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ARM: dts: s5pv210: Add touchkey support to Aries boards

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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>
This commit is contained in:
Jonathan Bakker 2020-05-01 16:50:09 -07:00 committed by Krzysztof Kozlowski
parent 3a4e7635d1
commit 849994778e
1 changed files with 58 additions and 0 deletions
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58
arch/arm/boot/dts/s5pv210-aries.dtsi
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@ -16,6 +16,7 @@ aliases {
i2c6 = &i2c_pmic; i2c6 = &i2c_pmic;
i2c7 = &i2c_musb; i2c7 = &i2c_musb;
i2c9 = &i2c_fuel; i2c9 = &i2c_fuel;
i2c10 = &i2c_touchkey;
}; };
memory@30000000 { memory@30000000 {
@ -50,6 +51,18 @@ vibrator_pwr: regulator-fixed-0 {
gpio = <&gpj1 1 GPIO_ACTIVE_HIGH>; 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 { wifi_pwrseq: wifi-pwrseq {
compatible = "mmc-pwrseq-simple"; compatible = "mmc-pwrseq-simple";
reset-gpios = <&gpg1 2 GPIO_ACTIVE_LOW>; reset-gpios = <&gpg1 2 GPIO_ACTIVE_LOW>;
@ -400,6 +413,32 @@ fuelgauge@36 {
}; };
}; };
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 { vibrator: pwm-vibrator {
compatible = "pwm-vibrator"; compatible = "pwm-vibrator";
pwms = <&pwm 1 44642 0>; pwms = <&pwm 1 44642 0>;
@ -530,6 +569,18 @@ ts_irq: ts-irq {
samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>; 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 { musb_i2c_pins: musb-i2c-pins {
samsung,pins = "gpj3-4", "gpj3-5"; samsung,pins = "gpj3-4", "gpj3-5";
samsung,pin-pud = <S3C64XX_PIN_PULL_NONE>; samsung,pin-pud = <S3C64XX_PIN_PULL_NONE>;
@ -542,6 +593,13 @@ pmic_i2c_pins: pmic-i2c-pins {
samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>; 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 { fg_i2c_pins: fg-i2c-pins {
samsung,pins = "mp05-0", "mp05-1"; samsung,pins = "mp05-0", "mp05-1";
samsung,pin-pud = <S3C64XX_PIN_PULL_NONE>; samsung,pin-pud = <S3C64XX_PIN_PULL_NONE>;