GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/bootloader/u-boot-2020.01/arch/arm/dts/socfpga_arria10_socdk.dtsi

@@ -0,0 +1,182 @@
+/*
+ * 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.dtsi"
+
+/ {
+	model = "Altera SOCFPGA Arria 10";
+	compatible = "altr,socfpga-arria10", "altr,socfpga";
+
+	aliases {
+		ethernet0 = &gmac0;
+		serial0 = &uart1;
+		i2c0 = &i2c1;
+	};
+
+	chosen {
+		bootargs = "earlyprintk";
+		stdout-path = "serial0:115200n8";
+	};
+
+	memory@0 {
+		name = "memory";
+		device_type = "memory";
+		reg = <0x0 0x40000000>; /* 1GB */
+		u-boot,dm-pre-reloc;
+	};
+
+	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 {
+	u-boot,dm-pre-reloc;
+	status = "okay";
+};
+
+&usb0 {
+	status = "okay";
+	disable-over-current;
+};
+
+&watchdog1 {
+	status = "okay";
+};
+
+/* Clock available early */
+&main_periph_ref_clk {
+	u-boot,dm-pre-reloc;
+};
+
+&l4_mp_clk {
+	u-boot,dm-pre-reloc;
+};
+
+&l4_sp_clk {
+	u-boot,dm-pre-reloc;
+};