[PATCH] ARM: dts: sun4i: Add initial dts for Gemei G9 tablet
Maxime Ripard
maxime.ripard at free-electrons.com
Sat Jan 24 06:39:45 PST 2015
Hi,
On Fri, Jan 23, 2015 at 11:59:35PM +0200, Priit Laes wrote:
>
> On Fri, 2015-01-23 at 22:22 +0100, Maxime Ripard wrote:
> > On Fri, Jan 23, 2015 at 10:36:49PM +0200, Priit Laes wrote:
> > > Gemei G9 is an A10 based tablet, with 1G RAM, 16G NAND, 1024x768
> > > IPS LCD display, stereo speakers, 1.3MP front camera and 5 MP
> > > rear camera, 8000mAh battery, GT901 2+1 touchscreen, Bosch BMA250
> > > accelerometer and RTL8188CUS USB wifi. It also has MicroSD slot,
> > > miniHDMI, 1 x MicroUSB OTG port and 1 x MicroUSB host port and
> > > 3.5mm headphone jack.
> > > More details are available at: http://linux-sunxi.org/Gemei_G9
> > >
> [..]
> > >
> > > +/ {
> > > + model = "Gemei G9 Tablet";
> > > + compatible = "gemei,g9", "allwinner,sun4i-a10";
> > > +};
> > > +
> > > +/*
> > > + * http://linux-sunxi.org/Gemei_G9
> >
> > Please don't put URL in the DT. This is very likely to change in the
> > future, and won't be valid anymore.
>
> OK! The URL in commit message is ok to stay?
Yeah, I'm not that fond of it, but it's not that important either.
> > > +&i2c1 {
> > > + pinctrl-names = "default";
> > > + pinctrl-0 = <&i2c1_pins_a>;
> > > + status = "okay";
> > > +
> > > + /* Accelerometer */
> > > + bma250 at 18 {
> > > + compatible = "bosch,bma250";
> > > + reg = <0x18>;
> >
> > Is there a driver for this? It looks weird that it doesn't need more
> > properties than that.
>
> Yes, it's supported by drivers/iio/accel/bma180.c though I have to
> admit that this name is a bit misleading. (bosch-bma.c would
> better, I guess).
>
> And I was a bit surprised that it worked out of the box too, but the
> device was present under /sys and I was able to read x, y, z and
> temperature values.
Cool :)
There's no interrupt wired to it then?
Maxime
--
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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