// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) /* * Device Tree Source for the Gray Hawk CPU board * * Copyright (C) 2023 Renesas Electronics Corp. */ #include #include #include "r8a779h0.dtsi" / { model = "Renesas Gray Hawk CPU board"; compatible = "renesas,grayhawk-cpu", "renesas,r8a779h0"; aliases { ethernet0 = &avb0; serial0 = &hscif0; }; chosen { bootargs = "ignore_loglevel"; stdout-path = "serial0:921600n8"; }; memory@48000000 { device_type = "memory"; /* first 128MB is reserved for secure area. */ reg = <0x0 0x48000000 0x0 0x78000000>; }; memory@480000000 { device_type = "memory"; reg = <0x4 0x80000000 0x1 0x80000000>; }; reg_1p8v: regulator-1p8v { compatible = "regulator-fixed"; regulator-name = "fixed-1.8V"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; regulator-boot-on; regulator-always-on; }; reg_3p3v: regulator-3p3v { compatible = "regulator-fixed"; regulator-name = "fixed-3.3V"; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; regulator-boot-on; regulator-always-on; }; }; &avb0 { pinctrl-0 = <&avb0_pins>; pinctrl-names = "default"; phy-handle = <&phy0>; tx-internal-delay-ps = <2000>; status = "okay"; phy0: ethernet-phy@0 { compatible = "ethernet-phy-id0022.1622", "ethernet-phy-ieee802.3-c22"; rxc-skew-ps = <1500>; reg = <0>; interrupt-parent = <&gpio7>; interrupts = <5 IRQ_TYPE_LEVEL_LOW>; reset-gpios = <&gpio7 10 GPIO_ACTIVE_LOW>; }; }; &extal_clk { clock-frequency = <16666666>; }; &extalr_clk { clock-frequency = <32768>; }; &hscif0 { uart-has-rtscts; status = "okay"; }; &i2c0 { pinctrl-0 = <&i2c0_pins>; pinctrl-names = "default"; status = "okay"; clock-frequency = <400000>; eeprom@50 { compatible = "rohm,br24g01", "atmel,24c01"; label = "cpu-board"; reg = <0x50>; pagesize = <8>; }; }; &mmc0 { pinctrl-0 = <&mmc_pins>; pinctrl-1 = <&mmc_pins>; pinctrl-names = "default", "state_uhs"; vmmc-supply = <®_3p3v>; vqmmc-supply = <®_1p8v>; mmc-hs200-1_8v; mmc-hs400-1_8v; bus-width = <8>; no-sd; no-sdio; non-removable; full-pwr-cycle-in-suspend; status = "okay"; }; &pfc { pinctrl-0 = <&scif_clk_pins>; pinctrl-names = "default"; avb0_pins: avb0 { mux { groups = "avb0_link", "avb0_mdio", "avb0_rgmii", "avb0_txcrefclk"; function = "avb0"; }; pins_mdio { groups = "avb0_mdio"; drive-strength = <21>; }; pins_mii { groups = "avb0_rgmii"; drive-strength = <21>; }; }; hscif0_pins: hscif0 { groups = "hscif0_data", "hscif0_ctrl"; function = "hscif0"; }; i2c0_pins: i2c0 { groups = "i2c0"; function = "i2c0"; }; mmc_pins: mmc { groups = "mmc_data8", "mmc_ctrl", "mmc_ds"; function = "mmc"; power-source = <1800>; }; scif_clk_pins: scif_clk { groups = "scif_clk"; function = "scif_clk"; }; }; &scif_clk { clock-frequency = <24000000>; };