ARM: dts: bcm53016: Add devicetree for D-Link DWL-8610AP

This adds a device tree for the BCM53016-based D-Link DWL-8610AP
access point wireless router.

The TRX-format partitions had to be named "firmware" due to
an OpenWrt patch that only accepts parting such nodes if they
are named "firmware".

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20221019193449.3036010-2-linus.walleij@linaro.org
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>

2 files changed, 132 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 6aa7dc4db2fc..1cdeb5f88e4e 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -139,6 +139,7 @@ dtb-$(CONFIG_ARCH_BCM_5301X) += \
 	bcm47094-netgear-r8500.dtb \
 	bcm47094-phicomm-k3.dtb \
 	bcm53015-meraki-mr26.dtb \
+	bcm53016-dlink-dwl-8610ap.dtb \
 	bcm53016-meraki-mr32.dtb \
 	bcm94708.dtb \
 	bcm94709.dtb \
diff --git a/arch/arm/boot/dts/bcm53016-dlink-dwl-8610ap.dts b/arch/arm/boot/dts/bcm53016-dlink-dwl-8610ap.dts
new file mode 100644
index 000000000000..b44a24448386
--- /dev/null
+++ b/arch/arm/boot/dts/bcm53016-dlink-dwl-8610ap.dts
@@ -0,0 +1,131 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/dts-v1/;
+
+#include "bcm4709.dtsi"
+#include "bcm5301x-nand-cs0-bch8.dtsi"
+#include <dt-bindings/leds/common.h>
+#include <dt-bindings/input/input.h>
+
+/ {
+	model = "D-Link DWL-8610AP";
+	compatible = "dlink,dwl-8610ap", "brcm,bcm53016", "brcm,bcm4708";
+
+	memory@0 {
+		device_type = "memory";
+		/* 512 MB RAM in 2 x Macronix D9PSH chips */
+		reg = <0x00000000 0x08000000>,
+		      <0x88000000 0x08000000>;
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		power {
+			function = LED_FUNCTION_POWER;
+			color = <LED_COLOR_ID_GREEN>;
+			gpios = <&chipcommon 0 GPIO_ACTIVE_LOW>;
+			default-state = "on";
+		};
+
+		diag {
+			/* Actually "diag" unclear what this means */
+			function = LED_FUNCTION_INDICATOR;
+			color = <LED_COLOR_ID_RED>;
+			gpios = <&chipcommon 1 GPIO_ACTIVE_LOW>;
+			default-state = "on";
+			linux,default-trigger = "heartbeat";
+		};
+
+		wlan-2g {
+			function = LED_FUNCTION_WLAN;
+			color = <LED_COLOR_ID_GREEN>;
+			gpios = <&chipcommon 5 GPIO_ACTIVE_LOW>;
+		};
+
+		wlan-5g {
+			function = LED_FUNCTION_WLAN;
+			color = <LED_COLOR_ID_GREEN>;
+			gpios = <&chipcommon 8 GPIO_ACTIVE_LOW>;
+		};
+	};
+
+	gpio_keys {
+		compatible = "gpio-keys";
+
+		button-reset {
+			debounce-interval = <100>;
+			wakeup-source;
+			linux,code = <KEY_RESTART>;
+			label = "reset";
+			/* This GPIO is actually stored in NVRAM, but it's not gonna change */
+			gpios = <&chipcommon 4 GPIO_ACTIVE_LOW>;
+		};
+	};
+
+	/*
+	 * Flash memory at 0x1e000000-0x1fffffff
+	 * Macronix 32 64KB blocks; total size 2MB, same that can be
+	 * found attached to the spi_nor SPI controller.
+	 */
+	nvram@1e080000 {
+		compatible = "brcm,nvram";
+		reg = <0x1e080000 0x00020000>;
+
+		et0macaddr: et0macaddr {
+		};
+
+		et1macaddr: et1macaddr {
+		};
+	};
+};
+
+&gmac0 {
+	nvmem-cells = <&et0macaddr>;
+	nvmem-cell-names = "mac-address";
+};
+
+&gmac1 {
+	nvmem-cells = <&et1macaddr>;
+	nvmem-cell-names = "mac-address";
+};
+
+&spi_nor {
+	/* Serial SPI NOR Flash MX 25L1606E */
+	status = "okay";
+};
+
+&nandcs {
+	/*
+	 * Spansion S34ML01G100TFI00 128 MB NAND Flash memory
+	 *
+	 * This ECC is a bit unorthodox but it is what the stock firmware
+	 * is using, so to be able to mount the original partitions
+	 * this is necessary.
+	 */
+	nand-ecc-strength = <5>;
+	partitions {
+		compatible = "fixed-partitions";
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		/* This is named nflash1.trx in CFE */
+		trx@0 {
+			label = "firmware";
+			reg = <0x00000000 0x02800000>;
+			compatible = "brcm,trx";
+		};
+
+		/* This is named nflash1.trx2 in CFE */
+		trx2@2800000 {
+			label = "firmware2";
+			reg = <0x02800000 0x02800000>;
+			compatible = "brcm,trx";
+		};
+
+		/* This is named nflash1.rwfs in CFE */
+		free@5000000 {
+			label = "free";
+			reg = <0x05000000 0x03000000>;
+		};
+	};
+};