From mboxrd@z Thu Jan 1 00:00:00 1970 From: wens@csie.org (Chen-Yu Tsai) Date: Fri, 31 Jul 2015 22:40:58 +0800 Subject: [PATCH v2 1/2] ARM: dts: sun5i: hsg-h702: Enable side volume buttons with LRADC In-Reply-To: <1438353659-3360-1-git-send-email-wens@csie.org> References: <1438353659-3360-1-git-send-email-wens@csie.org> Message-ID: <1438353659-3360-2-git-send-email-wens@csie.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org The tablet has volume up/down buttons on the side, connected to the LRADC. Signed-off-by: Chen-Yu Tsai --- arch/arm/boot/dts/sun5i-a13-hsg-h702.dts | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/arch/arm/boot/dts/sun5i-a13-hsg-h702.dts b/arch/arm/boot/dts/sun5i-a13-hsg-h702.dts index 990f9d61ae4d..4b8808ab9711 100644 --- a/arch/arm/boot/dts/sun5i-a13-hsg-h702.dts +++ b/arch/arm/boot/dts/sun5i-a13-hsg-h702.dts @@ -45,6 +45,7 @@ #include "sunxi-common-regulators.dtsi" #include +#include #include / { @@ -96,6 +97,25 @@ status = "okay"; }; +&lradc { + vref-supply = <®_ldo2>; + status = "okay"; + + button at 200 { + label = "Volume Up"; + linux,code = ; + channel = <0>; + voltage = <200000>; + }; + + button at 400 { + label = "Volume Down"; + linux,code = ; + channel = <0>; + voltage = <400000>; + }; +}; + &mmc0 { pinctrl-names = "default"; pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_h702>; -- 2.5.0