Add support for single-lane and dual-lane PCIe UNIPHY found on Qualcomm IPQ5332 platform. This UNIPHY is similar to the one present in Qualcomm IPQ5018. Signed-off-by: Praveenkumar I <quic_ipkumar@xxxxxxxxxxx> --- This patch depends on the below series which adds PCIe support in Qualcomm IPQ5018 https://lore.kernel.org/all/20231003120846.28626-1-quic_nsekar@xxxxxxxxxxx/ .../phy/qualcomm/phy-qcom-uniphy-pcie-28lp.c | 44 +++++++++++++++++++ 1 file changed, 44 insertions(+) diff --git a/drivers/phy/qualcomm/phy-qcom-uniphy-pcie-28lp.c b/drivers/phy/qualcomm/phy-qcom-uniphy-pcie-28lp.c index 9f9a03faf6fa..aa71b85eb50e 100644 --- a/drivers/phy/qualcomm/phy-qcom-uniphy-pcie-28lp.c +++ b/drivers/phy/qualcomm/phy-qcom-uniphy-pcie-28lp.c @@ -34,6 +34,10 @@ #define SSCG_CTRL_REG_6 0xb0 #define PCS_INTERNAL_CONTROL_2 0x2d8 +#define PHY_CFG_PLLCFG 0x220 +#define PHY_CFG_EIOS_DTCT_REG 0x3e4 +#define PHY_CFG_GEN3_ALIGN_HOLDOFF_TIME 0x3e8 + #define PHY_MODE_FIXED 0x1 enum qcom_uniphy_pcie_type { @@ -112,6 +116,21 @@ static const struct uniphy_regs ipq5018_regs[] = { }, }; +static const struct uniphy_regs ipq5332_regs[] = { + { + .offset = PHY_CFG_PLLCFG, + .val = 0x30, + }, + { + .offset = PHY_CFG_EIOS_DTCT_REG, + .val = 0x53ef, + }, + { + .offset = PHY_CFG_GEN3_ALIGN_HOLDOFF_TIME, + .val = 0xCf, + }, +}; + static const struct uniphy_pcie_data ipq5018_2x2_data = { .lanes = 2, .lane_offset = 0x800, @@ -121,6 +140,23 @@ static const struct uniphy_pcie_data ipq5018_2x2_data = { .pipe_clk_rate = 125000000, }; +static const struct uniphy_pcie_data ipq5332_x2_data = { + .lanes = 2, + .lane_offset = 0x800, + .phy_type = PHY_TYPE_PCIE_GEN3, + .init_seq = ipq5332_regs, + .init_seq_num = ARRAY_SIZE(ipq5332_regs), + .pipe_clk_rate = 250000000, +}; + +static const struct uniphy_pcie_data ipq5332_x1_data = { + .lanes = 1, + .phy_type = PHY_TYPE_PCIE_GEN3, + .init_seq = ipq5332_regs, + .init_seq_num = ARRAY_SIZE(ipq5332_regs), + .pipe_clk_rate = 250000000, +}; + static void qcom_uniphy_pcie_init(struct qcom_uniphy_pcie *phy) { const struct uniphy_pcie_data *data = phy->data; @@ -270,6 +306,14 @@ static const struct of_device_id qcom_uniphy_pcie_id_table[] = { .compatible = "qcom,ipq5018-uniphy-pcie-gen2x2", .data = &ipq5018_2x2_data, }, + { + .compatible = "qcom,ipq5332-uniphy-pcie-gen3x2", + .data = &ipq5332_x2_data, + }, + { + .compatible = "qcom,ipq5332-uniphy-pcie-gen3x1", + .data = &ipq5332_x1_data, + }, { /* Sentinel */ }, }; MODULE_DEVICE_TABLE(of, qcom_uniphy_pcie_id_table); -- 2.34.1
