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Message-Id: <20220301072511.117818-5-bhupesh.sharma@linaro.org>
Date: Tue, 1 Mar 2022 12:55:08 +0530
From: Bhupesh Sharma <bhupesh.sharma@...aro.org>
To: linux-arm-msm@...r.kernel.org, linux-pci@...r.kernel.org,
devicetree@...r.kernel.org
Cc: bhupesh.sharma@...aro.org, bhupesh.linux@...il.com,
lorenzo.pieralisi@....com, agross@...nel.org,
bjorn.andersson@...aro.org, svarbanov@...sol.com,
bhelgaas@...gle.com, linux-kernel@...r.kernel.org,
robh+dt@...nel.org, sboyd@...nel.org, mturquette@...libre.com,
linux-clk@...r.kernel.org, Vinod Koul <vkoul@...nel.org>
Subject: [PATCH v2 4/7] phy: qcom-qmp: Add SM8150 PCIe QMP PHYs
SM8150 has multiple (different) PHY versions:
QMP GEN3x1 PHY - 1 lane
QMP GEN3x2 PHY - 2 lanes
Add support for these with relevant init sequence.
Cc: Bjorn Andersson <bjorn.andersson@...aro.org>
Cc: Vinod Koul <vkoul@...nel.org>
Signed-off-by: Bhupesh Sharma <bhupesh.sharma@...aro.org>
---
drivers/phy/qualcomm/phy-qcom-qmp.c | 90 +++++++++++++++++++++++++++++
1 file changed, 90 insertions(+)
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c b/drivers/phy/qualcomm/phy-qcom-qmp.c
index 8ea87c69f463..0805c1bab690 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp.c
@@ -3294,6 +3294,11 @@ static const char * const sdm845_pciephy_clk_l[] = {
"aux", "cfg_ahb", "ref", "refgen",
};
+/* the pcie phy on sm8150 doesn't have a ref clock */
+static const char * const sm8150_pciephy_clk_l[] = {
+ "aux", "cfg_ahb", "refgen",
+};
+
static const char * const qmp_v4_phy_clk_l[] = {
"aux", "ref_clk_src", "ref", "com_aux",
};
@@ -3583,6 +3588,85 @@ static const struct qmp_phy_cfg sdm845_qhp_pciephy_cfg = {
.pwrdn_delay_max = 1005, /* us */
};
+static const struct qmp_phy_cfg sm8150_qmp_gen3x1_pciephy_cfg = {
+ .type = PHY_TYPE_PCIE,
+ .nlanes = 1,
+
+ .serdes_tbl = sm8250_qmp_pcie_serdes_tbl,
+ .serdes_tbl_num = ARRAY_SIZE(sm8250_qmp_pcie_serdes_tbl),
+ .serdes_tbl_sec = sm8250_qmp_gen3x1_pcie_serdes_tbl,
+ .serdes_tbl_num_sec = ARRAY_SIZE(sm8250_qmp_gen3x1_pcie_serdes_tbl),
+ .tx_tbl = sm8250_qmp_pcie_tx_tbl,
+ .tx_tbl_num = ARRAY_SIZE(sm8250_qmp_pcie_tx_tbl),
+ .rx_tbl = sm8250_qmp_pcie_rx_tbl,
+ .rx_tbl_num = ARRAY_SIZE(sm8250_qmp_pcie_rx_tbl),
+ .rx_tbl_sec = sm8250_qmp_gen3x1_pcie_rx_tbl,
+ .rx_tbl_num_sec = ARRAY_SIZE(sm8250_qmp_gen3x1_pcie_rx_tbl),
+ .pcs_tbl = sm8250_qmp_pcie_pcs_tbl,
+ .pcs_tbl_num = ARRAY_SIZE(sm8250_qmp_pcie_pcs_tbl),
+ .pcs_tbl_sec = sm8250_qmp_gen3x1_pcie_pcs_tbl,
+ .pcs_tbl_num_sec = ARRAY_SIZE(sm8250_qmp_gen3x1_pcie_pcs_tbl),
+ .pcs_misc_tbl = sm8250_qmp_pcie_pcs_misc_tbl,
+ .pcs_misc_tbl_num = ARRAY_SIZE(sm8250_qmp_pcie_pcs_misc_tbl),
+ .pcs_misc_tbl_sec = sm8250_qmp_gen3x1_pcie_pcs_misc_tbl,
+ .pcs_misc_tbl_num_sec = ARRAY_SIZE(sm8250_qmp_gen3x1_pcie_pcs_misc_tbl),
+ .clk_list = sm8150_pciephy_clk_l,
+ .num_clks = ARRAY_SIZE(sm8150_pciephy_clk_l),
+ .reset_list = sdm845_pciephy_reset_l,
+ .num_resets = ARRAY_SIZE(sdm845_pciephy_reset_l),
+ .vreg_list = qmp_phy_vreg_l,
+ .num_vregs = ARRAY_SIZE(qmp_phy_vreg_l),
+ .regs = sm8250_pcie_regs_layout,
+
+ .start_ctrl = PCS_START | SERDES_START,
+ .pwrdn_ctrl = SW_PWRDN | REFCLK_DRV_DSBL,
+ .phy_status = PHYSTATUS,
+
+ .has_pwrdn_delay = true,
+ .pwrdn_delay_min = 995, /* us */
+ .pwrdn_delay_max = 1005, /* us */
+};
+
+static const struct qmp_phy_cfg sm8150_qmp_gen3x2_pciephy_cfg = {
+ .type = PHY_TYPE_PCIE,
+ .nlanes = 2,
+
+ .serdes_tbl = sm8250_qmp_pcie_serdes_tbl,
+ .serdes_tbl_num = ARRAY_SIZE(sm8250_qmp_pcie_serdes_tbl),
+ .tx_tbl = sm8250_qmp_pcie_tx_tbl,
+ .tx_tbl_num = ARRAY_SIZE(sm8250_qmp_pcie_tx_tbl),
+ .tx_tbl_sec = sm8250_qmp_gen3x2_pcie_tx_tbl,
+ .tx_tbl_num_sec = ARRAY_SIZE(sm8250_qmp_gen3x2_pcie_tx_tbl),
+ .rx_tbl = sm8250_qmp_pcie_rx_tbl,
+ .rx_tbl_num = ARRAY_SIZE(sm8250_qmp_pcie_rx_tbl),
+ .rx_tbl_sec = sm8250_qmp_gen3x2_pcie_rx_tbl,
+ .rx_tbl_num_sec = ARRAY_SIZE(sm8250_qmp_gen3x2_pcie_rx_tbl),
+ .pcs_tbl = sm8250_qmp_pcie_pcs_tbl,
+ .pcs_tbl_num = ARRAY_SIZE(sm8250_qmp_pcie_pcs_tbl),
+ .pcs_tbl_sec = sm8250_qmp_gen3x2_pcie_pcs_tbl,
+ .pcs_tbl_num_sec = ARRAY_SIZE(sm8250_qmp_gen3x2_pcie_pcs_tbl),
+ .pcs_misc_tbl = sm8250_qmp_pcie_pcs_misc_tbl,
+ .pcs_misc_tbl_num = ARRAY_SIZE(sm8250_qmp_pcie_pcs_misc_tbl),
+ .pcs_misc_tbl_sec = sm8250_qmp_gen3x2_pcie_pcs_misc_tbl,
+ .pcs_misc_tbl_num_sec = ARRAY_SIZE(sm8250_qmp_gen3x2_pcie_pcs_misc_tbl),
+ .clk_list = sm8150_pciephy_clk_l,
+ .num_clks = ARRAY_SIZE(sm8150_pciephy_clk_l),
+ .reset_list = sdm845_pciephy_reset_l,
+ .num_resets = ARRAY_SIZE(sdm845_pciephy_reset_l),
+ .vreg_list = qmp_phy_vreg_l,
+ .num_vregs = ARRAY_SIZE(qmp_phy_vreg_l),
+ .regs = sm8250_pcie_regs_layout,
+
+ .start_ctrl = PCS_START | SERDES_START,
+ .pwrdn_ctrl = SW_PWRDN | REFCLK_DRV_DSBL,
+ .phy_status = PHYSTATUS,
+
+ .is_dual_lane_phy = true,
+ .has_pwrdn_delay = true,
+ .pwrdn_delay_min = 995, /* us */
+ .pwrdn_delay_max = 1005, /* us */
+};
+
static const struct qmp_phy_cfg sm8250_qmp_gen3x1_pciephy_cfg = {
.type = PHY_TYPE_PCIE,
.nlanes = 1,
@@ -6004,6 +6088,12 @@ static const struct of_device_id qcom_qmp_phy_of_match_table[] = {
}, {
.compatible = "qcom,sm6115-qmp-ufs-phy",
.data = &sm6115_ufsphy_cfg,
+ }, {
+ .compatible = "qcom,sm8150-qmp-gen3x1-pcie-phy",
+ .data = &sm8150_qmp_gen3x1_pciephy_cfg,
+ }, {
+ .compatible = "qcom,sm8150-qmp-gen3x2-pcie-phy",
+ .data = &sm8150_qmp_gen3x2_pciephy_cfg,
}, {
.compatible = "qcom,sm8150-qmp-ufs-phy",
.data = &sm8150_ufsphy_cfg,
--
2.35.1
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