[PATCH v2] N900: add device tree
Pavel Machek
pavel at ucw.cz
Thu Aug 1 19:43:56 EDT 2013
On Sun 2013-07-28 15:44:09, Pavel Machek wrote:
> On Mon 2013-07-15 01:28:19, Aaro Koskinen wrote:
> > Hi,
> >
> > On Sat, Jul 13, 2013 at 02:17:09PM +0200, Pavel Machek wrote:
> > >
> > > This adds device tree with neccessary support to boot with functional
> > > video (on both emulator and real N900 device).
> > >
> > > Signed-off-by: Pavel Machek <pavel at ucw.cz>
> >
> > You can also add:
> >
> > Signed-off-by: Aaro Koskinen <aaro.koskinen at iki.fi>
>
> Benoit, could you apply this? Tony said you are doing dts changes, and
> the patch seems to be ready.
Tony, Benoit was apparently abducted by aliens or something. Is there
chance you could take the patch?
Thanks,
Pavel
> > > From v1: Aaro wants just GPLv2, so I did that. I re-enabled parts that
> > > can be enabled on 3.10, and tested it on that kernel.
> > >
> > > diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> > > index f0895c5..1950aed 100644
> > > --- a/arch/arm/boot/dts/Makefile
> > > +++ b/arch/arm/boot/dts/Makefile
> > > @@ -141,6 +141,7 @@ dtb-$(CONFIG_ARCH_OMAP2PLUS) += omap2420-h4.dtb \
> > > omap3-devkit8000.dtb \
> > > omap3-beagle-xm.dtb \
> > > omap3-evm.dtb \
> > > + omap3-n900.dtb \
> > > omap3-tobi.dtb \
> > > omap3-igep0020.dtb \
> > > omap3-igep0030.dtb \
> > > diff --git a/arch/arm/boot/dts/omap3-n900.dts b/arch/arm/boot/dts/omap3-n900.dts
> > > new file mode 100644
> > > index 0000000..fb461bf
> > > --- /dev/null
> > > +++ b/arch/arm/boot/dts/omap3-n900.dts
> > > @@ -0,0 +1,92 @@
> > > +/*
> > > + * Copyright (C) 2013 Pavel Machek <pavel at ucw.cz>
> > > + * Copyright 2013 Aaro Koskinen <aaro.koskinen at iki.fi>
> > > + *
> > > + * This program is free software; you can redistribute it and/or modify
> > > + * it under the terms of the GNU General Public License version 2 as
> > > + * published by the Free Software Foundation.
> > > + */
> > > +
> > > +/dts-v1/;
> > > +
> > > +/include/ "omap34xx.dtsi"
> > > +
> > > +/ {
> > > + model = "Nokia N900";
> > > + compatible = "nokia,omap3-n900", "ti,omap3";
> > > +
> > > + cpus {
> > > + cpu at 0 {
> > > + cpu0-supply = <&vcc>;
> > > + };
> > > + };
> > > +
> > > + memory {
> > > + device_type = "memory";
> > > + reg = <0x80000000 0x10000000>; /* 256 MB */
> > > + };
> > > +
> > > +};
> > > +
> > > +&i2c1 {
> > > + clock-frequency = <2200000>;
> > > +
> > > + twl: twl at 48 {
> > > + reg = <0x48>;
> > > + interrupts = <7>; /* SYS_NIRQ cascaded to intc */
> > > + interrupt-parent = <&intc>;
> > > + };
> > > +};
> > > +
> > > +/include/ "twl4030.dtsi"
> > > +
> > > +&twl_gpio {
> > > + ti,pullups = <0x0>;
> > > + ti,pulldowns = <0x03ff3f>; /* BIT(0..5) | BIT(8..17) */
> > > +};
> > > +
> > > +&i2c2 {
> > > + clock-frequency = <400000>;
> > > +};
> > > +
> > > +&i2c3 {
> > > + clock-frequency = <100000>;
> > > +};
> > > +
> > > +&mmc1 {
> > > + status = "disabled";
> > > +};
> > > +
> > > +&mmc2 {
> > > + status = "disabled";
> > > +};
> > > +
> > > +&mmc3 {
> > > + status = "disabled";
> > > +};
> > > +
> > > +&mcspi1 {
> > > + // For some reason, touchscreen is neccessary for screen to work at
> > > + // all on real hw. It works well without it on emulator.
> > > + //
> > > + // Also... order in the device tree actually matters here.
> > > + tsc2005 at 0 {
> > > + compatible = "tsc2005";
> > > + spi-max-frequency = <6000000>;
> > > + reg = <0>;
> > > + };
> > > + mipid at 2 {
> > > + compatible = "acx565akm";
> > > + spi-max-frequency = <6000000>;
> > > + reg = <2>;
> > > + // turbo_mode = 0,
> > > + // cs_per_word = 0
> > > + };
> > > +};
> > > +
> > > +&usb_otg_hs {
> > > + interface-type = <0>;
> > > + usb-phy = <&usb2_phy>;
> > > + mode = <2>;
> > > + power = <50>;
> > > +};
> > >
> > > --
> > > (english) http://www.livejournal.com/~pavelmachek
> > > (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
>
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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