Add PCIe reset gpio to the Bx50v3 devicetree and get get rid of CONFIG_PCIE_IMX_PERST_GPIO.
Signed-off-by: Sebastian Reichel sebastian.reichel@collabora.com --- arch/arm/dts/imx6q-bx50v3-uboot.dtsi | 10 ++++++++++ include/configs/ge_bx50v3.h | 1 - 2 files changed, 10 insertions(+), 1 deletion(-)
diff --git a/arch/arm/dts/imx6q-bx50v3-uboot.dtsi b/arch/arm/dts/imx6q-bx50v3-uboot.dtsi index b54e8e6ada74..0253d2fa6f5b 100644 --- a/arch/arm/dts/imx6q-bx50v3-uboot.dtsi +++ b/arch/arm/dts/imx6q-bx50v3-uboot.dtsi @@ -47,3 +47,13 @@ phy-reset-duration = <1>; phy-reset-post-delay = <0>; }; + +/* + * PCIe reset is not done in the file shared with the kernel, since + * this GPIO also resets other peripherals (i.e. not just PCIe). + * These peripherals are being initialized by U-Boot and should not + * be reset by the kernel, so it may not reset PCIe via this GPIO. + */ +&pcie { + reset-gpio = <&gpio7 12 GPIO_ACTIVE_LOW>; +}; diff --git a/include/configs/ge_bx50v3.h b/include/configs/ge_bx50v3.h index 8764efa95bec..baf1a84bffe2 100644 --- a/include/configs/ge_bx50v3.h +++ b/include/configs/ge_bx50v3.h @@ -153,7 +153,6 @@
#define CONFIG_PCI_SCAN_SHOW #define CONFIG_PCIE_IMX -#define CONFIG_PCIE_IMX_PERST_GPIO IMX_GPIO_NR(7, 12) #define CONFIG_PCIE_IMX_POWER_GPIO IMX_GPIO_NR(1, 5)
#endif /* __GE_BX50V3_CONFIG_H */