From 64bf0a0af18d840fc138e10c097cc0ad54f3401a Mon Sep 17 00:00:00 2001 From: Tim Harvey Date: Thu, 16 Jul 2020 08:35:55 -0700 Subject: 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 Signed-off-by: Shawn Guo --- arch/arm/boot/dts/imx6qdl-gw53xx.dtsi | 165 ++++++++++++++++++++++++++++++++-- 1 file changed, 158 insertions(+), 7 deletions(-) (limited to 'arch/arm/boot/dts/imx6qdl-gw53xx.dtsi') diff --git a/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi b/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi index 545b7831692d..a28e79463d0c 100644 --- a/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi +++ b/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi @@ -4,6 +4,7 @@ */ #include +#include / { /* these are used by bootloader for disabling nodes */ @@ -28,6 +29,53 @@ 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 = ; + }; + + user-pb1x { + label = "user_pb1x"; + linux,code = ; + interrupt-parent = <&gsc>; + interrupts = <0>; + }; + + key-erased { + label = "key-erased"; + linux,code = ; + interrupt-parent = <&gsc>; + interrupts = <1>; + }; + + eeprom-wp { + label = "eeprom_wp"; + linux,code = ; + interrupt-parent = <&gsc>; + interrupts = <2>; + }; + + tamper { + label = "tamper"; + linux,code = ; + interrupt-parent = <&gsc>; + interrupts = <5>; + }; + + switch-hold { + label = "switch_hold"; + linux,code = ; + interrupt-parent = <&gsc>; + interrupts = <7>; + }; + }; + leds { compatible = "gpio-leds"; pinctrl-names = "default"; @@ -158,6 +206,115 @@ pinctrl-0 = <&pinctrl_i2c1>; status = "okay"; + 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_1p0"; + }; + + channel@23 { + gw,mode = <1>; + reg = <0x23>; + label = "vdd_2p5"; + }; + + channel@26 { + gw,mode = <1>; + reg = <0x26>; + label = "vdd_gps"; + }; + + channel@29 { + gw,mode = <1>; + reg = <0x29>; + label = "vdd_an1"; + }; + }; + }; + + gsc_gpio: gpio@23 { + compatible = "nxp,pca9555"; + reg = <0x23>; + gpio-controller; + #gpio-cells = <2>; + interrupt-parent = <&gsc>; + interrupts = <4>; + }; + eeprom1: eeprom@50 { compatible = "atmel,24c02"; reg = <0x50>; @@ -182,13 +339,6 @@ pagesize = <16>; }; - gpio: pca9555@23 { - compatible = "nxp,pca9555"; - reg = <0x23>; - gpio-controller; - #gpio-cells = <2>; - }; - rtc: ds1672@68 { compatible = "dallas,ds1672"; reg = <0x68>; @@ -487,6 +637,7 @@ fsl,pins = < MX6QDL_PAD_EIM_D21__I2C1_SCL 0x4001b8b1 MX6QDL_PAD_EIM_D28__I2C1_SDA 0x4001b8b1 + MX6QDL_PAD_GPIO_4__GPIO1_IO04 0xb0b1 >; }; -- cgit v1.2.1