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| author | Chunfeng Yun <chunfeng.yun@mediatek.com> | 2015-12-04 10:08:56 +0800 |
|---|---|---|
| committer | Kishon Vijay Abraham I <kishon@ti.com> | 2015-12-20 15:21:37 +0530 |
| commit | 43f53b19074e846f236ef230d1eb4b14b601e965 (patch) | |
| tree | 707165c3123a659f97877f3ab8acefca7911804f | |
| parent | 3e46c3973cbafbd4974f7ab0d32071427afb7c1c (diff) | |
| download | linux-43f53b19074e846f236ef230d1eb4b14b601e965.tar.gz linux-43f53b19074e846f236ef230d1eb4b14b601e965.tar.bz2 linux-43f53b19074e846f236ef230d1eb4b14b601e965.zip | |
phy: phy-mt65xx-usb3: fix test fail of HS receiver sensitivity
when use the default value 8 of RG_USB20_SQTH, the HS receiver
sensitivity test of HQA will fail, set it as 2 to fix up the
issue.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
| -rw-r--r-- | drivers/phy/phy-mt65xx-usb3.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/phy/phy-mt65xx-usb3.c b/drivers/phy/phy-mt65xx-usb3.c index e427c3b788ff..2afbf9f36d83 100644 --- a/drivers/phy/phy-mt65xx-usb3.c +++ b/drivers/phy/phy-mt65xx-usb3.c @@ -49,6 +49,8 @@ #define PA6_RG_U2_ISO_EN BIT(31) #define PA6_RG_U2_BC11_SW_EN BIT(23) #define PA6_RG_U2_OTG_VBUSCMP_EN BIT(20) +#define PA6_RG_U2_SQTH GENMASK(3, 0) +#define PA6_RG_U2_SQTH_VAL(x) (0xf & (x)) #define U3P_U2PHYACR4 (SSUSB_SIFSLV_U2PHY_COM_BASE + 0x0020) #define P2C_RG_USB20_GPIO_CTL BIT(9) @@ -165,9 +167,10 @@ static void phy_instance_init(struct mt65xx_u3phy *u3phy, writel(tmp, port_base + U3P_U2PHYDTM0); } - /* DP/DM BC1.1 path Disable */ tmp = readl(port_base + U3P_USBPHYACR6); - tmp &= ~PA6_RG_U2_BC11_SW_EN; + tmp &= ~PA6_RG_U2_BC11_SW_EN; /* DP/DM BC1.1 path Disable */ + tmp &= ~PA6_RG_U2_SQTH; + tmp |= PA6_RG_U2_SQTH_VAL(2); writel(tmp, port_base + U3P_USBPHYACR6); tmp = readl(port_base + U3P_U3PHYA_DA_REG0); |