The PCIe slot PERST signal is active low. Fix the gpio signal
description in the dts.
This happened to work because the pcie_dw_mvebu driver sets the reset
gpio level to 1 (high) to release the reset. The following commit will
fix that.
Signed-off-by: Baruch Siach <bar...@tkos.co.il>
---
arch/arm/dts/armada-8040-mcbin.dts | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/dts/armada-8040-mcbin.dts
b/arch/arm/dts/armada-8040-mcbin.dts
index 7e8e2f707ccf..5a046d9de474 100644
--- a/arch/arm/dts/armada-8040-mcbin.dts
+++ b/arch/arm/dts/armada-8040-mcbin.dts
@@ -132,7 +132,7 @@
num-lanes = <4>;
pinctrl-names = "default";
pinctrl-0 = <&cpm_pcie_reset_pins>;
- marvell,reset-gpio = <&cpm_gpio1 20 GPIO_ACTIVE_HIGH>; /* GPIO[52] */
+ marvell,reset-gpio = <&cpm_gpio1 20 GPIO_ACTIVE_LOW>; /* GPIO[52] */
status = "okay";
};
--
2.20.1
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