phy: sun4i-usb: add support for H6 USB2 PHY

The USB 2.0 PHY on Allwinner H6 SoC is similar to older Allwinner SoCs,
with some USB0 quirk like A83T and PHY index 1/2 missing.

Add support for it.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>

diff --git a/drivers/phy/allwinner/phy-sun4i-usb.c b/drivers/phy/allwinner/phy-sun4i-usb.c
index 881078f..ae16854 100644 (file)
--- a/drivers/phy/allwinner/phy-sun4i-usb.c
+++ b/drivers/phy/allwinner/phy-sun4i-usb.c
@@ -115,6 +115,7 @@ enum sun4i_usb_phy_type {
        sun8i_r40_phy,
        sun8i_v3s_phy,
        sun50i_a64_phy,
+       sun50i_h6_phy,
 };
 
 struct sun4i_usb_phy_cfg {
@@ -295,7 +296,8 @@ 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->index == 0) {
                        val = readl(data->base + data->cfg->phyctl_offset);
                        val |= PHY_CTL_VBUSVLDEXT;
@@ -344,7 +346,8 @@ static int sun4i_usb_phy_exit(struct phy *_phy)
        struct sun4i_usb_phy_data *data = to_sun4i_usb_phy_data(phy);
 
        if (phy->index == 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;
 
@@ -959,6 +962,17 @@ static const struct sun4i_usb_phy_cfg sun50i_a64_cfg = {
        .phy0_dual_route = true,
 };
 
+static const struct sun4i_usb_phy_cfg sun50i_h6_cfg = {
+       .num_phys = 4,
+       .type = sun50i_h6_phy,
+       .disc_thresh = 3,
+       .phyctl_offset = REG_PHYCTL_A33,
+       .dedicated_clocks = true,
+       .enable_pmu_unk1 = true,
+       .phy0_dual_route = true,
+       .missing_phys = BIT(1) | BIT(2),
+};
+
 static const struct of_device_id sun4i_usb_phy_of_match[] = {
        { .compatible = "allwinner,sun4i-a10-usb-phy", .data = &sun4i_a10_cfg },
        { .compatible = "allwinner,sun5i-a13-usb-phy", .data = &sun5i_a13_cfg },
@@ -972,6 +986,7 @@ static const struct of_device_id sun4i_usb_phy_of_match[] = {
        { .compatible = "allwinner,sun8i-v3s-usb-phy", .data = &sun8i_v3s_cfg },
        { .compatible = "allwinner,sun50i-a64-usb-phy",
          .data = &sun50i_a64_cfg},
+       { .compatible = "allwinner,sun50i-h6-usb-phy", .data = &sun50i_h6_cfg },
        { },
 };
 MODULE_DEVICE_TABLE(of, sun4i_usb_phy_of_match);