linux-kernel - [PATCH V2 11/18] dt-bindings: i2c: imx-lpi2c: Add bus recovery example

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Message-Id: <20210406113306.2633595-12-xiaoning.wang@nxp.com>
Date:   Tue,  6 Apr 2021 19:32:59 +0800
From:   Clark Wang <xiaoning.wang@....com>
To:     aisheng.dong@....com, robh+dt@...nel.org, shawnguo@...nel.org,
        s.hauer@...gutronix.de, festevam@...il.com
Cc:     kernel@...gutronix.de, linux-imx@....com,
        linux-i2c@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH V2 11/18] dt-bindings: i2c: imx-lpi2c: Add bus recovery example

Add i2c bus recovery configuration example.

Signed-off-by: Clark Wang <xiaoning.wang@....com>
---
V2 changes:
 - New patch added in V2
---
 .../devicetree/bindings/i2c/i2c-imx-lpi2c.yaml     | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/Documentation/devicetree/bindings/i2c/i2c-imx-lpi2c.yaml b/Documentation/devicetree/bindings/i2c/i2c-imx-lpi2c.yaml
index 29b9447f3b84..0a4b28827dcc 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-imx-lpi2c.yaml
+++ b/Documentation/devicetree/bindings/i2c/i2c-imx-lpi2c.yaml
@@ -42,6 +42,15 @@ properties:
   power-domains:
     maxItems: 1
 
+  pinctrl-names:
+    minItems: 1
+
+  scl-gpios:
+    maxItems: 1
+
+  sda-gpios:
+    maxItems: 1
+
 required:
   - compatible
   - reg
@@ -61,4 +70,9 @@ examples:
         interrupt-parent = <&intc>;
         interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
         clocks = <&clks IMX7ULP_CLK_LPI2C7>;
+        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)>;
     };
-- 
2.25.1