CC: jagan@amarulasolutions.com

вт, 12 мая 2020 г. в 21:25, Roman Stratiienko r.stratiienko@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/?i...

Fixes: 35fa673e0e5f ("sunxi: phy: Add USB PHY support for Allwinner H6") Signed-off-by: Roman Stratiienko r.stratiienko@gmail.com

---

CC: Ondrej Jirman megous@megous.com CC: Icenowy Zheng icenowy@aosc.io CC: Marek Vasut marex@denx.de CC: linux-sunxi@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