add ax88772_rst

hc

2024-05-10 9999e48639b3cecb08ffb37358bcba3b48161b29

 kernel/arch/microblaze/boot/dts/system.dts
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * Device Tree Generator version: 1.1
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  *
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@@ -5,21 +6,6 @@
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  * (C) Copyright 2007-2009 Michal Simek
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  *
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  * Michal SIMEK <monstr@monstr.eu>
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- *
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- * This program is free software; you can redistribute it and/or
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- * modify it under the terms of the GNU General Public License as
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- * published by the Free Software Foundation; either version 2 of
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- * the License, or (at your option) any later version.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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- * GNU General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public License
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- * along with this program; if not, write to the Free Software
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- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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- * MA 02111-1307 USA
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  *
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  * CAUTION: This file is automatically generated by libgen.
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  * Version: Xilinx EDK 10.1.03 EDK_K_SP3.6
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@@ -32,7 +18,6 @@
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 	#address-cells = <1>;
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 	#size-cells = <1>;
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 	compatible = "xlnx,microblaze";
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-	hard-reset-gpios = <&LEDs_8Bit 2 1>;
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 	model = "testing";
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 	DDR2_SDRAM: memory@90000000 {
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 		device_type = "memory";
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@@ -295,6 +280,21 @@
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 				gpios = <&LEDs_8Bit 7 1>;
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 			};
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 		} ;
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+
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+		gpio-restart {
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+			compatible = "gpio-restart";
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+			/*
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+			 * FIXME: is this active low or active high?
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+			 * the current flag (1) indicates active low.
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+			 * delay measures are templates, should be adjusted
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+			 * to datasheet or trial-and-error with real hardware.
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+			 */
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+			gpios = <&LEDs_8Bit 2 1>;
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+			active-delay = <100>;
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+			inactive-delay = <10>;
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+			wait-delay = <100>;
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+		};
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+
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 		RS232_Uart_1: serial@84000000 {
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 			clock-frequency = <125000000>;
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 			compatible = "xlnx,xps-uartlite-1.00.a";