[PATCH] tegra: fdt: Add tegra186-u-boot.dtsi

[Simon Glass]

Hi Stephen,

On Tue, 7 Jan 2020 at 11:18, Stephen Warren <swarren at wwwdotorg.org> wrote:
>
> From: Stephen Warren <swarren at nvidia.com>
>
> All Tegra chips except Tegra186 have a tegraNNN-u-boot.dtsi. Duplicate
> Tegra210's copy of this file for Tegra186. This ensures that a /binman node
> exists in U-Boot's control DT. Subsequent to 3c10dc95bdd0 ("binman: Add a
> library to access binman entries") this appears to be required. I haven't
> really investigated why all this is necessary or how it works, but simply
> observed the boot failure listed below, bisected it, noticed the
> inconsistency in DT files, and found that fixing it resolved the boot
> issue.

If CONFIG_BINMAN is enabled, binman_init() is called and expects to
find a /binman node.

>
>     U-Boot 2020.01-rc4-00256-g3c10dc95bdd0 (Jan 07 2020 - 10:25:00 -0700)
>
>     SoC: tegra186
>     Model: NVIDIA P2771-0000-500
>     Board: NVIDIA P2771-0000
>     DRAM:  7.8 GiB
>     initcall sequence 00000000fffb7858 failed at call 00000000800955a8 (err=-22)
>     ### ERROR ### Please RESET the board ###
>
> Fixes: 3c10dc95bdd0 ("binman: Add a library to access binman entries")
> Fixes: f2faffecb016 ("binman: tegra: Convert to use binman")
> Signed-off-by: Stephen Warren <swarren at nvidia.com>
> ---
>  arch/arm/dts/tegra186-u-boot.dtsi | 3 +++
>  1 file changed, 3 insertions(+)
>  create mode 100644 arch/arm/dts/tegra186-u-boot.dtsi

Reviewed-by: Simon Glass <sjg at chromium.org>