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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:50:03 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:50:03 +0000
commit01a69402cf9d38ff180345d55c2ee51c7e89fbc7 (patch)
treeb406c5242a088c4f59c6e4b719b783f43aca6ae9 /drivers/phy/mediatek/phy-mtk-tphy.c
parentAdding upstream version 6.7.12. (diff)
downloadlinux-01a69402cf9d38ff180345d55c2ee51c7e89fbc7.tar.xz
linux-01a69402cf9d38ff180345d55c2ee51c7e89fbc7.zip
Adding upstream version 6.8.9.upstream/6.8.9
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/phy/mediatek/phy-mtk-tphy.c')
-rw-r--r--drivers/phy/mediatek/phy-mtk-tphy.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/phy/mediatek/phy-mtk-tphy.c b/drivers/phy/mediatek/phy-mtk-tphy.c
index 05eab90141..a4746f6cb8 100644
--- a/drivers/phy/mediatek/phy-mtk-tphy.c
+++ b/drivers/phy/mediatek/phy-mtk-tphy.c
@@ -185,6 +185,10 @@
#define P3D_RG_CDR_BIR_LTD1 GENMASK(28, 24)
#define P3D_RG_CDR_BIR_LTD0 GENMASK(12, 8)
+#define U3P_U3_PHYD_TOP1 0x100
+#define P3D_RG_PHY_MODE GENMASK(2, 1)
+#define P3D_RG_FORCE_PHY_MODE BIT(0)
+
#define U3P_U3_PHYD_RXDET1 0x128
#define P3D_RG_RXDET_STB2_SET GENMASK(17, 9)
@@ -327,6 +331,7 @@ struct mtk_phy_instance {
int discth;
int pre_emphasis;
bool bc12_en;
+ bool type_force_mode;
};
struct mtk_tphy {
@@ -768,6 +773,23 @@ static void u3_phy_instance_init(struct mtk_tphy *tphy,
void __iomem *phya = u3_banks->phya;
void __iomem *phyd = u3_banks->phyd;
+ if (instance->type_force_mode) {
+ /* force phy as usb mode, default is pcie rc mode */
+ mtk_phy_update_field(phyd + U3P_U3_PHYD_TOP1, P3D_RG_PHY_MODE, 1);
+ mtk_phy_set_bits(phyd + U3P_U3_PHYD_TOP1, P3D_RG_FORCE_PHY_MODE);
+ /* power down phy by ip and pipe reset */
+ mtk_phy_set_bits(u3_banks->chip + U3P_U3_CHIP_GPIO_CTLD,
+ P3C_FORCE_IP_SW_RST | P3C_MCU_BUS_CK_GATE_EN);
+ mtk_phy_set_bits(u3_banks->chip + U3P_U3_CHIP_GPIO_CTLE,
+ P3C_RG_SWRST_U3_PHYD | P3C_RG_SWRST_U3_PHYD_FORCE_EN);
+ udelay(10);
+ /* power on phy again */
+ mtk_phy_clear_bits(u3_banks->chip + U3P_U3_CHIP_GPIO_CTLD,
+ P3C_FORCE_IP_SW_RST | P3C_MCU_BUS_CK_GATE_EN);
+ mtk_phy_clear_bits(u3_banks->chip + U3P_U3_CHIP_GPIO_CTLE,
+ P3C_RG_SWRST_U3_PHYD | P3C_RG_SWRST_U3_PHYD_FORCE_EN);
+ }
+
/* gating PCIe Analog XTAL clock */
mtk_phy_set_bits(u3_banks->spllc + U3P_SPLLC_XTALCTL3,
XC3_RG_U3_XTAL_RX_PWD | XC3_RG_U3_FRC_XTAL_RX_PWD);
@@ -1120,6 +1142,9 @@ static void phy_parse_property(struct mtk_tphy *tphy,
{
struct device *dev = &instance->phy->dev;
+ if (instance->type == PHY_TYPE_USB3)
+ instance->type_force_mode = device_property_read_bool(dev, "mediatek,force-mode");
+
if (instance->type != PHY_TYPE_USB2)
return;