[U-Boot] [PATCH] net: gmac_rockchip: Add support for pinctrl

[Simon Glass <sjg@chromium.org>]

+Philipp

Hi Romain,

On 3 July 2017 at 01:13, Romain Perier <romain.perier@collabora.com> wrote:
> Currently, selecting state simple is done by the device driver model,
> prior probing the driver. The problem is that it's done and called on
> the pinctrl node with "gmac" as the "periph" struct udevice *. So
> pinctrl-rk3288 is looking for an interrupt property that is not found,
> and then gmac_config is never called.
>
> This commits toggles the pinctrl on the right node from the probe
> function of the driver.

Is it possible to fix this while still using driver-model automatic pinctrl?

>
> Signed-off-by: Romain Perier <romain.perier@collabora.com>
> ---
>  drivers/net/gmac_rockchip.c | 4 ++++
>  1 file changed, 4 insertions(+)
>
> diff --git a/drivers/net/gmac_rockchip.c b/drivers/net/gmac_rockchip.c
> index 5e2ca76302..8581026b4a 100644
> --- a/drivers/net/gmac_rockchip.c
> +++ b/drivers/net/gmac_rockchip.c
> @@ -160,6 +160,10 @@ static int gmac_rockchip_probe(struct udevice *dev)
>         struct clk clk;
>         int ret;
>
> +       ret = pinctrl_select_state(dev, "simple");
> +       if (ret)
> +               return ret;
> +
>         ret = clk_get_by_index(dev, 0, &clk);
>         if (ret)
>                 return ret;
> --
> 2.11.0
>

Regards,
Simon