1// SPDX-License-Identifier: GPL-2.0
  2/*
  3 * Device Tree Source for the iWave RZ/G1H Qseven SOM
  4 *
  5 * Copyright (C) 2020 Renesas Electronics Corp.
  6 */
  7
  8#include "r8a7742.dtsi"
  9#include <dt-bindings/gpio/gpio.h>
 10
 11/ {
 12	compatible = "iwave,g21m", "renesas,r8a7742";
 13
 14	memory@40000000 {
 15		device_type = "memory";
 16		reg = <0 0x40000000 0 0x40000000>;
 17	};
 18
 19	memory@200000000 {
 20		device_type = "memory";
 21		reg = <2 0x00000000 0 0x40000000>;
 22	};
 23
 24	reg_3p3v: 3p3v {
 25		compatible = "regulator-fixed";
 26		regulator-name = "3P3V";
 27		regulator-min-microvolt = <3300000>;
 28		regulator-max-microvolt = <3300000>;
 29		regulator-always-on;
 30		regulator-boot-on;
 31	};
 32};
 33
 34&extal_clk {
 35	clock-frequency = <20000000>;
 36};
 37
 38&gpio0 {
 39	/* GP0_18 set low to select QSPI. Doing so will disable VIN2 */
 40	qspi-en-hog {
 41		gpio-hog;
 42		gpios = <18 GPIO_ACTIVE_HIGH>;
 43		output-low;
 44		line-name = "QSPI_EN";
 45	};
 46};
 47
 48&i2c0 {
 49	pinctrl-0 = <&i2c0_pins>;
 50	pinctrl-names = "default";
 51
 52	status = "okay";
 53	clock-frequency = <400000>;
 54
 55	rtc@68 {
 56		compatible = "ti,bq32000";
 57		reg = <0x68>;
 58		interrupts-extended = <&gpio1 1 IRQ_TYPE_EDGE_FALLING>;
 59	};
 60};
 61
 62&mmcif1 {
 63	pinctrl-0 = <&mmc1_pins>;
 64	pinctrl-names = "default";
 65
 66	vmmc-supply = <&reg_3p3v>;
 67	bus-width = <4>;
 68	non-removable;
 69	status = "okay";
 70};
 71
 72&pfc {
 73	i2c0_pins: i2c0 {
 74		groups = "i2c0";
 75		function = "i2c0";
 76	};
 77
 78	mmc1_pins: mmc1 {
 79		groups = "mmc1_data4", "mmc1_ctrl";
 80		function = "mmc1";
 81	};
 82
 83	qspi_pins: qspi {
 84		groups = "qspi_ctrl", "qspi_data2";
 85		function = "qspi";
 86	};
 87};
 88
 89&qspi {
 90	pinctrl-0 = <&qspi_pins>;
 91	pinctrl-names = "default";
 92
 93	status = "okay";
 94
 95	flash: flash@0 {
 96		compatible = "sst,sst25vf016b", "jedec,spi-nor";
 97		reg = <0>;
 98		spi-max-frequency = <50000000>;
 99		m25p,fast-read;
100		spi-cpol;
101		spi-cpha;
102
103		partitions {
104			compatible = "fixed-partitions";
105			#address-cells = <1>;
106			#size-cells = <1>;
107
108			partition@0 {
109				label = "bootloader";
110				reg = <0x00000000 0x000c0000>;
111				read-only;
112			};
113			partition@c0000 {
114				label = "env";
115				reg = <0x000c0000 0x00002000>;
116			};
117			partition@c2000 {
118				label = "user";
119				reg = <0x000c2000 0x0013e000>;
120			};
121		};
122	};
123};