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	leds {
 50		compatible = "pwm-leds";
 51		heartbeat {
 52			label = "marduk:red:heartbeat";
 53			pwms = <&pwm 3 300000>;
 54			max-brightness = <255>;
 55			linux,default-trigger = "heartbeat";
 56		};
 57	};
 58
 59	keys {
 60		compatible = "gpio-keys";
 61		button@1 {
 62			label = "Button 1";
 63			linux,code = <0x101>; /* BTN_1 */
 64			gpios = <&gpio3 6 GPIO_ACTIVE_LOW>;
 65		};
 66		button@2 {
 67			label = "Button 2";
 68			linux,code = <0x102>; /* BTN_2 */
 69			gpios = <&gpio2 14 GPIO_ACTIVE_LOW>;
 70		};
 71	};
 72};
 73
 74&internal_dac {
 75	VDD-supply = <&internal_dac_supply>;
 76};
 77
 78&spfi1 {
 79	status = "okay";
 80
 81	pinctrl-0 = <&spim1_pins>, <&spim1_quad_pins>, <&spim1_cs0_pin>,
 82		    <&spim1_cs1_pin>;
 83	pinctrl-names = "default";
 84	cs-gpios = <&gpio0 0 GPIO_ACTIVE_HIGH>, <&gpio0 1 GPIO_ACTIVE_HIGH>;
 85
 86	flash@0 {
 87		compatible = "spansion,s25fl016k", "jedec,spi-nor";
 88		reg = <0>;
 89		spi-max-frequency = <50000000>;
 90	};
 91};
 92
 93&uart0 {
 94	status = "okay";
 95	assigned-clock-rates = <114278400>, <1843200>;
 96};
 97
 98&uart1 {
 99	status = "okay";
100};
101
102&usb {
103	status = "okay";
104};
105
106&enet {
107	status = "okay";
108};
109
110&pin_enet {
111	drive-strength = <2>;
112};
113
114&pin_enet_phy_clk {
115	drive-strength = <2>;
116};
117
118&sdhost {
119	status = "okay";
120	bus-width = <4>;
121	disable-wp;
122};
123
124&pin_sdhost_cmd {
125	drive-strength = <2>;
126};
127
128&pin_sdhost_data {
129	drive-strength = <2>;
130};
131
132&pwm {
133	status = "okay";
134
135	pinctrl-0 = <&pwmpdm0_pin>, <&pwmpdm1_pin>, <&pwmpdm2_pin>,
136		    <&pwmpdm3_pin>;
137	pinctrl-names = "default";
138};
139
140&adc {
141	status = "okay";
142	vref-supply = <&reg_1v8>;
143	adc-reserved-channels = <0x10>;
144};
145
146&i2c2 {
147	status = "okay";
148	clock-frequency = <400000>;
149
150	tpm@20 {
151		compatible = "infineon,slb9645tt";
152		reg = <0x20>;
153	};
154
155};
156
157&i2c3 {
158	status = "okay";
159	clock-frequency = <400000>;
160};