diff options
| author | Konrad Dybcio <konrad.dybcio@linaro.org> | 2022-11-14 12:56:54 +0300 |
|---|---|---|
| committer | Bjorn Andersson <andersson@kernel.org> | 2022-12-06 20:05:29 +0300 |
| commit | d409e44d2ec672ae9c1513485f850e17af829916 (patch) | |
| tree | 74a4a32e584ed20aea5a930c3acb320d5a350505 /arch/arm64/boot/dts | |
| parent | 7d54cdf5640ca29e7fdaa8528e09f719b685bc8b (diff) | |
| download | linux-d409e44d2ec672ae9c1513485f850e17af829916.tar.xz | |
arm64: dts: qcom: sm8450-nagara: Add Samsung touchscreen
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@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221114095654.34561-4-konrad.dybcio@linaro.org
Diffstat (limited to 'arch/arm64/boot/dts')
| -rw-r--r-- | arch/arm64/boot/dts/qcom/sm8450-sony-xperia-nagara.dtsi | 27 |
1 files 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 @@ 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 @@ &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; |