diff options
Diffstat (limited to 'drivers/phy')
| -rw-r--r-- | drivers/phy/amlogic/phy-meson-gxl-usb2.c | 5 | ||||
| -rw-r--r-- | drivers/phy/amlogic/phy-meson8b-usb2.c | 9 | ||||
| -rw-r--r-- | drivers/phy/freescale/Kconfig | 5 | ||||
| -rw-r--r-- | drivers/phy/freescale/phy-fsl-imx8m-pcie.c | 3 | ||||
| -rw-r--r-- | drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c | 28 | ||||
| -rw-r--r-- | drivers/phy/qualcomm/phy-qcom-qusb2.c | 3 |
6 files changed, 32 insertions, 21 deletions
diff --git a/drivers/phy/amlogic/phy-meson-gxl-usb2.c b/drivers/phy/amlogic/phy-meson-gxl-usb2.c index 2b3c0d730f20..db17c3448bfe 100644 --- a/drivers/phy/amlogic/phy-meson-gxl-usb2.c +++ b/drivers/phy/amlogic/phy-meson-gxl-usb2.c @@ -114,8 +114,10 @@ static int phy_meson_gxl_usb2_init(struct phy *phy) return ret; ret = clk_prepare_enable(priv->clk); - if (ret) + if (ret) { + reset_control_rearm(priv->reset); return ret; + } return 0; } @@ -125,6 +127,7 @@ static int phy_meson_gxl_usb2_exit(struct phy *phy) struct phy_meson_gxl_usb2_priv *priv = phy_get_drvdata(phy); clk_disable_unprepare(priv->clk); + reset_control_rearm(priv->reset); return 0; } diff --git a/drivers/phy/amlogic/phy-meson8b-usb2.c b/drivers/phy/amlogic/phy-meson8b-usb2.c index cf10bed40528..dd96763911b8 100644 --- a/drivers/phy/amlogic/phy-meson8b-usb2.c +++ b/drivers/phy/amlogic/phy-meson8b-usb2.c @@ -154,6 +154,7 @@ static int phy_meson8b_usb2_power_on(struct phy *phy) ret = clk_prepare_enable(priv->clk_usb_general); if (ret) { dev_err(&phy->dev, "Failed to enable USB general clock\n"); + reset_control_rearm(priv->reset); return ret; } @@ -161,6 +162,7 @@ static int phy_meson8b_usb2_power_on(struct phy *phy) if (ret) { dev_err(&phy->dev, "Failed to enable USB DDR clock\n"); clk_disable_unprepare(priv->clk_usb_general); + reset_control_rearm(priv->reset); return ret; } @@ -199,6 +201,7 @@ static int phy_meson8b_usb2_power_on(struct phy *phy) dev_warn(&phy->dev, "USB ID detect failed!\n"); clk_disable_unprepare(priv->clk_usb); clk_disable_unprepare(priv->clk_usb_general); + reset_control_rearm(priv->reset); return -EINVAL; } } @@ -218,6 +221,7 @@ static int phy_meson8b_usb2_power_off(struct phy *phy) clk_disable_unprepare(priv->clk_usb); clk_disable_unprepare(priv->clk_usb_general); + reset_control_rearm(priv->reset); /* power off the PHY by putting it into reset mode */ regmap_update_bits(priv->regmap, REG_CTRL, REG_CTRL_POWER_ON_RESET, @@ -265,8 +269,9 @@ static int phy_meson8b_usb2_probe(struct platform_device *pdev) return PTR_ERR(priv->clk_usb); priv->reset = devm_reset_control_get_optional_shared(&pdev->dev, NULL); - if (PTR_ERR(priv->reset) == -EPROBE_DEFER) - return PTR_ERR(priv->reset); + if (IS_ERR(priv->reset)) + return dev_err_probe(&pdev->dev, PTR_ERR(priv->reset), + "Failed to get the reset line"); priv->dr_mode = of_usb_get_dr_mode_by_phy(pdev->dev.of_node, -1); if (priv->dr_mode == USB_DR_MODE_UNKNOWN) { diff --git a/drivers/phy/freescale/Kconfig b/drivers/phy/freescale/Kconfig index c3669c28ea9f..856cbec7057d 100644 --- a/drivers/phy/freescale/Kconfig +++ b/drivers/phy/freescale/Kconfig @@ -1,4 +1,7 @@ # SPDX-License-Identifier: GPL-2.0-only + +if (ARCH_MXC && ARM64) || COMPILE_TEST + config PHY_FSL_IMX8MQ_USB tristate "Freescale i.MX8M USB3 PHY" depends on OF && HAS_IOMEM @@ -22,3 +25,5 @@ config PHY_FSL_IMX8M_PCIE help Enable this to add support for the PCIE PHY as found on i.MX8M family of SOCs. + +endif diff --git a/drivers/phy/freescale/phy-fsl-imx8m-pcie.c b/drivers/phy/freescale/phy-fsl-imx8m-pcie.c index 04b1aafb29f4..f1eb03ba25d6 100644 --- a/drivers/phy/freescale/phy-fsl-imx8m-pcie.c +++ b/drivers/phy/freescale/phy-fsl-imx8m-pcie.c @@ -5,9 +5,9 @@ #include <linux/bitfield.h> #include <linux/clk.h> +#include <linux/delay.h> #include <linux/io.h> #include <linux/iopoll.h> -#include <linux/delay.h> #include <linux/mfd/syscon.h> #include <linux/mfd/syscon/imx7-iomuxc-gpr.h> #include <linux/module.h> @@ -15,6 +15,7 @@ #include <linux/platform_device.h> #include <linux/regmap.h> #include <linux/reset.h> + #include <dt-bindings/phy/phy-imx8-pcie.h> #define IMX8MM_PCIE_PHY_CMN_REG061 0x184 diff --git a/drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c b/drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c index fec1da470d26..7bacc527fbad 100644 --- a/drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c +++ b/drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c @@ -10,6 +10,7 @@ #include <linux/delay.h> #include <linux/regmap.h> #include <linux/mfd/syscon.h> +#include <linux/bitfield.h> /* USB QSCRATCH Hardware registers */ #define QSCRATCH_GENERAL_CFG (0x08) @@ -74,20 +75,20 @@ PHY_PARAM_CTRL1_LOS_BIAS_MASK) #define PHY_PARAM_CTRL1_TX_FULL_SWING(x) \ - (((x) << 20) & PHY_PARAM_CTRL1_TX_FULL_SWING_MASK) + FIELD_PREP(PHY_PARAM_CTRL1_TX_FULL_SWING_MASK, (x)) #define PHY_PARAM_CTRL1_TX_DEEMPH_6DB(x) \ - (((x) << 14) & PHY_PARAM_CTRL1_TX_DEEMPH_6DB_MASK) + FIELD_PREP(PHY_PARAM_CTRL1_TX_DEEMPH_6DB_MASK, (x)) #define PHY_PARAM_CTRL1_TX_DEEMPH_3_5DB(x) \ - (((x) << 8) & PHY_PARAM_CTRL1_TX_DEEMPH_3_5DB_MASK) + FIELD_PREP(PHY_PARAM_CTRL1_TX_DEEMPH_3_5DB_MASK, x) #define PHY_PARAM_CTRL1_LOS_BIAS(x) \ - (((x) << 3) & PHY_PARAM_CTRL1_LOS_BIAS_MASK) + FIELD_PREP(PHY_PARAM_CTRL1_LOS_BIAS_MASK, (x)) /* RX OVRD IN HI bits */ #define RX_OVRD_IN_HI_RX_RESET_OVRD BIT(13) #define RX_OVRD_IN_HI_RX_RX_RESET BIT(12) #define RX_OVRD_IN_HI_RX_EQ_OVRD BIT(11) #define RX_OVRD_IN_HI_RX_EQ_MASK GENMASK(10, 7) -#define RX_OVRD_IN_HI_RX_EQ(x) ((x) << 8) +#define RX_OVRD_IN_HI_RX_EQ(x) FIELD_PREP(RX_OVRD_IN_HI_RX_EQ_MASK, (x)) #define RX_OVRD_IN_HI_RX_EQ_EN_OVRD BIT(7) #define RX_OVRD_IN_HI_RX_EQ_EN BIT(6) #define RX_OVRD_IN_HI_RX_LOS_FILTER_OVRD BIT(5) @@ -111,6 +112,9 @@ #define SS_CR_READ_REG BIT(0) #define SS_CR_WRITE_REG BIT(0) +#define LATCH_SLEEP 40 +#define LATCH_TIMEOUT 100 + struct usb_phy { void __iomem *base; struct device *dev; @@ -156,19 +160,9 @@ static inline void usb_phy_write_readback(struct usb_phy *phy_dwc3, static int wait_for_latch(void __iomem *addr) { - u32 retry = 10; - - while (true) { - if (!readl(addr)) - break; - - if (--retry == 0) - return -ETIMEDOUT; - - usleep_range(10, 20); - } + u32 val; - return 0; + return readl_poll_timeout(addr, val, !val, LATCH_SLEEP, LATCH_TIMEOUT); } /** diff --git a/drivers/phy/qualcomm/phy-qcom-qusb2.c b/drivers/phy/qualcomm/phy-qcom-qusb2.c index 032d02bf50c5..7529a7e6e5df 100644 --- a/drivers/phy/qualcomm/phy-qcom-qusb2.c +++ b/drivers/phy/qualcomm/phy-qcom-qusb2.c @@ -912,6 +912,9 @@ static const struct of_device_id qusb2_phy_of_match_table[] = { .compatible = "qcom,ipq8074-qusb2-phy", .data = &msm8996_phy_cfg, }, { + .compatible = "qcom,msm8953-qusb2-phy", + .data = &msm8996_phy_cfg, + }, { .compatible = "qcom,msm8996-qusb2-phy", .data = &msm8996_phy_cfg, }, { |