// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2015 Altera Corporation */ #include "socfpga_arria10.dtsi" / { model = "Altera SOCFPGA Arria 10"; compatible = "altr,socfpga-arria10", "altr,socfpga"; aliases { ethernet0 = &gmac0; serial0 = &uart1; }; chosen { bootargs = "earlyprintk"; stdout-path = "serial0:115200n8"; }; memory@0 { name = "memory"; device_type = "memory"; reg = <0x0 0x40000000>; /* 1GB */ }; a10leds { compatible = "gpio-leds"; a10sr_led0 { label = "a10sr-led0"; gpios = <&a10sr_gpio 0 1>; }; a10sr_led1 { label = "a10sr-led1"; gpios = <&a10sr_gpio 1 1>; }; a10sr_led2 { label = "a10sr-led2"; gpios = <&a10sr_gpio 2 1>; }; a10sr_led3 { label = "a10sr-led3"; gpios = <&a10sr_gpio 3 1>; }; }; ref_033v: 033-v-ref { compatible = "regulator-fixed"; regulator-name = "0.33V"; regulator-min-microvolt = <330000>; regulator-max-microvolt = <330000>; }; soc { clkmgr@ffd04000 { clocks { osc1 { clock-frequency = <25000000>; }; }; }; }; }; &gmac0 { phy-mode = "rgmii"; phy-addr = <0xffffffff>; /* probe for phy addr */ /* * These skews assume the user's FPGA design is adding 600ps of delay * for TX_CLK on Arria 10. * * All skews are offset since hardware skew values for the ksz9031 * range from a negative skew to a positive skew. * See the micrel-ksz90x1.txt Documentation file for details. */ txd0-skew-ps = <0>; /* -420ps */ txd1-skew-ps = <0>; /* -420ps */ txd2-skew-ps = <0>; /* -420ps */ txd3-skew-ps = <0>; /* -420ps */ rxd0-skew-ps = <420>; /* 0ps */ rxd1-skew-ps = <420>; /* 0ps */ rxd2-skew-ps = <420>; /* 0ps */ rxd3-skew-ps = <420>; /* 0ps */ txen-skew-ps = <0>; /* -420ps */ txc-skew-ps = <1860>; /* 960ps */ rxdv-skew-ps = <420>; /* 0ps */ rxc-skew-ps = <1680>; /* 780ps */ max-frame-size = <3800>; status = "okay"; }; &gpio1 { status = "okay"; }; &spi1 { status = "okay"; resource-manager@0 { compatible = "altr,a10sr"; reg = <0>; spi-max-frequency = <100000>; /* low-level active IRQ at GPIO1_5 */ interrupt-parent = <&portb>; interrupts = <5 IRQ_TYPE_LEVEL_LOW>; interrupt-controller; #interrupt-cells = <2>; a10sr_gpio: gpio-controller { compatible = "altr,a10sr-gpio"; gpio-controller; #gpio-cells = <2>; }; a10sr_rst: reset-controller { compatible = "altr,a10sr-reset"; #reset-cells = <1>; }; }; }; &i2c1 { status = "okay"; /* * adjust the falling times to decrease the i2c frequency to 50Khz * because the LCD module does not work at the standard 100Khz */ clock-frequency = <100000>; i2c-sda-falling-time-ns = <6000>; i2c-scl-falling-time-ns = <6000>; adc@14 { compatible = "lltc,ltc2497"; reg = <0x14>; vref-supply = <&ref_033v>; }; adc@16 { compatible = "lltc,ltc2497"; reg = <0x16>; vref-supply = <&ref_033v>; }; eeprom@51 { compatible = "atmel,24c32"; reg = <0x51>; pagesize = <32>; }; rtc@68 { compatible = "dallas,ds1339"; reg = <0x68>; }; ltc@5c { compatible = "ltc2977"; reg = <0x5c>; }; }; &uart1 { status = "okay"; }; &usb0 { status = "okay"; disable-over-current; }; &watchdog1 { status = "okay"; };