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authorBrian Norris <briannorris@chromium.org>2017-03-20 16:53:44 -0700
committerHeiko Stuebner <heiko@sntech.de>2017-03-23 00:51:58 +0100
commitb9ed79fa91c5271ca166dfde99883ca3afb190fe (patch)
tree78d790c8893aaa99054b74383ce66b40b9df5a80
parentacaa71a6c746df80b33ace88689b336de96e833e (diff)
arm64: dts: rockchip: add regulator info for Kevin digitizerv4.12-rockchip-dts64-symlinks-1
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 <briannorris@chromium.org> [store chip ident as comment until i2c multi-compatibles are sorted] Signed-off-by: Heiko Stuebner <heiko@sntech.de>
-rw-r--r--arch/arm64/boot/dts/rockchip/rk3399-gru-kevin.dts4
1 files changed, 4 insertions, 0 deletions
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>;