Re: [PATCH 3/3] pinctrl: bcm2835: bcm7211: Add support for 7211 pull-up functionality
From: Linus Walleij
Date: Thu May 16 2019 - 09:29:52 EST
On Thu, May 9, 2019 at 11:01 PM Florian Fainelli <f.fainelli@xxxxxxxxx> wrote:
> From: Al Cooper <alcooperx@xxxxxxxxx>
>
> The 7211 has a new way of selecting the pull-up/pull-down setting
> for a GPIO pin. The registers used for the bcm2837, GP_PUD and
> GP_PUDCLKn0, are no longer connected. A new set of registers,
> GP_GPIO_PUP_PDN_CNTRL_REGx must be used. This commit will add
> a new compatible string "brcm,bcm7211-gpio" and the kernel
> driver will use it to select which method is used to select
> pull-up/pull-down.
>
> Signed-off-by: Al Cooper <alcooperx@xxxxxxxxx>
> Signed-off-by: Florian Fainelli <f.fainelli@xxxxxxxxx>
Following the discussion with Stefan it appears this patch
needs more work, but you will only need to resend this
one patch.
Yours,
Linus Walleij