diff options
Diffstat (limited to 'arch/arm64/boot/dts/freescale/imx8mn-dimonoff-gateway-evk.dts')
| -rw-r--r-- | arch/arm64/boot/dts/freescale/imx8mn-dimonoff-gateway-evk.dts | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx8mn-dimonoff-gateway-evk.dts b/arch/arm64/boot/dts/freescale/imx8mn-dimonoff-gateway-evk.dts new file mode 100644 index 0000000000..6f9b82958b --- /dev/null +++ b/arch/arm64/boot/dts/freescale/imx8mn-dimonoff-gateway-evk.dts @@ -0,0 +1,160 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright 2022 DimOnOff + */ + +/dts-v1/; + +#include <dt-bindings/usb/pd.h> +#include "imx8mn-var-som-symphony.dts" + +/ { + model = "DimOnOff Gateway EVK board"; + compatible = "dimonoff,gateway-evk", "variscite,var-som-mx8mn", + "fsl,imx8mn"; + + /* + * U30 FPF2193 regulator. + * Source = BASE_PER_3V3 = SOM_3V3 (COM pin 49). + */ + reg_disp_3v3: regulator-disp-3v3 { + compatible = "regulator-fixed"; + regulator-name = "Display 3V3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + regulator-boot-on; + }; + + gpio-keys { + compatible = "gpio-keys"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_gpio_keys>; + + key-enter { + label = "enter"; + gpios = <&gpio1 8 GPIO_ACTIVE_LOW>; + linux,code = <KEY_ENTER>; + wakeup-source; + }; + }; + + /* Bourns PEC12R rotary encoder, 24 steps. */ + rotary: rotary-encoder { + compatible = "rotary-encoder"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_rotary>; + gpios = <&gpio5 12 GPIO_ACTIVE_LOW>, /* A */ + <&gpio5 13 GPIO_ACTIVE_LOW>; /* B */ + linux,axis = <0>; /* REL_X */ + rotary-encoder,encoding = "gray"; + rotary-encoder,relative-axis; + }; +}; + +/* Disable Asynchronous Sample Rate Converter (audio) */ +&easrc { + status = "disabled"; +}; + +&ecspi1 { + /* Resistive touch controller */ + /delete-node/ touchscreen@0; +}; + +&gpu { + status = "disabled"; +}; + +&i2c2 { + adc@48 { + compatible = "ti,ads7924"; + reg = <0x48>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_adc>; + vref-supply = <®_disp_3v3>; + reset-gpios = <&gpio5 5 GPIO_ACTIVE_LOW>; + #address-cells = <1>; + #size-cells = <0>; + + channel@0 { + reg = <0>; + label = "Pot0"; + }; + channel@1 { + reg = <1>; + label = "Pot1"; + }; + channel@2 { + reg = <2>; + label = "Pot2"; + }; + channel@3 { + reg = <3>; + label = "Pot3"; + }; + }; + + rtc@51 { + compatible = "nxp,pcf2129"; + reg = <0x51>; + reset-source; /* For watchdog. */ + }; + + rtc@53 { + compatible = "nxp,pcf2131"; + reg = <0x53>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_rtc>; + reset-source; /* For watchdog. */ + interrupt-parent = <&gpio5>; + interrupts = <10 IRQ_TYPE_EDGE_FALLING>; /* J17.6 on EVK */ + }; +}; + +&i2c3 { + touchscreen@38 { + status = "disabled"; + }; + + codec@1a { + status = "disabled"; + }; + + /* DS1337 RTC module */ + rtc@68 { + status = "disabled"; + }; +}; + +&sai5 { + status = "disabled"; +}; + +&iomuxc { + pinctrl_gpio_keys: gpiokeysgrp { + fsl,pins = < + MX8MN_IOMUXC_GPIO1_IO08_GPIO1_IO8 0xc6 + >; + }; + + pinctrl_rotary: rotarygrp { + fsl,pins = < + MX8MN_IOMUXC_ECSPI2_MISO_GPIO5_IO12 0x00000156 + MX8MN_IOMUXC_ECSPI2_SS0_GPIO5_IO13 0x00000156 + >; + }; + + pinctrl_adc: adcgrp { + fsl,pins = < + MX8MN_IOMUXC_SPDIF_EXT_CLK_GPIO5_IO5 0x00000156 + >; + }; + + pinctrl_rtc: rtcgrp { + fsl,pins = < + MX8MN_IOMUXC_ECSPI2_SCLK_GPIO5_IO10 0x00000156 + MX8MN_IOMUXC_ECSPI2_MOSI_GPIO5_IO11 0x00000156 + >; + }; +}; |