diff options
| author | Iskren Chernev <[email protected]> | 2020-09-20 17:48:54 +0300 |
|---|---|---|
| committer | Bjorn Andersson <[email protected]> | 2020-10-26 09:52:37 -0500 |
| commit | a193dc521c97c07098bf0b6345966561a1f0ab9f (patch) | |
| tree | b0f9b2e4aa89040cbe93667a973e0cc2a8fbca48 | |
| parent | 486d49914307e4e1ff0f5087f803cfa1e44a13bf (diff) | |
ARM: dts: qcom: msm8974-klte: Add support for touchkey
Add support for the touchkey found on the Samsung Galaxy S5. The
touchkey is responsible for handling the application and back buttons
found around the home button.
Signed-off-by: Iskren Chernev <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Bjorn Andersson <[email protected]>
| -rw-r--r-- | arch/arm/boot/dts/qcom-msm8974-samsung-klte.dts | 44 |
1 files changed, 43 insertions, 1 deletions
diff --git a/arch/arm/boot/dts/qcom-msm8974-samsung-klte.dts b/arch/arm/boot/dts/qcom-msm8974-samsung-klte.dts index 9520c6e7910c..750e2f261139 100644 --- a/arch/arm/boot/dts/qcom-msm8974-samsung-klte.dts +++ b/arch/arm/boot/dts/qcom-msm8974-samsung-klte.dts @@ -145,7 +145,7 @@ }; pma8084_l19: l19 { - regulator-min-microvolt = <2900000>; + regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; }; @@ -203,6 +203,31 @@ }; }; + i2c-gpio-touchkey { + compatible = "i2c-gpio"; + #address-cells = <1>; + #size-cells = <0>; + sda-gpios = <&msmgpio 95 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + scl-gpios = <&msmgpio 96 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + pinctrl-names = "default"; + pinctrl-0 = <&i2c_touchkey_pins>; + + touchkey@20 { + compatible = "cypress,tm2-touchkey"; + reg = <0x20>; + + interrupt-parent = <&pma8084_gpios>; + interrupts = <6 IRQ_TYPE_EDGE_FALLING>; + pinctrl-names = "default"; + pinctrl-0 = <&touchkey_pin>; + + vcc-supply = <&max77826_ldo15>; + vdd-supply = <&pma8084_l19>; + + linux,keycodes = <KEY_APPSELECT KEY_BACK>; + }; + }; + /delete-node/ vreg-boost; }; @@ -268,6 +293,15 @@ bias-disable; }; }; + + i2c_touchkey_pins: i2c-touchkey { + mux { + pins = "gpio95", "gpio96"; + function = "gpio"; + input-enable; + bias-pull-up; + }; + }; }; sdhci@f9824900 { @@ -418,6 +452,14 @@ bias-pull-up; power-source = <PMA8084_GPIO_S4>; }; + + touchkey_pin: touchkey-int-pin { + pins = "gpio6"; + function = "normal"; + bias-disable; + input-enable; + power-source = <PMA8084_GPIO_S4>; + }; }; }; }; |