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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
commit76cb841cb886eef6b3bee341a2266c76578724ad (patch)
treef5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /arch/arm/boot/dts/socfpga_arria10_socdk.dtsi
parentInitial commit. (diff)
downloadlinux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz
linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm/boot/dts/socfpga_arria10_socdk.dtsi')
-rw-r--r--arch/arm/boot/dts/socfpga_arria10_socdk.dtsi171
1 files changed, 171 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/socfpga_arria10_socdk.dtsi b/arch/arm/boot/dts/socfpga_arria10_socdk.dtsi
new file mode 100644
index 000000000..64cc86a98
--- /dev/null
+++ b/arch/arm/boot/dts/socfpga_arria10_socdk.dtsi
@@ -0,0 +1,171 @@
+/*
+ * 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;
+ };
+
+ 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 {
+ 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>;
+
+ 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";
+};