* [PATCH] arm64: dts: renesas: r8a779a0: falcon-cpu: Add SW47-SW49 support
@ 2021-09-22 19:41 Kieran Bingham
0 siblings, 0 replies; only message in thread
From: Kieran Bingham @ 2021-09-22 19:41 UTC (permalink / raw)
To: linux-renesas-soc, Geert Uytterhoeven
Cc: Kieran Bingham, Geert Uytterhoeven, Magnus Damm, Rob Herring,
open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS,
open list
Add support for SW47, SW48 and SW49 via "gpio-keys" on the R-Car V3U
Falcon board.
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
---
.../boot/dts/renesas/r8a779a0-falcon-cpu.dtsi | 36 +++++++++++++++++++
1 file changed, 36 insertions(+)
diff --git a/arch/arm64/boot/dts/renesas/r8a779a0-falcon-cpu.dtsi b/arch/arm64/boot/dts/renesas/r8a779a0-falcon-cpu.dtsi
index a0a1a1da0d87..18865c94f5cf 100644
--- a/arch/arm64/boot/dts/renesas/r8a779a0-falcon-cpu.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a779a0-falcon-cpu.dtsi
@@ -6,6 +6,7 @@
*/
#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
#include <dt-bindings/leds/common.h>
#include "r8a779a0.dtsi"
@@ -45,6 +46,36 @@ led-3 {
};
};
+ keys {
+ compatible = "gpio-keys";
+
+ pinctrl-0 = <&keys_pins>;
+ pinctrl-names = "default";
+
+ key-1 {
+ gpios = <&gpio6 18 GPIO_ACTIVE_LOW>;
+ label = "SW47";
+ linux,code = <KEY_1>;
+ debounce-interval = <20>;
+ };
+
+ key-2 {
+ gpios = <&gpio6 19 GPIO_ACTIVE_LOW>;
+ label = "SW48";
+ linux,code = <KEY_2>;
+ debounce-interval = <20>;
+ wakeup-source;
+ };
+
+ key-3 {
+ gpios = <&gpio6 20 GPIO_ACTIVE_LOW>;
+ label = "SW49";
+ linux,code = <KEY_3>;
+ debounce-interval = <20>;
+ wakeup-source;
+ };
+ };
+
memory@48000000 {
device_type = "memory";
/* first 128MB is reserved for secure area. */
@@ -160,6 +191,11 @@ i2c6_pins: i2c6 {
function = "i2c6";
};
+ keys_pins: keys {
+ pins = "GP_6_18", "GP_6_19", "GP_6_20";
+ bias-pull-up;
+ };
+
mmc_pins: mmc {
groups = "mmc_data8", "mmc_ctrl", "mmc_ds";
function = "mmc";
--
2.30.2
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