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Sat, 23 Mar 2024 12:07:34 +0000 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 Message-Id: <20240323-pinctrl-scmi-v6-2-a895243257c0@nxp.com> References: <20240323-pinctrl-scmi-v6-0-a895243257c0@nxp.com> In-Reply-To: <20240323-pinctrl-scmi-v6-0-a895243257c0@nxp.com> To: Sudeep Holla , Cristian Marussi , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Linus Walleij , Dan Carpenter Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-gpio@vger.kernel.org, Peng Fan X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1711196144; l=2362; i=peng.fan@nxp.com; s=20230812; h=from:subject:message-id; bh=1H2rME0+2KWUaw0j7tYsXFokSaYx/bEPhCjn1uDoVYo=; b=yXDqUmMho1q94CJjUWs/Y4/Ta6joF+KXkrSg9P6VrL7fy/5buXTzXtrHYb9IXsx7mpsvaJqLs IjtBKb32BO9DH3eS7YvmO+lBHr7TajyVxhAL5h5s1Ys5b+1CPFBANt9 X-Developer-Key: i=peng.fan@nxp.com; a=ed25519; pk=I4sJg7atIT1g63H7bb5lDRGR2gJW14RKDD0wFL8TT1g= X-ClientProxiedBy: SI2PR06CA0016.apcprd06.prod.outlook.com (2603:1096:4:186::22) To DU0PR04MB9417.eurprd04.prod.outlook.com (2603:10a6:10:358::11) Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DU0PR04MB9417:EE_|DU0PR04MB9585:EE_ X-MS-Office365-Filtering-Correlation-Id: 19f366a0-a17e-4275-119e-08dc4b31d2e2 X-MS-Exchange-SharedMailbox-RoutingAgent-Processed: True X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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Reviewed-by: Rob Herring Reviewed-by: Linus Walleij Signed-off-by: Peng Fan --- .../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; + }; + }; }; };