[U-Boot] arm: dts: am33xx: Sync dts with Linux 4.20.0

[Tom Rini]

On Wed, Dec 05, 2018 at 02:53:42PM +0100, Felix Brack wrote:

> This patch synchronizes the am33xx SoC specific files with those from
> Linux 4.20.0. Hence all board maintainers of am33xx based boards are
> on the cc list.
> The main purpose of this patch is to prevent further diverging of the
> dts files from U-Boot and those from Linux. It aims to set the stage
> for the synchronization of board specific dts files. Example: I'm the
> maintainer of the PDU001 board: once this patch is applied successfully
> I will make changes to the board specific dts file in Linux only and
> then post a patch with a copy of this exact dts file to U-Boot. This
> will make U-Boot and Linux remain in sync.
> The stumbling block of https://patchwork.ozlabs.org/patch/943627 was
> removed by the patch https://patchwork.ozlabs.org/patch/962428 from
> Lokesh Vutla (many thanks!). This omap-serial driver allows using the
> Linux am33xx.dtsi file in U-Boot.
> Other changes to dts and dtsi files made by this patch are mainly to
> prevent _new_ warnings during the build process. Especially the warning
> at pinmux at 800 stating 'unnecessary #address-cells/#size-cells without
> "ranges" or child "reg"' was not removed. This warning is a good example
> showing the benefit of the synchronization: if it needs to be fixed it
> will be fixed in Linux and ported back to U-Boot.
> Buildman reports all 46 am33xx SoC based boards to build fine, with
> warnings of course. Nevertheless this patch should be tested thoroughly
> on as many boards as possible to prevent any collateral damage.
> 
> Signed-off-by: Felix Brack <fb at ltec.ch>
> Reviewed-by: Tom Rini <trini at konsulko.com>

Applied to u-boot/master, thanks!

-- 
Tom
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