diff options
| author | Tim Harvey <tharvey@gateworks.com> | 2020-07-16 18:35:55 +0300 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2020-07-20 04:47:29 +0300 |
| commit | 64bf0a0af18d840fc138e10c097cc0ad54f3401a (patch) | |
| tree | 95a29ddfa0c6e788ce9537e6cea0cafc9703bf72 /arch/arm/boot/dts/imx6qdl-gw5904.dtsi | |
| parent | f9ecf10cb88c5ff47add3acb3611c4f1052be5f5 (diff) | |
| download | linux-64bf0a0af18d840fc138e10c097cc0ad54f3401a.tar.xz | |
ARM: dts: imx6qdl-gw: add Gateworks System Controller support
Add Gateworks System Controller support to Gateworks Ventana boards:
- add dt bindings for GSC mfd driver and hwmon driver for ADC's and
fan controllers.
- add dt bindings for gpio-keys driver for push-button and interrupt events
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'arch/arm/boot/dts/imx6qdl-gw5904.dtsi')
| -rw-r--r-- | arch/arm/boot/dts/imx6qdl-gw5904.dtsi | 141 |
1 files changed, 140 insertions, 1 deletions
diff --git a/arch/arm/boot/dts/imx6qdl-gw5904.dtsi b/arch/arm/boot/dts/imx6qdl-gw5904.dtsi index b30c1487252d..23c6e4047621 100644 --- a/arch/arm/boot/dts/imx6qdl-gw5904.dtsi +++ b/arch/arm/boot/dts/imx6qdl-gw5904.dtsi @@ -46,6 +46,7 @@ */ #include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/input/linux-event-codes.h> / { /* these are used by bootloader for disabling nodes */ @@ -68,6 +69,53 @@ default-brightness-level = <7>; }; + gpio-keys { + compatible = "gpio-keys"; + #address-cells = <1>; + #size-cells = <0>; + + user-pb { + label = "user_pb"; + gpios = <&gsc_gpio 0 GPIO_ACTIVE_LOW>; + linux,code = <BTN_0>; + }; + + user-pb1x { + label = "user_pb1x"; + linux,code = <BTN_1>; + interrupt-parent = <&gsc>; + interrupts = <0>; + }; + + key-erased { + label = "key-erased"; + linux,code = <BTN_2>; + interrupt-parent = <&gsc>; + interrupts = <1>; + }; + + eeprom-wp { + label = "eeprom_wp"; + linux,code = <BTN_3>; + interrupt-parent = <&gsc>; + interrupts = <2>; + }; + + tamper { + label = "tamper"; + linux,code = <BTN_4>; + interrupt-parent = <&gsc>; + interrupts = <5>; + }; + + switch-hold { + label = "switch_hold"; + linux,code = <BTN_5>; + interrupt-parent = <&gsc>; + interrupts = <7>; + }; + }; + leds { compatible = "gpio-leds"; pinctrl-names = "default"; @@ -205,11 +253,101 @@ pinctrl-0 = <&pinctrl_i2c1>; status = "okay"; - pca9555: gpio@23 { + gsc: gsc@20 { + compatible = "gw,gsc"; + reg = <0x20>; + interrupt-parent = <&gpio1>; + interrupts = <4 GPIO_ACTIVE_LOW>; + interrupt-controller; + #interrupt-cells = <1>; + #size-cells = <0>; + + adc { + compatible = "gw,gsc-adc"; + #address-cells = <1>; + #size-cells = <0>; + + channel@0 { + gw,mode = <0>; + reg = <0x00>; + label = "temp"; + }; + + channel@2 { + gw,mode = <1>; + reg = <0x02>; + label = "vdd_vin"; + }; + + channel@5 { + gw,mode = <1>; + reg = <0x05>; + label = "vdd_3p3"; + }; + + channel@8 { + gw,mode = <1>; + reg = <0x08>; + label = "vdd_bat"; + }; + + channel@b { + gw,mode = <1>; + reg = <0x0b>; + label = "vdd_5p0"; + }; + + channel@e { + gw,mode = <1>; + reg = <0xe>; + label = "vdd_arm"; + }; + + channel@11 { + gw,mode = <1>; + reg = <0x11>; + label = "vdd_soc"; + }; + + channel@14 { + gw,mode = <1>; + reg = <0x14>; + label = "vdd_3p0"; + }; + + channel@17 { + gw,mode = <1>; + reg = <0x17>; + label = "vdd_1p5"; + }; + + channel@1d { + gw,mode = <1>; + reg = <0x1d>; + label = "vdd_1p8"; + }; + + channel@20 { + gw,mode = <1>; + reg = <0x20>; + label = "vdd_an1"; + }; + + channel@23 { + gw,mode = <1>; + reg = <0x23>; + label = "vdd_2p5"; + }; + }; + }; + + gsc_gpio: gpio@23 { compatible = "nxp,pca9555"; reg = <0x23>; gpio-controller; #gpio-cells = <2>; + interrupt-parent = <&gsc>; + interrupts = <4>; }; eeprom1: eeprom@50 { @@ -504,6 +642,7 @@ fsl,pins = < MX6QDL_PAD_EIM_D21__I2C1_SCL 0x4001b8b1 MX6QDL_PAD_EIM_D28__I2C1_SDA 0x4001b8b1 + MX6QDL_PAD_GPIO_4__GPIO1_IO04 0x0001b0b0 /* GSC_IRQ# */ >; }; |