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// SPDX-License-Identifier: GPL-2.0
/*
* Device Tree Source for the iWave RZ/G1H Qseven SOM
*
* Copyright (C) 2020 Renesas Electronics Corp.
*/
#include "r8a7742.dtsi"
#include <dt-bindings/gpio/gpio.h>
/ {
compatible = "iwave,g21m", "renesas,r8a7742";
memory@40000000 {
device_type = "memory";
reg = <0 0x40000000 0 0x40000000>;
};
memory@200000000 {
device_type = "memory";
reg = <2 0x00000000 0 0x40000000>;
};
reg_3p3v: 3p3v {
compatible = "regulator-fixed";
regulator-name = "3P3V";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
regulator-boot-on;
};
};
&extal_clk {
clock-frequency = <20000000>;
};
&gpio0 {
/* GP0_18 set low to select QSPI. Doing so will disable VIN2 */
qspi_en {
gpio-hog;
gpios = <18 GPIO_ACTIVE_HIGH>;
output-low;
line-name = "QSPI_EN";
};
};
&i2c0 {
pinctrl-0 = <&i2c0_pins>;
pinctrl-names = "default";
status = "okay";
clock-frequency = <400000>;
rtc@68 {
compatible = "ti,bq32000";
reg = <0x68>;
interrupt-parent = <&gpio1>;
interrupts = <1 IRQ_TYPE_EDGE_FALLING>;
};
};
&mmcif1 {
pinctrl-0 = <&mmc1_pins>;
pinctrl-names = "default";
vmmc-supply = <®_3p3v>;
bus-width = <4>;
non-removable;
status = "okay";
};
&pfc {
i2c0_pins: i2c0 {
groups = "i2c0";
function = "i2c0";
};
mmc1_pins: mmc1 {
groups = "mmc1_data4", "mmc1_ctrl";
function = "mmc1";
};
qspi_pins: qspi {
groups = "qspi_ctrl", "qspi_data2";
function = "qspi";
};
};
&qspi {
pinctrl-0 = <&qspi_pins>;
pinctrl-names = "default";
status = "okay";
flash: flash@0 {
compatible = "sst,sst25vf016b", "jedec,spi-nor";
reg = <0>;
spi-max-frequency = <50000000>;
m25p,fast-read;
spi-cpol;
spi-cpha;
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
partition@0 {
label = "bootloader";
reg = <0x00000000 0x000c0000>;
read-only;
};
partition@c0000 {
label = "env";
reg = <0x000c0000 0x00002000>;
};
partition@c2000 {
label = "user";
reg = <0x000c2000 0x0013e000>;
};
};
};
};
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