diff options
| author | Jonathan Bakker <xc-racer2@live.ca> | 2020-05-01 16:50:09 -0700 |
|---|---|---|
| committer | Krzysztof Kozlowski <krzk@kernel.org> | 2020-05-04 17:13:04 +0200 |
| commit | 849994778e485d2185c2e9363e89e3eb5410e10e (patch) | |
| tree | 07e05fb919c9a3cb1bf4a74293e065e5e9705f91 /arch/arm/boot/dts/s5pv210-aries.dtsi | |
| parent | 3a4e7635d120dd1856ef8758724e7c6ec9a4d9d1 (diff) | |
ARM: dts: s5pv210: Add touchkey support to Aries boards
Aries boards have soft touchkeys, manufactured by Cypress,
attached over i2c-gpio.
Signed-off-by: Jonathan Bakker <xc-racer2@live.ca>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Diffstat (limited to 'arch/arm/boot/dts/s5pv210-aries.dtsi')
| -rw-r--r-- | arch/arm/boot/dts/s5pv210-aries.dtsi | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/s5pv210-aries.dtsi b/arch/arm/boot/dts/s5pv210-aries.dtsi index 6233884713cb..6683ecec905a 100644 --- a/arch/arm/boot/dts/s5pv210-aries.dtsi +++ b/arch/arm/boot/dts/s5pv210-aries.dtsi @@ -16,6 +16,7 @@ i2c6 = &i2c_pmic; i2c7 = &i2c_musb; i2c9 = &i2c_fuel; + i2c10 = &i2c_touchkey; }; memory@30000000 { @@ -50,6 +51,18 @@ gpio = <&gpj1 1 GPIO_ACTIVE_HIGH>; }; + touchkey_vdd: regulator-fixed-1 { + compatible = "regulator-fixed"; + regulator-name = "VTOUCH_3.3V"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + enable-active-high; + gpio = <&gpj3 2 GPIO_ACTIVE_HIGH>; + + pinctrl-names = "default"; + pinctrl-0 = <&touchkey_vdd_ena>; + }; + wifi_pwrseq: wifi-pwrseq { compatible = "mmc-pwrseq-simple"; reset-gpios = <&gpg1 2 GPIO_ACTIVE_LOW>; @@ -400,6 +413,32 @@ }; }; + i2c_touchkey: i2c-gpio-5 { + compatible = "i2c-gpio"; + sda-gpios = <&gpj3 0 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + scl-gpios = <&gpj3 1 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + i2c-gpio,delay-us = <2>; + #address-cells = <1>; + #size-cells = <0>; + + pinctrl-names = "default"; + pinctrl-0 = <&touchkey_i2c_pins>; + + touchkey@20 { + compatible = "cypress,aries-touchkey"; + reg = <0x20>; + vdd-supply = <&touchkey_vdd>; + vcc-supply = <&buck3_reg>; + linux,keycodes = <KEY_MENU KEY_BACK + KEY_HOMEPAGE KEY_SEARCH>; + interrupt-parent = <&gpj4>; + interrupts = <1 IRQ_TYPE_LEVEL_LOW>; + + pinctrl-names = "default"; + pinctrl-0 = <&touchkey_irq>; + }; + }; + vibrator: pwm-vibrator { compatible = "pwm-vibrator"; pwms = <&pwm 1 44642 0>; @@ -530,6 +569,18 @@ samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>; }; + touchkey_i2c_pins: touchkey-i2c-pins { + samsung,pins = "gpj3-0", "gpj3-1"; + samsung,pin-pud = <S3C64XX_PIN_PULL_NONE>; + samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>; + }; + + touchkey_vdd_ena: touchkey-vdd-ena { + samsung,pins = "gpj3-2"; + samsung,pin-pud = <S3C64XX_PIN_PULL_NONE>; + samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>; + }; + musb_i2c_pins: musb-i2c-pins { samsung,pins = "gpj3-4", "gpj3-5"; samsung,pin-pud = <S3C64XX_PIN_PULL_NONE>; @@ -542,6 +593,13 @@ samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>; }; + touchkey_irq: touchkey-irq { + samsung,pins = "gpj4-1"; + samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>; + samsung,pin-pud = <S3C64XX_PIN_PULL_UP>; + samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>; + }; + fg_i2c_pins: fg-i2c-pins { samsung,pins = "mp05-0", "mp05-1"; samsung,pin-pud = <S3C64XX_PIN_PULL_NONE>; |