diff options
Diffstat (limited to 'arch/arm64/boot/dts/renesas/r8a779g0-white-hawk-cpu.dtsi')
-rw-r--r-- | arch/arm64/boot/dts/renesas/r8a779g0-white-hawk-cpu.dtsi | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/renesas/r8a779g0-white-hawk-cpu.dtsi b/arch/arm64/boot/dts/renesas/r8a779g0-white-hawk-cpu.dtsi new file mode 100644 index 000000000..541b1e73b --- /dev/null +++ b/arch/arm64/boot/dts/renesas/r8a779g0-white-hawk-cpu.dtsi @@ -0,0 +1,199 @@ +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +/* + * Device Tree Source for the White Hawk CPU board + * + * Copyright (C) 2022 Renesas Electronics Corp. + */ + +#include "r8a779g0.dtsi" + +#include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/input/input.h> +#include <dt-bindings/leds/common.h> + +/ { + model = "Renesas White Hawk CPU board"; + compatible = "renesas,white-hawk-cpu", "renesas,r8a779g0"; + + aliases { + ethernet0 = &avb0; + serial0 = &hscif0; + }; + + chosen { + bootargs = "ignore_loglevel rw root=/dev/nfs ip=on"; + stdout-path = "serial0:921600n8"; + }; + + keys { + compatible = "gpio-keys"; + + pinctrl-0 = <&keys_pins>; + pinctrl-names = "default"; + + key-1 { + gpios = <&gpio5 0 GPIO_ACTIVE_LOW>; + linux,code = <KEY_1>; + label = "SW47"; + wakeup-source; + debounce-interval = <20>; + }; + + key-2 { + gpios = <&gpio5 1 GPIO_ACTIVE_LOW>; + linux,code = <KEY_2>; + label = "SW48"; + wakeup-source; + debounce-interval = <20>; + }; + + key-3 { + gpios = <&gpio5 2 GPIO_ACTIVE_LOW>; + linux,code = <KEY_3>; + label = "SW49"; + wakeup-source; + debounce-interval = <20>; + }; + }; + + leds { + compatible = "gpio-leds"; + + led-1 { + gpios = <&gpio7 0 GPIO_ACTIVE_HIGH>; + color = <LED_COLOR_ID_GREEN>; + function = LED_FUNCTION_INDICATOR; + function-enumerator = <1>; + }; + + led-2 { + gpios = <&gpio7 1 GPIO_ACTIVE_HIGH>; + color = <LED_COLOR_ID_GREEN>; + function = LED_FUNCTION_INDICATOR; + function-enumerator = <2>; + }; + + led-3 { + gpios = <&gpio7 2 GPIO_ACTIVE_HIGH>; + color = <LED_COLOR_ID_GREEN>; + function = LED_FUNCTION_INDICATOR; + function-enumerator = <3>; + }; + }; + + 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 0x0 0x80000000>; + }; + + memory@600000000 { + device_type = "memory"; + reg = <0x6 0x00000000 0x1 0x00000000>; + }; +}; + +&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 { + pinctrl-0 = <&hscif0_pins>; + pinctrl-names = "default"; + + 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>; + }; +}; + +&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"; + function = "hscif0"; + }; + + i2c0_pins: i2c0 { + groups = "i2c0"; + function = "i2c0"; + }; + + keys_pins: keys { + pins = "GP_5_0", "GP_5_1", "GP_5_2"; + bias-pull-up; + }; + + scif_clk_pins: scif_clk { + groups = "scif_clk"; + function = "scif_clk"; + }; +}; + +&scif_clk { + clock-frequency = <24000000>; +}; + +&rwdt { + timeout-sec = <60>; + status = "okay"; +}; |