phy: sun4i-usb: add support for V3s USB PHY

Allwinner V3s come with a USB PHY controller slightly different to other
SoCs, with only one PHY.

Add support for it.

Signed-off-by: Icenowy Zheng <icenowy@aosc.xyz>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>

diff --git a/Documentation/devicetree/bindings/phy/sun4i-usb-phy.txt b/Documentation/devicetree/bindings/phy/sun4i-usb-phy.txt
index 287150d..e423342 100644 (file)
--- a/Documentation/devicetree/bindings/phy/sun4i-usb-phy.txt
+++ b/Documentation/devicetree/bindings/phy/sun4i-usb-phy.txt
@@ -10,6 +10,7 @@ Required properties:
   * allwinner,sun8i-a23-usb-phy
   * allwinner,sun8i-a33-usb-phy
   * allwinner,sun8i-h3-usb-phy
+  * allwinner,sun8i-v3s-usb-phy
   * allwinner,sun50i-a64-usb-phy
 - reg : a list of offset + length pairs
 - reg-names :

diff --git a/drivers/phy/phy-sun4i-usb.c b/drivers/phy/phy-sun4i-usb.c
index bf28a0f..4102841 100644 (file)
--- a/drivers/phy/phy-sun4i-usb.c
+++ b/drivers/phy/phy-sun4i-usb.c
@@ -99,6 +99,7 @@ enum sun4i_usb_phy_type {
        sun6i_a31_phy,
        sun8i_a33_phy,
        sun8i_h3_phy,
+       sun8i_v3s_phy,
        sun50i_a64_phy,
 };
 
@@ -188,7 +189,8 @@ static void sun4i_usb_phy_write(struct sun4i_usb_phy *phy, u32 addr, u32 data,
        spin_lock_irqsave(&phy_data->reg_lock, flags);
 
        if (phy_data->cfg->type == sun8i_a33_phy ||
-           phy_data->cfg->type == sun50i_a64_phy) {
+           phy_data->cfg->type == sun50i_a64_phy ||
+           phy_data->cfg->type == sun8i_v3s_phy) {
                /* A33 or A64 needs us to set phyctl to 0 explicitly */
                writel(0, phyctl);
        }
@@ -825,6 +827,15 @@ static const struct sun4i_usb_phy_cfg sun8i_h3_cfg = {
        .enable_pmu_unk1 = true,
 };
 
+static const struct sun4i_usb_phy_cfg sun8i_v3s_cfg = {
+       .num_phys = 1,
+       .type = sun8i_v3s_phy,
+       .disc_thresh = 3,
+       .phyctl_offset = REG_PHYCTL_A33,
+       .dedicated_clocks = true,
+       .enable_pmu_unk1 = true,
+};
+
 static const struct sun4i_usb_phy_cfg sun50i_a64_cfg = {
        .num_phys = 2,
        .type = sun50i_a64_phy,
@@ -842,6 +853,7 @@ static const struct of_device_id sun4i_usb_phy_of_match[] = {
        { .compatible = "allwinner,sun8i-a23-usb-phy", .data = &sun8i_a23_cfg },
        { .compatible = "allwinner,sun8i-a33-usb-phy", .data = &sun8i_a33_cfg },
        { .compatible = "allwinner,sun8i-h3-usb-phy", .data = &sun8i_h3_cfg },
+       { .compatible = "allwinner,sun8i-v3s-usb-phy", .data = &sun8i_v3s_cfg },
        { .compatible = "allwinner,sun50i-a64-usb-phy",
          .data = &sun50i_a64_cfg},
        { },