arm64: dts: qcom: sm8550-qrd: enable Touchscreen

Add Goodix Berlin touchscreen controller node for the SM8550 QRD
connected to the SPI4 controller.

Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20240131-topic-sm8550-upstream-qrd8550-touch-v1-1-007f61158aa8@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>

diff --git a/arch/arm64/boot/dts/qcom/sm8550-qrd.dts b/arch/arm64/boot/dts/qcom/sm8550-qrd.dts
index d401d63e5c4d2aff90a9845efa757ce584aae538..4c0a863024da2f9abb83842078bd3b44ab3f3fc0 100644 (file)
--- a/arch/arm64/boot/dts/qcom/sm8550-qrd.dts
+++ b/arch/arm64/boot/dts/qcom/sm8550-qrd.dts
@@ -724,6 +724,10 @@
                 <&usb_dp_qmpphy QMP_USB43DP_USB3_PIPE_CLK>;
 };
 
+&gpi_dma1 {
+       status = "okay";
+};
+
 &gpu {
        status = "okay";
 
@@ -960,6 +964,30 @@
        };
 };
 
+&spi4 {
+       status = "okay";
+
+       touchscreen@0 {
+               compatible = "goodix,gt9916";
+               reg = <0>;
+
+               interrupt-parent = <&tlmm>;
+               interrupts = <25 IRQ_TYPE_LEVEL_LOW>;
+
+               reset-gpios = <&tlmm 24 GPIO_ACTIVE_LOW>;
+
+               avdd-supply = <&vreg_l14b_3p2>;
+
+               spi-max-frequency = <1000000>;
+
+               touchscreen-size-x = <1080>;
+               touchscreen-size-y = <2400>;
+
+               pinctrl-names = "default";
+               pinctrl-0 = <&ts_irq>, <&ts_reset>;
+       };
+};
+
 &swr1 {
        status = "okay";
 
@@ -1028,6 +1056,20 @@
                bias-pull-down;
        };
 
+       ts_irq: ts-irq-state {
+               pins = "gpio25";
+               function = "gpio";
+               drive-strength = <8>;
+               bias-pull-up;
+       };
+
+       ts_reset: ts-reset-state {
+               pins = "gpio24";
+               function = "gpio";
+               drive-strength = <8>;
+               bias-pull-up;
+       };
+
        wcd_default: wcd-reset-n-active-state {
                pins = "gpio108";
                function = "gpio";