mediatek: filogic: bpi-r3-mini: fix power on M.2 slot

One of the pins requiered by M.2 slot is conflict with spi1,
however, spi1 seems unused so simply disable it for now, this
matches the factory behavior [1].

1. https://github.com/BPI-SINOVOIP/BPI-R3MINI-OPENWRT-V21.02.3/commit/9bd78779f267a21c04c5bb4d16c32e83aae8d1d3

Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org>

diff --git a/target/linux/mediatek/dts/mt7986a-bananapi-bpi-r3-mini.dts b/target/linux/mediatek/dts/mt7986a-bananapi-bpi-r3-mini.dts
index fdf6b8818ce945100e4fd7914d50cde53515935f..09a557c0cb8122d10308204bd1e33c935b845c56 100644 (file)
--- a/target/linux/mediatek/dts/mt7986a-bananapi-bpi-r3-mini.dts
+++ b/target/linux/mediatek/dts/mt7986a-bananapi-bpi-r3-mini.dts
@@ -427,6 +427,11 @@
        };
 
        usb_ngff_pins: usb-ngff-pins {
+               ngff-gnss-off {
+                       pins = "GPIO_6";
+                       drive-strength = <8>;
+                       mediatek,pull-up-adv = <1>;
+               };
                ngff-pe-rst {
                        pins = "GPIO_7";
                        drive-strength = <8>;
@@ -447,6 +452,11 @@
                        drive-strength = <8>;
                        mediatek,pull-up-adv = <1>;
                };
+               ngff-coex {
+                       pins = "SPI1_CS";
+                       drive-strength = <8>;
+                       mediatek,pull-up-adv = <1>;
+               };
        };
 
        wf_2g_5g_pins: wf-2g-5g-pins {
@@ -534,7 +544,8 @@
 &spi1 {
        pinctrl-names = "default";
        pinctrl-0 = <&spic_pins>;
-       status = "okay";
+       /* conflicts with M.2 pin */
+       status = "disabled";
 };
 
 &ssusb {