ARM: dts: aspeed: bletchley: Disable GPIOV2 pull-down

The external pull-up cannot drive GPIOV2, so disable GPIOV2 internal
pull-down resistor by the request form HW team.

Signed-off-by: Potin Lai <potin.lai.pt@gmail.com>
Reviewed-by: Patrick Williams <patrick@stwcx.xyz>
Link: https://lore.kernel.org/r/20220613095150.21917-3-potin.lai.pt@gmail.com
Signed-off-by: Joel Stanley <joel@jms.id.au>

diff --git a/arch/arm/boot/dts/aspeed-bmc-facebook-bletchley.dts b/arch/arm/boot/dts/aspeed-bmc-facebook-bletchley.dts
index 8777c9612852c654fe514ca70bbbffc37c07dc61..2853c4da3e345eb0cf22ccbd068922a939da7fec 100644 (file)
--- a/arch/arm/boot/dts/aspeed-bmc-facebook-bletchley.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-facebook-bletchley.dts
@@ -863,6 +863,9 @@
 };
 
 &gpio0 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_gpiov2_unbiased_default>;
+
        gpio-line-names =
        /*A0-A7*/       "","","","","","","","",
        /*B0-B7*/       "FUSB302_SLED1_INT_N","FUSB302_SLED2_INT_N",
@@ -953,3 +956,10 @@
 &ehci0 {
        status = "okay";
 };
+
+&pinctrl {
+       pinctrl_gpiov2_unbiased_default: gpiov2 {
+               pins = "AD14";
+               bias-disable;
+       };
+};