Messages in this thread Patch in this message | | | From | "Peng Fan (OSS)" <> | Date | Sat, 23 Mar 2024 20:15:15 +0800 | Subject | [PATCH v6 2/4] dt-bindings: firmware: arm,scmi: support pinctrl protocol |
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From: Peng Fan <peng.fan@nxp.com>
Add SCMI v3.2 pinctrl protocol bindings and example.
Reviewed-by: Rob Herring <robh@kernel.org> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Peng Fan <peng.fan@nxp.com> --- .../devicetree/bindings/firmware/arm,scmi.yaml | 50 ++++++++++++++++++++++ 1 file changed, 50 insertions(+)
diff --git a/Documentation/devicetree/bindings/firmware/arm,scmi.yaml b/Documentation/devicetree/bindings/firmware/arm,scmi.yaml index 4591523b51a0..e9d3f043c4ed 100644 --- a/Documentation/devicetree/bindings/firmware/arm,scmi.yaml +++ b/Documentation/devicetree/bindings/firmware/arm,scmi.yaml @@ -247,6 +247,37 @@ properties: reg: const: 0x18 + protocol@19: + type: object + allOf: + - $ref: '#/$defs/protocol-node' + - $ref: /schemas/pinctrl/pinctrl.yaml + + unevaluatedProperties: false + + properties: + reg: + const: 0x19 + + patternProperties: + '-pins$': + type: object + allOf: + - $ref: /schemas/pinctrl/pincfg-node.yaml# + - $ref: /schemas/pinctrl/pinmux-node.yaml# + unevaluatedProperties: false + + description: + A pin multiplexing sub-node describes how to configure a + set of pins in some desired function. + A single sub-node may define several pin configurations. + This sub-node is using the default pinctrl bindings to configure + pin multiplexing and using SCMI protocol to apply a specified + configuration. + + required: + - reg + additionalProperties: false $defs: @@ -401,6 +432,25 @@ examples: scmi_powercap: protocol@18 { reg = <0x18>; }; + + scmi_pinctrl: protocol@19 { + reg = <0x19>; + + i2c2-pins { + groups = "g_i2c2_a", "g_i2c2_b"; + function = "f_i2c2"; + }; + + mdio-pins { + groups = "g_avb_mdio"; + drive-strength = <24>; + }; + + keys_pins: keys-pins { + pins = "gpio_5_17", "gpio_5_20", "gpio_5_22", "gpio_2_1"; + bias-pull-up; + }; + }; }; }; -- 2.37.1
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