Add the RMI4 Touchscreen on I2C2 and its pin definitions.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
---
.../dts/mediatek/mt6795-sony-xperia-m5.dts | 35 +++++++++++++++++++
1 file changed, 35 insertions(+)
diff --git a/arch/arm64/boot/dts/mediatek/mt6795-sony-xperia-m5.dts b/arch/arm64/boot/dts/mediatek/mt6795-sony-xperia-m5.dts
index 6df1c848e2d5..edab90f06a24 100644
--- a/arch/arm64/boot/dts/mediatek/mt6795-sony-xperia-m5.dts
+++ b/arch/arm64/boot/dts/mediatek/mt6795-sony-xperia-m5.dts
@@ -71,6 +71,28 @@ &i2c2 {
pinctrl-names = "default";
pinctrl-0 = <&i2c2_pins>;
status = "okay";
+
+ touchscreen@20 {
+ compatible = "syna,rmi4-i2c";
+ reg = <0x20>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ interrupts-extended = <&pio 6 IRQ_TYPE_EDGE_FALLING>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&ts_pins>;
+ syna,startup-delay-ms = <160>;
+ syna,reset-delay-ms = <90>;
+
+ rmi4-f01@1 {
+ reg = <0x1>;
+ syna,nosleep-mode = <1>;
+ };
+
+ rmi4-f12@12 {
+ reg = <0x12>;
+ syna,sensor-type = <1>;
+ };
+ };
};
&i2c3 {
@@ -80,6 +102,19 @@ &i2c3 {
};
&pio {
+ ts_pins: touchscreen-pins {
+ pins-irq {
+ pinmux = <PINMUX_GPIO6__FUNC_GPIO6>;
+ bias-pull-up;
+ input-enable;
+ };
+
+ pins-rst {
+ pinmux = <PINMUX_GPIO102__FUNC_GPIO102>;
+ output-high;
+ };
+ };
+
i2c0_pins: i2c0-pins {
pins-bus {
pinmux = <PINMUX_GPIO45__FUNC_SDA0>,
--
2.40.0
