| Message ID | 20220704101321.44835-12-angelogioacchino.delregno@collabora.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | MT8195 Chromebooks devicetrees - Google Tomato | expand |
diff --git a/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r1.dts b/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r1.dts index 7ca344ccc225..3348ba69ff6c 100644 --- a/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r1.dts +++ b/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r1.dts @@ -9,3 +9,7 @@ / { model = "Acer Tomato (rev1) board"; compatible = "google,tomato-rev1", "google,tomato", "mediatek,mt8195"; }; + +&ts_10 { + status = "okay"; +}; diff --git a/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r2.dts b/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r2.dts index eb80f23273aa..4669e9d917f8 100644 --- a/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r2.dts +++ b/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r2.dts @@ -29,3 +29,7 @@ pins-low-power-pcie0-disable { bias-pull-down; }; }; + +&ts_10 { + status = "okay"; +}; diff --git a/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r3.dts b/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r3.dts index f9cdda07da88..5021edd02f7c 100644 --- a/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r3.dts +++ b/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r3.dts @@ -30,3 +30,7 @@ pins-low-power-pcie0-disable { bias-pull-down; }; }; + +&ts_10 { + status = "okay"; +}; diff --git a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi index 2c8b760d0da1..fcc600674339 100644 --- a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi @@ -145,6 +145,18 @@ &i2c4 { clock-frequency = <400000>; pinctrl-names = "default"; pinctrl-0 = <&i2c4_pins>; + + ts_10: touchscreen@10 { + compatible = "hid-over-i2c"; + reg = <0x10>; + hid-descr-addr = <0x0001>; + interrupts-extended = <&pio 92 IRQ_TYPE_LEVEL_LOW>; + pinctrl-names = "default"; + pinctrl-0 = <&touchscreen_pins>; + post-power-on-delay-ms = <10>; + vdd-supply = <&pp3300_s3>; + status = "disabled"; + }; }; &i2c5 { @@ -609,6 +621,22 @@ subpmic_pin_irq: pins-subpmic-int-n { bias-pull-up; }; }; + + touchscreen_pins: touchscreen-default-pins { + pins-int-n { + pinmux = <PINMUX_GPIO92__FUNC_GPIO92>; + input-enable; + bias-pull-up = <MTK_PUPD_SET_R1R0_01>; + }; + pins-rst { + pinmux = <PINMUX_GPIO56__FUNC_GPIO56>; + output-high; + }; + pins-report-sw { + pinmux = <PINMUX_GPIO57__FUNC_GPIO57>; + output-low; + }; + }; }; &pmic {
This platform carries a HID compatible I2C touchscreen on the i2c4 bus, but it may be at a different address, depending on the board model. Add the node for a touchscreen at 0x10, but enable it only in the final board dts. Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> --- .../dts/mediatek/mt8195-cherry-tomato-r1.dts | 4 +++ .../dts/mediatek/mt8195-cherry-tomato-r2.dts | 4 +++ .../dts/mediatek/mt8195-cherry-tomato-r3.dts | 4 +++ .../boot/dts/mediatek/mt8195-cherry.dtsi | 28 +++++++++++++++++++ 4 files changed, 40 insertions(+)