linux-kernel - Re: [linux-sunxi] [PATCH v4 4/9] pinctrl: sunxi: add support for the Allwinner H6 main pin controller

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Date:   Fri, 16 Mar 2018 17:07:28 +0000
From:   Andre Przywara <andre.przywara@....com>
To:     icenowy@...c.io, Rob Herring <robh+dt@...nel.org>,
        Maxime Ripard <maxime.ripard@...tlin.com>,
        Chen-Yu Tsai <wens@...e.org>,
        Linus Walleij <linus.walleij@...aro.org>
Cc:     linux-clk@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-gpio@...r.kernel.org, linux-sunxi@...glegroups.com
Subject: Re: [linux-sunxi] [PATCH v4 4/9] pinctrl: sunxi: add support for the
 Allwinner H6 main pin controller

Hi,

On 16/03/18 14:02, Icenowy Zheng wrote:
> The Allwinner H6 SoC has two pin controllers, one main controller
> (called CPUX-PORT in user manual) and one controller in CPUs power
> domain (called CPUS-PORT in user manual).
> 
> This commit introduces support for the main pin controller on H6.
> 
> The pin bank A and B are not wired out and hidden from the SoC's
> documents, however it's shown that the "ATE" (an AC200 chip
> co-packaged with the H6 die) is connected to the main SoC die via these
> pin banks. The information about these banks is just copied from the BSP
> pinctrl driver, but re-formatted to fit the mainline pinctrl driver
> format. The GPIO functions are dropped, as they're impossible to use --
> except a GPIO&IRQ only pin (PB20) which might be the IRQ of ATE.
> 
> Signed-off-by: Icenowy Zheng <icenowy@...c.io>
> Acked-by: Rob Herring <robh@...nel.org>

As mentioned before, I checked every single pin against the manual and
this looks correct to me.

Reviewed-by: Andre Przywara <andre.przywara@....com>

Thanks!
Andre.