From mboxrd@z Thu Jan 1 00:00:00 1970 From: hdegoede@redhat.com (Hans de Goede) Date: Tue, 13 Jan 2015 11:47:04 +0100 Subject: [PATCH 2/2] ARM: dts: sun8i: Enable lradc on a23-ippo-q8h-v5 In-Reply-To: <1421146024-17957-1-git-send-email-hdegoede@redhat.com> References: <1421146024-17957-1-git-send-email-hdegoede@redhat.com> Message-ID: <1421146024-17957-2-git-send-email-hdegoede@redhat.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org The a23-ippo-q8h tablets have volume up/down buttons using the lradc. This has been tested on both a v5 and a v1.2 tablet. Tested-by: Chen-Yu Tsai Signed-off-by: Hans de Goede --- arch/arm/boot/dts/sun8i-a23-ippo-q8h-v5.dts | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/arch/arm/boot/dts/sun8i-a23-ippo-q8h-v5.dts b/arch/arm/boot/dts/sun8i-a23-ippo-q8h-v5.dts index 1da31d0..623573e 100644 --- a/arch/arm/boot/dts/sun8i-a23-ippo-q8h-v5.dts +++ b/arch/arm/boot/dts/sun8i-a23-ippo-q8h-v5.dts @@ -52,6 +52,7 @@ #include "sunxi-common-regulators.dtsi" #include +#include #include / { @@ -86,6 +87,25 @@ }; }; + lradc: lradc at 01c22800 { + vref-supply = <®_vcc3v0>; + 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>; + }; + }; + i2c0: i2c at 01c2ac00 { pinctrl-names = "default"; pinctrl-0 = <&i2c0_pins_a>; -- 2.1.0