arm: mvebu: cf gt-8k: dts: add PCIe slot reset support

Describe the mini-PCIe slot gpio reset signal. This enables PCIe devices
on Clearfog GT-8K.

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Reviewed-by: Stefan Roese <sr@denx.de>
Signed-off-by: Stefan Roese <sr@denx.de>

diff --git a/arch/arm/dts/armada-8040-clearfog-gt-8k.dts b/arch/arm/dts/armada-8040-clearfog-gt-8k.dts
index 498105f..cdff44a 100644 (file)
--- a/arch/arm/dts/armada-8040-clearfog-gt-8k.dts
+++ b/arch/arm/dts/armada-8040-clearfog-gt-8k.dts
@@ -99,6 +99,11 @@
                     0    0    0    0    0    0    0xe  0xe  0xe  0xe
                     0xe  0xe  0 >;
 
+       cpm_pcie_reset_pins: cpm-pcie-reset-pins {
+               marvell,pins = < 32 >;
+               marvell,function = <0>;
+       };
+
        cpm_xhci_vbus_pins: cpm-xhci-vbus-pins {
                marvell,pins = < 47 >;
                marvell,function = <0>;
@@ -120,6 +125,9 @@
 
 &cpm_pcie0 {
        num-lanes = <1>;
+       pinctrl-names = "default";
+       pinctrl-0 = <&cpm_pcie_reset_pins>;
+       marvell,reset-gpio = <&cpm_gpio1 0 GPIO_ACTIVE_LOW>;
        status = "okay";
 };