1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2015 Altera Corporation <www.altera.com>
5 #include "socfpga_arria10.dtsi"
8 model = "Altera SOCFPGA Arria 10";
9 compatible = "altr,socfpga-arria10", "altr,socfpga";
17 bootargs = "earlyprintk";
18 stdout-path = "serial0:115200n8";
23 device_type = "memory";
24 reg = <0x0 0x40000000>; /* 1GB */
28 compatible = "gpio-leds";
32 gpios = <&a10sr_gpio 0 1>;
37 gpios = <&a10sr_gpio 1 1>;
42 gpios = <&a10sr_gpio 2 1>;
47 gpios = <&a10sr_gpio 3 1>;
55 clock-frequency = <25000000>;
64 phy-addr = <0xffffffff>; /* probe for phy addr */
67 * These skews assume the user's FPGA design is adding 600ps of delay
68 * for TX_CLK on Arria 10.
70 * All skews are offset since hardware skew values for the ksz9031
71 * range from a negative skew to a positive skew.
72 * See the micrel-ksz90x1.txt Documentation file for details.
74 txd0-skew-ps = <0>; /* -420ps */
75 txd1-skew-ps = <0>; /* -420ps */
76 txd2-skew-ps = <0>; /* -420ps */
77 txd3-skew-ps = <0>; /* -420ps */
78 rxd0-skew-ps = <420>; /* 0ps */
79 rxd1-skew-ps = <420>; /* 0ps */
80 rxd2-skew-ps = <420>; /* 0ps */
81 rxd3-skew-ps = <420>; /* 0ps */
82 txen-skew-ps = <0>; /* -420ps */
83 txc-skew-ps = <1860>; /* 960ps */
84 rxdv-skew-ps = <420>; /* 0ps */
85 rxc-skew-ps = <1680>; /* 780ps */
86 max-frame-size = <3800>;
98 compatible = "altr,a10sr";
100 spi-max-frequency = <100000>;
101 /* low-level active IRQ at GPIO1_5 */
102 interrupt-parent = <&portb>;
103 interrupts = <5 IRQ_TYPE_LEVEL_LOW>;
104 interrupt-controller;
105 #interrupt-cells = <2>;
107 a10sr_gpio: gpio-controller {
108 compatible = "altr,a10sr-gpio";
113 a10sr_rst: reset-controller {
114 compatible = "altr,a10sr-reset";
124 * adjust the falling times to decrease the i2c frequency to 50Khz
125 * because the LCD module does not work at the standard 100Khz
127 clock-frequency = <100000>;
128 i2c-sda-falling-time-ns = <6000>;
129 i2c-scl-falling-time-ns = <6000>;
132 compatible = "atmel,24c32";
138 compatible = "dallas,ds1339";
143 compatible = "ltc2977";
154 disable-over-current;