From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
The I2C GPIO bus driver enforces the SDA and SCL pins as open-drain
outputs but the lookup flags in the DTS don't reflect that triggering
warnings from GPIO core. Add the appropriate flags.
Tested-by: Alexey Klimov <alexey.klimov@linaro.org>
Reported-by: Alexey Klimov <alexey.klimov@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
---
arch/arm64/boot/dts/qcom/qrb2210-rb1.dts | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts b/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts
index b2e0fc5501c1eefc7e037b2efd939126b483b226..277b33100ac07cb1e8477e9e51331f974b65092b 100644
--- a/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts
+++ b/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts
@@ -5,6 +5,7 @@
/dts-v1/;
+#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/leds/common.h>
#include "qcm2290.dtsi"
#include "pm4125.dtsi"
@@ -63,8 +64,8 @@ hdmi_con: endpoint {
i2c2_gpio: i2c {
compatible = "i2c-gpio";
- sda-gpios = <&tlmm 6 GPIO_ACTIVE_HIGH>;
- scl-gpios = <&tlmm 7 GPIO_ACTIVE_HIGH>;
+ sda-gpios = <&tlmm 6 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+ scl-gpios = <&tlmm 7 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
#address-cells = <1>;
#size-cells = <0>;
--
2.48.1