Re: [PATCH v4 1/4] gpio: syscon: rockchip: add GRF GPIO support for rk3328
From: Heiko Stuebner
Date: Wed Aug 01 2018 - 07:47:01 EST
Am Dienstag, 31. Juli 2018, 07:59:19 CEST schrieb djw@xxxxxxxxxxxxx:
> From: Levin Du <djw@xxxxxxxxxxxxx>
>
> In Rockchip RK3328, the output only GPIO_MUTE pin, originally for codec
> mute control, can also be used for general purpose. It is manipulated by
> the GRF_SOC_CON10 register in GRF. Aside from the GPIO_MUTE pin, the HDMI
> pins can also be set in the same way.
>
> Currently this GRF GPIO controller only supports the mute pin. If needed
> in the future, the HDMI pins support can also be added.
>
> Signed-off-by: Levin Du <djw@xxxxxxxxxxxxx>
Reviewed-by: Heiko Stuebner <heiko@xxxxxxxxx>
It looks like Linus (Torvalds) is doing an -rc8 this time [0] so we might
still be in time for 4.19 , depending on when this patch is going to be
applied ;-) .
Heiko
[0] https://lore.kernel.org/lkml/CA+55aFzHRaNMHxLCEa5Zke-1FgbQ4rtHf8-HOu0zBzo4Liz88A@xxxxxxxxxxxxxx/