diff options
| author | AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> | 2022-07-04 12:13:21 +0200 |
|---|---|---|
| committer | Matthias Brugger <matthias.bgg@gmail.com> | 2022-07-07 16:41:20 +0200 |
| commit | 10d4a706ff4244fe3131158cee30a65799925c1b (patch) | |
| tree | cf30fe31570d967d4a15038964bab5c1abde9324 /arch | |
| parent | c34bc66086e763a3c957ea2568812dd02754dfb0 (diff) | |
| download | linux-10d4a706ff4244fe3131158cee30a65799925c1b.tar.bz2 | |
arm64: dts: mediatek: cherry: Add I2C-HID touchscreen on I2C4
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>
Link: https://lore.kernel.org/r/20220704101321.44835-12-angelogioacchino.delregno@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Diffstat (limited to 'arch')
4 files changed, 40 insertions, 0 deletions
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 @@ 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 @@ 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 @@ 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 @@ 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 { |