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author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-09-04 12:41:55 +0200 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-09-04 12:41:55 +0200 |
commit | e22a220515e884b286e7dc0ab938b0f9e7304b5f (patch) | |
tree | 3628309c3bbc36fff386418f4b6196fc0d6385bb | |
parent | 51fc07d9ff864e06ce5a898c76d032c7187468bd (diff) | |
parent | ad7a7acaedcf45071c822b6c983f9c1e084041c9 (diff) | |
download | linux-e22a220515e884b286e7dc0ab938b0f9e7304b5f.tar.bz2 |
Merge tag 'phy-fixes-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy into char-misc-linus
Vinod writes:
phy: fixes for 5.9
*) platform_no_drv_owner.cocci and return value check qcom ipq806x-usb driver
*) correcting register programming for ipq8074 phy
*) disable PHY charger detect for omap-usb2-phy
* tag 'phy-fixes-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy:
phy: omap-usb2-phy: disable PHY charger detect
phy: qcom-qmp: Use correct values for ipq8074 PCIe Gen2 PHY init
phy: qualcomm: fix return value check in qcom_ipq806x_usb_phy_probe()
phy: qualcomm: fix platform_no_drv_owner.cocci warnings
-rw-r--r-- | drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c | 5 | ||||
-rw-r--r-- | drivers/phy/qualcomm/phy-qcom-qmp.c | 16 | ||||
-rw-r--r-- | drivers/phy/qualcomm/phy-qcom-qmp.h | 2 | ||||
-rw-r--r-- | drivers/phy/ti/phy-omap-usb2.c | 47 |
4 files changed, 53 insertions, 17 deletions
diff --git a/drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c b/drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c index 71f257b4a7f5..9061ece7ff6a 100644 --- a/drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c +++ b/drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c @@ -505,9 +505,9 @@ static int qcom_ipq806x_usb_phy_probe(struct platform_device *pdev) size = resource_size(res); phy_dwc3->base = devm_ioremap(phy_dwc3->dev, res->start, size); - if (IS_ERR(phy_dwc3->base)) { + if (!phy_dwc3->base) { dev_err(phy_dwc3->dev, "failed to map reg\n"); - return PTR_ERR(phy_dwc3->base); + return -ENOMEM; } phy_dwc3->ref_clk = devm_clk_get(phy_dwc3->dev, "ref"); @@ -557,7 +557,6 @@ static struct platform_driver qcom_ipq806x_usb_phy_driver = { .probe = qcom_ipq806x_usb_phy_probe, .driver = { .name = "qcom-ipq806x-usb-phy", - .owner = THIS_MODULE, .of_match_table = qcom_ipq806x_usb_phy_table, }, }; diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c b/drivers/phy/qualcomm/phy-qcom-qmp.c index 562053ce9455..6e6f992a9524 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp.c @@ -604,8 +604,8 @@ static const struct qmp_phy_init_tbl ipq8074_pcie_serdes_tbl[] = { QMP_PHY_INIT_CFG(QSERDES_COM_BG_TRIM, 0xf), QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP_EN, 0x1), QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_MAP, 0x0), - QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_TIMER1, 0x1f), - QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_TIMER2, 0x3f), + QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_TIMER1, 0xff), + QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_TIMER2, 0x1f), QMP_PHY_INIT_CFG(QSERDES_COM_CMN_CONFIG, 0x6), QMP_PHY_INIT_CFG(QSERDES_COM_PLL_IVCO, 0xf), QMP_PHY_INIT_CFG(QSERDES_COM_HSCLK_SEL, 0x0), @@ -631,7 +631,6 @@ static const struct qmp_phy_init_tbl ipq8074_pcie_serdes_tbl[] = { QMP_PHY_INIT_CFG(QSERDES_COM_INTEGLOOP_GAIN1_MODE0, 0x0), QMP_PHY_INIT_CFG(QSERDES_COM_INTEGLOOP_GAIN0_MODE0, 0x80), QMP_PHY_INIT_CFG(QSERDES_COM_BIAS_EN_CTRL_BY_PSM, 0x1), - QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_CTRL, 0xa), QMP_PHY_INIT_CFG(QSERDES_COM_SSC_EN_CENTER, 0x1), QMP_PHY_INIT_CFG(QSERDES_COM_SSC_PER1, 0x31), QMP_PHY_INIT_CFG(QSERDES_COM_SSC_PER2, 0x1), @@ -640,7 +639,6 @@ static const struct qmp_phy_init_tbl ipq8074_pcie_serdes_tbl[] = { QMP_PHY_INIT_CFG(QSERDES_COM_SSC_STEP_SIZE1, 0x2f), QMP_PHY_INIT_CFG(QSERDES_COM_SSC_STEP_SIZE2, 0x19), QMP_PHY_INIT_CFG(QSERDES_COM_CLK_EP_DIV, 0x19), - QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_CNTRL, 0x7), }; static const struct qmp_phy_init_tbl ipq8074_pcie_tx_tbl[] = { @@ -648,6 +646,8 @@ static const struct qmp_phy_init_tbl ipq8074_pcie_tx_tbl[] = { QMP_PHY_INIT_CFG(QSERDES_TX_LANE_MODE, 0x6), QMP_PHY_INIT_CFG(QSERDES_TX_RES_CODE_LANE_OFFSET, 0x2), QMP_PHY_INIT_CFG(QSERDES_TX_RCV_DETECT_LVL_2, 0x12), + QMP_PHY_INIT_CFG(QSERDES_TX_EMP_POST1_LVL, 0x36), + QMP_PHY_INIT_CFG(QSERDES_TX_SLEW_CNTL, 0x0a), }; static const struct qmp_phy_init_tbl ipq8074_pcie_rx_tbl[] = { @@ -658,7 +658,6 @@ static const struct qmp_phy_init_tbl ipq8074_pcie_rx_tbl[] = { QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL4, 0xdb), QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x4b), QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_SO_GAIN, 0x4), - QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_SO_GAIN_HALF, 0x4), }; static const struct qmp_phy_init_tbl ipq8074_pcie_pcs_tbl[] = { @@ -2046,6 +2045,9 @@ static const struct qmp_phy_cfg msm8996_usb3phy_cfg = { .pwrdn_ctrl = SW_PWRDN, }; +static const char * const ipq8074_pciephy_clk_l[] = { + "aux", "cfg_ahb", +}; /* list of resets */ static const char * const ipq8074_pciephy_reset_l[] = { "phy", "common", @@ -2063,8 +2065,8 @@ static const struct qmp_phy_cfg ipq8074_pciephy_cfg = { .rx_tbl_num = ARRAY_SIZE(ipq8074_pcie_rx_tbl), .pcs_tbl = ipq8074_pcie_pcs_tbl, .pcs_tbl_num = ARRAY_SIZE(ipq8074_pcie_pcs_tbl), - .clk_list = NULL, - .num_clks = 0, + .clk_list = ipq8074_pciephy_clk_l, + .num_clks = ARRAY_SIZE(ipq8074_pciephy_clk_l), .reset_list = ipq8074_pciephy_reset_l, .num_resets = ARRAY_SIZE(ipq8074_pciephy_reset_l), .vreg_list = NULL, diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.h b/drivers/phy/qualcomm/phy-qcom-qmp.h index 4277f592684b..904b80ab9009 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp.h +++ b/drivers/phy/qualcomm/phy-qcom-qmp.h @@ -77,6 +77,8 @@ #define QSERDES_COM_CORECLK_DIV_MODE1 0x1bc /* Only for QMP V2 PHY - TX registers */ +#define QSERDES_TX_EMP_POST1_LVL 0x018 +#define QSERDES_TX_SLEW_CNTL 0x040 #define QSERDES_TX_RES_CODE_LANE_OFFSET 0x054 #define QSERDES_TX_DEBUG_BUS_SEL 0x064 #define QSERDES_TX_HIGHZ_TRANSCEIVEREN_BIAS_DRVR_EN 0x068 diff --git a/drivers/phy/ti/phy-omap-usb2.c b/drivers/phy/ti/phy-omap-usb2.c index cb2dd3230fa7..507f79d14adb 100644 --- a/drivers/phy/ti/phy-omap-usb2.c +++ b/drivers/phy/ti/phy-omap-usb2.c @@ -22,10 +22,15 @@ #include <linux/mfd/syscon.h> #include <linux/regmap.h> #include <linux/of_platform.h> +#include <linux/sys_soc.h> #define USB2PHY_ANA_CONFIG1 0x4c #define USB2PHY_DISCON_BYP_LATCH BIT(31) +#define USB2PHY_CHRG_DET 0x14 +#define USB2PHY_CHRG_DET_USE_CHG_DET_REG BIT(29) +#define USB2PHY_CHRG_DET_DIS_CHG_DET BIT(28) + /* SoC Specific USB2_OTG register definitions */ #define AM654_USB2_OTG_PD BIT(8) #define AM654_USB2_VBUS_DET_EN BIT(5) @@ -43,6 +48,7 @@ #define OMAP_USB2_HAS_START_SRP BIT(0) #define OMAP_USB2_HAS_SET_VBUS BIT(1) #define OMAP_USB2_CALIBRATE_FALSE_DISCONNECT BIT(2) +#define OMAP_USB2_DISABLE_CHRG_DET BIT(3) struct omap_usb { struct usb_phy phy; @@ -236,6 +242,13 @@ static int omap_usb_init(struct phy *x) omap_usb_writel(phy->phy_base, USB2PHY_ANA_CONFIG1, val); } + if (phy->flags & OMAP_USB2_DISABLE_CHRG_DET) { + val = omap_usb_readl(phy->phy_base, USB2PHY_CHRG_DET); + val |= USB2PHY_CHRG_DET_USE_CHG_DET_REG | + USB2PHY_CHRG_DET_DIS_CHG_DET; + omap_usb_writel(phy->phy_base, USB2PHY_CHRG_DET, val); + } + return 0; } @@ -329,6 +342,26 @@ static const struct of_device_id omap_usb2_id_table[] = { }; MODULE_DEVICE_TABLE(of, omap_usb2_id_table); +static void omap_usb2_init_errata(struct omap_usb *phy) +{ + static const struct soc_device_attribute am65x_sr10_soc_devices[] = { + { .family = "AM65X", .revision = "SR1.0" }, + { /* sentinel */ } + }; + + /* + * Errata i2075: USB2PHY: USB2PHY Charger Detect is Enabled by + * Default Without VBUS Presence. + * + * AM654x SR1.0 has a silicon bug due to which D+ is pulled high after + * POR, which could cause enumeration failure with some USB hubs. + * Disabling the USB2_PHY Charger Detect function will put D+ + * into the normal state. + */ + if (soc_device_match(am65x_sr10_soc_devices)) + phy->flags |= OMAP_USB2_DISABLE_CHRG_DET; +} + static int omap_usb2_probe(struct platform_device *pdev) { struct omap_usb *phy; @@ -366,14 +399,14 @@ static int omap_usb2_probe(struct platform_device *pdev) phy->mask = phy_data->mask; phy->power_on = phy_data->power_on; phy->power_off = phy_data->power_off; + phy->flags = phy_data->flags; - if (phy_data->flags & OMAP_USB2_CALIBRATE_FALSE_DISCONNECT) { - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - phy->phy_base = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(phy->phy_base)) - return PTR_ERR(phy->phy_base); - phy->flags |= OMAP_USB2_CALIBRATE_FALSE_DISCONNECT; - } + omap_usb2_init_errata(phy); + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + phy->phy_base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(phy->phy_base)) + return PTR_ERR(phy->phy_base); phy->syscon_phy_power = syscon_regmap_lookup_by_phandle(node, "syscon-phy-power"); |