The GPIO pins connected to the 4 Software Switches ("SOFT_SW", SW2) do
not have external pull-up resistors, but rely on internal pull-ups being
enabled. Fortunately this is satisfied by the initial state of these
pins.
Make this explicit by enabling bias-pull-up, to remove the dependency on
initial state and/or boot loader configuration.
While at it, rename the surrounding device node from "gpio-keys" to
"keyboard", to comply with generic node name recommendations.
Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
---
arch/arm/boot/dts/r8a7793-gose.dts | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/r8a7793-gose.dts b/arch/arm/boot/dts/r8a7793-gose.dts
index 87fa57a99399b73d..479e0fdf0c37311e 100644
--- a/arch/arm/boot/dts/r8a7793-gose.dts
+++ b/arch/arm/boot/dts/r8a7793-gose.dts
@@ -64,9 +64,12 @@ memory@40000000 {
reg = <0 0x40000000 0 0x40000000>;
};
- gpio-keys {
+ keyboard {
compatible = "gpio-keys";
+ pinctrl-0 = <&keyboard_pins>;
+ pinctrl-names = "default";
+
key-1 {
gpios = <&gpio5 0 GPIO_ACTIVE_LOW>;
linux,code = <KEY_1>;
@@ -567,6 +570,11 @@ sound_clk_pins: sound_clk {
function = "audio_clk";
};
+ keyboard_pins: keyboard {
+ pins = "GP_5_0", "GP_5_1", "GP_5_2", "GP_5_3";
+ bias-pull-up;
+ };
+
vin0_pins: vin0 {
groups = "vin0_data24", "vin0_sync", "vin0_clkenb", "vin0_clk";
function = "vin0";
--
2.25.1
