[PATCHv2 3/4] ARM: dts: imx: bx50v3: i2c GPIOs are open drain

Sebastian Reichel sebastian.reichel at collabora.com
Mon Mar 8 15:18:28 GMT 2021


Explicitly mark I2C GPIOs as open drain to fix the following
kernel message being printed:

enforced open drain please flag it properly in DT/ACPI DSDT/board file

Signed-off-by: Sebastian Reichel <sebastian.reichel at collabora.com>
---
 arch/arm/boot/dts/imx6q-bx50v3.dtsi | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/arm/boot/dts/imx6q-bx50v3.dtsi b/arch/arm/boot/dts/imx6q-bx50v3.dtsi
index 2a98cc657595..10922375c51e 100644
--- a/arch/arm/boot/dts/imx6q-bx50v3.dtsi
+++ b/arch/arm/boot/dts/imx6q-bx50v3.dtsi
@@ -173,8 +173,8 @@ m25_eeprom: m25p80 at 0 {
 &i2c1 {
 	pinctrl-names = "default", "gpio";
 	pinctrl-1 = <&pinctrl_i2c1_gpio>;
-	sda-gpios = <&gpio5 26 GPIO_ACTIVE_HIGH>;
-	scl-gpios = <&gpio5 27 GPIO_ACTIVE_HIGH>;
+	sda-gpios = <&gpio5 26 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+	scl-gpios = <&gpio5 27 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
 
 	pca9547: mux at 70 {
 		compatible = "nxp,pca9547";
@@ -315,15 +315,15 @@ mux1_i2c8: i2c at 7 {
 &i2c2 {
 	pinctrl-names = "default", "gpio";
 	pinctrl-1 = <&pinctrl_i2c2_gpio>;
-	sda-gpios = <&gpio4 13 GPIO_ACTIVE_HIGH>;
-	scl-gpios = <&gpio4 12 GPIO_ACTIVE_HIGH>;
+	sda-gpios = <&gpio4 13 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+	scl-gpios = <&gpio4 12 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
 };
 
 &i2c3 {
 	pinctrl-names = "default", "gpio";
 	pinctrl-1 = <&pinctrl_i2c3_gpio>;
-	sda-gpios = <&gpio1 6 GPIO_ACTIVE_HIGH>;
-	scl-gpios = <&gpio1 3 GPIO_ACTIVE_HIGH>;
+	sda-gpios = <&gpio1 6 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+	scl-gpios = <&gpio1 3 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
 };
 
 &iomuxc {
-- 
2.30.1




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