From: Nikita Travkin <nikitos.tr@xxxxxxxxx>
Some versions of the firmware leave i2c gpios in a wrong state.
Add pinctrl that disables pin bias since external pull-up resistors
are present.
Fixes: 1329c1ab0730 ("arm64: dts: qcom: Add device tree for Samsung Galaxy A3U/A5U")
Signed-off-by: Nikita Travkin <nikitos.tr@xxxxxxxxx>
---
.../boot/dts/qcom/msm8916-samsung-a2015-common.dtsi | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/msm8916-samsung-a2015-common.dtsi b/arch/arm64/boot/dts/qcom/msm8916-samsung-a2015-common.dtsi
index 0b0dfd3059de..f91269492d72 100644
--- a/arch/arm64/boot/dts/qcom/msm8916-samsung-a2015-common.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8916-samsung-a2015-common.dtsi
@@ -78,6 +78,9 @@ i2c-muic {
sda-gpios = <&msmgpio 105 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
scl-gpios = <&msmgpio 106 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&muic_i2c_default>;
+
#address-cells = <1>;
#size-cells = <0>;
@@ -304,6 +307,14 @@ mdss_sleep: mdss-sleep {
};
};
+ muic_i2c_default: muic-i2c-default {
+ pins = "gpio105", "gpio106";
+ function = "gpio";
+
+ drive-strength = <2>;
+ bias-disable;
+ };
+
muic_int_default: muic-int-default {
pins = "gpio12";
function = "gpio";
--
2.25.1
