diff options
| author | Chunfeng Yun <chunfeng.yun@mediatek.com> | 2017-03-31 10:35:32 +0300 |
|---|---|---|
| committer | Kishon Vijay Abraham I <kishon@ti.com> | 2017-04-10 14:13:40 +0300 |
| commit | c0250fe50eed7f233dc7a19eb4f58c1000caa968 (patch) | |
| tree | cdce734490bbe62361c9fc2f37b1760164ceea88 /drivers/phy | |
| parent | 8d6e1957f14dbfb4c9510cd8179e3c8c1f488433 (diff) | |
| download | linux-c0250fe50eed7f233dc7a19eb4f58c1000caa968.tar.xz | |
phy: phy-mt65xx-usb3: disable 100uA extraction from SS port to HS port
There will be a problem if SS port is diasbled and HS port extracts
100uA from SS port, so disable extract 100uA from SS port in the case,
when disable it, PA0_RG_USB20_INTR_EN should be set, otherwise HS port
only works on LS.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Diffstat (limited to 'drivers/phy')
| -rw-r--r-- | drivers/phy/phy-mt65xx-usb3.c | 24 |
1 files changed, 10 insertions, 14 deletions
diff --git a/drivers/phy/phy-mt65xx-usb3.c b/drivers/phy/phy-mt65xx-usb3.c index e99788babfb9..59b110f795c3 100644 --- a/drivers/phy/phy-mt65xx-usb3.c +++ b/drivers/phy/phy-mt65xx-usb3.c @@ -46,6 +46,7 @@ #define U3P_USBPHYACR0 0x000 #define PA0_RG_U2PLL_FORCE_ON BIT(15) +#define PA0_RG_USB20_INTR_EN BIT(5) #define U3P_USBPHYACR2 0x008 #define PA2_RG_SIF_U2PLL_FORCE_EN BIT(18) @@ -339,6 +340,15 @@ static void phy_instance_init(struct mt65xx_u3phy *u3phy, tmp &= ~P2C_RG_UART_EN; writel(tmp, com + U3P_U2PHYDTM1); + tmp = readl(com + U3P_USBPHYACR0); + tmp |= PA0_RG_USB20_INTR_EN; + writel(tmp, com + U3P_USBPHYACR0); + + /* disable switch 100uA current to SSUSB */ + tmp = readl(com + U3P_USBPHYACR5); + tmp &= ~PA5_RG_U2_HS_100U_U3_EN; + writel(tmp, com + U3P_USBPHYACR5); + if (!index) { tmp = readl(com + U3P_U2PHYACR4); tmp &= ~P2C_U2_GPIO_CTR_MSK; @@ -393,13 +403,6 @@ static void phy_instance_power_on(struct mt65xx_u3phy *u3phy, tmp |= PA6_RG_U2_OTG_VBUSCMP_EN; writel(tmp, com + U3P_USBPHYACR6); - if (!index) { - /* switch 100uA current to SSUSB */ - tmp = readl(com + U3P_USBPHYACR5); - tmp |= PA5_RG_U2_HS_100U_U3_EN; - writel(tmp, com + U3P_USBPHYACR5); - } - tmp = readl(com + U3P_U2PHYDTM1); tmp |= P2C_RG_VBUSVALID | P2C_RG_AVALID; tmp &= ~P2C_RG_SESSEND; @@ -435,13 +438,6 @@ static void phy_instance_power_off(struct mt65xx_u3phy *u3phy, tmp &= ~PA6_RG_U2_OTG_VBUSCMP_EN; writel(tmp, com + U3P_USBPHYACR6); - if (!index) { - /* switch 100uA current back to USB2.0 */ - tmp = readl(com + U3P_USBPHYACR5); - tmp &= ~PA5_RG_U2_HS_100U_U3_EN; - writel(tmp, com + U3P_USBPHYACR5); - } - /* let suspendm=0, set utmi into analog power down */ tmp = readl(com + U3P_U2PHYDTM0); tmp &= ~P2C_RG_SUSPENDM; |