| Message ID | 20240405-pinctrl-scmi-v8-2-5fc8e33871bf@nxp.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | firmware: arm_scmi: Add SCMI v3.2 pincontrol protocol basic support | expand |
On Apr 05, 2024 at 09:59:33 +0800, Peng Fan (OSS) wrote: > 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> > --- Reviewed-by: Dhruva Gole <d-gole@ti.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: [...]
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; + }; + }; }; };