apm821xx: WNDR4700: enumerate PCIe in device-tree

This patch adds the pcie-switch and bridge configuration of the
WNDR4700.

This allows to get rid of the legacy firmware monikers and drop
the usbport LED declaration.

Signed-off-by: Christian Lamparter <chunkeey@gmail.com>

target/linux/apm821xx/base-files/etc/board.d/01_leds

@@ -42,9 +42,6 @@ netgear,wndap660)
 netgear,wndr4700)
 	ucidef_set_led_switch "wan_green" "WAN (green)" "wndr4700:green:wan" "switch0" "0x20"
 	ucidef_set_led_netdev "wan_yellow" "WAN (yellow)" "wndr4700:yellow:wan" "eth0.2" "tx rx"
-	ucidef_set_led_usbport "usb3" "USB3" "wndr4700:blue:usb" "usb2-port1" "usb2-port2" "usb3-port1" "usb3-port2"
-	ucidef_set_led_wlan "wlan2g" "WLAN2G" "wndr4700:blue:wlan" "phy0tpt"
-	ucidef_set_led_wlan "wlan5g" "WLAN5G" "wndr4700:blue:wlan" "phy1tpt"
 	;;
 
 *)

target/linux/apm821xx/base-files/etc/hotplug.d/firmware/10-ath9k-eeprom

@@ -7,25 +7,7 @@
 board=$(board_name)
 
 case "$FIRMWARE" in
-"pci_wmac0.eeprom")
+"ath9k-eeprom-pci-0000:43:00.0.bin")
-	case $board in
-	netgear,wndr4700)
-		. /lib/upgrade/nand.sh
-
-		if [ -n "$(nand_find_volume ubi0 caldata)" ]; then
-			caldata_extract_ubi "caldata" 0x5000 0x1000
-		else
-			caldata_extract "wifi_data" 0x5000 0x1000
-			ath9k_patch_mac $(mtd_get_mac_binary wifi_data 0xc)
-		fi
-		;;
-	*)
-		caldata_die "board $board is not supported yet"
-		;;
-	esac
-	;;
-
-"pci_wmac1.eeprom")
         case $board in
         netgear,wndr4700)
 		. /lib/upgrade/nand.sh
@@ -42,4 +24,22 @@ case "$FIRMWARE" in
 		;;
 	esac
 	;;
+
+"ath9k-eeprom-pci-0000:44:00.0.bin")
+        case $board in
+        netgear,wndr4700)
+		. /lib/upgrade/nand.sh
+
+		if [ -n "$(nand_find_volume ubi0 caldata)" ]; then
+			caldata_extract_ubi "caldata" 0x5000 0x1000
+		else
+			caldata_extract "wifi_data" 0x5000 0x1000
+			ath9k_patch_mac $(mtd_get_mac_binary wifi_data 0xc)
+		fi
+		;;
+	*)
+		caldata_die "board $board is not supported yet"
+		;;
+	esac
+	;;
 esac

target/linux/apm821xx/dts/netgear-wndr4700.dts

@@ -381,6 +381,9 @@
 		usb-blue {
 			label = "wndr4700:blue:usb";
 			gpios = <&GPIO0 10 GPIO_ACTIVE_HIGH>;
+			trigger-sources = <&usb2_port 1>, <&usb2_port 2>,
+					  <&usb3_port 1>, <&usb3_port 2>;
+			linux,default-trigger = "usbport";
 		};
 
 		logo-white {
@@ -412,12 +415,103 @@
 		wlan-blue {
 			label = "wndr4700:blue:wlan";
 			gpios = <&GPIO0 18 GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "phy0tpt";
 		};
 	};
 };
 
 &PCIE0 {
 	status = "okay";
+
+	/*
+	 * relevant lspci topology:
+	 *
+	 *	-+-[0000:40]---00.0-[41-7f]----00.0-[42-45]--+-02.0-[43]----00.0
+	 *	                                             +-03.0-[44]----00.0
+	 *	                                             \-04.0-[45]----00.0
+	 *
+	 */
+
+	bridge@64,0 {
+		reg = <0x00400000 0 0 0 0>;
+		#address-cells = <3>;
+		#size-cells = <2>;
+		ranges;
+
+		bridge@65,0 {
+			/* IDT PES4T4 PCI Express Switch */
+			compatible = "pci111d,803a";
+			reg = <0x00410000 0 0 0 0>;
+			#address-cells = <3>;
+			#size-cells = <2>;
+			ranges;
+
+			bridge@66,2 {
+				compatible = "pci111d,803a";
+				reg = <0x00421000 0 0 0 0>;
+				#address-cells = <3>;
+				#size-cells = <2>;
+				ranges;
+
+				wifi0: wifi@67,0 {
+					/* Atheros AR9380 5GHz */
+					compatible = "pci168c,0030";
+					reg = <0x00430000 0 0 0 0>;
+					qca,no-eeprom;
+					/* wifi CAL & MAC is stored in nvram */
+
+					/*
+					 * Because this was such a pain.
+					 * Here's the full device path:
+					 * pci0000:40/0000:40:00.0/0000:41:00.0/0000:42:02.0/0000:43:00.0
+					 */
+				};
+			};
+
+			bridge@66,3 {
+				compatible = "pci111d,803a";
+				reg = <0x00421800 0 0 0 0>;
+				#address-cells = <3>;
+				#size-cells = <2>;
+				ranges;
+
+				wifi1: wifi@68,0 {
+					/* Atheros AR9381 2.4GHz */
+					compatible = "pci168c,0033";
+					reg = <0x00440000 0 0 0 0>;
+					qca,no-eeprom;
+					/* wifi CAL & MAC is stored in nvram */
+				};
+			};
+
+			bridge@66,4 {
+				compatible = "pci111d,803a";
+				reg = <0x00422000 0 0 0 0>;
+				#address-cells = <3>;
+				#size-cells = <2>;
+				ranges;
+
+				usb1: usb@69,0 {
+					/* Renesas uPD720202 */
+					compatible = "pci1912,0015";
+					reg = <0x00450000 0 0 0 0>;
+
+					#address-cells = <1>;
+					#size-cells = <0>;
+
+					usb2_port: port@1 {
+						reg = <1>;
+						#trigger-source-cells = <1>;
+					};
+
+					usb3_port: port@2 {
+						reg = <2>;
+						#trigger-source-cells = <1>;
+					};
+				};
+			};
+		};
+	};
 };
 
 &MSI {

target/linux/apm821xx/files/arch/powerpc/platforms/44x/wndr4700.c

@@ -73,27 +73,8 @@ define_machine(wndr4700) {
 	.calibrate_decr = generic_calibrate_decr,
 };
 
-static struct ath9k_platform_data ar9380_wmac0_data = {
-	.led_pin = -1,
-	.eeprom_name = "pci_wmac1.eeprom",
-};
-static struct ath9k_platform_data ar9580_wmac1_data = {
-	.led_pin = -1,
-	.eeprom_name = "pci_wmac0.eeprom",
-};
-
 static int __init wndr4700_ath9k_eeprom_load(void)
 {
-	struct pci_dev *dev;
-
-	dev = pci_get_device(PCI_VENDOR_ID_ATHEROS, 0x0030, NULL);
-	if (dev)
-		dev->dev.platform_data = &ar9380_wmac0_data;
-
-	dev = pci_get_device(PCI_VENDOR_ID_ATHEROS, 0x0033, NULL);
-	if (dev)
-		dev->dev.platform_data = &ar9580_wmac1_data;
-
 	return 0;
 }
 machine_device_initcall(wndr4700, wndr4700_ath9k_eeprom_load);