bcm53xx: add support for Phicomm K3

Hardware specifications:

- CPU: Broadcom BCM4709C0 @1.4GHz (Dual-Core ARM)
- RAM: 512 MB (DDR3)
- Flash: 128 MB (NAND)
- LAN ports: 3, LAN speed: 10/100/1000
- WAN ports: 1, WAN speed: 10/100/1000
- 2.4G: BCM4366 4x4 MIMO 1000Mbps -- Skyworks SE2623L 2.4GHz Power Amplifier (x4)
- 5G: BCM4366 4x4 MIMO 2167Mbps -- RFMD RFPA5542 5GHz Power Amplifier Module (x4)
- USB: 1x USB 3.0 port
- 1x LED, 1x reset button, 1x power switch
- 1x system status touch screen

Flash:

- Enter CFE
- Upload the trx file
- Reboot

Signed-off-by: Hao Dong <halbertdong@gmail.com>

1 files changed, 114 insertions, 0 deletions

diff --git a/target/linux/bcm53xx/patches-4.19/322-ARM-dts-BCM5301X-Add-basic-DT-for-Phicomm-K3.patch b/target/linux/bcm53xx/patches-4.19/322-ARM-dts-BCM5301X-Add-basic-DT-for-Phicomm-K3.patch
new file mode 100644
index 0000000000..1b7098639b
--- /dev/null
+++ b/target/linux/bcm53xx/patches-4.19/322-ARM-dts-BCM5301X-Add-basic-DT-for-Phicomm-K3.patch
@@ -0,0 +1,114 @@
+From 8ab0ea8e9275c03f253f84dc83ee86cdbeb1fcf4 Mon Sep 17 00:00:00 2001
+From: Hao Dong <halbertdong@gmail.com>
+Date: Sat, 19 Jan 2019 17:25:29 +0000
+Subject: [PATCH] ARM: dts: BCM5301X: Add basic DT for Phicomm K3
+
+This router has BCM4709C0, 128MB NAND flash (MX30LF1G18AC-TI),
+and 512MB memory, with 3 x LAN and 1 x WAN. WL chips are
+BCM4366C0 x 2. The router has a small LCD and 3 capactive keys
+driven by a PIC microcontroller, which is in turn wired to
+UART1 of main board.
+
+Everything except the LCD works. Hamster has activated LCD through
+UART1, but further programming, i.e., a independent package, is
+required to make sure its working properly.
+
+Since the firmware of Broadcom 4366c0 has been provided by
+openwrt.org, now its wireless is functional but limited. The
+"official" firmware cannot work properly in some 5G Hz channel.
+
+Signed-off-by: Hao Dong <halbertdong@gmail.com>
+---
+ arch/arm/boot/dts/Makefile                |  1 +
+ arch/arm/boot/dts/bcm47094-phicomm-k3.dts | 75 +++++++++++++++++++++++
+ 2 files changed, 76 insertions(+)
+ create mode 100644 arch/arm/boot/dts/bcm47094-phicomm-k3.dts
+
+--- a/arch/arm/boot/dts/Makefile
++++ b/arch/arm/boot/dts/Makefile
+@@ -115,6 +115,7 @@ dtb-$(CONFIG_ARCH_BCM_5301X) += \
+ 	bcm47094-luxul-xwr-3100.dtb \
+ 	bcm47094-luxul-xwr-3150-v1.dtb \
+ 	bcm47094-netgear-r8500.dtb \
++	bcm47094-phicomm-k3.dtb \
+ 	bcm94708.dtb \
+ 	bcm94709.dtb \
+ 	bcm953012er.dtb \
+--- /dev/null
++++ b/arch/arm/boot/dts/bcm47094-phicomm-k3.dts
+@@ -0,0 +1,75 @@
++// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
++/*
++* Copyright (C) 2017 Hamster Tian <haotia@gmail.com>
++* Copyright (C) 2019 Hao Dong <halbertdong@gmail.com>
++*/
++
++/dts-v1/;
++
++#include "bcm47094.dtsi"
++#include "bcm5301x-nand-cs0-bch4.dtsi"
++
++/ {
++	compatible = "phicomm,k3", "brcm,bcm47094", "brcm,bcm4708";
++	model = "Phicomm K3";
++
++	chosen {
++		bootargs = "console=ttyS0,115200";
++	};
++
++	memory {
++		reg = <0x00000000 0x08000000
++               0x88000000 0x18000000>;
++	};
++
++	gpio-keys {
++		compatible = "gpio-keys";
++		#address-cells = <1>;
++		#size-cells = <0>;
++
++		restart {
++			label = "Reset";
++			linux,code = <KEY_RESTART>;
++			gpios = <&chipcommon 17 GPIO_ACTIVE_LOW>;
++		};
++	};
++};
++
++&uart1 {
++	status = "okay";
++};
++
++&usb3_phy {
++	status = "okay";
++};
++
++&nandcs {
++	partitions {
++		compatible = "fixed-partitions";
++		#address-cells = <1>;
++		#size-cells = <1>;
++
++		partition@0 {
++			label = "boot";
++			reg = <0x0000000 0x0080000>;
++			read-only;
++		};
++
++		partition@80000 {
++			label = "nvram";
++			reg = <0x0080000 0x0100000>;
++		};
++
++		partition@180000{
++			label = "phicomm";
++			reg = <0x0180000 0x0280000>;
++			read-only;
++		};
++
++		partition@400000 {
++			label = "firmware";
++			reg = <0x0400000 0x7C00000>;
++			compatible = "brcm,trx";
++		};
++    };
++};