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path: root/drivers/pci/controller/dwc/pcie-qcom.c
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Diffstat (limited to 'drivers/pci/controller/dwc/pcie-qcom.c')
-rw-r--r--drivers/pci/controller/dwc/pcie-qcom.c128
1 files changed, 49 insertions, 79 deletions
diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c
index 66886dc6e777..f711acacaeaf 100644
--- a/drivers/pci/controller/dwc/pcie-qcom.c
+++ b/drivers/pci/controller/dwc/pcie-qcom.c
@@ -180,7 +180,7 @@ struct qcom_pcie_resources_2_3_3 {
/* 6 clocks typically, 7 for sm8250 */
struct qcom_pcie_resources_2_7_0 {
- struct clk_bulk_data clks[9];
+ struct clk_bulk_data clks[12];
int num_clks;
struct regulator_bulk_data supplies[2];
struct reset_control *pci_reset;
@@ -208,17 +208,12 @@ struct qcom_pcie_ops {
int (*init)(struct qcom_pcie *pcie);
int (*post_init)(struct qcom_pcie *pcie);
void (*deinit)(struct qcom_pcie *pcie);
- void (*post_deinit)(struct qcom_pcie *pcie);
void (*ltssm_enable)(struct qcom_pcie *pcie);
int (*config_sid)(struct qcom_pcie *pcie);
};
struct qcom_pcie_cfg {
const struct qcom_pcie_ops *ops;
- unsigned int has_tbu_clk:1;
- unsigned int has_ddrss_sf_tbu_clk:1;
- unsigned int has_aggre0_clk:1;
- unsigned int has_aggre1_clk:1;
};
struct qcom_pcie {
@@ -1175,6 +1170,7 @@ static int qcom_pcie_get_resources_2_7_0(struct qcom_pcie *pcie)
struct qcom_pcie_resources_2_7_0 *res = &pcie->res.v2_7_0;
struct dw_pcie *pci = pcie->pci;
struct device *dev = pci->dev;
+ unsigned int num_clks, num_opt_clks;
unsigned int idx;
int ret;
@@ -1195,18 +1191,25 @@ static int qcom_pcie_get_resources_2_7_0(struct qcom_pcie *pcie)
res->clks[idx++].id = "bus_master";
res->clks[idx++].id = "bus_slave";
res->clks[idx++].id = "slave_q2a";
- if (pcie->cfg->has_tbu_clk)
- res->clks[idx++].id = "tbu";
- if (pcie->cfg->has_ddrss_sf_tbu_clk)
- res->clks[idx++].id = "ddrss_sf_tbu";
- if (pcie->cfg->has_aggre0_clk)
- res->clks[idx++].id = "aggre0";
- if (pcie->cfg->has_aggre1_clk)
- res->clks[idx++].id = "aggre1";
+ num_clks = idx;
+
+ ret = devm_clk_bulk_get(dev, num_clks, res->clks);
+ if (ret < 0)
+ return ret;
+
+ res->clks[idx++].id = "tbu";
+ res->clks[idx++].id = "ddrss_sf_tbu";
+ res->clks[idx++].id = "aggre0";
+ res->clks[idx++].id = "aggre1";
+ res->clks[idx++].id = "noc_aggr_4";
+ res->clks[idx++].id = "noc_aggr_south_sf";
+ res->clks[idx++].id = "cnoc_qx";
+
+ num_opt_clks = idx - num_clks;
res->num_clks = idx;
- ret = devm_clk_bulk_get(dev, res->num_clks, res->clks);
+ ret = devm_clk_bulk_get_optional(dev, num_opt_clks, res->clks + num_clks);
if (ret < 0)
return ret;
@@ -1509,15 +1512,13 @@ static int qcom_pcie_host_init(struct dw_pcie_rp *pp)
if (pcie->cfg->ops->config_sid) {
ret = pcie->cfg->ops->config_sid(pcie);
if (ret)
- goto err;
+ goto err_assert_reset;
}
return 0;
-err:
+err_assert_reset:
qcom_ep_reset_assert(pcie);
- if (pcie->cfg->ops->post_deinit)
- pcie->cfg->ops->post_deinit(pcie);
err_disable_phy:
phy_power_off(pcie->phy);
err_deinit:
@@ -1601,68 +1602,35 @@ static const struct qcom_pcie_ops ops_2_9_0 = {
.ltssm_enable = qcom_pcie_2_3_2_ltssm_enable,
};
-static const struct qcom_pcie_cfg apq8084_cfg = {
+static const struct qcom_pcie_cfg cfg_1_0_0 = {
.ops = &ops_1_0_0,
};
-static const struct qcom_pcie_cfg ipq8064_cfg = {
+static const struct qcom_pcie_cfg cfg_1_9_0 = {
+ .ops = &ops_1_9_0,
+};
+
+static const struct qcom_pcie_cfg cfg_2_1_0 = {
.ops = &ops_2_1_0,
};
-static const struct qcom_pcie_cfg msm8996_cfg = {
+static const struct qcom_pcie_cfg cfg_2_3_2 = {
.ops = &ops_2_3_2,
};
-static const struct qcom_pcie_cfg ipq8074_cfg = {
+static const struct qcom_pcie_cfg cfg_2_3_3 = {
.ops = &ops_2_3_3,
};
-static const struct qcom_pcie_cfg ipq4019_cfg = {
+static const struct qcom_pcie_cfg cfg_2_4_0 = {
.ops = &ops_2_4_0,
};
-static const struct qcom_pcie_cfg sdm845_cfg = {
+static const struct qcom_pcie_cfg cfg_2_7_0 = {
.ops = &ops_2_7_0,
- .has_tbu_clk = true,
-};
-
-static const struct qcom_pcie_cfg sm8150_cfg = {
- /* sm8150 has qcom IP rev 1.5.0. However 1.5.0 ops are same as
- * 1.9.0, so reuse the same.
- */
- .ops = &ops_1_9_0,
-};
-
-static const struct qcom_pcie_cfg sm8250_cfg = {
- .ops = &ops_1_9_0,
- .has_tbu_clk = true,
- .has_ddrss_sf_tbu_clk = true,
-};
-
-static const struct qcom_pcie_cfg sm8450_pcie0_cfg = {
- .ops = &ops_1_9_0,
- .has_ddrss_sf_tbu_clk = true,
- .has_aggre0_clk = true,
- .has_aggre1_clk = true,
-};
-
-static const struct qcom_pcie_cfg sm8450_pcie1_cfg = {
- .ops = &ops_1_9_0,
- .has_ddrss_sf_tbu_clk = true,
- .has_aggre1_clk = true,
-};
-
-static const struct qcom_pcie_cfg sc7280_cfg = {
- .ops = &ops_1_9_0,
- .has_tbu_clk = true,
-};
-
-static const struct qcom_pcie_cfg sc8180x_cfg = {
- .ops = &ops_1_9_0,
- .has_tbu_clk = true,
};
-static const struct qcom_pcie_cfg ipq6018_cfg = {
+static const struct qcom_pcie_cfg cfg_2_9_0 = {
.ops = &ops_2_9_0,
};
@@ -1761,22 +1729,24 @@ err_pm_runtime_put:
}
static const struct of_device_id qcom_pcie_match[] = {
- { .compatible = "qcom,pcie-apq8084", .data = &apq8084_cfg },
- { .compatible = "qcom,pcie-ipq8064", .data = &ipq8064_cfg },
- { .compatible = "qcom,pcie-ipq8064-v2", .data = &ipq8064_cfg },
- { .compatible = "qcom,pcie-apq8064", .data = &ipq8064_cfg },
- { .compatible = "qcom,pcie-msm8996", .data = &msm8996_cfg },
- { .compatible = "qcom,pcie-ipq8074", .data = &ipq8074_cfg },
- { .compatible = "qcom,pcie-ipq4019", .data = &ipq4019_cfg },
- { .compatible = "qcom,pcie-qcs404", .data = &ipq4019_cfg },
- { .compatible = "qcom,pcie-sdm845", .data = &sdm845_cfg },
- { .compatible = "qcom,pcie-sm8150", .data = &sm8150_cfg },
- { .compatible = "qcom,pcie-sm8250", .data = &sm8250_cfg },
- { .compatible = "qcom,pcie-sc8180x", .data = &sc8180x_cfg },
- { .compatible = "qcom,pcie-sm8450-pcie0", .data = &sm8450_pcie0_cfg },
- { .compatible = "qcom,pcie-sm8450-pcie1", .data = &sm8450_pcie1_cfg },
- { .compatible = "qcom,pcie-sc7280", .data = &sc7280_cfg },
- { .compatible = "qcom,pcie-ipq6018", .data = &ipq6018_cfg },
+ { .compatible = "qcom,pcie-apq8064", .data = &cfg_2_1_0 },
+ { .compatible = "qcom,pcie-apq8084", .data = &cfg_1_0_0 },
+ { .compatible = "qcom,pcie-ipq4019", .data = &cfg_2_4_0 },
+ { .compatible = "qcom,pcie-ipq6018", .data = &cfg_2_9_0 },
+ { .compatible = "qcom,pcie-ipq8064", .data = &cfg_2_1_0 },
+ { .compatible = "qcom,pcie-ipq8064-v2", .data = &cfg_2_1_0 },
+ { .compatible = "qcom,pcie-ipq8074", .data = &cfg_2_3_3 },
+ { .compatible = "qcom,pcie-msm8996", .data = &cfg_2_3_2 },
+ { .compatible = "qcom,pcie-qcs404", .data = &cfg_2_4_0 },
+ { .compatible = "qcom,pcie-sa8540p", .data = &cfg_1_9_0 },
+ { .compatible = "qcom,pcie-sc7280", .data = &cfg_1_9_0 },
+ { .compatible = "qcom,pcie-sc8180x", .data = &cfg_1_9_0 },
+ { .compatible = "qcom,pcie-sc8280xp", .data = &cfg_1_9_0 },
+ { .compatible = "qcom,pcie-sdm845", .data = &cfg_2_7_0 },
+ { .compatible = "qcom,pcie-sm8150", .data = &cfg_1_9_0 },
+ { .compatible = "qcom,pcie-sm8250", .data = &cfg_1_9_0 },
+ { .compatible = "qcom,pcie-sm8450-pcie0", .data = &cfg_1_9_0 },
+ { .compatible = "qcom,pcie-sm8450-pcie1", .data = &cfg_1_9_0 },
{ }
};