[PATCH] arm64: dts: renesas: r8a779a0: falcon-cpu: Add SW47-SW49 support
From: Kieran Bingham <kieran.bingham@ideasonboard.com>
Date: 2021-09-22 19:41:38
Also in:
linux-renesas-soc, lkml
Subsystem:
arm/risc-v/renesas architecture, the rest · Maintainers:
Geert Uytterhoeven, Magnus Damm, Linus Torvalds
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