From 3bbc48e8f199055dfc45536d9654f71be6a796ae Mon Sep 17 00:00:00 2001 From: Sebastian Reichel Date: Wed, 4 Aug 2021 18:22:54 +0200 Subject: [PATCH] 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 --- 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 b54e8e6ada..0253d2fa6f 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 2b61172cc7..5be3a49d05 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 */ -- 2.39.5