From b35ceabc94eecfeb811a360aec39f8941bbf4e24 Mon Sep 17 00:00:00 2001 From: Sugar Zhang Date: Fri, 27 Mar 2020 20:00:00 +0800 Subject: [PATCH] dt-bindings: sound: rockchip: Add spk-ctl for audiopwm Change-Id: I4b0149397ffb5e9054ea94ee39ce45182f997604 Signed-off-by: Sugar Zhang --- Documentation/devicetree/bindings/sound/rockchip,audio-pwm.txt | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/sound/rockchip,audio-pwm.txt b/Documentation/devicetree/bindings/sound/rockchip,audio-pwm.txt index 042c7ac5109d..6c0616413886 100644 --- a/Documentation/devicetree/bindings/sound/rockchip,audio-pwm.txt +++ b/Documentation/devicetree/bindings/sound/rockchip,audio-pwm.txt @@ -22,6 +22,7 @@ Optional properties: - rockchip,sample-width-bits: Output sampling data width,the value ranges from 8 to 11 bits. - rockchip,interpolat-points-cfg: Interpolation rate,the value must be 1/3/7/15 points, if this is set,the linear interpolation mode will be turned on. +- spk-ctl-gpios: The gpio of speak controller. Example for Audio PWM controller: @@ -36,5 +37,6 @@ audpwm: audpwm@ff840000 { pinctrl-0 = <&audpwmm0_pins>; rockchip,sample-width-bits = <11>; rockchip,interpolat-points = <1>; + spk-ctl-gpios = <&gpio0 RK_PC0 GPIO_ACTIVE_HIGH>; status = "disabled"; };