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Tue, 6 Jun 2023 16:22:28 +0000 From: Oleksii Moisieiev To: "sudeep.holla@arm.com" CC: Oleksii Moisieiev , Cristian Marussi , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Linus Walleij , "linux-arm-kernel@lists.infradead.org" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-gpio@vger.kernel.org" Subject: [PATCH v3 4/4] dt-bindings: firmware: arm,scmi: Add support for pinctrl protocol Thread-Topic: [PATCH v3 4/4] dt-bindings: firmware: arm,scmi: Add support for pinctrl protocol Thread-Index: AQHZmJMWJkxtIOd1SkGZy3MMJWizGg== Date: Tue, 6 Jun 2023 16:22:28 +0000 Message-ID: References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-publictraffictype: Email x-ms-traffictypediagnostic: PA4PR03MB7136:EE_|PAVPR03MB9383:EE_ x-ms-office365-filtering-correlation-id: 59b85e82-598e-49e1-0078-08db66aa38df x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: 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 x-forefront-antispam-report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:PA4PR03MB7136.eurprd03.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230028)(4636009)(136003)(366004)(39860400002)(396003)(376002)(346002)(451199021)(38100700002)(86362001)(38070700005)(122000001)(478600001)(91956017)(41300700001)(71200400001)(6486002)(54906003)(5660300002)(8676002)(66476007)(64756008)(66946007)(76116006)(6916009)(4326008)(8936002)(66446008)(66556008)(316002)(2906002)(7416002)(2616005)(26005)(6506007)(6512007)(36756003)(186003);DIR:OUT;SFP:1101; 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Signed-off-by: Oleksii Moisieiev Reviewed-by: Linus Walleij --- .../bindings/firmware/arm,scmi.yaml | 53 +++++++++++++++++++ 1 file changed, 53 insertions(+) diff --git a/Documentation/devicetree/bindings/firmware/arm,scmi.yaml b/Documentation/devicetree/bindings/firmware/arm,scmi.yaml index 5824c43e9893..a19aa184bbd1 100644 --- a/Documentation/devicetree/bindings/firmware/arm,scmi.yaml +++ b/Documentation/devicetree/bindings/firmware/arm,scmi.yaml @@ -233,6 +233,39 @@ 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. + + unevaluatedProperties: false + additionalProperties: false $defs: @@ -384,6 +417,26 @@ 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; + }; + }; }; };