Messages in this thread Patch in this message | | | From | Yassine Oudjana <> | Subject | [PATCH 3/4] dt-bindings: pinctrl: mediatek,mt67xx-pinctrl: Document MT6735 pin controller bindings | Date | Mon, 19 Sep 2022 20:01:14 +0300 |
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From: Yassine Oudjana <y.oudjana@protonmail.com>
Add bindings for the pin controller found on MediaTek MT6735 and MT6735M SoCs, including describing a method to manually specify a pin and function in the pinmux property making defining bindings for each pin/function combination unnecessary. The pin controllers on those SoCs are generally identical, with the only difference being the lack of MSDC2 pins (198-203) on MT6735M.
Signed-off-by: Yassine Oudjana <y.oudjana@protonmail.com> --- .../pinctrl/mediatek,mt67xx-pinctrl.yaml | 41 +++++++++++++++++++ 1 file changed, 41 insertions(+)
diff --git a/Documentation/devicetree/bindings/pinctrl/mediatek,mt67xx-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/mediatek,mt67xx-pinctrl.yaml index 1a1a03cede3c..c5b4972caa77 100644 --- a/Documentation/devicetree/bindings/pinctrl/mediatek,mt67xx-pinctrl.yaml +++ b/Documentation/devicetree/bindings/pinctrl/mediatek,mt67xx-pinctrl.yaml @@ -20,6 +20,8 @@ properties: compatible: oneOf: - enum: + - mediatek,mt6735-pinctrl + - mediatek,mt6735m-pinctrl - mediatek,mt6765-pinctrl - mediatek,mt6795-pinctrl - mediatek,mt6797-pinctrl @@ -63,6 +65,29 @@ required: allOf: - $ref: "pinctrl.yaml#" + - if: + properties: + compatible: + contains: + enum: + - mediatek,mt6735-pinctrl + - mediatek,mt6735m-pinctrl + then: + properties: + reg: + minItems: 8 + maxItems: 8 + + reg-names: + items: + - const: gpio + - const: iocfg0 + - const: iocfg1 + - const: iocfg2 + - const: iocfg3 + - const: iocfg4 + - const: iocfg5 + - const: eint - if: properties: compatible: @@ -180,6 +205,22 @@ patternProperties: }; }; }; + The MTK_PIN_NO macro can also be used to select a pin and specify + a function index: + pincontroller { + /* Pin 19 set to function 0 (multifunction GPIO) */ + gpio-pins { + pins { + pinmux = <(MTK_PIN_NO(19) | 0)>; + }; + }; + /* Pin 172 set to function 1 (primary function) */ + msdc1-pins { + pins-cmd { + pinmux = <(MTK_PIN_NO(172) | 1)>; + }; + }; + }; $ref: "pinmux-node.yaml" properties: -- 2.37.3
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