diff options
Diffstat (limited to 'drivers/phy/mediatek/phy-mtk-tphy.c')
| -rw-r--r-- | drivers/phy/mediatek/phy-mtk-tphy.c | 42 |
1 files changed, 41 insertions, 1 deletions
diff --git a/drivers/phy/mediatek/phy-mtk-tphy.c b/drivers/phy/mediatek/phy-mtk-tphy.c index e3baad78521f..402385f2562a 100644 --- a/drivers/phy/mediatek/phy-mtk-tphy.c +++ b/drivers/phy/mediatek/phy-mtk-tphy.c @@ -27,6 +27,7 @@ /* banks shared by multiple phys */ #define SSUSB_SIFSLV_V1_SPLLC 0x000 /* shared by u3 phys */ #define SSUSB_SIFSLV_V1_U2FREQ 0x100 /* shared by u2 phys */ +#define SSUSB_SIFSLV_V1_CHIP 0x300 /* shared by u3 phys */ /* u2 phy bank */ #define SSUSB_SIFSLV_V1_U2PHY_COM 0x000 /* u3/pcie/sata phy banks */ @@ -95,9 +96,11 @@ #define U3P_U2PHYDTM1 0x06C #define P2C_RG_UART_EN BIT(16) +#define P2C_FORCE_IDDIG BIT(9) #define P2C_RG_VBUSVALID BIT(5) #define P2C_RG_SESSEND BIT(4) #define P2C_RG_AVALID BIT(2) +#define P2C_RG_IDDIG BIT(1) #define U3P_U3_CHIP_GPIO_CTLD 0x0c #define P3C_REG_IP_SW_RST BIT(31) @@ -584,6 +587,31 @@ static void u2_phy_instance_exit(struct mtk_tphy *tphy, } } +static void u2_phy_instance_set_mode(struct mtk_tphy *tphy, + struct mtk_phy_instance *instance, + enum phy_mode mode) +{ + struct u2phy_banks *u2_banks = &instance->u2_banks; + u32 tmp; + + tmp = readl(u2_banks->com + U3P_U2PHYDTM1); + switch (mode) { + case PHY_MODE_USB_DEVICE: + tmp |= P2C_FORCE_IDDIG | P2C_RG_IDDIG; + break; + case PHY_MODE_USB_HOST: + tmp |= P2C_FORCE_IDDIG; + tmp &= ~P2C_RG_IDDIG; + break; + case PHY_MODE_USB_OTG: + tmp &= ~(P2C_FORCE_IDDIG | P2C_RG_IDDIG); + break; + default: + return; + } + writel(tmp, u2_banks->com + U3P_U2PHYDTM1); +} + static void pcie_phy_instance_init(struct mtk_tphy *tphy, struct mtk_phy_instance *instance) { @@ -762,7 +790,7 @@ static void phy_v1_banks_init(struct mtk_tphy *tphy, case PHY_TYPE_USB3: case PHY_TYPE_PCIE: u3_banks->spllc = tphy->sif_base + SSUSB_SIFSLV_V1_SPLLC; - u3_banks->chip = NULL; + u3_banks->chip = tphy->sif_base + SSUSB_SIFSLV_V1_CHIP; u3_banks->phyd = instance->port_base + SSUSB_SIFSLV_V1_U3PHYD; u3_banks->phya = instance->port_base + SSUSB_SIFSLV_V1_U3PHYA; break; @@ -880,6 +908,17 @@ static int mtk_phy_exit(struct phy *phy) return 0; } +static int mtk_phy_set_mode(struct phy *phy, enum phy_mode mode) +{ + struct mtk_phy_instance *instance = phy_get_drvdata(phy); + struct mtk_tphy *tphy = dev_get_drvdata(phy->dev.parent); + + if (instance->type == PHY_TYPE_USB2) + u2_phy_instance_set_mode(tphy, instance, mode); + + return 0; +} + static struct phy *mtk_phy_xlate(struct device *dev, struct of_phandle_args *args) { @@ -930,6 +969,7 @@ static const struct phy_ops mtk_tphy_ops = { .exit = mtk_phy_exit, .power_on = mtk_phy_power_on, .power_off = mtk_phy_power_off, + .set_mode = mtk_phy_set_mode, .owner = THIS_MODULE, }; |