boot/dts/r8a7744-iwg20m.dtsi

0001 // SPDX-License-Identifier: GPL-2.0
0002 /*
0003  * Device Tree Source for the iWave RZ/G1N Qseven SOM
0004  *
0005  * Copyright (C) 2018 Renesas Electronics Corp.
0006  */
0007
0008 #include "r8a7744.dtsi"
0009 #include <dt-bindings/gpio/gpio.h>
0010
0011 / {
0012         compatible = "iwave,g20m", "renesas,r8a7744";
0013
0014         memory@40000000 {
0015                 device_type = "memory";
0016                 reg = <0 0x40000000 0 0x40000000>;
0017         };
0018
0019         reg_3p3v: 3p3v {
0020                 compatible = "regulator-fixed";
0021                 regulator-name = "3P3V";
0022                 regulator-min-microvolt = <3300000>;
0023                 regulator-max-microvolt = <3300000>;
0024                 regulator-always-on;
0025                 regulator-boot-on;
0026         };
0027 };
0028
0029 &extal_clk {
0030         clock-frequency = <20000000>;
0031 };
0032
0033 &pfc {
0034         mmcif0_pins: mmc {
0035                 groups = "mmc_data8_b", "mmc_ctrl";
0036                 function = "mmc";
0037         };
0038
0039         qspi_pins: qspi {
0040                 groups = "qspi_ctrl", "qspi_data2";
0041                 function = "qspi";
0042         };
0043
0044         sdhi0_pins: sd0 {
0045                 groups = "sdhi0_data4", "sdhi0_ctrl";
0046                 function = "sdhi0";
0047                 power-source = <3300>;
0048         };
0049 };
0050
0051 &mmcif0 {
0052         pinctrl-0 = <&mmcif0_pins>;
0053         pinctrl-names = "default";
0054
0055         vmmc-supply = <&reg_3p3v>;
0056         bus-width = <8>;
0057         non-removable;
0058         status = "okay";
0059 };
0060
0061 &qspi {
0062         pinctrl-0 = <&qspi_pins>;
0063         pinctrl-names = "default";
0064
0065         status = "okay";
0066
0067         /* WARNING - This device contains the bootloader. Handle with care. */
0068         flash: flash@0 {
0069                 #address-cells = <1>;
0070                 #size-cells = <1>;
0071                 compatible = "jedec,spi-nor";
0072                 reg = <0>;
0073                 spi-max-frequency = <50000000>;
0074                 spi-tx-bus-width = <2>;
0075                 spi-rx-bus-width = <2>;
0076                 m25p,fast-read;
0077                 spi-cpol;
0078                 spi-cpha;
0079         };
0080 };
0081
0082 &sdhi0 {
0083         pinctrl-0 = <&sdhi0_pins>;
0084         pinctrl-names = "default";
0085
0086         vmmc-supply = <&reg_3p3v>;
0087         vqmmc-supply = <&reg_3p3v>;
0088         cd-gpios = <&gpio7 11 GPIO_ACTIVE_LOW>;
0089         status = "okay";
0090 };