diff options
| author | Georgi Djakov <georgi.djakov@linaro.org> | 2018-03-20 09:57:34 +0800 |
|---|---|---|
| committer | Georgi Djakov <georgi.djakov@linaro.org> | 2018-05-21 16:09:47 +0300 |
| commit | b20423ef2c0d38d89ffb16de66bd26addc81dd34 (patch) | |
| tree | da5a8051dd7e2d6bf43c201dc532b968b54ed63c | |
| parent | e97dd6a590668821b97dcdf87ea9e9c893d43717 (diff) | |
PCI: qcom: Use the interconnect API
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
| -rw-r--r-- | drivers/pci/dwc/pcie-qcom.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/pci/dwc/pcie-qcom.c b/drivers/pci/dwc/pcie-qcom.c index 75896b49741e..585f6e3a88ca 100644 --- a/drivers/pci/dwc/pcie-qcom.c +++ b/drivers/pci/dwc/pcie-qcom.c @@ -11,6 +11,7 @@ #include <linux/clk.h> #include <linux/delay.h> #include <linux/gpio.h> +#include <linux/interconnect.h> #include <linux/interrupt.h> #include <linux/io.h> #include <linux/iopoll.h> @@ -110,6 +111,7 @@ 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 { @@ -522,6 +524,10 @@ 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); @@ -552,6 +558,7 @@ 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) @@ -599,6 +606,8 @@ 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); |