Add device node and required pinctrl settings (as well as a fixup for
an existing one, whoops!) to support the Samsung Electronics
touchscreen on Nagara devices.
Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
---
.../dts/qcom/sm8450-sony-xperia-nagara.dtsi | 27 +++++++++++++++++--
1 file changed, 25 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/boot/dts/qcom/sm8450-sony-xperia-nagara.dtsi b/arch/arm64/boot/dts/qcom/sm8450-sony-xperia-nagara.dtsi
index 0d8d1519a23b..38256226d229 100644
--- a/arch/arm64/boot/dts/qcom/sm8450-sony-xperia-nagara.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8450-sony-xperia-nagara.dtsi
@@ -435,7 +435,22 @@ &gpi_dma2 {
status = "okay";
};
-/* I2C4 is used, it hosts a Samsung touchscreen, but GPI DMA is broken.. */
+&i2c4 {
+ clock-frequency = <400000>;
+ status = "okay";
+
+ touchscreen@48 {
+ compatible = "samsung,s6sy761";
+ reg = <0x48>;
+ interrupt-parent = <&tlmm>;
+ interrupts = <21 0x2008>;
+ vdd-supply = <&pm8350c_l2>;
+ avdd-supply = <&pm8350c_l3>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&ts_reset_default &ts_int_default>;
+ };
+};
&i2c5 {
clock-frequency = <400000>;
@@ -566,8 +581,16 @@ &spi10 {
&tlmm {
gpio-reserved-ranges = <28 4>;
+ ts_reset_default: ts-reset-default-state {
+ pins = "gpio20";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-disable;
+ output-high;
+ };
+
ts_int_default: ts-int-default-state {
- pins = "gpio23";
+ pins = "gpio21";
function = "gpio";
drive-strength = <2>;
bias-disable;
--
2.38.1
