arm64: dts: qcom: sdm845-samsung-starqltechn: fix GPIO lookup flags for i2c SDA and SCL

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.

Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Link: https://lore.kernel.org/r/20250811-qcom-gpio-lookup-open-drain-v1-3-b5496f80e047@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>

diff --git a/arch/arm64/boot/dts/qcom/sdm845-samsung-starqltechn.dts b/arch/arm64/boot/dts/qcom/sdm845-samsung-starqltechn.dts
index d686531bf4eacae2105bbed3a9d5478b45a4b2a3..9076d8eb4d50af736d5c4de7158fbf32231f6629 100644 (file)
--- a/arch/arm64/boot/dts/qcom/sdm845-samsung-starqltechn.dts
+++ b/arch/arm64/boot/dts/qcom/sdm845-samsung-starqltechn.dts
@@ -145,8 +145,8 @@
 
        i2c21 {
                compatible = "i2c-gpio";
-               sda-gpios = <&tlmm 127 GPIO_ACTIVE_HIGH>;
-               scl-gpios = <&tlmm 128 GPIO_ACTIVE_HIGH>;
+               sda-gpios = <&tlmm 127 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+               scl-gpios = <&tlmm 128 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
                i2c-gpio,delay-us = <2>;
                pinctrl-0 = <&i2c21_sda_state &i2c21_scl_state>;
                pinctrl-names = "default";