From: Thomas Schreiber <tschreibe@xxxxxxxxx>
There is currently no DT binding for GPIO rfkill signals. To make
mini-PCIe attached WiFi devices work, use gpio-hog to hold the
wlan_disable signal de-asserted.
Signed-off-by: Thomas Schreiber <tschreibe@xxxxxxxxx>
[baruch: add pinctrl node; rename tag]
Signed-off-by: Baruch Siach <baruch@xxxxxxxxxx>
---
.../boot/dts/marvell/armada-8040-clearfog-gt-8k.dts | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/marvell/armada-8040-clearfog-gt-8k.dts b/arch/arm64/boot/dts/marvell/armada-8040-clearfog-gt-8k.dts
index 2468762283a5..9143aa13ceb1 100644
--- a/arch/arm64/boot/dts/marvell/armada-8040-clearfog-gt-8k.dts
+++ b/arch/arm64/boot/dts/marvell/armada-8040-clearfog-gt-8k.dts
@@ -226,6 +226,11 @@
marvell,function = "gpio";
};
+ cp0_wlan_disable_pins: wlan-disable-pins {
+ marvell,pins = "mpp51";
+ marvell,function = "gpio";
+ };
+
cp0_sdhci_pins: sdhci-pins {
marvell,pins = "mpp55", "mpp56", "mpp57", "mpp58", "mpp59",
"mpp60", "mpp61";
@@ -235,7 +240,7 @@
&cp0_pcie0 {
pinctrl-names = "default";
- pinctrl-0 = <&cp0_pci0_reset_pins>;
+ pinctrl-0 = <&cp0_pci0_reset_pins &cp0_wlan_disable_pins>;
reset-gpios = <&cp0_gpio2 0 GPIO_ACTIVE_LOW>;
status = "okay";
};
@@ -253,6 +258,12 @@
output-low;
};
+ wlan_disable {
+ gpio-hog;
+ gpios = <19 GPIO_ACTIVE_LOW>;
+ output-low;
+ };
+
lte_disable {
gpio-hog;
gpios = <21 GPIO_ACTIVE_LOW>;
--
2.20.1
