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authorLucas Stach <l.stach@pengutronix.de>2014-03-28 20:52:55 +0400
committerBjorn Helgaas <bhelgaas@google.com>2014-05-30 21:22:46 +0400
commit57526136532408bacf2f68c26027abc2924b45d1 (patch)
tree552a0019890f309f081ea0ae706b0f776c144732 /drivers/pci/host/pci-imx6.c
parent44cb5e94f96cef72a977fc5fdea8095bc0ae25ba (diff)
downloadlinux-57526136532408bacf2f68c26027abc2924b45d1.tar.xz
PCI: imx6: Use new clock names
As defined in the new binding. Signed-off-by: Lucas Stach <l.stach@pengutronix.de> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Richard Zhu <r65037@freescale.com>
Diffstat (limited to 'drivers/pci/host/pci-imx6.c')
-rw-r--r--drivers/pci/host/pci-imx6.c74
1 files changed, 29 insertions, 45 deletions
diff --git a/drivers/pci/host/pci-imx6.c b/drivers/pci/host/pci-imx6.c
index facbf8faa353..e080ae326ba6 100644
--- a/drivers/pci/host/pci-imx6.c
+++ b/drivers/pci/host/pci-imx6.c
@@ -35,10 +35,9 @@ struct imx6_pcie {
int power_on_gpio;
int wake_up_gpio;
int disable_gpio;
- struct clk *lvds_gate;
- struct clk *sata_ref_100m;
- struct clk *pcie_ref_125m;
- struct clk *pcie_axi;
+ struct clk *pcie_bus;
+ struct clk *pcie_phy;
+ struct clk *pcie;
struct pcie_port pp;
struct regmap *iomuxc_gpr;
void __iomem *mem_base;
@@ -239,28 +238,22 @@ static int imx6_pcie_deassert_core_reset(struct pcie_port *pp)
regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR1,
IMX6Q_GPR1_PCIE_REF_CLK_EN, 1 << 16);
- ret = clk_prepare_enable(imx6_pcie->sata_ref_100m);
+ ret = clk_prepare_enable(imx6_pcie->pcie_phy);
if (ret) {
- dev_err(pp->dev, "unable to enable sata_ref_100m\n");
- goto err_sata_ref;
+ dev_err(pp->dev, "unable to enable pcie_phy clock\n");
+ goto err_pcie_phy;
}
- ret = clk_prepare_enable(imx6_pcie->pcie_ref_125m);
+ ret = clk_prepare_enable(imx6_pcie->pcie_bus);
if (ret) {
- dev_err(pp->dev, "unable to enable pcie_ref_125m\n");
- goto err_pcie_ref;
+ dev_err(pp->dev, "unable to enable pcie_bus clock\n");
+ goto err_pcie_bus;
}
- ret = clk_prepare_enable(imx6_pcie->lvds_gate);
+ ret = clk_prepare_enable(imx6_pcie->pcie);
if (ret) {
- dev_err(pp->dev, "unable to enable lvds_gate\n");
- goto err_lvds_gate;
- }
-
- ret = clk_prepare_enable(imx6_pcie->pcie_axi);
- if (ret) {
- dev_err(pp->dev, "unable to enable pcie_axi\n");
- goto err_pcie_axi;
+ dev_err(pp->dev, "unable to enable pcie clock\n");
+ goto err_pcie;
}
/* allow the clocks to stabilize */
@@ -274,13 +267,11 @@ static int imx6_pcie_deassert_core_reset(struct pcie_port *pp)
}
return 0;
-err_pcie_axi:
- clk_disable_unprepare(imx6_pcie->lvds_gate);
-err_lvds_gate:
- clk_disable_unprepare(imx6_pcie->pcie_ref_125m);
-err_pcie_ref:
- clk_disable_unprepare(imx6_pcie->sata_ref_100m);
-err_sata_ref:
+err_pcie:
+ clk_disable_unprepare(imx6_pcie->pcie_bus);
+err_pcie_bus:
+ clk_disable_unprepare(imx6_pcie->pcie_phy);
+err_pcie_phy:
return ret;
}
@@ -583,32 +574,25 @@ static int __init imx6_pcie_probe(struct platform_device *pdev)
}
/* Fetch clocks */
- imx6_pcie->lvds_gate = devm_clk_get(&pdev->dev, "lvds_gate");
- if (IS_ERR(imx6_pcie->lvds_gate)) {
- dev_err(&pdev->dev,
- "lvds_gate clock select missing or invalid\n");
- return PTR_ERR(imx6_pcie->lvds_gate);
- }
-
- imx6_pcie->sata_ref_100m = devm_clk_get(&pdev->dev, "sata_ref_100m");
- if (IS_ERR(imx6_pcie->sata_ref_100m)) {
+ imx6_pcie->pcie_phy = devm_clk_get(&pdev->dev, "pcie_phy");
+ if (IS_ERR(imx6_pcie->pcie_phy)) {
dev_err(&pdev->dev,
- "sata_ref_100m clock source missing or invalid\n");
- return PTR_ERR(imx6_pcie->sata_ref_100m);
+ "pcie_phy clock source missing or invalid\n");
+ return PTR_ERR(imx6_pcie->pcie_phy);
}
- imx6_pcie->pcie_ref_125m = devm_clk_get(&pdev->dev, "pcie_ref_125m");
- if (IS_ERR(imx6_pcie->pcie_ref_125m)) {
+ imx6_pcie->pcie_bus = devm_clk_get(&pdev->dev, "pcie_bus");
+ if (IS_ERR(imx6_pcie->pcie_bus)) {
dev_err(&pdev->dev,
- "pcie_ref_125m clock source missing or invalid\n");
- return PTR_ERR(imx6_pcie->pcie_ref_125m);
+ "pcie_bus clock source missing or invalid\n");
+ return PTR_ERR(imx6_pcie->pcie_bus);
}
- imx6_pcie->pcie_axi = devm_clk_get(&pdev->dev, "pcie_axi");
- if (IS_ERR(imx6_pcie->pcie_axi)) {
+ imx6_pcie->pcie = devm_clk_get(&pdev->dev, "pcie");
+ if (IS_ERR(imx6_pcie->pcie)) {
dev_err(&pdev->dev,
- "pcie_axi clock source missing or invalid\n");
- return PTR_ERR(imx6_pcie->pcie_axi);
+ "pcie clock source missing or invalid\n");
+ return PTR_ERR(imx6_pcie->pcie);
}
/* Grab GPR config register range */