1/*
  2 * Copyright (C) 2015, 2016 Imagination Technologies Ltd.
  3 *
  4 * This program is free software; you can redistribute it and/or modify
  5 * it under the terms of the GNU General Public License version 2 as
  6 * published by the Free Software Foundation.
  7 *
  8 * IMG Marduk board is also known as Creator Ci40.
  9 */
 10
 11/dts-v1/;
 12
 13#include "pistachio.dtsi"
 14
 15/ {
 16	model = "IMG Marduk (Creator Ci40)";
 17	compatible = "img,pistachio-marduk", "img,pistachio";
 18
 19	aliases {
 20		serial0 = &uart0;
 21		serial1 = &uart1;
 22		ethernet0 = &enet;
 23		spi0 = &spfi0;
 24		spi1 = &spfi1;
 25	};
 26
 27	chosen {
 28		bootargs = "root=/dev/sda1 rootwait ro lpj=723968";
 29		stdout-path = "serial1:115200";
 30	};
 31
 32	memory {
 33		device_type = "memory";
 34		reg =  <0x00000000 0x10000000>;
 35	};
 36
 37	reg_1v8: fixed-regulator {
 38		compatible = "regulator-fixed";
 39		regulator-name = "aux_adc_vref";
 40		regulator-min-microvolt = <1800000>;
 41		regulator-max-microvolt = <1800000>;
 42		regulator-boot-on;
 43	};
 44
 45	internal_dac_supply: internal-dac-supply {
 46		compatible = "regulator-fixed";
 47		regulator-name = "internal_dac_supply";
 48		regulator-min-microvolt = <1800000>;
 49		regulator-max-microvolt = <1800000>;
 50	};
 51
 52	leds {
 53		compatible = "pwm-leds";
 54		heartbeat {
 55			label = "marduk:red:heartbeat";
 56			pwms = <&pwm 3 300000>;
 57			max-brightness = <255>;
 58			linux,default-trigger = "heartbeat";
 59		};
 60	};
 61
 62	keys {
 63		compatible = "gpio-keys";
 64		button@1 {
 65			label = "Button 1";
 66			linux,code = <0x101>; /* BTN_1 */
 67			gpios = <&gpio3 6 GPIO_ACTIVE_LOW>;
 68		};
 69		button@2 {
 70			label = "Button 2";
 71			linux,code = <0x102>; /* BTN_2 */
 72			gpios = <&gpio2 14 GPIO_ACTIVE_LOW>;
 73		};
 74	};
 75};
 76
 77&internal_dac {
 78	VDD-supply = <&internal_dac_supply>;
 79};
 80
 81&spfi1 {
 82	status = "okay";
 83
 84	pinctrl-0 = <&spim1_pins>, <&spim1_quad_pins>, <&spim1_cs0_pin>,
 85		    <&spim1_cs1_pin>;
 86	pinctrl-names = "default";
 87	cs-gpios = <&gpio0 0 GPIO_ACTIVE_HIGH>, <&gpio0 1 GPIO_ACTIVE_HIGH>;
 88
 89	flash@0 {
 90		compatible = "spansion,s25fl016k", "jedec,spi-nor";
 91		reg = <0>;
 92		spi-max-frequency = <50000000>;
 93	};
 94};
 95
 96&uart0 {
 97	status = "okay";
 98	assigned-clock-rates = <114278400>, <1843200>;
 99};
100
101&uart1 {
102	status = "okay";
103};
104
105&usb {
106	status = "okay";
107};
108
109&enet {
110	status = "okay";
111};
112
113&pin_enet {
114	drive-strength = <2>;
115};
116
117&pin_enet_phy_clk {
118	drive-strength = <2>;
119};
120
121&sdhost {
122	status = "okay";
123	bus-width = <4>;
124	disable-wp;
125};
126
127&pin_sdhost_cmd {
128	drive-strength = <2>;
129};
130
131&pin_sdhost_data {
132	drive-strength = <2>;
133};
134
135&pwm {
136	status = "okay";
137
138	pinctrl-0 = <&pwmpdm0_pin>, <&pwmpdm1_pin>, <&pwmpdm2_pin>,
139		    <&pwmpdm3_pin>;
140	pinctrl-names = "default";
141};
142
143&adc {
144	status = "okay";
145	vref-supply = <&reg_1v8>;
146	adc-reserved-channels = <0x10>;
147};
148
149&i2c2 {
150	status = "okay";
151	clock-frequency = <400000>;
152
153	tpm@20 {
154		compatible = "infineon,slb9645tt";
155		reg = <0x20>;
156	};
157
158};
159
160&i2c3 {
161	status = "okay";
162	clock-frequency = <400000>;
163};