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															-From 935327a73553001f8d81375c76985d05f604507f Mon Sep 17 00:00:00 2001 
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															-From: Christian Lamparter <[email protected]> 
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															-Date: Sat, 18 Jun 2022 00:00:29 +0200 
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															-Subject: [PATCH] ARM: dts: BCM5301X: Add DT for Meraki MR26 
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															- 
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															-Meraki MR26 is an EOL wireless access point featuring a 
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															-PoE ethernet port and two dual-band 3x3 MIMO 802.11n 
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															-radios and 1x1 dual-band WIFI dedicated to scanning. 
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															- 
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															-Thank you Amir for the unit and PSU. 
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															- 
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															-Hardware info: 
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															-SOC   : Broadcom BCM53015A1KFEBG (dual-core Cortex-A9 CPU at 800 MHz) 
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															-RAM   : SK Hynix Inc. H5TQ1G63EFR, 1 GBit DDR3 SDRAM = 128 MiB 
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															-NAND  : Spansion S34ML01G100TF100, 1 GBit SLC NAND Flash = 128 MiB 
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															-ETH   : 1 GBit Ethernet Port - PoE (TPS23754 PoE Interface) 
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															-WIFI0 : Broadcom BCM43431KMLG, BCM43431 802.11 abgn (3x3:3) 
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															-WIFI1 : Broadcom BCM43431KMLG, BCM43431 802.11 abgn (3x3:3) 
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															-WIFI2 : Broadcom BCM43428 "Air Marshal" 802.11 abgn (1x1:1) 
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															-BUTTON: One reset key behind a small hole next to the Ethernet Port 
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															-LEDS  : One amber (fault), one white (indicator) LED, separate RGB-LED 
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															-MISC  : Atmel AT24C64 8KiB EEPROM i2c 
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															-      : Ti INA219 26V, 12-bit, i2c output current/voltage/power monitor 
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															- 
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															-SERIAL: 
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															-      WARNING: The serial port needs a TTL/RS-232 3V3 level converter! 
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															-      The Serial setting is 115200-8-N-1. The board has a populated 
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															-      right angle 1x4 0.1" pinheader. 
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															-      The pinout is: VCC (next to J3, has the pin 1 indicator), RX, TX, GND. 
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															- 
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															-Odd stuff: 
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															- 
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															-- uboot does not support lzma compression, but gzip'd uImage/DTB work. 
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															-- uboot claims to support FIT, but fails to pass the DTB to the kernel. 
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															-  Appending the dtb after the kernel image works. 
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															-- RGB-controller is supported through an external userspace program. 
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															-- The ubi partition contains a "board-config" volume. It stores the 
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															-  MAC Address (0x66 in binary) and Serial No. (0x7c alpha-numerical). 
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															-- SoC's temperature sensor always reports that it is on fire. 
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															-  This causes the system to immediately shutdown! Looking at reported 
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															-  "418 degree Celsius" suggests that this sensor is not working. 
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															- 
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															-WIFI: 
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															-b43 is able to initialize all three WIFIs @ 802.11bg. 
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															-| b43-phy0: Broadcom 43431 WLAN found (core revision 29) 
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															-| bcma-pci-bridge 0000:01:00.0: bus1: Switched to core: 0x812 
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															-| b43-phy0: Found PHY: Analog 9, Type 7 (HT), Revision 1 
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															-| b43-phy0: Found Radio: Manuf 0x17F, ID 0x2059, Revision 0, Version 1 
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															-| b43-phy0 warning: 5 GHz band is unsupported on this PHY 
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															-| b43-phy1: Broadcom 43431 WLAN found (core revision 29) 
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															-| bcma-pci-bridge 0001:01:00.0: bus2: Switched to core: 0x812 
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															-| b43-phy1: Found PHY: Analog 9, Type 7 (HT), Revision 1 
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															-| b43-phy1: Found Radio: Manuf 0x17F, ID 0x2059, Revision 0, Version 1 
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															-| b43-phy1 warning: 5 GHz band is unsupported on this PHY 
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															-| b43-phy2: Broadcom 43228 WLAN found (core revision 30) 
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															-| bcma-pci-bridge 0002:01:00.0: bus3: Switched to core: 0x812 
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															-| b43-phy2: Found PHY: Analog 9, Type 4 (N), Revision 16 
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															-| b43-phy2: Found Radio: Manuf 0x17F, ID 0x2057, Revision 9, Version 1 
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															-| Broadcom 43xx driver loaded [ Features: NL ] 
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															- 
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															-Signed-off-by: Christian Lamparter <[email protected]> 
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															-Signed-off-by: Florian Fainelli <[email protected]> 
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															---- 
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															---- /dev/null 
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															-+++ b/arch/arm/boot/dts/bcm53015-meraki-mr26.dts 
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															-@@ -0,0 +1,166 @@ 
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															-+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT 
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															-+/* 
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															-+ * Broadcom BCM470X / BCM5301X ARM platform code. 
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															-+ * DTS for Meraki MR26 / Codename: Venom 
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															-+ * 
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															-+ * Copyright (C) 2022 Christian Lamparter <[email protected]> 
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															-+ */ 
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															-+ 
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															-+/dts-v1/; 
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															-+ 
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															-+#include "bcm4708.dtsi" 
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															-+#include "bcm5301x-nand-cs0-bch8.dtsi" 
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															-+#include <dt-bindings/leds/common.h> 
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															-+ 
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															-+/ { 
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															-+	compatible = "meraki,mr26", "brcm,bcm53015", "brcm,bcm4708"; 
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															-+	model = "Meraki MR26"; 
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															-+ 
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															-+	memory@0 { 
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															-+		reg = <0x00000000 0x08000000>; 
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															-+		device_type = "memory"; 
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															-+	}; 
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															-+ 
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															-+	leds { 
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															-+		compatible = "gpio-leds"; 
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															-+ 
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															-+		led-0 { 
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															-+			function = LED_FUNCTION_FAULT; 
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															-+			color = <LED_COLOR_ID_AMBER>; 
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															-+			gpios = <&chipcommon 13 GPIO_ACTIVE_HIGH>; 
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															-+			panic-indicator; 
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															-+		}; 
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															-+		led-1 { 
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															-+			function = LED_FUNCTION_INDICATOR; 
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															-+			color = <LED_COLOR_ID_WHITE>; 
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															-+			gpios = <&chipcommon 12 GPIO_ACTIVE_HIGH>; 
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															-+		}; 
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															-+	}; 
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															-+ 
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															-+	keys { 
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															-+		compatible = "gpio-keys"; 
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															-+		#address-cells = <1>; 
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															-+		#size-cells = <0>; 
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															-+ 
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															-+		key-restart { 
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															-+			label = "Reset"; 
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															-+			linux,code = <KEY_RESTART>; 
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															-+			gpios = <&chipcommon 11 GPIO_ACTIVE_LOW>; 
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															-+		}; 
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															-+	}; 
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															-+}; 
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															-+ 
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															-+&uart0 { 
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															-+	clock-frequency = <50000000>; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+	/delete-property/ clocks; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+}; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+ 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+&uart1 { 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+	status = "disabled"; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+}; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+ 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+&gmac0 { 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+	status = "okay"; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+}; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+ 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+&gmac1 { 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+	status = "disabled"; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+}; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+&gmac2 { 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+	status = "disabled"; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+}; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+&gmac3 { 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+	status = "disabled"; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+}; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+ 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+&nandcs { 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+	nand-ecc-algo = "hw"; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+ 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+	partitions { 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+		compatible = "fixed-partitions"; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+		#address-cells = <0x1>; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+		#size-cells = <0x1>; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+ 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+		partition@0 { 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+			label = "u-boot"; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+			reg = <0x0 0x200000>; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+			read-only; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+		}; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+ 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+		partition@200000 { 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+			label = "u-boot-env"; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+			reg = <0x200000 0x200000>; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+			/* empty */ 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+		}; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+ 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+		partition@400000 { 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+			label = "u-boot-backup"; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+			reg = <0x400000 0x200000>; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+			/* empty */ 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+		}; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+ 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+		partition@600000 { 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+			label = "u-boot-env-backup"; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+			reg = <0x600000 0x200000>; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+			/* empty */ 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+		}; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+ 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+		partition@800000 { 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+			label = "ubi"; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+			reg = <0x800000 0x7780000>; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+		}; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+	}; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+}; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+ 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+&srab { 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+	status = "okay"; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+ 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+	ports { 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+		port@0 { 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+			reg = <0>; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+			label = "poe"; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+		}; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+ 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+		port@5 { 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+			reg = <5>; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+			label = "cpu"; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+			ethernet = <&gmac0>; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+ 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+			fixed-link { 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+				speed = <1000>; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+				duplex-full; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+			}; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+		}; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+	}; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+}; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+ 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+&i2c0 { 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+	status = "okay"; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+ 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+	pinctrl-names = "default"; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+	pinctrl-0 = <&pinmux_i2c>; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+ 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+	clock-frequency = <100000>; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+ 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+	ina219@40 { 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+		compatible = "ti,ina219"; /* PoE power */ 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+		reg = <0x40>; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+		shunt-resistor = <60000>; /* = 60 mOhms */ 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+	}; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+ 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+	eeprom@56 { 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+		compatible = "atmel,24c64"; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+		reg = <0x56>; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+		pagesize = <32>; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+		read-only; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+		#address-cells = <1>; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+		#size-cells = <1>; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+ 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+		/* it's empty */ 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+	}; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+}; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+ 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+&thermal { 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+	status = "disabled"; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+	/* does not work, reads 418 degree Celsius */ 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+}; 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															---- a/arch/arm/boot/dts/Makefile 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+++ b/arch/arm/boot/dts/Makefile 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-@@ -129,6 +129,7 @@ dtb-$(CONFIG_ARCH_BCM_5301X) += \ 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															- 	bcm47094-luxul-xwr-3150-v1.dtb \ 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															- 	bcm47094-netgear-r8500.dtb \ 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															- 	bcm47094-phicomm-k3.dtb \ 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															-+	bcm53015-meraki-mr26.dtb \ 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															- 	bcm53016-meraki-mr32.dtb \ 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															- 	bcm94708.dtb \ 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															- 	bcm94709.dtb \ 
														 | 
														
														 | 
														
															 
														 |