ramips: mt7621: pbr-m1: add pcie reset for asm1061

this board has a pcie to sata bridge connected to pcie2 with a
separated pcie reset on gpio7.
add reset-gpios and corresponding pinctrl nodes into dts.

Signed-off-by: Chuanhong Guo <gch981213@gmail.com>

diff --git a/target/linux/ramips/dts/mt7621_d-team_pbr-m1.dts b/target/linux/ramips/dts/mt7621_d-team_pbr-m1.dts
index 6b4d3b35d4927abbe072b093c5032fb32cf906b7..1e17eadde1312539fef03b9324e9987f8b4a88b9 100644 (file)
--- a/target/linux/ramips/dts/mt7621_d-team_pbr-m1.dts
+++ b/target/linux/ramips/dts/mt7621_d-team_pbr-m1.dts
@@ -144,8 +144,20 @@
        };
 };
 
+&pinctrl {
+       uart3_gpio: uart3-gpio {
+               uart3 {
+                       groups = "uart3";
+                       function = "gpio";
+               };
+       };
+};
+
 &pcie {
        status = "okay";
+       pinctrl-0 = <&pcie_pins>, <&uart3_gpio>;
+       reset-gpios = <&gpio 19 GPIO_ACTIVE_LOW>,
+                     <&gpio 7 GPIO_ACTIVE_LOW>;
 };
 
 &pcie0 {