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| author | Nikhil Devshatwar <nikhil.nd@ti.com> | 2019-08-09 13:59:47 +0530 |
|---|---|---|
| committer | Tero Kristo <t-kristo@ti.com> | 2019-08-29 16:04:59 +0300 |
| commit | 2dc61b58efbcc320fce03cdf824404d804c5b31a (patch) | |
| tree | 13781feaf94eaec99dbd11cc898c32f8c34e98b8 /arch/arm64/boot | |
| parent | 7548205ae51c70290642f0e8cc72aa10d0c92cfb (diff) | |
| download | linux-2dc61b58efbcc320fce03cdf824404d804c5b31a.tar.gz linux-2dc61b58efbcc320fce03cdf824404d804c5b31a.tar.bz2 linux-2dc61b58efbcc320fce03cdf824404d804c5b31a.zip | |
arm64: dts: k3-j721e: Add gpio-keys on common processor board
Common processor board for K3 J721E platform has two push buttons
namely SW10 and SW11.
Add a gpio-keys device node to model them as input keys in Linux.
Add required pinmux nodes to set GPIO pins as input.
Signed-off-by: Nikhil Devshatwar <nikhil.nd@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Diffstat (limited to 'arch/arm64/boot')
| -rw-r--r-- | arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts index 509579ca3db2..d2894d55fbbe 100644 --- a/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts +++ b/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts @@ -6,12 +6,49 @@ /dts-v1/; #include "k3-j721e-som-p0.dtsi" +#include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/input/input.h> / { chosen { stdout-path = "serial2:115200n8"; bootargs = "console=ttyS2,115200n8 earlycon=ns16550a,mmio32,0x02800000"; }; + + gpio_keys: gpio-keys { + compatible = "gpio-keys"; + autorepeat; + pinctrl-names = "default"; + pinctrl-0 = <&sw10_button_pins_default &sw11_button_pins_default>; + + sw10: sw10 { + label = "GPIO Key USER1"; + linux,code = <BTN_0>; + gpios = <&main_gpio0 0 GPIO_ACTIVE_LOW>; + }; + + sw11: sw11 { + label = "GPIO Key USER2"; + linux,code = <BTN_1>; + gpios = <&wkup_gpio0 7 GPIO_ACTIVE_LOW>; + }; + }; +}; + +&main_pmx0 { + sw10_button_pins_default: sw10_button_pins_default { + pinctrl-single,pins = < + J721E_IOPAD(0x0, PIN_INPUT, 7) /* (AC18) EXTINTn.GPIO0_0 */ + >; + }; +}; + +&wkup_pmx0 { + sw11_button_pins_default: sw11_button_pins_default { + pinctrl-single,pins = < + J721E_WKUP_IOPAD(0xcc, PIN_INPUT, 7) /* (G28) WKUP_GPIO0_7 */ + >; + }; }; &wkup_uart0 { |