arm64: dts: qcom: sdm845-xiaomi-beryllium-tianma: introduce touchscreen support

Enable the Novatek NT36672A touchscreen controller used in the Poco F1
(Tianma) panel variant.

Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Joel Selvaraj <foss@joelselvaraj.com>
Link: https://lore.kernel.org/r/20250506-pocof1-touchscreen-support-v4-3-bfb53da52945@joelselvaraj.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>

diff --git a/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium-tianma.dts b/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium-tianma.dts
index e9427851ebaae13389f394c06eaae339a63fcad9..b58964cde834221baf1a7e52c002c8394668dd99 100644 (file)
--- a/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium-tianma.dts
+++ b/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium-tianma.dts
@@ -13,3 +13,26 @@
        compatible = "tianma,fhd-video", "novatek,nt36672a";
        status = "okay";
 };
+
+&i2c14 {
+       status = "okay";
+
+       touchscreen@1 {
+               compatible = "novatek,nt36672a-ts";
+               reg = <0x01>;
+
+               interrupts-extended = <&tlmm 31 IRQ_TYPE_EDGE_RISING>;
+               reset-gpios = <&tlmm 32 GPIO_ACTIVE_LOW>;
+               panel = <&display_panel>;
+
+               iovcc-supply = <&vreg_l14a_1p8>;
+               vcc-supply = <&lab>;
+
+               pinctrl-0 = <&ts_int_default &ts_reset_default>;
+               pinctrl-1 = <&ts_int_sleep &ts_reset_sleep>;
+               pinctrl-names = "default", "sleep";
+
+               touchscreen-size-x = <1080>;
+               touchscreen-size-y = <2246>;
+       };
+};