diff mbox series

[6/6] arm64: dts: qcom: msm8916-samsung-a2015: Disable muic i2c pin bias

Message ID 20201113175917.189123-6-nikitos.tr@gmail.com (mailing list archive)
State Accepted
Commit 4e8692c2ee3d4ac6b669f7e306364d77a574c810
Headers show
Series [1/6] arm64: dts: qcom: msm8916-longcheer-l8150: Enable PM8916 vibrator | expand

Commit Message

Nikita Travkin Nov. 13, 2020, 5:59 p.m. UTC 
From: Nikita Travkin <nikitos.tr@gmail.com>

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@gmail.com>
---
 .../boot/dts/qcom/msm8916-samsung-a2015-common.dtsi   | 11 +++++++++++
 1 file changed, 11 insertions(+)
diff mbox series

Patch

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";