imx28-lwe.dtsi

  1// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
  2/*
  3 * Copyright 2021
  4 * Lukasz Majewski, DENX Software Engineering, lukma@denx.de
  5 */
  6
  7/dts-v1/;
  8#include "imx28.dtsi"
  9
 10/ {
 11	aliases {
 12		spi2 = &ssp3;
 13	};
 14
 15	chosen {
 16		bootargs = "root=/dev/mmcblk0p2 rootfstype=ext4 ro rootwait console=ttyAMA0,115200 panic=1";
 17	};
 18
 19	memory@40000000 {
 20		reg = <0x40000000 0x08000000>;
 21		device_type = "memory";
 22	};
 23
 24	reg_3v3: regulator-reg-3v3 {
 25		compatible = "regulator-fixed";
 26		regulator-name = "3V3";
 27		regulator-min-microvolt = <3300000>;
 28		regulator-max-microvolt = <3300000>;
 29	};
 30
 31	reg_usb_5v: regulator-reg-usb-5v {
 32		compatible = "regulator-fixed";
 33		regulator-name = "usb_vbus";
 34		regulator-min-microvolt = <5000000>;
 35		regulator-max-microvolt = <5000000>;
 36	};
 37
 38	reg_fec_3v3: regulator-reg-fec-3v3 {
 39		compatible = "regulator-fixed";
 40		regulator-name = "fec-phy";
 41		regulator-min-microvolt = <3300000>;
 42		regulator-max-microvolt = <3300000>;
 43	};
 44};
 45
 46&duart {
 47	pinctrl-names = "default";
 48	pinctrl-0 = <&duart_pins_a>;
 49	status = "okay";
 50};
 51
 52&i2c0 {
 53	pinctrl-names = "default";
 54	pinctrl-0 = <&i2c0_pins_a>;
 55	status = "okay";
 56};
 57
 58&spi3_pins_a {
 59	fsl,pinmux-ids = <
 60		MX28_PAD_AUART2_RX__SSP3_D4
 61		MX28_PAD_AUART2_TX__SSP3_D5
 62		MX28_PAD_SSP3_SCK__SSP3_SCK
 63		MX28_PAD_SSP3_MOSI__SSP3_CMD
 64		MX28_PAD_SSP3_MISO__SSP3_D0
 65		MX28_PAD_SSP3_SS0__SSP3_D3
 66		MX28_PAD_AUART2_TX__GPIO_3_9
 67	>;
 68};
 69
 70&ssp0 {
 71	compatible = "fsl,imx28-mmc";
 72	pinctrl-names = "default";
 73	pinctrl-0 = <&mmc0_8bit_pins_a>;
 74	bus-width = <8>;
 75	vmmc-supply = <&reg_3v3>;
 76	non-removable;
 77	status = "okay";
 78};
 79
 80&ssp2 {
 81	compatible = "fsl,imx28-spi";
 82	pinctrl-names = "default";
 83	pinctrl-0 = <&spi2_pins_a>;
 84	status = "okay";
 85};
 86
 87&ssp3 {
 88	compatible = "fsl,imx28-spi";
 89	pinctrl-names = "default";
 90	pinctrl-0 = <&spi3_pins_a>;
 91	status = "okay";
 92
 93	flash@0 {
 94		compatible = "jedec,spi-nor";
 95		spi-max-frequency = <20000000>;
 96		reg = <0>;
 97
 98		partitions {
 99			compatible = "fixed-partitions";
100			#address-cells = <1>;
101			#size-cells = <1>;
102
103			partition@0 {
104				label = "u-boot";
105				reg = <0 0x80000>;
106				read-only;
107			};
108
109			partition@80000 {
110				label = "env0";
111				reg = <0x80000 0x10000>;
112			};
113
114			partition@90000 {
115				label = "env1";
116				reg = <0x90000 0x10000>;
117			};
118
119			partition@a0000 {
120				label = "rescue";
121				reg = <0xa0000 0xf40000>;
122			};
123
124			partition@fe0000 {
125				/* 1st sector for SPL boot img source data */
126				label = "spl-boot-data1";
127				reg = <0xfe0000 0x10000>;
128			};
129
130			partition@ff0000 {
131				/* 2nd sector for SPL boot img source data */
132				label = "spl-boot-data2";
133				reg = <0xff0000 0x10000>;
134			};
135		};
136	};
137};
138
139&usb0 {
140	vbus-supply = <&reg_usb_5v>;
141	pinctrl-names = "default";
142	pinctrl-0 = <&usb0_pins_b>, <&usb0_id_pins_a>;
143	dr_mode = "host";
144	status = "okay";
145};
146
147&usbphy0 {
148	status = "okay";
149};
150
151&usb1 {
152	vbus-supply = <&reg_usb_5v>;
153	pinctrl-names = "default";
154	pinctrl-0 = <&usb1_pins_b>;
155	dr_mode = "host";
156	status = "okay";
157};
158
159&usbphy1 {
160	status = "okay";
161};