// 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-hog { 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>; }; }; }; };