[PATCH 1/7] arm/imx6: add imx6q sabrelite board support

[shawn.guo@freescale.com (Shawn Guo)]

On Mon, Dec 12, 2011 at 09:49:54PM +0800, Richard Zhao wrote:
> On Mon, Dec 12, 2011 at 07:41:17AM -0600, Rob Herring wrote:
> > On 12/11/2011 11:40 PM, Shawn Guo wrote:
> > > On Mon, Dec 12, 2011 at 11:42:26AM +0800, Richard Zhao wrote:
> > >> Signed-off-by: Richard Zhao <richard.zhao@linaro.org>
> > >> ---
> > >>  arch/arm/boot/dts/imx6q-sabrelite.dts |   54 +++++++++++++++++++++++++++++++++
> > >>  arch/arm/mach-imx/mach-imx6q.c        |    1 +
> > >>  2 files changed, 55 insertions(+), 0 deletions(-)
> > >>  create mode 100644 arch/arm/boot/dts/imx6q-sabrelite.dts
> > >>
> > >> diff --git a/arch/arm/boot/dts/imx6q-sabrelite.dts b/arch/arm/boot/dts/imx6q-sabrelite.dts
> > >> new file mode 100644
> > >> index 0000000..d54363f
> > >> --- /dev/null
> > >> +++ b/arch/arm/boot/dts/imx6q-sabrelite.dts
> > >> @@ -0,0 +1,54 @@
> > >> +/*
> > >> + * Copyright 2011 Freescale Semiconductor, Inc.
> > >> + * Copyright 2011 Linaro Ltd.
> > >> + *
> > >> + * The code contained herein is licensed under the GNU General Public
> > >> + * License. You may obtain a copy of the GNU General Public License
> > >> + * Version 2 or later at the following locations:
> > >> + *
> > >> + * http://www.opensource.org/licenses/gpl-license.html
> > >> + * http://www.gnu.org/copyleft/gpl.html
> > >> + */
> > >> +
> > >> +/dts-v1/;
> > >> +/include/ "imx6q.dtsi"
> > >> +
> > >> +/ {
> > >> +	model = "Freescale i.MX6 Quad SABRE Lite Board";
> > >> +	compatible = "fsl,imx6q-sabrelite", "fsl,imx6q";
> > >> +
> > >> +	chosen {
> > >> +		bootargs = "console=ttymxc1,115200";
> > >> +	};
> > >> +
> > > Maybe we can start dropping this, since kernel is now able to get
> > > bootargs from atags even in case that bootloader can not pass dtb
> > > and the dtb is appended to kernel image.
> > > 
> > >> +	memory {
> > >> +		reg = <0x10000000 0x40000000>;
> > >> +	};
> > >> +
> > >> +	soc {
> > >> +		aips-bus at 02100000 { /* AIPS2 */
> > >> +			enet at 02188000 {
> > >> +				phy-mode = "rgmii";
> > >> +				local-mac-address = [01 04 9F 01 1B 61];
> > > 
> > > Do we still have no way to figure the mac address from hardware setup
> > > (fuse or something) on sabrelite board?
> > > 
> > >> +				phy-reset-gpios = <&gpio2 23 0>; /* gpio3 23 */
> > > 
> > > Nit: If you want to comment it, please comment it in the consistent way,
> > > which is '/* GPIO3_23 */'.
> > 
> > Better yet, why don't you name the phandles starting at 1 so the comment
> > isn't needed at all.
> Good idea, but it needs another patch, because it effects all imx6 boards.
> Shawn, what do you think?
> 
When I was firstly working out the dts for imx51, I followed what most
dts files do, numbering phandle and label name from 0, while imx
reference manual happens to indexing hardware block from 1.  This
mismatch have been existing in kernel for long time, since kernel is
numbering platform device from 0 too.

I'm not really sure if there is a convention on this.  But since Rob
(as device tree maintainer) says it can be numbered from 1, I'm fine
to accept a patch fixing this up for all imx dts files.

-- 
Regards,
Shawn