diff options
Diffstat (limited to 'drivers/phy/qcom/phy-qcom-qusb2.c')
| -rw-r--r-- | drivers/phy/qcom/phy-qcom-qusb2.c | 44 |
1 files changed, 43 insertions, 1 deletions
diff --git a/drivers/phy/qcom/phy-qcom-qusb2.c b/drivers/phy/qcom/phy-qcom-qusb2.c index c91ba18c4ab..d98f6108e69 100644 --- a/drivers/phy/qcom/phy-qcom-qusb2.c +++ b/drivers/phy/qcom/phy-qcom-qusb2.c @@ -122,6 +122,9 @@ struct qusb2_phy_cfg { /* true if PHY has PLL_CORE_INPUT_OVERRIDE register to reset PLL */ bool has_pll_override; + + /* true if PHY default clk scheme is single-ended */ + bool se_clk_scheme_default; }; /* set of registers with offsets different per-PHY */ @@ -173,6 +176,19 @@ static const unsigned int sm6115_regs_layout[] = { [QUSB2PHY_PORT_POWERDOWN] = 0xb4, [QUSB2PHY_INTR_CTRL] = 0xbc, }; +static const struct qusb2_phy_init_tbl msm8996_init_tbl[] = { + QUSB2_PHY_INIT_CFG_L(QUSB2PHY_PORT_TUNE1, 0xf8), + QUSB2_PHY_INIT_CFG_L(QUSB2PHY_PORT_TUNE2, 0xb3), + QUSB2_PHY_INIT_CFG_L(QUSB2PHY_PORT_TUNE3, 0x83), + QUSB2_PHY_INIT_CFG_L(QUSB2PHY_PORT_TUNE4, 0xc0), + QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_TUNE, 0x30), + QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_USER_CTL1, 0x79), + QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_USER_CTL2, 0x21), + QUSB2_PHY_INIT_CFG_L(QUSB2PHY_PORT_TEST2, 0x14), + QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_AUTOPGM_CTL1, 0x9f), + QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_PWR_CTRL, 0x00), +}; + static const struct qusb2_phy_init_tbl qusb2_v2_init_tbl[] = { QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_ANALOG_CONTROLS_TWO, 0x03), QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_CLOCK_INVERTERS, 0x7c), @@ -214,6 +230,19 @@ static const struct qusb2_phy_cfg sm6115_phy_cfg = { .regs = sm6115_regs_layout, .has_pll_test = true, + .se_clk_scheme_default = true, + .disable_ctrl = (CLAMP_N_EN | FREEZIO_N | POWER_DOWN), + .mask_core_ready = PLL_LOCKED, + .autoresume_en = BIT(3), +}; + +static const struct qusb2_phy_cfg sdm660_phy_cfg = { + .tbl = msm8996_init_tbl, + .tbl_num = ARRAY_SIZE(msm8996_init_tbl), + .regs = sm6115_regs_layout, + + .has_pll_test = true, + .se_clk_scheme_default = false, .disable_ctrl = (CLAMP_N_EN | FREEZIO_N | POWER_DOWN), .mask_core_ready = PLL_LOCKED, .autoresume_en = BIT(3), @@ -228,6 +257,7 @@ static const struct qusb2_phy_cfg qusb2_v2_phy_cfg = { POWER_DOWN), .mask_core_ready = CORE_READY_STATUS, .has_pll_override = true, + .se_clk_scheme_default = true, .autoresume_en = BIT(0), .update_tune1_with_efuse = true, }; @@ -316,8 +346,18 @@ static int qusb2phy_power_on(struct phy *phy) /* Required to get phy pll lock successfully */ udelay(150); + /* + * Not all the SoCs have got a readable TCSR_PHY_CLK_SCHEME + * register in the TCSR so, if there's none, use the default + * value hardcoded in the configuration. + */ + qphy->has_se_clk_scheme = cfg->se_clk_scheme_default; + if (cfg->has_pll_test) { - val |= CLK_REF_SEL; + if (!qphy->has_se_clk_scheme) + val &= ~CLK_REF_SEL; + else + val |= CLK_REF_SEL; writel(val, qphy->base + QUSB2PHY_PLL_TEST); @@ -413,6 +453,8 @@ static const struct udevice_id qusb2phy_ids[] = { { .compatible = "qcom,qusb2-phy" }, { .compatible = "qcom,qcm2290-qusb2-phy", .data = (ulong)&sm6115_phy_cfg }, + { .compatible = "qcom,sdm660-qusb2-phy", + .data = (ulong)&sdm660_phy_cfg }, { .compatible = "qcom,sm6115-qusb2-phy", .data = (ulong)&sm6115_phy_cfg }, { .compatible = "qcom,qusb2-v2-phy", .data = (ulong)&qusb2_v2_phy_cfg }, |