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Mon, 29 May 2023 07:40:07 +0000 From: carlos.song@nxp.com To: aisheng.dong@nxp.com, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, Anson.Huang@nxp.com Cc: carlos.song@nxp.com, xiaoning.wang@nxp.com, haibo.chen@nxp.com, linux-imx@nxp.com, linux-i2c@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/2] dt-bindings: i2c: imx-lpi2c: Add bus recovery example Date: Mon, 29 May 2023 15:43:02 +0800 Message-Id: <20230529074302.3612294-2-carlos.song@nxp.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230529074302.3612294-1-carlos.song@nxp.com> References: <20230529074302.3612294-1-carlos.song@nxp.com> X-ClientProxiedBy: SG2PR02CA0030.apcprd02.prod.outlook.com (2603:1096:3:18::18) To VI1PR04MB5005.eurprd04.prod.outlook.com (2603:10a6:803:57::30) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: VI1PR04MB5005:EE_|GV1PR04MB9117:EE_ X-MS-Office365-Filtering-Correlation-Id: 34789fbc-3b44-4f1e-2022-08db6017ec76 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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Signed-off-by: Clark Wang Signed-off-by: Carlos Song --- .../devicetree/bindings/i2c/i2c-imx-lpi2c.yaml | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/Documentation/devicetree/bindings/i2c/i2c-imx-lpi2c.yaml b/Documentation/devicetree/bindings/i2c/i2c-imx-lpi2c.yaml index 4656f5112b84..62ee457496e4 100644 --- a/Documentation/devicetree/bindings/i2c/i2c-imx-lpi2c.yaml +++ b/Documentation/devicetree/bindings/i2c/i2c-imx-lpi2c.yaml @@ -58,6 +58,16 @@ properties: power-domains: maxItems: 1 + pinctrl-names: + minItems: 1 + maxItems: 3 + + scl-gpios: + maxItems: 1 + + sda-gpios: + maxItems: 1 + required: - compatible - reg @@ -70,6 +80,7 @@ examples: - | #include #include + #include i2c@40a50000 { compatible = "fsl,imx7ulp-lpi2c"; @@ -78,4 +89,9 @@ examples: interrupts = ; clocks = <&clks IMX7ULP_CLK_LPI2C7>, <&clks IMX7ULP_CLK_NIC1_BUS_DIV>; + pinctrl-names = "default","gpio"; + pinctrl-0 = <&pinctrl_i2c>; + pinctrl-1 = <&pinctrl_i2c_recovery>; + scl-gpios = <&gpio5 14 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + sda-gpios = <&gpio5 15 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; };