diff options
Diffstat (limited to 'target/linux/mediatek/patches-4.14/0177-phy-phy-mtk-tphy-use-auto-instead-of-force-to-bypass.patch')
| -rw-r--r-- | target/linux/mediatek/patches-4.14/0177-phy-phy-mtk-tphy-use-auto-instead-of-force-to-bypass.patch | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/target/linux/mediatek/patches-4.14/0177-phy-phy-mtk-tphy-use-auto-instead-of-force-to-bypass.patch b/target/linux/mediatek/patches-4.14/0177-phy-phy-mtk-tphy-use-auto-instead-of-force-to-bypass.patch deleted file mode 100644 index fc993c3266..0000000000 --- a/target/linux/mediatek/patches-4.14/0177-phy-phy-mtk-tphy-use-auto-instead-of-force-to-bypass.patch +++ /dev/null @@ -1,75 +0,0 @@ -From dacdae142ffd909ed6718adb05af74ff800da668 Mon Sep 17 00:00:00 2001 -From: Chunfeng Yun <chunfeng.yun@mediatek.com> -Date: Thu, 7 Dec 2017 19:53:34 +0800 -Subject: [PATCH 177/224] phy: phy-mtk-tphy: use auto instead of force to - bypass utmi signals - -When system is running, if usb2 phy is forced to bypass utmi signals, -all PLL will be turned off, and it can't detect device connection -anymore, so replace force mode with auto mode which can bypass utmi -signals automatically if no device attached for normal flow. -But keep the force mode to fix RX sensitivity degradation issue. - -Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com> -Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> ---- - drivers/phy/mediatek/phy-mtk-tphy.c | 19 +++++++------------ - 1 file changed, 7 insertions(+), 12 deletions(-) - ---- a/drivers/phy/mediatek/phy-mtk-tphy.c -+++ b/drivers/phy/mediatek/phy-mtk-tphy.c -@@ -440,9 +440,9 @@ static void u2_phy_instance_init(struct - u32 index = instance->index; - u32 tmp; - -- /* switch to USB function. (system register, force ip into usb mode) */ -+ /* switch to USB function, and enable usb pll */ - tmp = readl(com + U3P_U2PHYDTM0); -- tmp &= ~P2C_FORCE_UART_EN; -+ tmp &= ~(P2C_FORCE_UART_EN | P2C_FORCE_SUSPENDM); - tmp |= P2C_RG_XCVRSEL_VAL(1) | P2C_RG_DATAIN_VAL(0); - writel(tmp, com + U3P_U2PHYDTM0); - -@@ -502,10 +502,8 @@ static void u2_phy_instance_power_on(str - u32 index = instance->index; - u32 tmp; - -- /* (force_suspendm=0) (let suspendm=1, enable usb 480MHz pll) */ - tmp = readl(com + U3P_U2PHYDTM0); -- tmp &= ~(P2C_FORCE_SUSPENDM | P2C_RG_XCVRSEL); -- tmp &= ~(P2C_RG_DATAIN | P2C_DTM0_PART_MASK); -+ tmp &= ~(P2C_RG_XCVRSEL | P2C_RG_DATAIN | P2C_DTM0_PART_MASK); - writel(tmp, com + U3P_U2PHYDTM0); - - /* OTG Enable */ -@@ -540,7 +538,6 @@ static void u2_phy_instance_power_off(st - - tmp = readl(com + U3P_U2PHYDTM0); - tmp &= ~(P2C_RG_XCVRSEL | P2C_RG_DATAIN); -- tmp |= P2C_FORCE_SUSPENDM; - writel(tmp, com + U3P_U2PHYDTM0); - - /* OTG Disable */ -@@ -548,18 +545,16 @@ static void u2_phy_instance_power_off(st - tmp &= ~PA6_RG_U2_OTG_VBUSCMP_EN; - writel(tmp, com + U3P_USBPHYACR6); - -- /* let suspendm=0, set utmi into analog power down */ -- tmp = readl(com + U3P_U2PHYDTM0); -- tmp &= ~P2C_RG_SUSPENDM; -- writel(tmp, com + U3P_U2PHYDTM0); -- udelay(1); -- - tmp = readl(com + U3P_U2PHYDTM1); - tmp &= ~(P2C_RG_VBUSVALID | P2C_RG_AVALID); - tmp |= P2C_RG_SESSEND; - writel(tmp, com + U3P_U2PHYDTM1); - - if (tphy->pdata->avoid_rx_sen_degradation && index) { -+ tmp = readl(com + U3P_U2PHYDTM0); -+ tmp &= ~(P2C_RG_SUSPENDM | P2C_FORCE_SUSPENDM); -+ writel(tmp, com + U3P_U2PHYDTM0); -+ - tmp = readl(com + U3D_U2PHYDCR0); - tmp &= ~P2C_RG_SIF_U2PLL_FORCE_ON; - writel(tmp, com + U3D_U2PHYDCR0); |