diff options
Diffstat (limited to 'drivers/pci/controller/dwc/pcie-qcom.c')
| -rw-r--r-- | drivers/pci/controller/dwc/pcie-qcom.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c index a1d0198081a6..7042a56e9583 100644 --- a/drivers/pci/controller/dwc/pcie-qcom.c +++ b/drivers/pci/controller/dwc/pcie-qcom.c @@ -11,6 +11,8 @@ #include <linux/clk.h> #include <linux/delay.h> #include <linux/gpio/consumer.h> +#include <linux/gpio.h> +#include <linux/interconnect.h> #include <linux/interrupt.h> #include <linux/io.h> #include <linux/iopoll.h> @@ -110,6 +112,7 @@ struct qcom_pcie_resources_2_3_2 { struct clk *cfg_clk; struct clk *pipe_clk; struct regulator_bulk_data supplies[QCOM_PCIE_2_3_2_MAX_SUPPLY]; + struct icc_path *path; }; struct qcom_pcie_resources_2_4_0 { @@ -504,6 +507,10 @@ static int qcom_pcie_get_resources_2_3_2(struct qcom_pcie *pcie) if (ret) return ret; + res->path = of_icc_get(dev, "ddr"); + if (IS_ERR(res->path)) + return PTR_ERR(res->path); + res->aux_clk = devm_clk_get(dev, "aux"); if (IS_ERR(res->aux_clk)) return PTR_ERR(res->aux_clk); @@ -534,6 +541,7 @@ static void qcom_pcie_deinit_2_3_2(struct qcom_pcie *pcie) clk_disable_unprepare(res->aux_clk); regulator_bulk_disable(ARRAY_SIZE(res->supplies), res->supplies); + icc_put(res->path); } static void qcom_pcie_post_deinit_2_3_2(struct qcom_pcie *pcie) @@ -581,6 +589,8 @@ static int qcom_pcie_init_2_3_2(struct qcom_pcie *pcie) goto err_slave_clk; } + icc_set(res->path, 500, 800); + /* enable PCIe clocks and resets */ val = readl(pcie->parf + PCIE20_PARF_PHY_CTRL); val &= ~BIT(0); |