linux-kernel - Re: [PATCH v2 0/4] Add iomux-route switching support

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Date:   Sat, 27 May 2017 00:19:26 +0200
From:   Heiko Stuebner <heiko@...ech.de>
To:     David Wu <david.wu@...k-chips.com>
Cc:     linus.walleij@...aro.org, huangtao@...k-chips.com,
        dianders@...omium.org, linux-rockchip@...ts.infradead.org,
        linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 0/4] Add iomux-route switching support

Hi David,

Am Freitag, 26. Mai 2017, 15:20:19 CEST schrieb David Wu:
> The rk3228, rk3328, rk3399 have an interesting new feature,
> some things like one specific uart can use multiple pins to
> output data, but control of that seems to be split. The actual
> pin config is identical for all pins - each needs to be configured
> to function 2.
> 
> Use one pin of a specifc group to be set to its special pinmux function,
> then configure the corresponding routing bits. If the pinmux setting is
> wrong for that pin the ip block won't work correctly anyway.


the approach looks nice now, the whole series
Reviewed-by: Heiko Stuebner <heiko@...ech.de>


Thanks
Heiko


> David Wu (4):
>   pinctrl: rockchip: Add iomux-route switching support
>   pinctrl: rockchip: Add iomux-route switching support for rk3228
>   pinctrl: rockchip: Add iomux-route switching support for rk3328
>   pinctrl: rockchip: Add iomux-route switching support for rk3399
> 
>  drivers/pinctrl/pinctrl-rockchip.c | 321 ++++++++++++++++++++++++++++++++++++-
>  1 file changed, 320 insertions(+), 1 deletion(-)
> 
>