usb: phy: samsung: Add support for USB 2.0 PHY on Exynos 4x12

This patch adds driver data for Exynos 4x12 USB 2.0 PHY.

Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>

diff --git a/drivers/usb/phy/phy-samsung-usb.h b/drivers/usb/phy/phy-samsung-usb.h
index 31e2ec3..585d12f 100644 (file)
--- a/drivers/usb/phy/phy-samsung-usb.h
+++ b/drivers/usb/phy/phy-samsung-usb.h
@@ -241,6 +241,7 @@
 enum samsung_cpu_type {
        TYPE_S3C64XX,
        TYPE_EXYNOS4210,
+       TYPE_EXYNOS4X12,
        TYPE_EXYNOS5250,
 };
 

diff --git a/drivers/usb/phy/phy-samsung-usb2.c b/drivers/usb/phy/phy-samsung-usb2.c
index 1c3abd4..03180c0 100644 (file)
--- a/drivers/usb/phy/phy-samsung-usb2.c
+++ b/drivers/usb/phy/phy-samsung-usb2.c
@@ -177,6 +177,7 @@ static void samsung_usb2phy_enable(struct samsung_usbphy *sphy)
                rstcon |= RSTCON_SWRST;
                break;
        case TYPE_EXYNOS4210:
+       case TYPE_EXYNOS4X12:
                phypwr &= ~PHYPWR_NORMAL_MASK_PHY0;
                rstcon |= RSTCON_SWRST;
        default:
@@ -240,6 +241,7 @@ static void samsung_usb2phy_disable(struct samsung_usbphy *sphy)
                phypwr |= PHYPWR_NORMAL_MASK;
                break;
        case TYPE_EXYNOS4210:
+       case TYPE_EXYNOS4X12:
                phypwr |= PHYPWR_NORMAL_MASK_PHY0;
        default:
                break;
@@ -451,6 +453,16 @@ static const struct samsung_usbphy_drvdata usb2phy_exynos4 = {
        .phy_disable            = samsung_usb2phy_disable,
 };
 
+static const struct samsung_usbphy_drvdata usb2phy_exynos4x12 = {
+       .cpu_type               = TYPE_EXYNOS4X12,
+       .devphy_en_mask         = EXYNOS_USBPHY_ENABLE,
+       .hostphy_en_mask        = EXYNOS_USBPHY_ENABLE,
+       .rate_to_clksel         = samsung_usbphy_rate_to_clksel_4x12,
+       .set_isolation          = samsung_usbphy_set_isolation_4210,
+       .phy_enable             = samsung_usb2phy_enable,
+       .phy_disable            = samsung_usb2phy_disable,
+};
+
 static struct samsung_usbphy_drvdata usb2phy_exynos5 = {
        .cpu_type               = TYPE_EXYNOS5250,
        .hostphy_en_mask        = EXYNOS_USBPHY_ENABLE,
@@ -470,6 +482,9 @@ static const struct of_device_id samsung_usbphy_dt_match[] = {
                .compatible = "samsung,exynos4210-usb2phy",
                .data = &usb2phy_exynos4,
        }, {
+               .compatible = "samsung,exynos4x12-usb2phy",
+               .data = &usb2phy_exynos4x12,
+       }, {
                .compatible = "samsung,exynos5250-usb2phy",
                .data = &usb2phy_exynos5
        },
@@ -486,6 +501,9 @@ static struct platform_device_id samsung_usbphy_driver_ids[] = {
                .name           = "exynos4210-usb2phy",
                .driver_data    = (unsigned long)&usb2phy_exynos4,
        }, {
+               .name           = "exynos4x12-usb2phy",
+               .driver_data    = (unsigned long)&usb2phy_exynos4x12,
+       }, {
                .name           = "exynos5250-usb2phy",
                .driver_data    = (unsigned long)&usb2phy_exynos5,
        },