linux/arch/mips/boot/dts/img/pistachio_marduk.dts
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   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};
 162