From patchwork Thu Feb 17 19:11:03 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robin Murphy X-Patchwork-Id: 12750571 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 70E15C433EF for ; Thu, 17 Feb 2022 19:12:32 +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: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:In-Reply-To:References: List-Owner; bh=sM0wroc1j0T75LahSdnJP6VWjnjONHaWEq3sTO6f+cU=; b=VpwRBER5tbsMDr 7UVPn2+3sW10JuMFuRMSsui3kRAmAweXdMza9ts1Xyjl65THf6D5KhkgZsL2IysIc5UTKX3OjFzA/ RWgZ6InyNKmQiE6EoL5MLJ1oUnzJkRgei/jV/Vilj5Kz9g+posT1bchJLKemnAB94vw8kWqmGwwrQ upfcvxwsjh8kzsSYgPizk2tCKL8KOiF9PMuU9NCLrFpe6+NLWOnEMkkMWtmeKWet+ildENayIKp45 FwAvrBGQWDjzYuDL/DiaGQ/F9kvdzBTgorx/NKiXh5MH91Tv4cUXfMPrGnHO5tVrfEUllA2DCSpFm obfj/Xl5nmJnplFw6Sdw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nKmBO-00Bqf6-CG; Thu, 17 Feb 2022 19:11:14 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nKmBK-00BqeL-Kt for linux-arm-kernel@lists.infradead.org; Thu, 17 Feb 2022 19:11:12 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 43222113E; Thu, 17 Feb 2022 11:11:07 -0800 (PST) Received: from e121345-lin.cambridge.arm.com (e121345-lin.cambridge.arm.com [10.1.196.40]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 901AE3F70D; Thu, 17 Feb 2022 11:11:06 -0800 (PST) From: Robin Murphy To: lorenzo.pieralisi@arm.com, sudeep.holla@arm.com, liviu.dudau@arm.com Cc: linux-arm-kernel@lists.infradead.org Subject: [PATCH] arm64: dts: juno: Add separate SCMI variants Date: Thu, 17 Feb 2022 19:11:03 +0000 Message-Id: X-Mailer: git-send-email 2.28.0.dirty MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220217_111110_819374_4E9887FC X-CRM114-Status: GOOD ( 13.31 ) 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 While Juno's SCP firmware initially spoke the SCPI protocol, binary releases since 2018, and the newer open-source codebase, only speak SCMI and thus aren't particularly compatibile with the DTs we currently have upstream. Add a parallel set of variant DTs for boards with up-to-date firmware, replacing the SCPI parts with their new SCMI equivalents. Signed-off-by: Robin Murphy --- arch/arm64/boot/dts/arm/Makefile | 2 +- arch/arm64/boot/dts/arm/juno-r1-scmi.dts | 23 +++ arch/arm64/boot/dts/arm/juno-r2-scmi.dts | 23 +++ arch/arm64/boot/dts/arm/juno-scmi.dts | 9 + arch/arm64/boot/dts/arm/juno-scmi.dtsi | 199 +++++++++++++++++++++++ 5 files changed, 255 insertions(+), 1 deletion(-) create mode 100644 arch/arm64/boot/dts/arm/juno-r1-scmi.dts create mode 100644 arch/arm64/boot/dts/arm/juno-r2-scmi.dts create mode 100644 arch/arm64/boot/dts/arm/juno-scmi.dts create mode 100644 arch/arm64/boot/dts/arm/juno-scmi.dtsi diff --git a/arch/arm64/boot/dts/arm/Makefile b/arch/arm64/boot/dts/arm/Makefile index 800da2e84f3f..4382b73baef5 100644 --- a/arch/arm64/boot/dts/arm/Makefile +++ b/arch/arm64/boot/dts/arm/Makefile @@ -2,7 +2,7 @@ dtb-$(CONFIG_ARCH_VEXPRESS) += \ foundation-v8.dtb foundation-v8-psci.dtb \ foundation-v8-gicv3.dtb foundation-v8-gicv3-psci.dtb -dtb-$(CONFIG_ARCH_VEXPRESS) += juno.dtb juno-r1.dtb juno-r2.dtb +dtb-$(CONFIG_ARCH_VEXPRESS) += juno.dtb juno-r1.dtb juno-r2.dtb juno-scmi.dtb juno-r1-scmi.dtb juno-r2-scmi.dtb dtb-$(CONFIG_ARCH_VEXPRESS) += rtsm_ve-aemv8a.dtb dtb-$(CONFIG_ARCH_VEXPRESS) += vexpress-v2f-1xv7-ca53x2.dtb dtb-$(CONFIG_ARCH_VEXPRESS) += fvp-base-revc.dtb diff --git a/arch/arm64/boot/dts/arm/juno-r1-scmi.dts b/arch/arm64/boot/dts/arm/juno-r1-scmi.dts new file mode 100644 index 000000000000..190a0fba4ad6 --- /dev/null +++ b/arch/arm64/boot/dts/arm/juno-r1-scmi.dts @@ -0,0 +1,23 @@ +#include "juno-r1.dts" +#include "juno-scmi.dtsi" + +/ { + funnel@20130000 { + power-domains = <&scmi_devpd 8>; + }; + + etf@20140000 { + power-domains = <&scmi_devpd 0>; + }; + + funnel@20150000 { + power-domains = <&scmi_devpd 0>; + }; +}; + +&A57_0 { + clocks = <&scmi_dvfs 0>; +}; +&A57_1 { + clocks = <&scmi_dvfs 0>; +}; diff --git a/arch/arm64/boot/dts/arm/juno-r2-scmi.dts b/arch/arm64/boot/dts/arm/juno-r2-scmi.dts new file mode 100644 index 000000000000..dbf13770084f --- /dev/null +++ b/arch/arm64/boot/dts/arm/juno-r2-scmi.dts @@ -0,0 +1,23 @@ +#include "juno-r2.dts" +#include "juno-scmi.dtsi" + +/ { + funnel@20130000 { + power-domains = <&scmi_devpd 8>; + }; + + etf@20140000 { + power-domains = <&scmi_devpd 0>; + }; + + funnel@20150000 { + power-domains = <&scmi_devpd 0>; + }; +}; + +&A72_0 { + clocks = <&scmi_dvfs 0>; +}; +&A72_1 { + clocks = <&scmi_dvfs 0>; +}; diff --git a/arch/arm64/boot/dts/arm/juno-scmi.dts b/arch/arm64/boot/dts/arm/juno-scmi.dts new file mode 100644 index 000000000000..41588fa46d31 --- /dev/null +++ b/arch/arm64/boot/dts/arm/juno-scmi.dts @@ -0,0 +1,9 @@ +#include "juno.dts" +#include "juno-scmi.dtsi" + +&A57_0 { + clocks = <&scmi_dvfs 0>; +}; +&A57_1 { + clocks = <&scmi_dvfs 0>; +}; diff --git a/arch/arm64/boot/dts/arm/juno-scmi.dtsi b/arch/arm64/boot/dts/arm/juno-scmi.dtsi new file mode 100644 index 000000000000..d72dcff9bf06 --- /dev/null +++ b/arch/arm64/boot/dts/arm/juno-scmi.dtsi @@ -0,0 +1,199 @@ +/ { + etf@20010000 { + power-domains = <&scmi_devpd 8>; + }; + + tpiu@20030000 { + power-domains = <&scmi_devpd 8>; + }; + + funnel@20040000 { + power-domains = <&scmi_devpd 8>; + }; + + etr@20070000 { + power-domains = <&scmi_devpd 8>; + }; + + stm@20100000 { + power-domains = <&scmi_devpd 8>; + }; + + replicator@20120000 { + power-domains = <&scmi_devpd 8>; + }; + + funnel@220c0000 { + power-domains = <&scmi_devpd 8>; + }; + + funnel@230c0000 { + power-domains = <&scmi_devpd 8>; + }; + + hdlcd@7ff50000 { + clocks = <&scmi_clk 3>; + }; + + hdlcd@7ff60000 { + clocks = <&scmi_clk 3>; + }; + + /delete-node/ scpi; + + firmware { + scmi { + compatible = "arm,scmi"; + mbox-names = "tx", "rx"; + mboxes = <&mailbox 0 0 &mailbox 0 1>; + shmem = <&cpu_scp_lpri0 &cpu_scp_lpri1>; + #address-cells = <1>; + #size-cells = <0>; + + scmi_devpd: protocol@11 { + reg = <0x11>; + #power-domain-cells = <1>; + }; + + scmi_dvfs: protocol@13 { + reg = <0x13>; + #clock-cells = <1>; + mbox-names = "tx", "rx"; + mboxes = <&mailbox 1 0 &mailbox 1 1>; + shmem = <&cpu_scp_hpri0 &cpu_scp_hpri1>; + }; + + scmi_clk: protocol@14 { + reg = <0x14>; + #clock-cells = <1>; + }; + + scmi_sensors0: protocol@15 { + reg = <0x15>; + #thermal-sensor-cells = <1>; + }; + }; + }; + + thermal-zones { + pmic { + thermal-sensors = <&scmi_sensors0 0>; + }; + + soc { + thermal-sensors = <&scmi_sensors0 3>; + }; + + big-cluster { + thermal-sensors = <&scmi_sensors0 21>; + }; + + little-cluster { + thermal-sensors = <&scmi_sensors0 22>; + }; + + gpu0 { + thermal-sensors = <&scmi_sensors0 23>; + }; + + gpu1 { + thermal-sensors = <&scmi_sensors0 24>; + }; + }; + +}; + +&A53_0 { + clocks = <&scmi_dvfs 1>; +}; +&A53_1 { + clocks = <&scmi_dvfs 1>; +}; +&A53_2 { + clocks = <&scmi_dvfs 1>; +}; +&A53_3 { + clocks = <&scmi_dvfs 1>; +}; + +&cpu_debug0 { + power-domains = <&scmi_devpd 8>; +}; +&cpu_debug1 { + power-domains = <&scmi_devpd 8>; +}; +&cpu_debug2 { + power-domains = <&scmi_devpd 8>; +}; +&cpu_debug3 { + power-domains = <&scmi_devpd 8>; +}; +&cpu_debug4 { + power-domains = <&scmi_devpd 8>; +}; +&cpu_debug5 { + power-domains = <&scmi_devpd 8>; +}; + +&etm0 { + power-domains = <&scmi_devpd 8>; +}; +&etm1 { + power-domains = <&scmi_devpd 8>; +}; +&etm2 { + power-domains = <&scmi_devpd 8>; +}; +&etm3 { + power-domains = <&scmi_devpd 8>; +}; +&etm4 { + power-domains = <&scmi_devpd 8>; +}; +&etm5 { + power-domains = <&scmi_devpd 8>; +}; + +&gpu { + clocks = <&scmi_dvfs 2>; + power-domains = <&scmi_devpd 9>; +}; + +&mailbox { + compatible = "arm,mhu-doorbell", "arm,primecell"; + #mbox-cells = <2>; + mbox-name = "ARM-MHU"; +}; + +&smmu_etr { + power-domains = <&scmi_devpd 8>; +}; + +&smmu_gpu { + power-domains = <&scmi_devpd 9>; +}; + +&sram { + /delete-node/ scp-sram@0; + /delete-node/ scp-sram@200; + + cpu_scp_lpri0: scp-sram@0 { + compatible = "arm,scmi-shmem"; + reg = <0x0 0x80>; + }; + + cpu_scp_lpri1: scp-sram@80 { + compatible = "arm,scmi-shmem"; + reg = <0x80 0x80>; + }; + + cpu_scp_hpri0: scp-sram@100 { + compatible = "arm,scmi-shmem"; + reg = <0x100 0x80>; + }; + + cpu_scp_hpri1: scp-sram@180 { + compatible = "arm,scmi-shmem"; + reg = <0x180 0x80>; + }; +};