[PATCH] dt-bindings: i2c: at91: fix example for scl-gpios

nicolas.ferre at microchip.com nicolas.ferre at microchip.com
Fri Jun 4 06:24:38 PDT 2021


From: Nicolas Ferre <nicolas.ferre at microchip.com>

The SCL gpio pin used by I2C bus for recovery needs to be configured as
open drain, so fix the binding example accordingly.
In relation with fix c5a283802573 ("ARM: dts: at91: Configure I2C SCL
gpio as open drain").

Signed-off-by: Nicolas Ferre <nicolas.ferre at microchip.com>
Fixes: 19e5cef058a0 ("dt-bindings: i2c: at91: document optional bus recovery properties")
---
 Documentation/devicetree/bindings/i2c/i2c-at91.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/i2c/i2c-at91.txt b/Documentation/devicetree/bindings/i2c/i2c-at91.txt
index 96c914e048f5..2015f50aed0f 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-at91.txt
+++ b/Documentation/devicetree/bindings/i2c/i2c-at91.txt
@@ -73,7 +73,7 @@ i2c0: i2c at f8034600 {
 	pinctrl-0 = <&pinctrl_i2c0>;
 	pinctrl-1 = <&pinctrl_i2c0_gpio>;
 	sda-gpios = <&pioA 30 GPIO_ACTIVE_HIGH>;
-	scl-gpios = <&pioA 31 GPIO_ACTIVE_HIGH>;
+	scl-gpios = <&pioA 31 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
 
 	wm8731: wm8731 at 1a {
 		compatible = "wm8731";
-- 
2.31.1




More information about the linux-arm-kernel mailing list