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    Subject[PATCH v1 14/18] arm64: dts: mediatek: mt6795-xperia-m5: Add Synaptics RMI4 Touchscreen
    Date
    Add the RMI4 Touchscreen on I2C2 and its pin definitions.

    Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
    ---
    .../dts/mediatek/mt6795-sony-xperia-m5.dts | 35 +++++++++++++++++++
    1 file changed, 35 insertions(+)

    diff --git a/arch/arm64/boot/dts/mediatek/mt6795-sony-xperia-m5.dts b/arch/arm64/boot/dts/mediatek/mt6795-sony-xperia-m5.dts
    index 6df1c848e2d5..edab90f06a24 100644
    --- a/arch/arm64/boot/dts/mediatek/mt6795-sony-xperia-m5.dts
    +++ b/arch/arm64/boot/dts/mediatek/mt6795-sony-xperia-m5.dts
    @@ -71,6 +71,28 @@ &i2c2 {
    pinctrl-names = "default";
    pinctrl-0 = <&i2c2_pins>;
    status = "okay";
    +
    + touchscreen@20 {
    + compatible = "syna,rmi4-i2c";
    + reg = <0x20>;
    + #address-cells = <1>;
    + #size-cells = <0>;
    + interrupts-extended = <&pio 6 IRQ_TYPE_EDGE_FALLING>;
    + pinctrl-names = "default";
    + pinctrl-0 = <&ts_pins>;
    + syna,startup-delay-ms = <160>;
    + syna,reset-delay-ms = <90>;
    +
    + rmi4-f01@1 {
    + reg = <0x1>;
    + syna,nosleep-mode = <1>;
    + };
    +
    + rmi4-f12@12 {
    + reg = <0x12>;
    + syna,sensor-type = <1>;
    + };
    + };
    };

    &i2c3 {
    @@ -80,6 +102,19 @@ &i2c3 {
    };

    &pio {
    + ts_pins: touchscreen-pins {
    + pins-irq {
    + pinmux = <PINMUX_GPIO6__FUNC_GPIO6>;
    + bias-pull-up;
    + input-enable;
    + };
    +
    + pins-rst {
    + pinmux = <PINMUX_GPIO102__FUNC_GPIO102>;
    + output-high;
    + };
    + };
    +
    i2c0_pins: i2c0-pins {
    pins-bus {
    pinmux = <PINMUX_GPIO45__FUNC_SDA0>,
    --
    2.40.0
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