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Subject[PATCH v5 4/4] dts: arm64: qcom: msm8916-acer-a1-724: Add touchscreen
A1-724 uses a Focaltech FT5446 touchscreen that is connected to blsp_i2c5.
Add it to the device tree.

Signed-off-by: Lin, Meng-Bo <linmengbo0689@protonmail.com>
---
.../boot/dts/qcom/msm8916-acer-a1-724.dts | 42 +++++++++++++++++++
1 file changed, 42 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/msm8916-acer-a1-724.dts b/arch/arm64/boot/dts/qcom/msm8916-acer-a1-724.dts
index bea0d022dd9a..5b216107f69b 100644
--- a/arch/arm64/boot/dts/qcom/msm8916-acer-a1-724.dts
+++ b/arch/arm64/boot/dts/qcom/msm8916-acer-a1-724.dts
@@ -81,6 +81,30 @@ magnetometer@12 {
};
};

+&blsp_i2c5 {
+ status = "okay";
+
+ touchscreen@38 {
+ /* Actually ft5446 */
+ compatible = "edt,edt-ft5406";
+ reg = <0x38>;
+
+ interrupt-parent = <&msmgpio>;
+ interrupts = <13 IRQ_TYPE_LEVEL_LOW>;
+
+ reset-gpios = <&msmgpio 12 GPIO_ACTIVE_LOW>;
+
+ vcc-supply = <&pm8916_l16>;
+ iovcc-supply = <&pm8916_l6>;
+
+ touchscreen-size-x = <720>;
+ touchscreen-size-y = <1280>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&touchscreen_default>;
+ };
+};
+
&blsp1_uart2 {
status = "okay";
};
@@ -245,6 +269,24 @@ gpio_keys_default: gpio-keys-default-state {
bias-pull-up;
};

+ touchscreen_default: touchscreen-default-state {
+ reset-pins {
+ pins = "gpio12";
+ function = "gpio";
+
+ drive-strength = <2>;
+ bias-disable;
+ };
+
+ touchscreen-pins {
+ pins = "gpio13";
+ function = "gpio";
+
+ drive-strength = <2>;
+ bias-pull-up;
+ };
+ };
+
usb_id_default: usb-id-default-state {
pins = "gpio110";
function = "gpio";
--
2.30.2

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