1// SPDX-License-Identifier: GPL-2.0-only
  2/*
  3 * Copyright (C) 2015, 2016 Imagination Technologies Ltd.
  4 *
  5 * IMG Marduk board is also known as Creator Ci40.
  6 */
  7
  8/dts-v1/;
  9
 10#include "pistachio.dtsi"
 11
 12/ {
 13	model = "IMG Marduk (Creator Ci40)";
 14	compatible = "img,pistachio-marduk", "img,pistachio";
 15
 16	aliases {
 17		serial0 = &uart0;
 18		serial1 = &uart1;
 19		ethernet0 = &enet;
 20		spi0 = &spfi0;
 21		spi1 = &spfi1;
 22	};
 23
 24	chosen {
 25		bootargs = "root=/dev/sda1 rootwait ro lpj=723968";
 26		stdout-path = "serial1:115200";
 27	};
 28
 29	memory {
 30		device_type = "memory";
 31		reg =  <0x00000000 0x10000000>;
 32	};
 33
 34	reg_1v8: fixed-regulator {
 35		compatible = "regulator-fixed";
 36		regulator-name = "aux_adc_vref";
 37		regulator-min-microvolt = <1800000>;
 38		regulator-max-microvolt = <1800000>;
 39		regulator-boot-on;
 40	};
 41
 42	internal_dac_supply: internal-dac-supply {
 43		compatible = "regulator-fixed";
 44		regulator-name = "internal_dac_supply";
 45		regulator-min-microvolt = <1800000>;
 46		regulator-max-microvolt = <1800000>;
 47	};
 48
 49	led-controller {
 50		compatible = "pwm-leds";
 51
 52		led-1 {
 53			label = "marduk:red:heartbeat";
 54			pwms = <&pwm 3 300000>;
 55			max-brightness = <255>;
 56			linux,default-trigger = "heartbeat";
 57		};
 58	};
 59
 60	keys {
 61		compatible = "gpio-keys";
 62		button-1 {
 63			label = "Button 1";
 64			linux,code = <0x101>; /* BTN_1 */
 65			gpios = <&gpio3 6 GPIO_ACTIVE_LOW>;
 66		};
 67		button-2 {
 68			label = "Button 2";
 69			linux,code = <0x102>; /* BTN_2 */
 70			gpios = <&gpio2 14 GPIO_ACTIVE_LOW>;
 71		};
 72	};
 73};
 74
 75&internal_dac {
 76	VDD-supply = <&internal_dac_supply>;
 77};
 78
 79&spfi1 {
 80	status = "okay";
 81
 82	pinctrl-0 = <&spim1_pins>, <&spim1_quad_pins>, <&spim1_cs0_pin>,
 83		    <&spim1_cs1_pin>;
 84	pinctrl-names = "default";
 85	cs-gpios = <&gpio0 0 GPIO_ACTIVE_HIGH>, <&gpio0 1 GPIO_ACTIVE_HIGH>;
 86
 87	flash@0 {
 88		compatible = "spansion,s25fl016k", "jedec,spi-nor";
 89		reg = <0>;
 90		spi-max-frequency = <50000000>;
 91	};
 92};
 93
 94&uart0 {
 95	status = "okay";
 96	assigned-clock-rates = <114278400>, <1843200>;
 97};
 98
 99&uart1 {
100	status = "okay";
101};
102
103&usb {
104	status = "okay";
105};
106
107&enet {
108	status = "okay";
109};
110
111&pin_enet {
112	drive-strength = <2>;
113};
114
115&pin_enet_phy_clk {
116	drive-strength = <2>;
117};
118
119&sdhost {
120	status = "okay";
121	bus-width = <4>;
122	disable-wp;
123};
124
125&pin_sdhost_cmd {
126	drive-strength = <2>;
127};
128
129&pin_sdhost_data {
130	drive-strength = <2>;
131};
132
133&pwm {
134	status = "okay";
135
136	pinctrl-0 = <&pwmpdm0_pin>, <&pwmpdm1_pin>, <&pwmpdm2_pin>,
137		    <&pwmpdm3_pin>;
138	pinctrl-names = "default";
139};
140
141&adc {
142	status = "okay";
143	vref-supply = <&reg_1v8>;
144	adc-reserved-channels = <0x10>;
145};
146
147&i2c2 {
148	status = "okay";
149	clock-frequency = <400000>;
150
151	tpm@20 {
152		compatible = "infineon,slb9645tt";
153		reg = <0x20>;
154	};
155
156};
157
158&i2c3 {
159	status = "okay";
160	clock-frequency = <400000>;
161};