From mboxrd@z Thu Jan 1 00:00:00 1970 From: wens@csie.org (Chen-Yu Tsai) Date: Tue, 16 Aug 2016 11:03:00 +0800 Subject: [PATCH 6/8] ARM: dts: sun8i: Add touchscreen node for sun8i-a23-polaroid-mid2407pxe03 In-Reply-To: <1470685398-14568-6-git-send-email-hdegoede@redhat.com> References: <1470685398-14568-1-git-send-email-hdegoede@redhat.com> <1470685398-14568-6-git-send-email-hdegoede@redhat.com> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi, On Tue, Aug 9, 2016 at 3:43 AM, Hans de Goede wrote: > Add a node enabling the gsl1680 touchscreen controller found on > sun8i-a23-polaroid-mid2407pxe03 tablets. > > Signed-off-by: Hans de Goede > --- > arch/arm/boot/dts/sun8i-a23-polaroid-mid2407pxe03.dts | 17 +++++++++++++++++ > 1 file changed, 17 insertions(+) > > diff --git a/arch/arm/boot/dts/sun8i-a23-polaroid-mid2407pxe03.dts b/arch/arm/boot/dts/sun8i-a23-polaroid-mid2407pxe03.dts > index e300442..cd64fd61 100644 > --- a/arch/arm/boot/dts/sun8i-a23-polaroid-mid2407pxe03.dts > +++ b/arch/arm/boot/dts/sun8i-a23-polaroid-mid2407pxe03.dts > @@ -48,3 +48,20 @@ > model = "Polaroid MID2407PXE03 tablet"; > compatible = "polaroid,mid2407pxe03", "allwinner,sun8i-a23"; > }; > + > +&gsl1680 { > + touchscreen-size-x = <960>; > + touchscreen-size-y = <640>; > + touchscreen-inverted-x; > + touchscreen-inverted-y; > + touchscreen-fw-name = "silead/gsl1680-polaroid-mid2407pxe03.fw"; > + status = "okay"; > +}; > + > +®_ldo_io1 { > + regulator-always-on; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + regulator-name = "vcc-touchscreen"; > + status = "okay"; > +}; This looks good, but it would be better if the touchscreen node took the regulator as a supply. Regards ChenYu