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| author |   Simon Shields <simon@lineageos.org> | 2019-11-12 16:53:23 +0100 |
|---|---|---|
| committer |   Krzysztof Kozlowski <krzk@kernel.org> | 2019-11-13 14:18:34 +0100 |
| commit | d4ec0cb050644febad4daf3d379969583f745296 (patch) | |
| tree | 1c392837f8465acbd999c8af23166e8ad689f03b /arch/arm/boot/dts/exynos4412-midas.dtsi | |
| parent | ARM: dts: exynos: Rename children of SysRAM node to "sram" (diff) | |
| download | linux-dev-d4ec0cb050644febad4daf3d379969583f745296.tar.xz linux-dev-d4ec0cb050644febad4daf3d379969583f745296.zip | |
ARM: dts: exynos: Add support for the touch-sensitive buttons on Midas family
Add support for the capacitive touch-sensitive buttons of the
following smartphones:
- Samsung Galaxy SIII (I9300)
- Samsung Galaxy SIII 4G (I9305)
- Samsung Galaxy Note II (N7100)
- Samsung Galaxy Note II 4G (N7105)
The keycodes correspond to markings on the phone case.
Signed-off-by: Simon Shields <simon@lineageos.org>
[GNUtoo@cyberdimension.org: Fixed keycodes, modified commit message]
Signed-off-by: Denis 'GNUtoo' Carikli <GNUtoo@cyberdimension.org>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Diffstat (limited to 'arch/arm/boot/dts/exynos4412-midas.dtsi')
| -rw-r--r-- | arch/arm/boot/dts/exynos4412-midas.dtsi | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/exynos4412-midas.dtsi b/arch/arm/boot/dts/exynos4412-midas.dtsi index 83be3a797411..3023bc3b68ce 100644 --- a/arch/arm/boot/dts/exynos4412-midas.dtsi +++ b/arch/arm/boot/dts/exynos4412-midas.dtsi @@ -13,6 +13,7 @@ #include "exynos4412.dtsi" #include "exynos4412-ppmu-common.dtsi" #include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/input/input.h> #include <dt-bindings/interrupt-controller/irq.h> #include <dt-bindings/clock/maxim,max77686.h> #include <dt-bindings/pinctrl/samsung.h> @@ -92,6 +93,15 @@ enable-active-high; }; + touchkey_reg: voltage-regulator-6 { + compatible = "regulator-fixed"; + regulator-name = "LED_VDD_3.3V"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + enable-active-high; + status = "disabled"; + }; + gpio-keys { compatible = "gpio-keys"; pinctrl-names = "default"; @@ -197,6 +207,25 @@ }; }; + i2c-gpio-4 { + compatible = "i2c-gpio"; + sda-gpios = <&gpl0 2 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + scl-gpios = <&gpl0 1 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + i2c-gpio,delay-us = <2>; + #address-cells = <1>; + #size-cells = <0>; + + touchkey@20 { + compatible = "cypress,midas-touchkey"; + reg = <0x20>; + vdd-supply = <&touchkey_reg>; + vcc-supply = <&ldo5_reg>; + interrupt-parent = <&gpj0>; + interrupts = <3 IRQ_TYPE_EDGE_FALLING>; + linux,keycodes = <KEY_BACK KEY_MENU>; + }; + }; + i2c-mhl { compatible = "i2c-gpio"; gpios = <&gpf0 4 GPIO_ACTIVE_HIGH>, <&gpf0 6 GPIO_ACTIVE_HIGH>; |