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Signed-off-by: Oleksii Moisieiev --- .../bindings/firmware/arm,scmi.yaml | 77 +++++++++++++++++++ 1 file changed, 77 insertions(+) diff --git a/Documentation/devicetree/bindings/firmware/arm,scmi.yaml b/Documentation/devicetree/bindings/firmware/arm,scmi.yaml index 2f7c51c75e85..41ba5b8d8151 100644 --- a/Documentation/devicetree/bindings/firmware/arm,scmi.yaml +++ b/Documentation/devicetree/bindings/firmware/arm,scmi.yaml @@ -212,6 +212,63 @@ properties: reg: const: 0x18 + protocol@19: + $ref: '#/$defs/protocol-node' + + properties: + reg: + const: 0x19 + + '#pinctrl-cells': + const: 0 + + allOf: + - $ref: "/schemas/pinctrl/pinctrl.yaml#" + + required: + - reg + + additionalProperties: + anyOf: + - type: object + allOf: + - $ref: /schemas/pinctrl/pincfg-node.yaml# + - $ref: /schemas/pinctrl/pinmux-node.yaml# + + description: + A pin multiplexing sub-node describe how to configure a + set of pins is some desired function. + A single sub-node may define several pin configurations. + This sub-node is using default pinctrl bindings to configure + pin multiplexing and using SCMI protocol to apply specified + configuration using SCMI protocol. + + properties: + phandle: true + function: true + groups: true + pins: true + bias-bus-hold: true + bias-disable: true + bias-high-impedance: true + bias-pull-up: true + bias-pull-default: true + bias-pull-down: true + drive-open-drain: true + drive-open-source: true + drive-push-pull: true + drive-strength: true + input-debounce: true + input-value: true + input-schmitt: true + low-power-mode: true + output-mode: true + output-value: true + power-source: true + skew-rate: true + + additionalProperties: true + additionalProperties: false $defs: @@ -356,6 +413,26 @@ examples: scmi_powercap: protocol@18 { reg = <0x18>; }; + + scmi_pinctrl: protocol@19 { + reg = <0x19>; + #pinctrl-cells = <0>; + + i2c2 { + groups = "i2c2_a", "i2c2_b"; + function = "i2c2"; + }; + + pins_mdio { + groups = "avb_mdio"; + drive-strength = <24>; + }; + + keys_pins: keys { + pins = "GP_5_17", "GP_5_20", "GP_5_22", "GP_2_1"; + bias-pull-up; + }; + }; }; };