From mboxrd@z Thu Jan 1 00:00:00 1970 From: hdegoede@redhat.com (Hans de Goede) Date: Sun, 11 Sep 2016 20:23:25 +0200 Subject: [PATCH 3/5] ARM: dts: sun8i: Add touchscreen node for sun8i-a23-polaroid-mid2407pxe03 In-Reply-To: <20160911182327.824-1-hdegoede@redhat.com> References: <20160911182327.824-1-hdegoede@redhat.com> Message-ID: <20160911182327.824-4-hdegoede@redhat.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Add a node enabling the gsl1680 touchscreen controller found on sun8i-a23-polaroid-mid2407pxe03 tablets. Signed-off-by: Hans de Goede --- Changes in v2: -Make ldo_io1 vddio-supply for the touchscreen rather then marking it as regulator-always-on --- arch/arm/boot/dts/sun8i-a23-polaroid-mid2407pxe03.dts | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/arch/arm/boot/dts/sun8i-a23-polaroid-mid2407pxe03.dts b/arch/arm/boot/dts/sun8i-a23-polaroid-mid2407pxe03.dts index 4789aac..6662127 100644 --- a/arch/arm/boot/dts/sun8i-a23-polaroid-mid2407pxe03.dts +++ b/arch/arm/boot/dts/sun8i-a23-polaroid-mid2407pxe03.dts @@ -90,3 +90,22 @@ allwinner,pull = ; }; }; + +®_ldo_io1 { + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-name = "vcc-touchscreen"; + status = "okay"; +}; + +&touchscreen { + reg = <0x40>; + compatible = "silead,gsl1680"; + firmware-name = "gsl1680-polaroid-mid2407pxe03.fw"; + touchscreen-size-x = <960>; + touchscreen-size-y = <640>; + touchscreen-inverted-x; + touchscreen-inverted-y; + vddio-supply = <®_ldo_io1>; + status = "okay"; +}; -- 2.9.3