phy: samsung: Add support for the Exynos5420 variant of the USB2 PHY

[platform/kernel/linux-starfive.git] / drivers / phy / samsung / phy-exynos5250-usb2.c

diff --git a/drivers/phy/samsung/phy-exynos5250-usb2.c b/drivers/phy/samsung/phy-exynos5250-usb2.c
index 4f53b71..e198010 100644 (file)
--- a/drivers/phy/samsung/phy-exynos5250-usb2.c
+++ b/drivers/phy/samsung/phy-exynos5250-usb2.c
@@ -117,9 +117,9 @@
 
 /* Isolation, configured in the power management unit */
 #define EXYNOS_5250_USB_ISOL_OTG_OFFSET                0x704
-#define EXYNOS_5250_USB_ISOL_OTG               BIT(0)
 #define EXYNOS_5250_USB_ISOL_HOST_OFFSET       0x708
-#define EXYNOS_5250_USB_ISOL_HOST              BIT(0)
+#define EXYNOS_5420_USB_ISOL_HOST_OFFSET       0x70C
+#define EXYNOS_5250_USB_ISOL_ENABLE            BIT(0)
 
 /* Mode swtich register */
 #define EXYNOS_5250_MODE_SWITCH_OFFSET         0x230
@@ -132,7 +132,6 @@ enum exynos4x12_phy_id {
        EXYNOS5250_HOST,
        EXYNOS5250_HSIC0,
        EXYNOS5250_HSIC1,
-       EXYNOS5250_NUM_PHYS,
 };
 
 /*
@@ -176,20 +175,19 @@ static void exynos5250_isol(struct samsung_usb2_phy_instance *inst, bool on)
 {
        struct samsung_usb2_phy_driver *drv = inst->drv;
        u32 offset;
-       u32 mask;
+       u32 mask = EXYNOS_5250_USB_ISOL_ENABLE;
 
-       switch (inst->cfg->id) {
-       case EXYNOS5250_DEVICE:
+       if (drv->cfg == &exynos5250_usb2_phy_config &&
+           inst->cfg->id == EXYNOS5250_DEVICE)
                offset = EXYNOS_5250_USB_ISOL_OTG_OFFSET;
-               mask = EXYNOS_5250_USB_ISOL_OTG;
-               break;
-       case EXYNOS5250_HOST:
+       else if (drv->cfg == &exynos5250_usb2_phy_config &&
+                inst->cfg->id == EXYNOS5250_HOST)
                offset = EXYNOS_5250_USB_ISOL_HOST_OFFSET;
-               mask = EXYNOS_5250_USB_ISOL_HOST;
-               break;
-       default:
+       else if (drv->cfg == &exynos5420_usb2_phy_config &&
+                inst->cfg->id == EXYNOS5250_HOST)
+               offset = EXYNOS_5420_USB_ISOL_HOST_OFFSET;
+       else
                return;
-       }
 
        regmap_update_bits(drv->reg_pmu, offset, mask, on ? 0 : mask);
 }
@@ -390,9 +388,31 @@ static const struct samsung_usb2_common_phy exynos5250_phys[] = {
        },
 };
 
+static const struct samsung_usb2_common_phy exynos5420_phys[] = {
+       {
+               .label          = "host",
+               .id             = EXYNOS5250_HOST,
+               .power_on       = exynos5250_power_on,
+               .power_off      = exynos5250_power_off,
+       },
+       {
+               .label          = "hsic",
+               .id             = EXYNOS5250_HSIC0,
+               .power_on       = exynos5250_power_on,
+               .power_off      = exynos5250_power_off,
+       },
+};
+
 const struct samsung_usb2_phy_config exynos5250_usb2_phy_config = {
        .has_mode_switch        = 1,
-       .num_phys               = EXYNOS5250_NUM_PHYS,
+       .num_phys               = ARRAY_SIZE(exynos5250_phys),
        .phys                   = exynos5250_phys,
        .rate_to_clk            = exynos5250_rate_to_clk,
 };
+
+const struct samsung_usb2_phy_config exynos5420_usb2_phy_config = {
+       .has_mode_switch        = 1,
+       .num_phys               = ARRAY_SIZE(exynos5420_phys),
+       .phys                   = exynos5420_phys,
+       .rate_to_clk            = exynos5250_rate_to_clk,
+};