From b9ed79fa91c5271ca166dfde99883ca3afb190fe Mon Sep 17 00:00:00 2001 From: Brian Norris Date: Mon, 20 Mar 2017 16:53:44 -0700 Subject: arm64: dts: rockchip: add regulator info for Kevin digitizer We need to enable this regulator before the digitizer can be used. Wacom recommended waiting for 100 ms before talking to the HID. Signed-off-by: Brian Norris [store chip ident as comment until i2c multi-compatibles are sorted] Signed-off-by: Heiko Stuebner --- arch/arm64/boot/dts/rockchip/rk3399-gru-kevin.dts | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3399-gru-kevin.dts b/arch/arm64/boot/dts/rockchip/rk3399-gru-kevin.dts index fd24071320be..658bb9dc9dfd 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-gru-kevin.dts +++ b/arch/arm64/boot/dts/rockchip/rk3399-gru-kevin.dts @@ -223,11 +223,15 @@ ap_i2c_dig: &i2c2 { i2c-scl-rising-time-ns = <300>; digitizer: digitizer@9 { + /* wacom,w9013 */ compatible = "hid-over-i2c"; reg = <0x9>; pinctrl-names = "default"; pinctrl-0 = <&cpu1_dig_irq_l &cpu1_dig_pdct_l>; + vdd-supply = <&p3_3v_dig>; + post-power-on-delay-ms = <100>; + interrupt-parent = <&gpio2>; interrupts = <4 IRQ_TYPE_LEVEL_LOW>; -- cgit v1.2.3