + u32 div_step; +}; + +struct en_clk_gate { + void __iomem *base; + struct clk_hw hw; +}; + +static const u32 gsw_base[] = { 400000000, 500000000 }; +static const u32 emi_base[] = { 333000000, 400000000 }; +static const u32 bus_base[] = { 500000000, 540000000 }; +static const u32 slic_base[] = { 100000000, 3125000 }; +static const u32 npu_base[] = { 333000000, 400000000, 500000000 }; + +static const struct en_clk_desc en7523_base_clks[] = { + { + .id = EN7523_CLK_GSW, + .name = "gsw", + + .base_reg = REG_GSW_CLK_DIV_SEL, + .base_bits = 1, + .base_shift = 8, + .base_values = gsw_base, + .n_base_values = ARRAY_SIZE(gsw_base), + + .div_bits = 3, + .div_shift = 0, + .div_step = 1, + }, { + .id = EN7523_CLK_EMI, + .name = "emi", + + .base_reg = REG_EMI_CLK_DIV_SEL, + .base_bits = 1, + .base_shift = 8, + .base_values = emi_base, + .n_base_values = ARRAY_SIZE(emi_base), + + .div_bits = 3, + .div_shift = 0, + .div_step = 1, + }, { + .id = EN7523_CLK_BUS, + .name = "bus", + + .base_reg = REG_BUS_CLK_DIV_SEL, + .base_bits = 1, + .base_shift = 8, + .base_values = bus_base, + .n_base_values = ARRAY_SIZE(bus_base), + + .div_bits = 3, + .div_shift = 0, + .div_step = 1, + }, { + .id = EN7523_CLK_SLIC, + .name = "slic", + + .base_reg = REG_SPI_CLK_FREQ_SEL, + .base_bits = 1, + .base_shift = 0, + .base_values = slic_base, + .n_base_values = ARRAY_SIZE(slic_base), + + .div_reg = REG_SPI_CLK_DIV_SEL, + .div_bits = 5, + .div_shift = 24, + .div_val0 = 20, + .div_step = 2, + }, { + .id = EN7523_CLK_SPI, + .name = "spi", + + .base_reg = REG_SPI_CLK_DIV_SEL, + + .base_value = 400000000, + + .div_bits = 5, + .div_shift = 8, + .div_val0 = 40, + .div_step = 2, + }, { + .id = EN7523_CLK_NPU, + .name = "npu", + + .base_reg = REG_NPU_CLK_DIV_SEL, + .base_bits = 2, + .base_shift = 8, + .base_values = npu_base, + .n_base_values = ARRAY_SIZE(npu_base), + + .div_bits = 3, + .div_shift = 0, + .div_step = 1, + }, { + .id = EN7523_CLK_CRYPTO, + .name = "crypto", + + .base_reg = REG_CRYPTO_CLKSRC, + .base_bits = 1, + .base_shift = 8, + .base_values = emi_base, + .n_base_values = ARRAY_SIZE(emi_base), + } +}; + +static const struct of_device_id of_match_clk_en7523[] = { + { .compatible = "airoha,en7523-scu", }, + { /* sentinel */ } +}; + +static u32 en7523_get_base_rate(void __iomem *base, int i) +{ + const struct en_clk_desc *desc = &en7523_base_clks[i]; + u32 val; + + if (!desc->base_bits) + return desc->base_value; + + val = readl(base + desc->base_reg); + val >>= desc->base_shift; + val &= (1 << desc->base_bits) - 1; + + if (val >= desc->n_base_values) + return 0; + + return desc->base_values[val]; +} + +static u32 en7523_get_div(void __iomem *base, int i) +{ + const struct en_clk_desc *desc = &en7523_base_clks[i]; + u32 reg, val; + + if (!desc->div_bits) + return 1; + + reg = desc->div_reg ? desc->div_reg : desc->base_reg; + val = readl(base + reg); + val >>= desc->div_shift; + val &= (1 << desc->div_bits) - 1; + + if (!val && desc->div_val0) + return desc->div_val0; + + return (val + 1) * desc->div_step; +} + +static int en7523_pci_is_enabled(struct clk_hw *hw) +{ + struct en_clk_gate *cg = container_of(hw, struct en_clk_gate, hw); + + return !!(readl(cg->base + REG_PCI_CONTROL) & REG_PCI_CONTROL_REFCLK_EN1); +} + +static int en7523_pci_enable(struct clk_hw *hw) +{ + struct en_clk_gate *cg = container_of(hw, struct en_clk_gate, hw); + void *np_base = cg->base; + u32 val, mask; + + /* Need to pull device low before reset */ + val = readl(np_base + REG_PCI_CONTROL); + val &= ~(REG_PCI_CONTROL_PERSTOUT1 | REG_PCI_CONTROL_PERSTOUT); + writel(val, np_base + REG_PCI_CONTROL); + usleep_range(1000, 2000); + + /* Enable PCIe port 1 */ + val |= REG_PCI_CONTROL_REFCLK_EN1; + writel(val, np_base + REG_PCI_CONTROL); + usleep_range(1000, 2000); + + /* Reset to default */ + val = readl(np_base + REG_RESET_CONTROL); + mask = REG_RESET_CONTROL_PCIE1 | REG_RESET_CONTROL_PCIE2 | + REG_RESET_CONTROL_PCIEHB; + writel(val & ~mask, np_base + REG_RESET_CONTROL); + usleep_range(1000, 2000); + writel(val | mask, np_base + REG_RESET_CONTROL); + msleep(100); + writel(val & ~mask, np_base + REG_RESET_CONTROL); + usleep_range(5000, 10000); + + /* Release device */ + mask = REG_PCI_CONTROL_PERSTOUT1 | REG_PCI_CONTROL_PERSTOUT; + val = readl(np_base + REG_PCI_CONTROL); + writel(val & ~mask, np_base + REG_PCI_CONTROL); + usleep_range(1000, 2000); + writel(val | mask, np_base + REG_PCI_CONTROL); + msleep(250); + + return 0; +} + +static void en7523_pci_disable(struct clk_hw *hw) +{ + struct en_clk_gate *cg = container_of(hw, struct en_clk_gate, hw); + void *np_base = cg->base; + u32 val; + + val = readl(np_base + REG_PCI_CONTROL); + val &= ~REG_PCI_CONTROL_REFCLK_EN1; + writel(val, np_base + REG_PCI_CONTROL); +} + +static struct clk *en7523_register_pcie_clk(struct device *dev, + void __iomem *np_base) +{ + static const struct clk_ops pcie_gate_ops = { + .is_enabled = en7523_pci_is_enabled, + .enable = en7523_pci_enable, + .disable = en7523_pci_disable, + }; + struct clk_init_data init = { + .name = "pcie", + .ops = &pcie_gate_ops, + }; + struct en_clk_gate *cg; + struct clk *clk; + + cg = devm_kzalloc(dev, sizeof(*cg), GFP_KERNEL); + if (!cg) + return NULL; + + cg->base = np_base; + cg->hw.init = &init; + en7523_pci_disable(&cg->hw); + + clk = clk_register(NULL, &cg->hw); + if (IS_ERR(clk)) + clk = NULL; + + return clk; +} + +static void en7523_register_clocks(struct device *dev, struct clk_onecell_data *clk_data, + void __iomem *base, void __iomem *np_base) +{ + struct clk *clk; + u32 rate; + int i; + + for (i = 0; i < ARRAY_SIZE(en7523_base_clks); i++) { + const struct en_clk_desc *desc = &en7523_base_clks[i]; + + rate = en7523_get_base_rate(base, i); + rate /= en7523_get_div(base, i); + + clk = clk_register_fixed_rate(NULL, desc->name, NULL, 0, rate); + if (IS_ERR(clk)) { + pr_err("Failed to register clk %s: %ld\n", + desc->name, PTR_ERR(clk)); + continue; + } + + clk_data->clks[desc->id] = clk; + } + + clk = en7523_register_pcie_clk(dev, np_base); + clk_data->clks[EN7523_CLK_PCIE] = clk; + + clk_data->clk_num = EN7523_NUM_CLOCKS; +} + +static int en7523_clk_probe(struct platform_device *pdev) +{ + struct device_node *node = pdev->dev.of_node; + struct clk_onecell_data *clk_data; + void __iomem *base, *np_base; + int r; + + base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(base)) + return PTR_ERR(base); + + np_base = devm_platform_ioremap_resource(pdev, 1); + if (IS_ERR(base)) + return PTR_ERR(np_base); + + clk_data = devm_kzalloc(&pdev->dev, sizeof(*clk_data), GFP_KERNEL); + if (!clk_data) + return -ENOMEM; + + clk_data->clks = devm_kcalloc(&pdev->dev, EN7523_NUM_CLOCKS, + sizeof(*clk_data->clks), GFP_KERNEL); + if (!clk_data->clks) + return -ENOMEM; + + en7523_register_clocks(&pdev->dev, clk_data, base, np_base); + + r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); + if (r) + dev_err(&pdev->dev, + "could not register clock provider: %s: %d\n", + pdev->name, r); + + return r; +} + +static struct platform_driver clk_en7523_drv = { + .probe = en7523_clk_probe, + .driver = { + .name = "clk-en7523", + .of_match_table = of_match_clk_en7523, + }, +}; + +static int clk_en7523_init(void) +{ + return platform_driver_register(&clk_en7523_drv); +} + +arch_initcall(clk_en7523_init); From patchwork Mon Nov 29 15:33:24 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Felix Fietkau X-Patchwork-Id: 12693929 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 457A8C433FE for ; Mon, 29 Nov 2021 15:37:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; 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bh=ldLJAPaLyuaEbVb/P7FFe5WR0zhbiWV3eHox1SK3apU=; b=IiiG1cFg1Sx5wf8ERjrDajOkBf qm7LY73LR68rcpRD883MIBOfqTWYhCoboGxqGahn3669hQ4T2jkFEE57KgvHJ+RLLFAUO+fqhQaAg xFuLVIclYKwBTdIDFWwlsP+x1p/yUPcITyrKtKLonf46Y6YMC+vMP39oMG54ZXF43waY=; Received: from p54ae943f.dip0.t-ipconnect.de ([84.174.148.63] helo=localhost.localdomain) by ds12 with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.89) (envelope-from ) id 1mriey-0000mo-Mo; Mon, 29 Nov 2021 16:33:40 +0100 From: Felix Fietkau To: linux-arm-kernel@lists.infradead.org, Ryder Lee , Jianjun Wang , Bjorn Helgaas , Rob Herring , Matthias Brugger Cc: john@phrozen.org, Rob Herring , linux-pci@vger.kernel.org, linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v5 08/13] dt-bindings: PCI: Add support for Airoha EN7532 Date: Mon, 29 Nov 2021 16:33:24 +0100 Message-Id: <20211129153330.37719-9-nbd@nbd.name> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20211129153330.37719-1-nbd@nbd.name> References: <20211129153330.37719-1-nbd@nbd.name> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211129_073347_148262_78FA396B X-CRM114-Status: UNSURE ( 9.45 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: John Crispin EN7532 is an ARM based platform SoC integrating the same PCIe IP as MT7622, add a binding for it. Acked-by: Rob Herring Signed-off-by: John Crispin --- Documentation/devicetree/bindings/pci/mediatek-pcie.txt | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/pci/mediatek-pcie.txt b/Documentation/devicetree/bindings/pci/mediatek-pcie.txt index 57ae73462272..684227522267 100644 --- a/Documentation/devicetree/bindings/pci/mediatek-pcie.txt +++ b/Documentation/devicetree/bindings/pci/mediatek-pcie.txt @@ -7,6 +7,7 @@ Required properties: "mediatek,mt7622-pcie" "mediatek,mt7623-pcie" "mediatek,mt7629-pcie" + "airoha,en7523-pcie" - device_type: Must be "pci" - reg: Base addresses and lengths of the root ports. - reg-names: Names of the above areas to use during resource lookup. From patchwork Mon Nov 29 15:33:25 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Felix Fietkau X-Patchwork-Id: 12693930 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 4859CC433F5 for ; Mon, 29 Nov 2021 15:38:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; 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bh=/k6j6wHaioGkrZLjGu4ey+Q0rMQZQIVRikhhuIY/xoM=; b=nQcX1IPYhxYVuYI9j5GXH3q6No S10obuLHJLyDDR0brN9H4F1g2D7OEn3vlN9kLfEJJHkjL2v8VqpvkpgIS0OmItDHXIhFilkXAlLiX OMs83gt4vndRv7f8hgCb8Rt1ppMHjRz3fkUTcKzOnaQhtEUGW/iN1hUzYQycIY+8L9wQ=; Received: from p54ae943f.dip0.t-ipconnect.de ([84.174.148.63] helo=localhost.localdomain) by ds12 with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.89) (envelope-from ) id 1mriez-0000mo-FJ; Mon, 29 Nov 2021 16:33:41 +0100 From: Felix Fietkau To: linux-arm-kernel@lists.infradead.org, Lorenzo Pieralisi , Rob Herring , =?utf-8?q?Krzysztof_Wilczy=C5=84ski?= , Bjorn Helgaas , Matthias Brugger Cc: john@phrozen.org, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org Subject: [PATCH v5 09/13] PCI: mediatek: allow selecting controller driver for airoha arch Date: Mon, 29 Nov 2021 16:33:25 +0100 Message-Id: <20211129153330.37719-10-nbd@nbd.name> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20211129153330.37719-1-nbd@nbd.name> References: <20211129153330.37719-1-nbd@nbd.name> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211129_073349_498662_C10D96C7 X-CRM114-Status: GOOD ( 11.12 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The EN7523 SoC uses the same controller as MT7622 Signed-off-by: Felix Fietkau --- drivers/pci/controller/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pci/controller/Kconfig b/drivers/pci/controller/Kconfig index 93b141110537..f1342059c2a3 100644 --- a/drivers/pci/controller/Kconfig +++ b/drivers/pci/controller/Kconfig @@ -233,7 +233,7 @@ config PCIE_ROCKCHIP_EP config PCIE_MEDIATEK tristate "MediaTek PCIe controller" - depends on ARCH_MEDIATEK || COMPILE_TEST + depends on ARCH_AIROHA || ARCH_MEDIATEK || COMPILE_TEST depends on OF depends on PCI_MSI_IRQ_DOMAIN help From patchwork Mon Nov 29 15:33:26 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Felix Fietkau X-Patchwork-Id: 12693933 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A460FC433EF for ; Mon, 29 Nov 2021 15:56:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=FxkBWu4uWbq/K9cfLrsw6r/wNtTsJCxW3KbaxzVJFzw=; 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bh=ZJSBpFdj1oEKhmlkmpUI0uYMYH0kurbkS/vAGZiLCBY=; b=Uf4BM129iOigTJAPncAzFOTavP tRw4WS6kcBSVvJqG1YQOnKp0KITqnrrxlORzbx1Lk26cjQm682afvwVDBSi3MG22QHB/NiQC1xcpc M4E7smBv/+hfh+HBLCV1FHz3OydQ7jI6cwEVwUdIjjOF/hyb1yfRiMT4439uDIQQrgvQ=; Received: from p54ae943f.dip0.t-ipconnect.de ([84.174.148.63] helo=localhost.localdomain) by ds12 with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.89) (envelope-from ) id 1mrif0-0000mo-Bb; Mon, 29 Nov 2021 16:33:42 +0100 From: Felix Fietkau To: linux-arm-kernel@lists.infradead.org, Rob Herring , Matthias Brugger Cc: john@phrozen.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org Subject: [PATCH v5 10/13] ARM: dts: Add PCIe support for Airoha EN7523 Date: Mon, 29 Nov 2021 16:33:26 +0100 Message-Id: <20211129153330.37719-11-nbd@nbd.name> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20211129153330.37719-1-nbd@nbd.name> References: <20211129153330.37719-1-nbd@nbd.name> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211129_075423_876685_8C707B23 X-CRM114-Status: GOOD ( 12.05 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org This uses the MediaTek MT7622 PCIe driver, since the PCIe IP block is nearly identical to the one in MT7622 Signed-off-by: Felix Fietkau --- arch/arm/boot/dts/en7523-evb.dts | 8 +++++ arch/arm/boot/dts/en7523.dtsi | 60 ++++++++++++++++++++++++++++++++ 2 files changed, 68 insertions(+) diff --git a/arch/arm/boot/dts/en7523-evb.dts b/arch/arm/boot/dts/en7523-evb.dts index 69754ef9a628..0a79f5f6c311 100644 --- a/arch/arm/boot/dts/en7523-evb.dts +++ b/arch/arm/boot/dts/en7523-evb.dts @@ -25,3 +25,11 @@ memory@80000000 { reg = <0x80000000 0x20000000>; }; }; + +&pcie0 { + status = "okay"; +}; + +&pcie1 { + status = "okay"; +}; diff --git a/arch/arm/boot/dts/en7523.dtsi b/arch/arm/boot/dts/en7523.dtsi index 0148958c607b..862da104d6f2 100644 --- a/arch/arm/boot/dts/en7523.dtsi +++ b/arch/arm/boot/dts/en7523.dtsi @@ -119,4 +119,64 @@ uart1: serial@1fbf0000 { clock-frequency = <1843200>; status = "okay"; }; + + + pcie0: pcie@1fa91000 { + compatible = "airoha,en7523-pcie", "mediatek,mt7622-pcie"; + device_type = "pci"; + reg = <0x1fa91000 0x1000>; + reg-names = "port0"; + linux,pci-domain = <0>; + #address-cells = <3>; + #size-cells = <2>; + interrupts = ; + interrupt-names = "pcie_irq"; + clocks = <&scu EN7523_CLK_PCIE>; + clock-names = "sys_ck0"; + bus-range = <0x00 0xff>; + ranges = <0x82000000 0 0x20000000 0x20000000 0 0x8000000>; + status = "disabled"; + + #interrupt-cells = <1>; + interrupt-map-mask = <0 0 0 7>; + interrupt-map = <0 0 0 1 &pcie_intc0 0>, + <0 0 0 2 &pcie_intc0 1>, + <0 0 0 3 &pcie_intc0 2>, + <0 0 0 4 &pcie_intc0 3>; + pcie_intc0: interrupt-controller { + interrupt-controller; + #address-cells = <0>; + #interrupt-cells = <1>; + }; + }; + + pcie1: pcie@1fa92000 { + compatible = "airoha,en7523-pcie", "mediatek,mt7622-pcie"; + device_type = "pci"; + reg = <0x1fa92000 0x1000>; + reg-names = "port1"; + linux,pci-domain = <1>; + #address-cells = <3>; + #size-cells = <2>; + interrupts = ; + interrupt-names = "pcie_irq"; + clocks = <&scu EN7523_CLK_PCIE>; + clock-names = "sys_ck1"; + bus-range = <0x00 0xff>; + ranges = <0x82000000 0 0x28000000 0x28000000 0 0x8000000>; + status = "disabled"; + + #interrupt-cells = <1>; + interrupt-map-mask = <0 0 0 7>; + interrupt-map = <0 0 0 1 &pcie_intc1 0>, + <0 0 0 2 &pcie_intc1 1>, + <0 0 0 3 &pcie_intc1 2>, + <0 0 0 4 &pcie_intc1 3>; + pcie_intc1: interrupt-controller { + interrupt-controller; + #address-cells = <0>; + #interrupt-cells = <1>; + }; + }; + }; From patchwork Mon Nov 29 15:33:27 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Felix Fietkau X-Patchwork-Id: 12693931 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id D67F5C433F5 for ; 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Mon, 29 Nov 2021 16:33:43 +0100 From: Felix Fietkau To: linux-arm-kernel@lists.infradead.org, Linus Walleij , Bartosz Golaszewski , Rob Herring , John Crispin Cc: linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v5 11/13] dt-bindings: arm: airoha: Add binding for Airoha GPIO controller Date: Mon, 29 Nov 2021 16:33:27 +0100 Message-Id: <20211129153330.37719-12-nbd@nbd.name> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20211129153330.37719-1-nbd@nbd.name> References: <20211129153330.37719-1-nbd@nbd.name> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211129_075426_956462_B7F2A7F4 X-CRM114-Status: GOOD ( 13.73 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: John Crispin Airoha's GPIO controller on their ARM EN7523 SoCs consists of two banks of 32 GPIOs Reviewed-by: Linus Walleij Signed-off-by: John Crispin Signed-off-by: Felix Fietkau --- .../bindings/gpio/airoha,en7523-gpio.yaml | 67 +++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpio/airoha,en7523-gpio.yaml diff --git a/Documentation/devicetree/bindings/gpio/airoha,en7523-gpio.yaml b/Documentation/devicetree/bindings/gpio/airoha,en7523-gpio.yaml new file mode 100644 index 000000000000..66c00ec85731 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/airoha,en7523-gpio.yaml @@ -0,0 +1,67 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/airoha,en7523-gpio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Airoha EN7523 GPIO controller + +maintainers: + - John Crispin + +description: | + Airoha's GPIO controller on their ARM EN7523 SoCs consists of two banks of 32 + GPIOs. + +properties: + $nodename: + pattern: "^gpio@[0-9a-f]+$" + + compatible: + items: + - const: airoha,en7523-gpio + + reg: + description: | + The first tuple points to the input register. + The second and third tuple point to the direction registers + The fourth tuple points to the output register + maxItems: 4 + + "#gpio-cells": + const: 2 + + gpio-controller: true + +required: + - compatible + - reg + - "#gpio-cells" + - gpio-controller + +additionalProperties: false + +examples: + - | + gpio0: gpio@1fbf0200 { + compatible = "airoha,en7523-gpio"; + reg = <0x1fbf0204 0x4>, + <0x1fbf0200 0x4>, + <0x1fbf0220 0x4>, + <0x1fbf0214 0x4>; + gpio-controller; + #gpio-cells = <2>; + }; + + gpio1: gpio@1fbf0270 { + compatible = "airoha,en7523-gpio"; + reg = <0x1fbf0270 0x4>, + <0x1fbf0260 0x4>, + <0x1fbf0264 0x4>, + <0x1fbf0278 0x4>; + gpio-controller; + #gpio-cells = <2>; + }; + + +... From patchwork Mon Nov 29 15:33:28 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Felix Fietkau X-Patchwork-Id: 12693934 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B453EC433FE for ; Mon, 29 Nov 2021 15:56:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=HecQHnw6cFplQPgy/b/Fj/CB1Fdyx2whY026O/DsdIg=; b=e0xnQWh8VF+3Ro BMCrRiZ5onDrQwdsHwZzpV+amrEv+T0gSOObx3lCjdDDHIN168T+kaPUGWbZ5D252lox7WKnMT6GL sqfgdLBkgMTIIW0AsLvbFAgNzFwWTphlRfoJqIBqAADAo6qLZZO5mtaWeZrnAS5laugWqzOdej5d4 a9hq1biFUueQmj+mjOOBoz8xf6nLw70/pkDTuEP6mb8ccrX5QpXQrJpzztf2etLghI7jagVkt9Arc kKpcqey4Ivj24BDc6e+O+LBLl4jfFa4asxVN2cDsciAUSev4FWALX/wlsG9UsEgSF+hxBBdMpGZTB lEw4PKwOzB46gLyW9u4w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mrizS-001Lgx-A7; Mon, 29 Nov 2021 15:54:50 +0000 Received: from nbd.name ([2a01:4f8:221:3d45::2]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mrizA-001LcV-Dm for linux-arm-kernel@lists.infradead.org; Mon, 29 Nov 2021 15:54:34 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=nbd.name; s=20160729; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=knlRrYUBkPe39tm51Oh6qslnOHmqmeYnSZIGVbAmb/c=; b=HpuQOU2lrXa/XbduK8FPxaGk4V r2adhVRITurTyvn9aW1icd7lBMuiiobxNfnaVjd6FWoqcElSJOKMQe9DdiT8V0dyxBaSvQsrZuJY8 244VzZlvBzg8sbgW8liyp5Bk3G4OjC9JqLS0wYh6eWkWgXY4j4ztHNm/K/Qo9JxMb++I=; Received: from p54ae943f.dip0.t-ipconnect.de ([84.174.148.63] helo=localhost.localdomain) by ds12 with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.89) (envelope-from ) id 1mrif2-0000mo-Ff; Mon, 29 Nov 2021 16:33:44 +0100 From: Felix Fietkau To: linux-arm-kernel@lists.infradead.org, Linus Walleij , Bartosz Golaszewski Cc: john@phrozen.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org Subject: [PATCH v5 12/13] gpio: Add support for Airoha EN7523 GPIO controller Date: Mon, 29 Nov 2021 16:33:28 +0100 Message-Id: <20211129153330.37719-13-nbd@nbd.name> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20211129153330.37719-1-nbd@nbd.name> References: <20211129153330.37719-1-nbd@nbd.name> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211129_075432_673450_DA433722 X-CRM114-Status: GOOD ( 21.86 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: John Crispin Airoha's GPIO controller on their ARM EN7523 SoCs consists of two banks of 32 GPIOs. Each instance in DT is for an single bank. Signed-off-by: John Crispin Signed-off-by: Felix Fietkau Reviewed-by: Linus Walleij --- drivers/gpio/Kconfig | 9 +++ drivers/gpio/Makefile | 1 + drivers/gpio/gpio-en7523.c | 136 +++++++++++++++++++++++++++++++++++++ 3 files changed, 146 insertions(+) create mode 100644 drivers/gpio/gpio-en7523.c diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index 072ed610f9c6..e4a34272504f 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -247,6 +247,15 @@ config GPIO_EM help Say yes here to support GPIO on Renesas Emma Mobile SoCs. +config GPIO_EN7523 + tristate "Airoha GPIO support" + depends on ARCH_AIROHA + default ARCH_AIROHA + select GPIO_GENERIC + select GPIOLIB_IRQCHIP + help + Say yes here to support the GPIO controller on Airoha EN7523. + config GPIO_EP93XX def_bool y depends on ARCH_EP93XX diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile index 71ee9fc2ff83..d2269ee0948e 100644 --- a/drivers/gpio/Makefile +++ b/drivers/gpio/Makefile @@ -56,6 +56,7 @@ obj-$(CONFIG_GPIO_DLN2) += gpio-dln2.o obj-$(CONFIG_GPIO_DWAPB) += gpio-dwapb.o obj-$(CONFIG_GPIO_EIC_SPRD) += gpio-eic-sprd.o obj-$(CONFIG_GPIO_EM) += gpio-em.o +obj-$(CONFIG_GPIO_EN7523) += gpio-en7523.o obj-$(CONFIG_GPIO_EP93XX) += gpio-ep93xx.o obj-$(CONFIG_GPIO_EXAR) += gpio-exar.o obj-$(CONFIG_GPIO_F7188X) += gpio-f7188x.o diff --git a/drivers/gpio/gpio-en7523.c b/drivers/gpio/gpio-en7523.c new file mode 100644 index 000000000000..0032f99e366d --- /dev/null +++ b/drivers/gpio/gpio-en7523.c @@ -0,0 +1,136 @@ +// SPDX-License-Identifier: GPL-2.0-only + +#include +#include +#include +#include +#include + +#define AIROHA_GPIO_MAX 32 + +/** + * airoha_gpio_ctrl - Airoha GPIO driver data + * + * @gc: Associated gpio_chip instance. + * @data: The data register. + * @dir0: The direction register for the lower 16 pins. + * @dir1: The direction register for the higher 16 pins. + * @output: The output enable register. + */ +struct airoha_gpio_ctrl { + struct gpio_chip gc; + void __iomem *data; + void __iomem *dir[2]; + void __iomem *output; +}; + +static struct airoha_gpio_ctrl *gc_to_ctrl(struct gpio_chip *gc) +{ + return container_of(gc, struct airoha_gpio_ctrl, gc); +} + +static int airoha_dir_set(struct gpio_chip *gc, unsigned int gpio, + int val, int out) +{ + struct airoha_gpio_ctrl *ctrl = gc_to_ctrl(gc); + u32 dir = ioread32(ctrl->dir[gpio / 16]); + u32 output = ioread32(ctrl->output); + u32 mask = BIT((gpio % 16) * 2); + + if (out) { + dir |= mask; + output |= BIT(gpio); + } else { + dir &= ~mask; + output &= ~BIT(gpio); + } + + iowrite32(dir, ctrl->dir[gpio / 16]); + iowrite32(output, ctrl->output); + + if (out) + gc->set(gc, gpio, val); + + return 0; +} + +static int airoha_dir_out(struct gpio_chip *gc, unsigned int gpio, + int val) +{ + return airoha_dir_set(gc, gpio, val, 1); +} + +static int airoha_dir_in(struct gpio_chip *gc, unsigned int gpio) +{ + return airoha_dir_set(gc, gpio, 0, 0); +} + +static int airoha_get_dir(struct gpio_chip *gc, unsigned int gpio) +{ + struct airoha_gpio_ctrl *ctrl = gc_to_ctrl(gc); + u32 dir = ioread32(ctrl->dir[gpio / 16]); + u32 mask = BIT((gpio % 16) * 2); + + return dir & mask; +} + +static const struct of_device_id airoha_gpio_of_match[] = { + { .compatible = "airoha,en7523-gpio" }, + { } +}; +MODULE_DEVICE_TABLE(of, airoha_gpio_of_match); + +static int airoha_gpio_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct airoha_gpio_ctrl *ctrl; + int err; + + ctrl = devm_kzalloc(dev, sizeof(*ctrl), GFP_KERNEL); + if (!ctrl) + return -ENOMEM; + + ctrl->data = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(ctrl->data)) + return PTR_ERR(ctrl->data); + + ctrl->dir[0] = devm_platform_ioremap_resource(pdev, 1); + if (IS_ERR(ctrl->dir[0])) + return PTR_ERR(ctrl->dir[0]); + + ctrl->dir[1] = devm_platform_ioremap_resource(pdev, 2); + if (IS_ERR(ctrl->dir[1])) + return PTR_ERR(ctrl->dir[1]); + + ctrl->output = devm_platform_ioremap_resource(pdev, 3); + if (IS_ERR(ctrl->output)) + return PTR_ERR(ctrl->output); + + err = bgpio_init(&ctrl->gc, dev, 4, ctrl->data, NULL, + NULL, NULL, NULL, 0); + if (err) { + dev_err(dev, "unable to init generic GPIO"); + return err; + } + + ctrl->gc.ngpio = AIROHA_GPIO_MAX; + ctrl->gc.owner = THIS_MODULE; + ctrl->gc.direction_output = airoha_dir_out; + ctrl->gc.direction_input = airoha_dir_in; + ctrl->gc.get_direction = airoha_get_dir; + + return devm_gpiochip_add_data(dev, &ctrl->gc, ctrl); +} + +static struct platform_driver airoha_gpio_driver = { + .driver = { + .name = "airoha-gpio", + .of_match_table = airoha_gpio_of_match, + }, + .probe = airoha_gpio_probe, +}; +module_platform_driver(airoha_gpio_driver); + +MODULE_DESCRIPTION("Airoha GPIO support"); +MODULE_AUTHOR("John Crispin "); +MODULE_LICENSE("GPL v2"); From patchwork Mon Nov 29 15:33:29 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Felix Fietkau X-Patchwork-Id: 12693932 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B49C7C433FE for ; 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Mon, 29 Nov 2021 16:33:45 +0100 From: Felix Fietkau To: linux-arm-kernel@lists.infradead.org, Rob Herring Cc: john@phrozen.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v5 13/13] ARM: dts: add GPIO support for Airoha EN7523 Date: Mon, 29 Nov 2021 16:33:29 +0100 Message-Id: <20211129153330.37719-14-nbd@nbd.name> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20211129153330.37719-1-nbd@nbd.name> References: <20211129153330.37719-1-nbd@nbd.name> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211129_075413_815290_7A5C4894 X-CRM114-Status: GOOD ( 11.70 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: John Crispin Airoha's GPIO controller on their ARM EN7523 SoCs consists of two banks of 32 GPIOs Signed-off-by: John Crispin Signed-off-by: Felix Fietkau --- arch/arm/boot/dts/en7523-evb.dts | 8 ++++++++ arch/arm/boot/dts/en7523.dtsi | 20 ++++++++++++++++++++ 2 files changed, 28 insertions(+) diff --git a/arch/arm/boot/dts/en7523-evb.dts b/arch/arm/boot/dts/en7523-evb.dts index 0a79f5f6c311..cd9cded5b564 100644 --- a/arch/arm/boot/dts/en7523-evb.dts +++ b/arch/arm/boot/dts/en7523-evb.dts @@ -33,3 +33,11 @@ &pcie0 { &pcie1 { status = "okay"; }; + +&gpio0 { + status = "okay"; +}; + +&gpio1 { + status = "okay"; +}; diff --git a/arch/arm/boot/dts/en7523.dtsi b/arch/arm/boot/dts/en7523.dtsi index 862da104d6f2..d9cc5a1b83b8 100644 --- a/arch/arm/boot/dts/en7523.dtsi +++ b/arch/arm/boot/dts/en7523.dtsi @@ -3,6 +3,7 @@ #include #include #include +#include / { interrupt-parent = <&gic>; @@ -120,6 +121,25 @@ uart1: serial@1fbf0000 { status = "okay"; }; + gpio0: gpio@1fbf0200 { + compatible = "airoha,en7523-gpio"; + reg = <0x1fbf0204 0x4>, + <0x1fbf0200 0x4>, + <0x1fbf0220 0x4>, + <0x1fbf0214 0x4>; + gpio-controller; + #gpio-cells = <2>; + }; + + gpio1: gpio@1fbf0270 { + compatible = "airoha,en7523-gpio"; + reg = <0x1fbf0270 0x4>, + <0x1fbf0260 0x4>, + <0x1fbf0264 0x4>, + <0x1fbf0278 0x4>; + gpio-controller; + #gpio-cells = <2>; + }; pcie0: pcie@1fa91000 { compatible = "airoha,en7523-pcie", "mediatek,mt7622-pcie";