diff options
Diffstat (limited to 'drivers/pci/host')
| -rw-r--r-- | drivers/pci/host/Kconfig | 4 | ||||
| -rw-r--r-- | drivers/pci/host/Makefile | 2 | ||||
| -rw-r--r-- | drivers/pci/host/pci-imx6.c | 20 |
3 files changed, 17 insertions, 9 deletions
diff --git a/drivers/pci/host/Kconfig b/drivers/pci/host/Kconfig index 7a0780d56d2d..8fb1cf54617d 100644 --- a/drivers/pci/host/Kconfig +++ b/drivers/pci/host/Kconfig @@ -69,11 +69,11 @@ config PCI_RCAR_GEN2 There are 3 internal PCI controllers available with a single built-in EHCI/OHCI host controller present on each one. -config PCI_RCAR_GEN2_PCIE +config PCIE_RCAR bool "Renesas R-Car PCIe controller" depends on ARCH_RENESAS || (ARM && COMPILE_TEST) help - Say Y here if you want PCIe controller support on R-Car Gen2 SoCs. + Say Y here if you want PCIe controller support on R-Car SoCs. config PCI_HOST_COMMON bool diff --git a/drivers/pci/host/Makefile b/drivers/pci/host/Makefile index d85b5faf9bbc..d3d8e1b36fb9 100644 --- a/drivers/pci/host/Makefile +++ b/drivers/pci/host/Makefile @@ -7,7 +7,7 @@ obj-$(CONFIG_PCI_HYPERV) += pci-hyperv.o obj-$(CONFIG_PCI_MVEBU) += pci-mvebu.o obj-$(CONFIG_PCI_TEGRA) += pci-tegra.o obj-$(CONFIG_PCI_RCAR_GEN2) += pci-rcar-gen2.o -obj-$(CONFIG_PCI_RCAR_GEN2_PCIE) += pcie-rcar.o +obj-$(CONFIG_PCIE_RCAR) += pcie-rcar.o obj-$(CONFIG_PCI_HOST_COMMON) += pci-host-common.o obj-$(CONFIG_PCI_HOST_GENERIC) += pci-host-generic.o obj-$(CONFIG_PCIE_SPEAR13XX) += pcie-spear13xx.o diff --git a/drivers/pci/host/pci-imx6.c b/drivers/pci/host/pci-imx6.c index eb5a2755a164..2f817fa4c661 100644 --- a/drivers/pci/host/pci-imx6.c +++ b/drivers/pci/host/pci-imx6.c @@ -32,7 +32,7 @@ #define to_imx6_pcie(x) container_of(x, struct imx6_pcie, pp) struct imx6_pcie { - struct gpio_desc *reset_gpio; + int reset_gpio; struct clk *pcie_bus; struct clk *pcie_phy; struct clk *pcie; @@ -309,10 +309,10 @@ static int imx6_pcie_deassert_core_reset(struct pcie_port *pp) usleep_range(200, 500); /* Some boards don't have PCIe reset GPIO. */ - if (imx6_pcie->reset_gpio) { - gpiod_set_value_cansleep(imx6_pcie->reset_gpio, 0); + if (gpio_is_valid(imx6_pcie->reset_gpio)) { + gpio_set_value_cansleep(imx6_pcie->reset_gpio, 0); msleep(100); - gpiod_set_value_cansleep(imx6_pcie->reset_gpio, 1); + gpio_set_value_cansleep(imx6_pcie->reset_gpio, 1); } return 0; @@ -523,6 +523,7 @@ static int __init imx6_pcie_probe(struct platform_device *pdev) { struct imx6_pcie *imx6_pcie; struct pcie_port *pp; + struct device_node *np = pdev->dev.of_node; struct resource *dbi_base; struct device_node *node = pdev->dev.of_node; int ret; @@ -544,8 +545,15 @@ static int __init imx6_pcie_probe(struct platform_device *pdev) return PTR_ERR(pp->dbi_base); /* Fetch GPIOs */ - imx6_pcie->reset_gpio = devm_gpiod_get_optional(&pdev->dev, "reset", - GPIOD_OUT_LOW); + imx6_pcie->reset_gpio = of_get_named_gpio(np, "reset-gpio", 0); + if (gpio_is_valid(imx6_pcie->reset_gpio)) { + ret = devm_gpio_request_one(&pdev->dev, imx6_pcie->reset_gpio, + GPIOF_OUT_INIT_LOW, "PCIe reset"); + if (ret) { + dev_err(&pdev->dev, "unable to get reset gpio\n"); + return ret; + } + } /* Fetch clocks */ imx6_pcie->pcie_phy = devm_clk_get(&pdev->dev, "pcie_phy"); |