diff options
Diffstat (limited to 'drivers/phy/qualcomm/phy-qcom-qmp-usb.c')
-rw-r--r-- | drivers/phy/qualcomm/phy-qcom-qmp-usb.c | 203 |
1 files changed, 55 insertions, 148 deletions
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-usb.c b/drivers/phy/qualcomm/phy-qcom-qmp-usb.c index 4c32304dae..c174463c58 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-usb.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp-usb.c @@ -19,6 +19,8 @@ #include <linux/reset.h> #include <linux/slab.h> +#include "phy-qcom-qmp-common.h" + #include "phy-qcom-qmp.h" #include "phy-qcom-qmp-pcs-misc-v3.h" #include "phy-qcom-qmp-pcs-misc-v4.h" @@ -27,67 +29,8 @@ #include "phy-qcom-qmp-pcs-usb-v6.h" #include "phy-qcom-qmp-pcs-usb-v7.h" -/* QPHY_SW_RESET bit */ -#define SW_RESET BIT(0) -/* QPHY_POWER_DOWN_CONTROL */ -#define SW_PWRDN BIT(0) -/* QPHY_START_CONTROL bits */ -#define SERDES_START BIT(0) -#define PCS_START BIT(1) -/* QPHY_PCS_STATUS bit */ -#define PHYSTATUS BIT(6) - -/* QPHY_V3_DP_COM_RESET_OVRD_CTRL register bits */ -/* DP PHY soft reset */ -#define SW_DPPHY_RESET BIT(0) -/* mux to select DP PHY reset control, 0:HW control, 1: software reset */ -#define SW_DPPHY_RESET_MUX BIT(1) -/* USB3 PHY soft reset */ -#define SW_USB3PHY_RESET BIT(2) -/* mux to select USB3 PHY reset control, 0:HW control, 1: software reset */ -#define SW_USB3PHY_RESET_MUX BIT(3) - -/* QPHY_V3_DP_COM_PHY_MODE_CTRL register bits */ -#define USB3_MODE BIT(0) /* enables USB3 mode */ -#define DP_MODE BIT(1) /* enables DP mode */ - -/* QPHY_PCS_AUTONOMOUS_MODE_CTRL register bits */ -#define ARCVR_DTCT_EN BIT(0) -#define ALFPS_DTCT_EN BIT(1) -#define ARCVR_DTCT_EVENT_SEL BIT(4) - -/* QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR register bits */ -#define IRQ_CLEAR BIT(0) - -/* QPHY_V3_PCS_MISC_CLAMP_ENABLE register bits */ -#define CLAMP_EN BIT(0) /* enables i/o clamp_n */ - #define PHY_INIT_COMPLETE_TIMEOUT 10000 -struct qmp_phy_init_tbl { - unsigned int offset; - unsigned int val; - /* - * mask of lanes for which this register is written - * for cases when second lane needs different values - */ - u8 lane_mask; -}; - -#define QMP_PHY_INIT_CFG(o, v) \ - { \ - .offset = o, \ - .val = v, \ - .lane_mask = 0xff, \ - } - -#define QMP_PHY_INIT_CFG_LANE(o, v, l) \ - { \ - .offset = o, \ - .val = v, \ - .lane_mask = l, \ - } - /* set of registers with offsets different per-PHY */ enum qphy_reg_layout { /* PCS registers */ @@ -394,6 +337,29 @@ static const struct qmp_phy_init_tbl msm8996_usb3_pcs_tbl[] = { QMP_PHY_INIT_CFG(QPHY_V2_PCS_POWER_STATE_CONFIG2, 0x08), }; +static const struct qmp_phy_init_tbl qdu1000_usb3_uniphy_pcs_tbl[] = { + QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG1, 0xc4), + QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG2, 0x89), + QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG3, 0x20), + QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG6, 0x13), + QMP_PHY_INIT_CFG(QPHY_V4_PCS_RCVR_DTCT_DLY_P1U2_L, 0xe7), + QMP_PHY_INIT_CFG(QPHY_V4_PCS_RCVR_DTCT_DLY_P1U2_H, 0x03), + QMP_PHY_INIT_CFG(QPHY_V4_PCS_RX_SIGDET_LVL, 0xaa), + QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCS_TX_RX_CONFIG, 0x0c), + QMP_PHY_INIT_CFG(QPHY_V4_PCS_CDR_RESET_TIME, 0x0a), + QMP_PHY_INIT_CFG(QPHY_V4_PCS_ALIGN_DETECT_CONFIG1, 0x88), + QMP_PHY_INIT_CFG(QPHY_V4_PCS_ALIGN_DETECT_CONFIG2, 0x13), + QMP_PHY_INIT_CFG(QPHY_V4_PCS_EQ_CONFIG1, 0x4b), + QMP_PHY_INIT_CFG(QPHY_V4_PCS_EQ_CONFIG5, 0x10), + QMP_PHY_INIT_CFG(QPHY_V4_PCS_REFGEN_REQ_CONFIG1, 0x21), +}; + +static const struct qmp_phy_init_tbl qdu1000_usb3_uniphy_pcs_usb_tbl[] = { + QMP_PHY_INIT_CFG(QPHY_V4_PCS_USB3_RXEQTRAINING_DFE_TIME_S2, 0x07), + QMP_PHY_INIT_CFG(QPHY_V4_PCS_USB3_LFPS_DET_HIGH_COUNT_VAL, 0xf8), + QMP_PHY_INIT_CFG(QPHY_V4_PCS_USB3_POWER_STATE_CONFIG1, 0x6f), +}; + static const struct qmp_phy_init_tbl qmp_v3_usb3_uniphy_serdes_tbl[] = { QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_IVCO, 0x07), QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYSCLK_EN_SEL, 0x14), @@ -1237,15 +1203,10 @@ struct qmp_usb_offsets { u16 pcs_usb; u16 tx; u16 rx; - /* for PHYs with >= 2 lanes */ - u16 tx2; - u16 rx2; }; /* struct qmp_phy_cfg - per-PHY initialization config */ struct qmp_phy_cfg { - int lanes; - const struct qmp_usb_offsets *offsets; /* Init sequence for PHY blocks - serdes, tx, rx, pcs */ @@ -1285,8 +1246,6 @@ struct qmp_usb { void __iomem *pcs_usb; void __iomem *tx; void __iomem *rx; - void __iomem *tx2; - void __iomem *rx2; struct clk *pipe_clk; struct clk_bulk_data *clks; @@ -1401,8 +1360,6 @@ static const struct qmp_usb_offsets qmp_usb_offsets_v7 = { }; static const struct qmp_phy_cfg ipq6018_usb3phy_cfg = { - .lanes = 1, - .offsets = &qmp_usb_offsets_v3, .serdes_tbl = ipq9574_usb3_serdes_tbl, @@ -1419,8 +1376,6 @@ static const struct qmp_phy_cfg ipq6018_usb3phy_cfg = { }; static const struct qmp_phy_cfg ipq8074_usb3phy_cfg = { - .lanes = 1, - .offsets = &qmp_usb_offsets_v3, .serdes_tbl = ipq8074_usb3_serdes_tbl, @@ -1437,8 +1392,6 @@ static const struct qmp_phy_cfg ipq8074_usb3phy_cfg = { }; static const struct qmp_phy_cfg ipq9574_usb3phy_cfg = { - .lanes = 1, - .offsets = &qmp_usb_offsets_ipq9574, .serdes_tbl = ipq9574_usb3_serdes_tbl, @@ -1455,8 +1408,6 @@ static const struct qmp_phy_cfg ipq9574_usb3phy_cfg = { }; static const struct qmp_phy_cfg msm8996_usb3phy_cfg = { - .lanes = 1, - .offsets = &qmp_usb_offsets_v3_msm8996, .serdes_tbl = msm8996_usb3_serdes_tbl, @@ -1472,9 +1423,28 @@ static const struct qmp_phy_cfg msm8996_usb3phy_cfg = { .regs = qmp_v2_usb3phy_regs_layout, }; -static const struct qmp_phy_cfg sa8775p_usb3_uniphy_cfg = { - .lanes = 1, +static const struct qmp_phy_cfg qdu1000_usb3_uniphy_cfg = { + .offsets = &qmp_usb_offsets_v5, + .serdes_tbl = sm8150_usb3_uniphy_serdes_tbl, + .serdes_tbl_num = ARRAY_SIZE(sm8150_usb3_uniphy_serdes_tbl), + .tx_tbl = sm8350_usb3_uniphy_tx_tbl, + .tx_tbl_num = ARRAY_SIZE(sm8350_usb3_uniphy_tx_tbl), + .rx_tbl = sm8350_usb3_uniphy_rx_tbl, + .rx_tbl_num = ARRAY_SIZE(sm8350_usb3_uniphy_rx_tbl), + .pcs_tbl = qdu1000_usb3_uniphy_pcs_tbl, + .pcs_tbl_num = ARRAY_SIZE(qdu1000_usb3_uniphy_pcs_tbl), + .pcs_usb_tbl = qdu1000_usb3_uniphy_pcs_usb_tbl, + .pcs_usb_tbl_num = ARRAY_SIZE(qdu1000_usb3_uniphy_pcs_usb_tbl), + .vreg_list = qmp_phy_vreg_l, + .num_vregs = ARRAY_SIZE(qmp_phy_vreg_l), + .regs = qmp_v4_usb3phy_regs_layout, + .pcs_usb_offset = 0x1000, + + .has_pwrdn_delay = true, +}; + +static const struct qmp_phy_cfg sa8775p_usb3_uniphy_cfg = { .offsets = &qmp_usb_offsets_v5, .serdes_tbl = sc8280xp_usb3_uniphy_serdes_tbl, @@ -1493,8 +1463,6 @@ static const struct qmp_phy_cfg sa8775p_usb3_uniphy_cfg = { }; static const struct qmp_phy_cfg sc8280xp_usb3_uniphy_cfg = { - .lanes = 1, - .offsets = &qmp_usb_offsets_v5, .serdes_tbl = sc8280xp_usb3_uniphy_serdes_tbl, @@ -1513,8 +1481,6 @@ static const struct qmp_phy_cfg sc8280xp_usb3_uniphy_cfg = { }; static const struct qmp_phy_cfg qmp_v3_usb3_uniphy_cfg = { - .lanes = 1, - .offsets = &qmp_usb_offsets_v3, .serdes_tbl = qmp_v3_usb3_uniphy_serdes_tbl, @@ -1533,8 +1499,6 @@ static const struct qmp_phy_cfg qmp_v3_usb3_uniphy_cfg = { }; static const struct qmp_phy_cfg sm8150_usb3_uniphy_cfg = { - .lanes = 1, - .offsets = &qmp_usb_offsets_v4, .serdes_tbl = sm8150_usb3_uniphy_serdes_tbl, @@ -1556,8 +1520,6 @@ static const struct qmp_phy_cfg sm8150_usb3_uniphy_cfg = { }; static const struct qmp_phy_cfg sm8250_usb3_uniphy_cfg = { - .lanes = 1, - .offsets = &qmp_usb_offsets_v4, .serdes_tbl = sm8150_usb3_uniphy_serdes_tbl, @@ -1579,8 +1541,6 @@ static const struct qmp_phy_cfg sm8250_usb3_uniphy_cfg = { }; static const struct qmp_phy_cfg sdx55_usb3_uniphy_cfg = { - .lanes = 1, - .offsets = &qmp_usb_offsets_v4, .serdes_tbl = sm8150_usb3_uniphy_serdes_tbl, @@ -1602,8 +1562,6 @@ static const struct qmp_phy_cfg sdx55_usb3_uniphy_cfg = { }; static const struct qmp_phy_cfg sdx65_usb3_uniphy_cfg = { - .lanes = 1, - .offsets = &qmp_usb_offsets_v5, .serdes_tbl = sm8150_usb3_uniphy_serdes_tbl, @@ -1625,7 +1583,6 @@ static const struct qmp_phy_cfg sdx65_usb3_uniphy_cfg = { }; static const struct qmp_phy_cfg sdx75_usb3_uniphy_cfg = { - .lanes = 1, .offsets = &qmp_usb_offsets_v6, .serdes_tbl = sdx75_usb3_uniphy_serdes_tbl, @@ -1647,8 +1604,6 @@ static const struct qmp_phy_cfg sdx75_usb3_uniphy_cfg = { }; static const struct qmp_phy_cfg sm8350_usb3_uniphy_cfg = { - .lanes = 1, - .offsets = &qmp_usb_offsets_v5, .serdes_tbl = sm8150_usb3_uniphy_serdes_tbl, @@ -1670,8 +1625,6 @@ static const struct qmp_phy_cfg sm8350_usb3_uniphy_cfg = { }; static const struct qmp_phy_cfg x1e80100_usb3_uniphy_cfg = { - .lanes = 1, - .offsets = &qmp_usb_offsets_v7, .serdes_tbl = x1e80100_usb3_uniphy_serdes_tbl, @@ -1689,32 +1642,6 @@ static const struct qmp_phy_cfg x1e80100_usb3_uniphy_cfg = { .regs = qmp_v7_usb3phy_regs_layout, }; -static void qmp_usb_configure_lane(void __iomem *base, - const struct qmp_phy_init_tbl tbl[], - int num, - u8 lane_mask) -{ - int i; - const struct qmp_phy_init_tbl *t = tbl; - - if (!t) - return; - - for (i = 0; i < num; i++, t++) { - if (!(t->lane_mask & lane_mask)) - continue; - - writel(t->val, base + t->offset); - } -} - -static void qmp_usb_configure(void __iomem *base, - const struct qmp_phy_init_tbl tbl[], - int num) -{ - qmp_usb_configure_lane(base, tbl, num, 0xff); -} - static int qmp_usb_serdes_init(struct qmp_usb *qmp) { const struct qmp_phy_cfg *cfg = qmp->cfg; @@ -1722,7 +1649,7 @@ static int qmp_usb_serdes_init(struct qmp_usb *qmp) const struct qmp_phy_init_tbl *serdes_tbl = cfg->serdes_tbl; int serdes_tbl_num = cfg->serdes_tbl_num; - qmp_usb_configure(serdes, serdes_tbl, serdes_tbl_num); + qmp_configure(serdes, serdes_tbl, serdes_tbl_num); return 0; } @@ -1803,18 +1730,13 @@ static int qmp_usb_power_on(struct phy *phy) } /* Tx, Rx, and PCS configurations */ - qmp_usb_configure_lane(tx, cfg->tx_tbl, cfg->tx_tbl_num, 1); - qmp_usb_configure_lane(rx, cfg->rx_tbl, cfg->rx_tbl_num, 1); + qmp_configure_lane(tx, cfg->tx_tbl, cfg->tx_tbl_num, 1); + qmp_configure_lane(rx, cfg->rx_tbl, cfg->rx_tbl_num, 1); - if (cfg->lanes >= 2) { - qmp_usb_configure_lane(qmp->tx2, cfg->tx_tbl, cfg->tx_tbl_num, 2); - qmp_usb_configure_lane(qmp->rx2, cfg->rx_tbl, cfg->rx_tbl_num, 2); - } - - qmp_usb_configure(pcs, cfg->pcs_tbl, cfg->pcs_tbl_num); + qmp_configure(pcs, cfg->pcs_tbl, cfg->pcs_tbl_num); if (pcs_usb) - qmp_usb_configure(pcs_usb, cfg->pcs_usb_tbl, cfg->pcs_usb_tbl_num); + qmp_configure(pcs_usb, cfg->pcs_usb_tbl, cfg->pcs_usb_tbl_num); if (cfg->has_pwrdn_delay) usleep_range(10, 20); @@ -2157,7 +2079,6 @@ static int qmp_usb_parse_dt_legacy(struct qmp_usb *qmp, struct device_node *np) /* * Get memory resources for the PHY: * Resources are indexed as: tx -> 0; rx -> 1; pcs -> 2. - * For dual lane PHYs: tx2 -> 3, rx2 -> 4, pcs_misc (optional) -> 5 * For single lane PHYs: pcs_misc (optional) -> 3. */ qmp->tx = devm_of_iomap(dev, np, 0, NULL); @@ -2175,19 +2096,7 @@ static int qmp_usb_parse_dt_legacy(struct qmp_usb *qmp, struct device_node *np) if (cfg->pcs_usb_offset) qmp->pcs_usb = qmp->pcs + cfg->pcs_usb_offset; - if (cfg->lanes >= 2) { - qmp->tx2 = devm_of_iomap(dev, np, 3, NULL); - if (IS_ERR(qmp->tx2)) - return PTR_ERR(qmp->tx2); - - qmp->rx2 = devm_of_iomap(dev, np, 4, NULL); - if (IS_ERR(qmp->rx2)) - return PTR_ERR(qmp->rx2); - - qmp->pcs_misc = devm_of_iomap(dev, np, 5, NULL); - } else { - qmp->pcs_misc = devm_of_iomap(dev, np, 3, NULL); - } + qmp->pcs_misc = devm_of_iomap(dev, np, 3, NULL); if (IS_ERR(qmp->pcs_misc)) { dev_vdbg(dev, "PHY pcs_misc-reg not used\n"); @@ -2239,11 +2148,6 @@ static int qmp_usb_parse_dt(struct qmp_usb *qmp) qmp->tx = base + offs->tx; qmp->rx = base + offs->rx; - if (cfg->lanes >= 2) { - qmp->tx2 = base + offs->tx2; - qmp->rx2 = base + offs->rx2; - } - ret = qmp_usb_clk_init(qmp); if (ret) return ret; @@ -2343,6 +2247,9 @@ static const struct of_device_id qmp_usb_of_match_table[] = { .compatible = "qcom,msm8996-qmp-usb3-phy", .data = &msm8996_usb3phy_cfg, }, { + .compatible = "qcom,qdu1000-qmp-usb3-uni-phy", + .data = &qdu1000_usb3_uniphy_cfg, + }, { .compatible = "qcom,sa8775p-qmp-usb3-uni-phy", .data = &sa8775p_usb3_uniphy_cfg, }, { |