From patchwork Sun Apr 23 12:39:12 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stanislav Jakubek X-Patchwork-Id: 13221313 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 36DFAC77B60 for ; Sun, 23 Apr 2023 12:40:07 +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:Message-ID:Subject:Cc:To: From:Date: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=6QnVB99996L5M2jvQEvKUPfgkNlUqo7j+bpOR9AJaqo=; b=lf3swzpGUuph3Y 27YxXu5z/uVgC9RLUNO7egUnmjm+5YKl5PtNsansG1wJfOkyehqqsJ84VuRkV4VOjY1ce399V6vTm 7/X+aO4OGmfV5X1+Cb9LlcpahW0c5oPD6ZAfzQTr6ypqvNq419ReZ9f7n1SPUrDHyQYsB7lANvG6S l6ih8R9ZfsmrpS9e+dv7uSGxRtNYjD6jyMe7wDkw2tZNkPLVuVWWOpXBJP1FwyflOSYfmvBgNIGBR DD8Hk5amBar8sXyquA9BFh8eIK3AZGAEWFZcG0KDGN0rHvbDhk7qRyhIYMljxAn2XR9mcwtdtlgHc LMbXoqNRW3eNSFTB3WXg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pqYzu-00EIz8-1y; Sun, 23 Apr 2023 12:39:18 +0000 Received: from mail-wm1-x336.google.com ([2a00:1450:4864:20::336]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pqYzs-00EIyU-37 for linux-arm-kernel@lists.infradead.org; Sun, 23 Apr 2023 12:39:18 +0000 Received: by mail-wm1-x336.google.com with SMTP id 5b1f17b1804b1-3f1763ee8f8so22439475e9.1 for ; Sun, 23 Apr 2023 05:39:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1682253554; x=1684845554; h=content-disposition:mime-version:message-id:subject:cc:to:from:date :from:to:cc:subject:date:message-id:reply-to; bh=BeqKCC7uf5DiAni7uVUYCtTkzdp3ZvJDjEiLgnmAtxI=; b=svhlXU/RGgLcijkj+oBP0kZRxHo6C9vOKYp0BCFqaB9D8oObxbSLxaCEt1BDg2PtIn G4U8wnUjofQnvC87AyMHmnsvUiOavgKXJQo6xPrHX/0Lf0iaa+QIwvoVdSg0ADPFGqie ZNzKX17/brDR58OF7vLkcsqRipgrbSPZCVS7zkFmyqN/wEWdHOt7fXUv0+ismF5OY5Pp DTN7Vj0S+taREB9JLg8UGYwD5tBlEXgDkDMrdAqO0LGeEihoA+PTREXL9deQJqzsijjj Se9MHh7vrmpeTFnFG92SNSwc7MZtaF9OcxNX5keH3PdMgpdpfDJa1vVvLobxOalbBNvm xyGg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1682253554; x=1684845554; h=content-disposition:mime-version:message-id:subject:cc:to:from:date :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=BeqKCC7uf5DiAni7uVUYCtTkzdp3ZvJDjEiLgnmAtxI=; b=XDwwKEy4X40SX5+VDcofJS5hd8ol9eSlQdQG3ZG3ZZuA2Z+XMBq7+Aq4xcQffKVI1/ IipFrGVIAOjT+NYBNT46orzWkawzL3smuXv4J9rURiRF+fyKI3/h8+bsMfMXZdDzwXiV QDOqO4YfHcwhVqIePuHfNO63UNW60kAXo3gcvaH7P7c2AjydHvuRKUeXUS5GIpKsF8LL odhVFMlakuOI4L0FrjPAG1k3z4uwHJkdMZZ1ZAUt+ts9SERIh+fTTUUQpky0R/8wCms6 0N+lPmiWDDHPqn7enW8DgZ+eULq1vREYy4yFF1mqlWoVdah08QuCQVuTPrBB8uSQjo5I K9fg== X-Gm-Message-State: AAQBX9cmFYMCZDELMaP/8eGio/0Jkk9WFdfi3kxYxWRFtAl5WVJ8rb5N 6zrfLqhAzZNy0+6+J51YRRg= X-Google-Smtp-Source: AKy350ZwDjFRhnNGLWmg7d5IHRZezUWe1gKwK3plZAKzydSJRm31G6A2J5GelTjXEx5804auUVaFVQ== X-Received: by 2002:a7b:c848:0:b0:3f1:727d:77a6 with SMTP id c8-20020a7bc848000000b003f1727d77a6mr5981843wml.3.1682253554256; Sun, 23 Apr 2023 05:39:14 -0700 (PDT) Received: from standask-GA-A55M-S2HP ([188.123.113.247]) by smtp.gmail.com with ESMTPSA id p5-20020a05600c468500b003f18141a016sm12412408wmo.18.2023.04.23.05.39.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 23 Apr 2023 05:39:14 -0700 (PDT) Date: Sun, 23 Apr 2023 14:39:12 +0200 From: Stanislav Jakubek To: Rob Herring , Krzysztof Kozlowski , Florian Fainelli , Ray Jui , Scott Branden Cc: bcm-kernel-feedback-list@broadcom.com, linux-i2c@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 1/2] ARM: dts: bcm23550: Add SoC-specific I2C compatible Message-ID: <9875ec0211187e4f5e2a4379c63eacdb69b31d7a.1682252615.git.stano.jakubek@gmail.com> MIME-Version: 1.0 Content-Disposition: inline X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230423_053917_004303_83F15091 X-CRM114-Status: GOOD ( 11.54 ) 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 Add BCM23550-specific compatible for brcm,kona-i2c nodes. While not currently used by the i2c-bcm-kona driver, they can serve for further customization, if required. Done in preparation for dt-binding coversion to DT schema. Signed-off-by: Stanislav Jakubek --- Changes in v2: - none arch/arm/boot/dts/bcm23550.dtsi | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/arm/boot/dts/bcm23550.dtsi b/arch/arm/boot/dts/bcm23550.dtsi index a36c9b1d23c8..32b244b8546c 100644 --- a/arch/arm/boot/dts/bcm23550.dtsi +++ b/arch/arm/boot/dts/bcm23550.dtsi @@ -159,7 +159,7 @@ uartb3: serial@2000 { }; bsc1: i2c@16000 { - compatible = "brcm,kona-i2c"; + compatible = "brcm,bcm23550-i2c", "brcm,kona-i2c"; reg = <0x00016000 0x70>; interrupts = ; #address-cells = <1>; @@ -169,7 +169,7 @@ bsc1: i2c@16000 { }; bsc2: i2c@17000 { - compatible = "brcm,kona-i2c"; + compatible = "brcm,bcm23550-i2c", "brcm,kona-i2c"; reg = <0x00017000 0x70>; interrupts = ; #address-cells = <1>; @@ -179,7 +179,7 @@ bsc2: i2c@17000 { }; bsc3: i2c@18000 { - compatible = "brcm,kona-i2c"; + compatible = "brcm,bcm23550-i2c", "brcm,kona-i2c"; reg = <0x00018000 0x70>; interrupts = ; #address-cells = <1>; @@ -189,7 +189,7 @@ bsc3: i2c@18000 { }; bsc4: i2c@1c000 { - compatible = "brcm,kona-i2c"; + compatible = "brcm,bcm23550-i2c", "brcm,kona-i2c"; reg = <0x0001c000 0x70>; interrupts = ; #address-cells = <1>; From patchwork Sun Apr 23 12:40:18 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stanislav Jakubek X-Patchwork-Id: 13221314 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 3FB80C77B73 for ; Sun, 23 Apr 2023 12:41:13 +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:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date: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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Sun, 23 Apr 2023 05:40:20 -0700 (PDT) Received: from standask-GA-A55M-S2HP ([188.123.113.247]) by smtp.gmail.com with ESMTPSA id k6-20020a5d5246000000b002fe87e0706bsm8550789wrc.97.2023.04.23.05.40.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 23 Apr 2023 05:40:20 -0700 (PDT) Date: Sun, 23 Apr 2023 14:40:18 +0200 From: Stanislav Jakubek To: Rob Herring , Krzysztof Kozlowski , Florian Fainelli , Ray Jui , Scott Branden Cc: bcm-kernel-feedback-list@broadcom.com, linux-i2c@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 2/2] dt-bindings: i2c: brcm,kona-i2c: convert to YAML Message-ID: <72ba28004afb733224f7294a146fc2a6a5a834a7.1682252615.git.stano.jakubek@gmail.com> References: <9875ec0211187e4f5e2a4379c63eacdb69b31d7a.1682252615.git.stano.jakubek@gmail.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <9875ec0211187e4f5e2a4379c63eacdb69b31d7a.1682252615.git.stano.jakubek@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230423_054022_694520_5BDD8CFC X-CRM114-Status: GOOD ( 18.35 ) 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 Convert Broadcom Kona family I2C bindings to DT schema. Changes during conversion: - add used, but previously undocumented SoC-specific compatibles - drop references to SoCs that are not upstream - add supported clock frequencies according to the Linux driver [1] [1] https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/tree/drivers/i2c/busses/i2c-bcm-kona.c#n731 Signed-off-by: Stanislav Jakubek Reviewed-by: Krzysztof Kozlowski Acked-by: Wolfram Sang --- Changes in v2: - add missing arm-gic.h include - fix indentation to 4 spaces .../devicetree/bindings/i2c/brcm,kona-i2c.txt | 35 ----------- .../bindings/i2c/brcm,kona-i2c.yaml | 59 +++++++++++++++++++ 2 files changed, 59 insertions(+), 35 deletions(-) delete mode 100644 Documentation/devicetree/bindings/i2c/brcm,kona-i2c.txt create mode 100644 Documentation/devicetree/bindings/i2c/brcm,kona-i2c.yaml diff --git a/Documentation/devicetree/bindings/i2c/brcm,kona-i2c.txt b/Documentation/devicetree/bindings/i2c/brcm,kona-i2c.txt deleted file mode 100644 index 1b87b741fa8e..000000000000 --- a/Documentation/devicetree/bindings/i2c/brcm,kona-i2c.txt +++ /dev/null @@ -1,35 +0,0 @@ -Broadcom Kona Family I2C -========================= - -This I2C controller is used in the following Broadcom SoCs: - - BCM11130 - BCM11140 - BCM11351 - BCM28145 - BCM28155 - -Required Properties -------------------- -- compatible: "brcm,bcm11351-i2c", "brcm,kona-i2c" -- reg: Physical base address and length of controller registers -- interrupts: The interrupt number used by the controller -- clocks: clock specifier for the kona i2c external clock -- clock-frequency: The I2C bus frequency in Hz -- #address-cells: Should be <1> -- #size-cells: Should be <0> - -Refer to clocks/clock-bindings.txt for generic clock consumer -properties. - -Example: - -i2c@3e016000 { - compatible = "brcm,bcm11351-i2c","brcm,kona-i2c"; - reg = <0x3e016000 0x80>; - interrupts = ; - clocks = <&bsc1_clk>; - clock-frequency = <400000>; - #address-cells = <1>; - #size-cells = <0>; -}; diff --git a/Documentation/devicetree/bindings/i2c/brcm,kona-i2c.yaml b/Documentation/devicetree/bindings/i2c/brcm,kona-i2c.yaml new file mode 100644 index 000000000000..7a694af90fc6 --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/brcm,kona-i2c.yaml @@ -0,0 +1,59 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/i2c/brcm,kona-i2c.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Broadcom Kona family I2C controller + +maintainers: + - Florian Fainelli + +allOf: + - $ref: /schemas/i2c/i2c-controller.yaml# + +properties: + compatible: + items: + - enum: + - brcm,bcm11351-i2c + - brcm,bcm21664-i2c + - brcm,bcm23550-i2c + - const: brcm,kona-i2c + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-frequency: + enum: [ 100000, 400000, 1000000, 3400000 ] + +required: + - compatible + - reg + - interrupts + - clocks + - clock-frequency + +unevaluatedProperties: false + +examples: + - | + #include + #include + + i2c@3e016000 { + compatible = "brcm,bcm11351-i2c", "brcm,kona-i2c"; + reg = <0x3e016000 0x80>; + interrupts = ; + clocks = <&bsc1_clk>; + clock-frequency = <400000>; + #address-cells = <1>; + #size-cells = <0>; + }; +...