[PATCH] phy: sun4i-usb: Align H6 initialization logic with the kernel

[Roman Stratiienko]

CC: jagan at amarulasolutions.com


вт, 12 мая 2020 г. в 21:25, Roman Stratiienko <r.stratiienko at gmail.com>:
>
> H6 SOC needs additional initialization of PHY registers. Corresponding
> changes can be found in the kernel patch [1].
>
> Without this changes there is no enumeration of 'musb' gadget.
>
> [1] - https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ae409cc7c3cdb9ac4a1dba3eae70efec3d6b6c79
>
> Fixes: 35fa673e0e5f ("sunxi: phy: Add USB PHY support for Allwinner H6")
> Signed-off-by: Roman Stratiienko <r.stratiienko at gmail.com>
> ---
> CC: Ondrej Jirman <megous at megous.com>
> CC: Icenowy Zheng <icenowy at aosc.io>
> CC: Marek Vasut <marex at denx.de>
> CC: linux-sunxi at googlegroups.com
> ---
>  drivers/phy/allwinner/phy-sun4i-usb.c | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/phy/allwinner/phy-sun4i-usb.c b/drivers/phy/allwinner/phy-sun4i-usb.c
> index 612c428cf5..688ee7d4cc 100644
> --- a/drivers/phy/allwinner/phy-sun4i-usb.c
> +++ b/drivers/phy/allwinner/phy-sun4i-usb.c
> @@ -279,7 +279,8 @@ static int sun4i_usb_phy_init(struct phy *phy)
>                 return ret;
>         }
>
> -       if (data->cfg->type == sun8i_a83t_phy) {
> +       if (data->cfg->type == sun8i_a83t_phy ||
> +           data->cfg->type == sun50i_h6_phy) {
>                 if (phy->id == 0) {
>                         val = readl(data->base + data->cfg->phyctl_offset);
>                         val |= PHY_CTL_VBUSVLDEXT;
> @@ -321,7 +322,8 @@ static int sun4i_usb_phy_exit(struct phy *phy)
>         int ret;
>
>         if (phy->id == 0) {
> -               if (data->cfg->type == sun8i_a83t_phy) {
> +               if (data->cfg->type == sun8i_a83t_phy ||
> +                   data->cfg->type == sun50i_h6_phy) {
>                         void __iomem *phyctl = data->base +
>                                 data->cfg->phyctl_offset;
>
> --
> 2.25.1
>