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Thu, 20 May 2021 04:21:08 -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 v2 1/4] dt-bindings: i2c: i2c-mt65xx: convert doc to yaml schema format Date: Thu, 20 May 2021 13:21:02 +0200 Message-Id: <20210520112106.77190-1-fparent@baylibre.com> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210520_042110_530209_6F5E0CB2 X-CRM114-Status: GOOD ( 20.69 ) 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 the binding documentation for i2c-mt65xx driver to the YAML schema format. Signed-off-by: Fabien Parent --- v2: * write compatibles in a more compact way * set the node pattern to be "^i2c@[0-9a-f]+$" instead of "^i2c[0-9]*@[0-9a-f]+"$ .../devicetree/bindings/i2c/i2c-mt65xx.txt | 49 ---------- .../devicetree/bindings/i2c/i2c-mt65xx.yaml | 93 +++++++++++++++++++ 2 files changed, 93 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..41cedb4930de --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/i2c-mt65xx.yaml @@ -0,0 +1,93 @@ +# 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: + $nodename: + pattern: "^i2c@[0-9a-f]+$" + + 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: + - enum: + - mediatek,mt2701-i2c + - mediatek,mt6797-i2c + - mediatek,mt7623-i2c + - const: mediatek,mt6577-i2c + - items: + - enum: + - mediatek,mt7629-i2c + - 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"; + };