diff options
Diffstat (limited to 'arch/arm/dts/socfpga_arria10_socdk.dtsi')
-rw-r--r-- | arch/arm/dts/socfpga_arria10_socdk.dtsi | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/arch/arm/dts/socfpga_arria10_socdk.dtsi b/arch/arm/dts/socfpga_arria10_socdk.dtsi new file mode 100644 index 00000000000..d7616dd1c51 --- /dev/null +++ b/arch/arm/dts/socfpga_arria10_socdk.dtsi @@ -0,0 +1,167 @@ +/* + * Copyright (C) 2015 Altera Corporation <www.altera.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ +#include "socfpga_arria10_socdk_sdmmc_handoff.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>; + }; + }; + + soc { + u-boot,dm-pre-reloc; + }; +}; + +&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>; + + eeprom@51 { + compatible = "atmel,24c32"; + reg = <0x51>; + pagesize = <32>; + }; + + rtc@68 { + compatible = "dallas,ds1339"; + reg = <0x68>; + }; + + ltc@5c { + compatible = "ltc2977"; + reg = <0x5c>; + }; +}; + +&uart1 { + clock-frequency = <50000000>; + u-boot,dm-pre-reloc; + status = "okay"; +}; + +&usb0 { + status = "okay"; + disable-over-current; +}; + +&watchdog1 { + status = "okay"; +}; |