diff options
| author | Sebastian Reichel <sebastian.reichel@collabora.com> | 2021-08-04 18:22:54 +0200 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2021-08-09 14:46:50 +0200 |
| commit | 3bbc48e8f199055dfc45536d9654f71be6a796ae (patch) | |
| tree | 6515a55b585f9e0b2400d5da2bf7a05487847325 | |
| parent | 0ac226b3c6b7517763c52bb00907dbca08392ee8 (diff) | |
board: ge: bx50v3: Add PCIe reset to DT
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>
| -rw-r--r-- | arch/arm/dts/imx6q-bx50v3-uboot.dtsi | 10 | ||||
| -rw-r--r-- | include/configs/ge_bx50v3.h | 1 |
2 files changed, 10 insertions, 1 deletions
diff --git a/arch/arm/dts/imx6q-bx50v3-uboot.dtsi b/arch/arm/dts/imx6q-bx50v3-uboot.dtsi index b54e8e6ada7..0253d2fa6f5 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 2b61172cc73..5be3a49d05f 100644 --- a/include/configs/ge_bx50v3.h +++ b/include/configs/ge_bx50v3.h @@ -150,7 +150,6 @@ #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 */ |