Add PCIe reset gpio to the Bx50v3 devicetree and get get rid of
CONFIG_PCIE_IMX_PERST_GPIO.
Signed-off-by: Sebastian Reichel <sebastian.reic...@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 */
--
2.30.2
