From patchwork Tue May 18 14:55:20 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fabien Parent X-Patchwork-Id: 441490 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3780EC433ED for ; Tue, 18 May 2021 14:57:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1C69F610E9 for ; Tue, 18 May 2021 14:57:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244640AbhERO6q (ORCPT ); Tue, 18 May 2021 10:58:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33574 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243645AbhERO6l (ORCPT ); Tue, 18 May 2021 10:58:41 -0400 Received: from mail-wm1-x32d.google.com (mail-wm1-x32d.google.com [IPv6:2a00:1450:4864:20::32d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D5F78C061756 for ; Tue, 18 May 2021 07:57:22 -0700 (PDT) Received: by mail-wm1-x32d.google.com with SMTP id o127so5594284wmo.4 for ; Tue, 18 May 2021 07:57:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=nnvJ8osbkowWmqtn9NFdggrDzHVnx44WWHnS4UTIDOM=; b=dqKKErEgkRlR/pYnicFKmswieuRIFj7bEca/bsTnapwvj2d7DrbFobFVAB/igJPDPH UfbaKjLSc4YwuLqpfz4YuA8+JSRGcf6B2IAiFPw803FOmrM5P1DKzXCEH90/QzwSx2dT BL2cO/+aNcxil+n6LKy4wjvEWD5eqlxSnlGqOAmk2QRQkcKq8hyalmI1x5F0CwW6to79 xVjjpqTzopTJhSXfjNkSN0zuA9/0QS4+l4yZBudznhcwL+7GhrGE2E7819lc+BM5w8Ca GUBBgTjXeKrdBzX7XAwZOedzp0eRVerGZgUWpjwQeV3nBLYoIRyhklIZ6pb9fO1Vhz0q /0dA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=nnvJ8osbkowWmqtn9NFdggrDzHVnx44WWHnS4UTIDOM=; b=lHiEkmEQSBj78epu2YoNDqBbQuvDvBPOY9lLDB3Cjg5Qwl7z51zpGJzJN8G+JNVOGw kLsBiUwOi/3kNZ5X5r4soNXJaqXNj3+Te/kpfZ0VkC2PUmfrG7kXbqMy2ZouFmyGm/w5 mktVlvOlc4czX3gbet1jmIZ9uCewZBjgQTPD/K/ix+CdALqdB86jwRtnBN8WeK3jOugh ww1g4cL2rq9cO2bEAK3tt8uM6DYqID1VLrCiKuwVjGDnVv0Do753PTV5JY7vfLt9h/Gp YLy8zQayOBTn0PO0gs5GzL/OPgKSU2HGyrBa3sFrpHfv1q//NZgtErdmZNOfsu+y79wu RBBw== X-Gm-Message-State: AOAM531+AFrrxYyyeIXUgHnXSz4fVp0Wr3elX7z1xO3dY0D4qvNS/OSM CZFNWfCi062H5CZjULeGyEBHlw== X-Google-Smtp-Source: ABdhPJykHbrqVuGSot4jl0mtKbOsvhBcfbVcGuhfK+eptPr3NLTg0KErO+dWYOEgB6dOfCldaFg29g== X-Received: by 2002:a1c:2507:: with SMTP id l7mr5969715wml.188.1621349841534; Tue, 18 May 2021 07:57:21 -0700 (PDT) Received: from localhost.localdomain ([88.160.162.107]) by smtp.gmail.com with ESMTPSA id a18sm2928386wmb.13.2021.05.18.07.57.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 18 May 2021 07:57:20 -0700 (PDT) From: Fabien Parent To: Qii Wang , Rob Herring , Matthias Brugger Cc: mkorpershoek@baylibre.com, Fabien Parent , linux-i2c@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/3] dt-bindings: i2c: i2c-mt65xx: convert doc to yaml schema format Date: Tue, 18 May 2021 16:55:20 +0200 Message-Id: <20210518145522.2420135-1-fparent@baylibre.com> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org Convert the binding documentation for i2c-mt65xx driver to the YAML schema format. Signed-off-by: Fabien Parent Acked-by: Rob Herring --- .../devicetree/bindings/i2c/i2c-mt65xx.txt | 49 ---------- .../devicetree/bindings/i2c/i2c-mt65xx.yaml | 97 +++++++++++++++++++ 2 files changed, 97 insertions(+), 49 deletions(-) delete mode 100644 Documentation/devicetree/bindings/i2c/i2c-mt65xx.txt create mode 100644 Documentation/devicetree/bindings/i2c/i2c-mt65xx.yaml diff --git a/Documentation/devicetree/bindings/i2c/i2c-mt65xx.txt b/Documentation/devicetree/bindings/i2c/i2c-mt65xx.txt deleted file mode 100644 index 7f0194fdd0cc..000000000000 --- a/Documentation/devicetree/bindings/i2c/i2c-mt65xx.txt +++ /dev/null @@ -1,49 +0,0 @@ -* MediaTek's I2C controller - -The MediaTek's I2C controller is used to interface with I2C devices. - -Required properties: - - compatible: value should be either of the following. - "mediatek,mt2701-i2c", "mediatek,mt6577-i2c": for MediaTek MT2701 - "mediatek,mt2712-i2c": for MediaTek MT2712 - "mediatek,mt6577-i2c": for MediaTek MT6577 - "mediatek,mt6589-i2c": for MediaTek MT6589 - "mediatek,mt6797-i2c", "mediatek,mt6577-i2c": for MediaTek MT6797 - "mediatek,mt7622-i2c": for MediaTek MT7622 - "mediatek,mt7623-i2c", "mediatek,mt6577-i2c": for MediaTek MT7623 - "mediatek,mt7629-i2c", "mediatek,mt2712-i2c": for MediaTek MT7629 - "mediatek,mt8173-i2c": for MediaTek MT8173 - "mediatek,mt8183-i2c": for MediaTek MT8183 - "mediatek,mt8192-i2c": for MediaTek MT8192 - "mediatek,mt8516-i2c", "mediatek,mt2712-i2c": for MediaTek MT8516 - - reg: physical base address of the controller and dma base, length of memory - mapped region. - - interrupts: interrupt number to the cpu. - - clock-div: the fixed value for frequency divider of clock source in i2c - module. Each IC may be different. - - clocks: clock name from clock manager - - clock-names: Must include "main" and "dma", "arb" is for multi-master that - one bus has more than two i2c controllers, if enable have-pmic need include - "pmic" extra. - -Optional properties: - - clock-frequency: Frequency in Hz of the bus when transfer, the default value - is 100000. - - mediatek,have-pmic: platform can control i2c form special pmic side. - Only mt6589 and mt8135 support this feature. - - mediatek,use-push-pull: IO config use push-pull mode. - -Example: - - i2c0: i2c@1100d000 { - compatible = "mediatek,mt6577-i2c"; - reg = <0x1100d000 0x70>, - <0x11000300 0x80>; - interrupts = ; - clock-frequency = <400000>; - mediatek,have-pmic; - clock-div = <16>; - clocks = <&i2c0_ck>, <&ap_dma_ck>; - clock-names = "main", "dma"; - }; - diff --git a/Documentation/devicetree/bindings/i2c/i2c-mt65xx.yaml b/Documentation/devicetree/bindings/i2c/i2c-mt65xx.yaml new file mode 100644 index 000000000000..0f445d2ab727 --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/i2c-mt65xx.yaml @@ -0,0 +1,97 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/i2c/i2c-mt65xx.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: MediaTek I2C Controller + +maintainers: + - Qii Wang + - Matthias Brugger + +allOf: + - $ref: /schemas/i2c/i2c-controller.yaml# + +properties: + $nodename: + pattern: "^i2c[0-9]*@[0-9a-f]+$" + + compatible: + oneOf: + - enum: + - mediatek,mt2712-i2c + - mediatek,mt6577-i2c + - mediatek,mt6589-i2c + - mediatek,mt7622-i2c + - mediatek,mt8173-i2c + - mediatek,mt8183-i2c + - mediatek,mt8192-i2c + - items: + - const: mediatek,mt2701-i2c + - const: mediatek,mt6577-i2c + - items: + - const: mediatek,mt6797-i2c + - const: mediatek,mt6577-i2c + - items: + - const: mediatek,mt7623-i2c + - const: mediatek,mt6577-i2c + - items: + - const: mediatek,mt7629-i2c + - const: mediatek,mt2712-i2c + - items: + - const: mediatek,mt8516-i2c + - const: mediatek,mt2712-i2c + + clocks: + minItems: 2 + maxItems: 4 + items: + - description: Controller clock + - description: DMA clock + - description: ARB clock for multi-master when a bus has more than + one i2c controllers + - description: PMIC clock. Only when mediatek,have-pmic is set. + + clock-names: + minItems: 2 + maxItems: 4 + items: + - const: main + - const: dma + - const: arb + - const: pmic + + mediatek,have-pmic: + $ref: /schemas/types.yaml#/definitions/flag + description: Platform can control I2C from the PMIC + + mediatek,use-push-pull: + $ref: /schemas/types.yaml#/definitions/flag + description: IO config use push-pull mode. + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - clock-div + +unevaluatedProperties: false + +examples: + - | + #include + #include + i2c0: i2c@1100d000 { + compatible = "mediatek,mt6577-i2c"; + reg = <0x1100d000 0x70>, + <0x11000300 0x80>; + interrupts = ; + clock-frequency = <400000>; + mediatek,have-pmic; + clock-div = <16>; + clocks = <&i2c0_ck>, <&ap_dma_ck>; + clock-names = "main", "dma"; + };