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

source/bootloader/u-boot-2020.01/arch/arm/dts/at91sam9g20-taurus.dts

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+/*
+ * at91sam9g20-taurus.dts
+ * (C) Copyright 2016
+ * Heiko Schocher, DENX Software Engineering, hs@denx.de.
+ *
+ * Based on:
+ * at91sam9g20ek.dts - Device Tree file for Atmel at91sam9g20ek board
+ *
+ * Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
+ *
+ * Licensed under GPLv2.
+ */
+/dts-v1/;
+#include "at91sam9g20.dtsi"
+
+/ {
+	model = "Siemens taurus";
+	compatible = "atmel,at91sam9g20", "atmel,at91sam9";
+
+	chosen {
+		u-boot,dm-pre-reloc;
+		stdout-path = &dbgu;
+	};
+
+	memory {
+		reg = <0x20000000 0x4000000>;
+	};
+
+	clocks {
+		slow_xtal {
+			clock-frequency = <32768>;
+		};
+
+		main_xtal {
+			clock-frequency = <18432000>;
+		};
+	};
+};
+
+&dbgu {
+	status = "okay";
+};
+
+&gpbr {
+	status = "okay";
+};
+
+&macb0 {
+	phy-mode = "rmii";
+	status = "okay";
+};
+
+&nand0 {
+	nand-bus-width = <8>;
+	nand-ecc-mode = "soft";
+	nand-on-flash-bbt;
+	status = "okay";
+};
+
+&pinctrl {
+	u-boot,dm-pre-reloc;
+	board {
+		pinctrl_pck0_as_mck: pck0_as_mck {
+			atmel,pins =
+			/* PC1 periph B */
+			<AT91_PIOC 1 AT91_PERIPH_B AT91_PINCTRL_NONE>;
+		};
+
+	};
+};
+
+&rtc {
+	atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
+	status = "okay";
+};
+
+&spi0 {
+	cs-gpios = <0>, <&pioC 11 0>, <0>, <0>;
+	mtd_dataflash@0 {
+		compatible = "atmel,at45", "atmel,dataflash";
+		spi-max-frequency = <50000000>;
+		reg = <1>;
+	};
+};
+
+&ssc0 {
+	status = "okay";
+	pinctrl-0 = <&pinctrl_ssc0_tx>;
+};
+
+&usart0 {
+	pinctrl-0 =
+		<&pinctrl_usart0
+		 &pinctrl_usart0_rts
+		 &pinctrl_usart0_cts
+		 &pinctrl_usart0_dtr_dsr
+		 &pinctrl_usart0_dcd
+		 &pinctrl_usart0_ri>;
+	status = "okay";
+};
+
+&usart1 {
+	status = "okay";
+};
+
+&usb0 {
+	num-ports = <2>;
+	status = "okay";
+};
+
+&usb1 {
+	atmel,vbus-gpio = <&pioC 5 GPIO_ACTIVE_HIGH>;
+	status = "okay";
+};
+
+&watchdog {
+	u-boot,dm-pre-reloc;
+	timeout-sec = <15>;
+	status = "okay";
+};