From 43f53b19074e846f236ef230d1eb4b14b601e965 Mon Sep 17 00:00:00 2001 From: Chunfeng Yun Date: Fri, 4 Dec 2015 10:08:56 +0800 Subject: 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 Signed-off-by: Kishon Vijay Abraham I --- drivers/phy/phy-mt65xx-usb3.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) (limited to 'drivers/phy') 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); -- cgit v1.2.3-59-g8ed1b