bcm63xx: add unmodded SERCOMM AD1018 support

Until now only HW modded SPI flash version was supported.

BCM6328 with 64M RAM and 128M NAND.
More info: https://openwrt.org/toh/sercomm/ad1018

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

1 files changed, 210 insertions, 0 deletions

diff --git a/target/linux/bcm63xx/dts/bcm6328-sercomm-ad1018.dts b/target/linux/bcm63xx/dts/bcm6328-sercomm-ad1018.dts
new file mode 100644
index 0000000000..7f9a6e2698
--- /dev/null
+++ b/target/linux/bcm63xx/dts/bcm6328-sercomm-ad1018.dts
@@ -0,0 +1,210 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+/dts-v1/;
+
+#include "bcm6328.dtsi"
+
+#include <dt-bindings/input/input.h>
+
+/ {
+	model = "Sercomm AD1018";
+	compatible = "sercomm,ad1018", "brcm,bcm6328";
+
+	aliases {
+		led-boot = &led_power_green;
+		led-failsafe = &led_power_green;
+		led-running = &led_power_green;
+		led-upgrade = &led_power_green;
+	};
+
+	chosen {
+		bootargs = "rootfstype=squashfs,jffs2 noinitrd console=ttyS0,115200";
+		stdout-path = "serial0:115200n8";
+	};
+
+	keys {
+		compatible = "gpio-keys-polled";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		poll-interval = <20>;
+
+		wps {
+			label = "wps";
+			gpios = <&pinctrl 24 1>;
+			linux,code = <KEY_WPS_BUTTON>;
+			debounce-interval = <60>;
+		};
+
+		wifi {
+			label = "wifi";
+			gpios = <&pinctrl 25 1>;
+			linux,code = <KEY_WLAN>;
+			debounce-interval = <60>;
+		};
+
+		reset {
+			label = "reset";
+			gpios = <&pinctrl 31 1>;
+			linux,code = <KEY_RESTART>;
+			debounce-interval = <60>;
+		};
+	};
+};
+
+&leds {
+	status = "ok";
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_leds &pinctrl_serial_led
+		     &pinctrl_ephy0_spd_led &pinctrl_ephy1_act_led
+		     &pinctrl_ephy2_act_led &pinctrl_ephy3_act_led>;
+
+	brcm,serial-leds;
+	brcm,serial-shift-inv;
+	brcm,serial-dat-low;
+
+	led@0 {
+		reg = <0>;
+		active-low;
+		label = "ad1018:red:internet";
+	};
+
+	led@1 {
+		reg = <1>;
+		active-low;
+		label = "ad1018:green:internet";
+	};
+
+	led_power_green: led@8 {
+		reg = <8>;
+		active-low;
+		label = "ad1018:green:power";
+		default-state = "on";
+	};
+
+	led@10 {
+		reg = <10>;
+		active-low;
+		label = "ad1018:green:adsl";
+	};
+
+	led@11 {
+		reg = <11>;
+		active-low;
+		label = "ad1018:red:adsl";
+	};
+
+	led@12 {
+		reg = <12>;
+		active-low;
+		label = "ad1018:green:phone";
+	};
+
+	led@13 {
+		reg = <13>;
+		active-low;
+		label = "ad1018:green:wps";
+	};
+
+	led@14 {
+		reg = <14>;
+		active-low;
+		label = "ad1018:green:wifi";
+	};
+
+	led@15 {
+		reg = <15>;
+		active-low;
+		label = "ad1018:green:usb";
+	};
+
+	led@17 {
+		/* EPHY0 Spd */
+		reg = <17>;
+		brcm,hardware-controlled;
+	};
+};
+
+&nflash {
+	status = "okay";
+
+	nandcs@0 {
+		compatible = "brcm,nandcs";
+		#size-cells = <1>;
+		#address-cells = <1>;
+		reg = <0>;
+		nand-ecc-step-size = <512>;
+		nand-ecc-strength = <15>;
+		nand-on-flash-bbt;
+		brcm,nand-oob-sector-size = <64>;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			partition@0 {
+				label = "cferom";
+				reg = <0x0000000 0x0020000>;
+				read-only;
+			};
+
+			partition@20000 {
+				label = "mmap";
+				reg = <0x0020000 0x00a0000>;
+				read-only;
+			};
+
+			partition@c0000 {
+				label = "cferam1";
+				reg = <0x00c0000 0x0140000>;
+				read-only;
+			};
+
+			partition@200000 {
+				label = "cferam2";
+				reg = <0x0200000 0x0140000>;
+				read-only;
+			};
+
+			partition@520000 {
+				compatible = "brcm,wfi-sercomm";
+				label = "wfi";
+				reg = <0x0520000 0x6400000>;
+			};
+
+			partition@6920000 {
+				label = "bootflag1";
+				reg = <0x6920000 0x0140000>;
+			};
+
+			partition@6a60000 {
+				label = "bootflag2";
+				reg = <0x6a60000 0x0140000>;
+			};
+
+			partition@6ba0000 {
+				label = "xml_cfg";
+				reg = <0x6ba0000 0x0280000>;
+				read-only;
+			};
+
+			partition@6e20000 {
+				label = "app_dat";
+				reg = <0x6e20000 0x0280000>;
+				read-only;
+			};
+		};
+	};
+};
+
+&pinctrl {
+	pinctrl_leds: leds {
+		function = "led";
+		pins = "gpio0", "gpio1";
+	};
+};
+
+&uart0 {
+	status = "ok";
+};