Add a node for the ESWIN EPH8621 touchscreen connected via SPI and the pinctrl state for the two GPIOs connected to the touchscreen.
Signed-off-by: Luca Weiss <[email protected]> --- arch/arm64/boot/dts/qcom/milos-fairphone-fp6.dts | 29 +++++++++++++++++++++++- 1 file changed, 28 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/qcom/milos-fairphone-fp6.dts b/arch/arm64/boot/dts/qcom/milos-fairphone-fp6.dts index 4b7ae87270ac..498fde3d3d18 100644 --- a/arch/arm64/boot/dts/qcom/milos-fairphone-fp6.dts +++ b/arch/arm64/boot/dts/qcom/milos-fairphone-fp6.dts @@ -983,7 +983,27 @@ &sdhc_2 { }; &spi0 { - /* Eswin EPH8621 touchscreen @ 0 */ + status = "okay"; + + touchscreen@0 { + compatible = "eswin,eph8621"; + reg = <0>; + + avdd-supply = <&vreg_l22b>; + vddio-supply = <&vreg_l9b>; + + interrupts-extended = <&tlmm 19 IRQ_TYPE_LEVEL_LOW>; + reset-gpios = <&tlmm 20 GPIO_ACTIVE_LOW>; + + pinctrl-0 = <&touchscreen_default>; + pinctrl-names = "default"; + + spi-max-frequency = <2000000>; + + touchscreen-size-x = <1116>; + touchscreen-size-y = <2484>; + touchscreen-inverted-x; + }; }; &tlmm { @@ -991,6 +1011,13 @@ &tlmm { <13 1>, /* NC */ <63 2>; /* WLAN UART */ + touchscreen_default: touchscreen-default-state { + pins = "gpio19", "gpio20"; + function = "gpio"; + drive-strength = <2>; + bias-disable; + }; + sdc2_card_det_n: sdc2-card-det-state { pins = "gpio65"; function = "gpio"; -- 2.55.0
