1// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2/* 3 * Device Tree Source for the R-Car V4M Gray Hawk Single board 4 * 5 * Copyright (C) 2023 Renesas Electronics Corp. 6 * Copyright (C) 2024 Glider bv 7 */ 8 9/dts-v1/; 10#include "r8a779h0.dtsi" 11 12/ { 13 model = "Renesas Gray Hawk Single board based on r8a779h0"; 14 compatible = "renesas,gray-hawk-single", "renesas,r8a779h0"; 15 16 aliases { 17 serial0 = &hscif0; 18 }; 19 20 chosen { 21 bootargs = "ignore_loglevel"; 22 stdout-path = "serial0:921600n8"; 23 }; 24 25 memory@48000000 { 26 device_type = "memory"; 27 /* first 128MB is reserved for secure area. */ 28 reg = <0x0 0x48000000 0x0 0x78000000>; 29 }; 30 31 memory@480000000 { 32 device_type = "memory"; 33 reg = <0x4 0x80000000 0x1 0x80000000>; 34 }; 35}; 36 37&extal_clk { 38 clock-frequency = <16666666>; 39}; 40 41&extalr_clk { 42 clock-frequency = <32768>; 43}; 44 45&hscif0 { 46 pinctrl-0 = <&hscif0_pins>; 47 pinctrl-names = "default"; 48 49 uart-has-rtscts; 50 status = "okay"; 51}; 52 53&pfc { 54 pinctrl-0 = <&scif_clk_pins>; 55 pinctrl-names = "default"; 56 57 hscif0_pins: hscif0 { 58 groups = "hscif0_data", "hscif0_ctrl"; 59 function = "hscif0"; 60 }; 61 62 scif_clk_pins: scif-clk { 63 groups = "scif_clk"; 64 function = "scif_clk"; 65 }; 66}; 67 68&rwdt { 69 timeout-sec = <60>; 70 status = "okay"; 71}; 72 73&scif_clk { 74 clock-frequency = <24000000>; 75}; 76