1// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2/* 3 * Device Tree Source for the White Hawk CPU board 4 * 5 * Copyright (C) 2022 Renesas Electronics Corp. 6 */ 7 8#include "r8a779g0.dtsi" 9 10/ { 11 model = "Renesas White Hawk CPU board"; 12 compatible = "renesas,white-hawk-cpu", "renesas,r8a779g0"; 13 14 memory@48000000 { 15 device_type = "memory"; 16 /* first 128MB is reserved for secure area. */ 17 reg = <0x0 0x48000000 0x0 0x78000000>; 18 }; 19 20 memory@480000000 { 21 device_type = "memory"; 22 reg = <0x4 0x80000000 0x0 0x80000000>; 23 }; 24 25 memory@600000000 { 26 device_type = "memory"; 27 reg = <0x6 0x00000000 0x1 0x00000000>; 28 }; 29}; 30 31&extal_clk { 32 clock-frequency = <16666666>; 33}; 34 35&extalr_clk { 36 clock-frequency = <32768>; 37}; 38 39&hscif0 { 40 status = "okay"; 41}; 42 43&i2c0 { 44 pinctrl-0 = <&i2c0_pins>; 45 pinctrl-names = "default"; 46 47 status = "okay"; 48 clock-frequency = <400000>; 49 50 eeprom@50 { 51 compatible = "rohm,br24g01", "atmel,24c01"; 52 label = "cpu-board"; 53 reg = <0x50>; 54 pagesize = <8>; 55 }; 56}; 57 58&pfc { 59 pinctrl-0 = <&scif_clk_pins>; 60 pinctrl-names = "default"; 61 62 hscif0_pins: hscif0 { 63 groups = "hscif0_data"; 64 function = "hscif0"; 65 }; 66 67 i2c0_pins: i2c0 { 68 groups = "i2c0"; 69 function = "i2c0"; 70 }; 71 72 scif_clk_pins: scif_clk { 73 groups = "scif_clk"; 74 function = "scif_clk"; 75 }; 76}; 77 78&scif_clk { 79 clock-frequency = <24000000>; 80}; 81 82&rwdt { 83 timeout-sec = <60>; 84 status = "okay"; 85}; 86