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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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ae6b61840b
Add SPI device for RSPI on Genmai. On this board, only rspi4 is in use. Its bus contains a single device (a wm8978 audio codec), for which no bindings are defined yet. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
70 lines
1.1 KiB
Plaintext
70 lines
1.1 KiB
Plaintext
/*
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* Device Tree Source for the Genmai board
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*
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* Copyright (C) 2013-14 Renesas Solutions Corp.
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* Copyright (C) 2014 Wolfram Sang, Sang Engineering <wsa@sang-engineering.com>
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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 "r7s72100.dtsi"
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/ {
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model = "Genmai";
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compatible = "renesas,genmai", "renesas,r7s72100";
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aliases {
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serial2 = &scif2;
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};
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chosen {
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bootargs = "console=ttySC2,115200 ignore_loglevel rw root=/dev/nfs ip=dhcp";
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};
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memory {
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device_type = "memory";
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reg = <0x08000000 0x08000000>;
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};
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lbsc {
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#address-cells = <1>;
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#size-cells = <1>;
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};
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};
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&extal_clk {
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clock-frequency = <13330000>;
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};
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&usb_x1_clk {
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clock-frequency = <48000000>;
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};
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&i2c2 {
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status = "okay";
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clock-frequency = <400000>;
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eeprom@50 {
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compatible = "renesas,24c128";
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reg = <0x50>;
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pagesize = <64>;
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};
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};
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&scif2 {
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status = "okay";
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};
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&spi4 {
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status = "okay";
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codec: codec@0 {
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compatible = "wlf,wm8978";
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reg = <0>;
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spi-max-frequency = <5000000>;
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};
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};
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