200 lines
3.5 KiB
Plaintext
200 lines
3.5 KiB
Plaintext
/*
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* Device Tree Source for the Wheat board
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*
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* Copyright (C) 2016 Renesas Electronics Corporation
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* Copyright (C) 2016 Cogent Embedded, Inc.
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*
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* This file is licensed under the terms of the GNU General Public License
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* version 2. This program is licensed "as is" without any warranty of any
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* kind, whether express or implied.
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*/
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/dts-v1/;
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#include "r8a7792.dtsi"
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/input/input.h>
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/ {
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model = "Wheat";
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compatible = "renesas,wheat", "renesas,r8a7792";
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aliases {
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serial0 = &scif0;
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};
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chosen {
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bootargs = "ignore_loglevel rw root=/dev/nfs ip=dhcp";
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stdout-path = "serial0:115200n8";
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};
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memory@40000000 {
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device_type = "memory";
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reg = <0 0x40000000 0 0x40000000>;
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};
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d3_3v: regulator-3v3 {
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compatible = "regulator-fixed";
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regulator-name = "D3.3V";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-boot-on;
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regulator-always-on;
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};
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ethernet@18000000 {
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compatible = "smsc,lan89218", "smsc,lan9115";
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reg = <0 0x18000000 0 0x100>;
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phy-mode = "mii";
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interrupt-parent = <&irqc>;
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interrupts = <0 IRQ_TYPE_EDGE_FALLING>;
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smsc,irq-push-pull;
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smsc,save-mac-address;
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reg-io-width = <4>;
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vddvario-supply = <&d3_3v>;
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vdd33a-supply = <&d3_3v>;
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pinctrl-0 = <&lan89218_pins>;
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pinctrl-names = "default";
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};
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keyboard {
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compatible = "gpio-keys";
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key-a {
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linux,code = <KEY_A>;
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label = "SW2";
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wakeup-source;
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debounce-interval = <20>;
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gpios = <&gpio3 20 GPIO_ACTIVE_LOW>;
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};
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key-b {
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linux,code = <KEY_B>;
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label = "SW3";
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wakeup-source;
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debounce-interval = <20>;
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gpios = <&gpio11 2 GPIO_ACTIVE_LOW>;
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};
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};
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vcc_sdhi0: regulator-vcc-sdhi0 {
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compatible = "regulator-fixed";
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regulator-name = "SDHI0 Vcc";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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gpio = <&gpio11 12 GPIO_ACTIVE_HIGH>;
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enable-active-high;
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};
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};
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&extal_clk {
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clock-frequency = <20000000>;
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};
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&pfc {
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scif0_pins: scif0 {
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groups = "scif0_data";
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function = "scif0";
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};
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lan89218_pins: lan89218 {
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intc {
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groups = "intc_irq0";
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function = "intc";
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};
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lbsc {
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groups = "lbsc_ex_cs0";
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function = "lbsc";
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};
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};
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can0_pins: can0 {
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groups = "can0_data";
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function = "can0";
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};
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can1_pins: can1 {
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groups = "can1_data";
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function = "can1";
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};
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sdhi0_pins: sdhi0 {
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groups = "sdhi0_data4", "sdhi0_ctrl";
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function = "sdhi0";
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};
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qspi_pins: qspi {
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groups = "qspi_ctrl", "qspi_data4";
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function = "qspi";
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};
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};
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&scif0 {
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pinctrl-0 = <&scif0_pins>;
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pinctrl-names = "default";
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status = "okay";
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};
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&can0 {
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pinctrl-0 = <&can0_pins>;
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pinctrl-names = "default";
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status = "okay";
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};
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&can1 {
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pinctrl-0 = <&can1_pins>;
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pinctrl-names = "default";
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status = "okay";
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};
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&sdhi0 {
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pinctrl-0 = <&sdhi0_pins>;
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pinctrl-names = "default";
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vmmc-supply = <&vcc_sdhi0>;
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cd-gpios = <&gpio11 11 GPIO_ACTIVE_LOW>;
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status = "okay";
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};
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&qspi {
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pinctrl-0 = <&qspi_pins>;
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pinctrl-names = "default";
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status = "okay";
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flash@0 {
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compatible = "spansion,s25fl512s", "jedec,spi-nor";
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reg = <0>;
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spi-max-frequency = <30000000>;
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spi-tx-bus-width = <4>;
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spi-rx-bus-width = <4>;
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spi-cpol;
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spi-cpha;
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m25p,fast-read;
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partitions {
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compatible = "fixed-partitions";
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#address-cells = <1>;
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#size-cells = <1>;
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partition@0 {
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label = "loader";
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reg = <0x00000000 0x00040000>;
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read-only;
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};
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partition@40000 {
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label = "user";
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reg = <0x00040000 0x00400000>;
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read-only;
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};
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partition@440000 {
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label = "flash";
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reg = <0x00440000 0x03bc0000>;
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};
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};
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};
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};
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