ar71xx: add support for GL.iNet GL-AR750S

This patch adds supports for GL-AR750S.

Specification:
- SOC: QCA9563 (775MHz)
- Flash: 16 MiB (W25Q128FVSG)
- RAM: 128 MiB DDR2
- Ethernet: 2x 1Gbps LAN + 1x 1Gbps WAN
- Wireless: 2.4GHz (bgn) and 5GHz (ac)
- USB: 1x USB 2.0 port
- Button: 1x switch button, 1x reset button
- LED: 3x LEDS (green)

Flash instruction:
Apply factory image via web-gui.

Signed-off-by: Luo chongjun <luochongjun@gl-inet.com>

4 files changed, 206 insertions, 0 deletions

diff --git a/target/linux/ar71xx/files/arch/mips/ath79/Kconfig.openwrt b/target/linux/ar71xx/files/arch/mips/ath79/Kconfig.openwrt
index 74da7418e2..7400f2c86d 100644
--- a/target/linux/ar71xx/files/arch/mips/ath79/Kconfig.openwrt
+++ b/target/linux/ar71xx/files/arch/mips/ath79/Kconfig.openwrt
@@ -814,6 +814,17 @@ config ATH79_MACH_GL_AR750
 	select ATH79_DEV_USB
 	select ATH79_DEV_WMAC
 
+config ATH79_MACH_GL_AR750S
+	bool "GL.iNet GL-AR750S support"
+	select SOC_QCA956X
+	select ATH79_DEV_AP9X_PCI if PCI
+	select ATH79_DEV_ETH
+	select ATH79_DEV_GPIO_BUTTONS
+	select ATH79_DEV_LEDS_GPIO
+	select ATH79_DEV_M25P80
+	select ATH79_DEV_USB
+	select ATH79_DEV_WMAC
+
 config ATH79_MACH_GL_DOMINO
 	bool "DOMINO support"
 	select SOC_AR933X
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/Makefile b/target/linux/ar71xx/files/arch/mips/ath79/Makefile
index 898853e5c0..b6c77b2029 100644
--- a/target/linux/ar71xx/files/arch/mips/ath79/Makefile
+++ b/target/linux/ar71xx/files/arch/mips/ath79/Makefile
@@ -130,6 +130,7 @@ obj-$(CONFIG_ATH79_MACH_GL_AR150)		+= mach-gl-ar150.o
 obj-$(CONFIG_ATH79_MACH_GL_AR300)		+= mach-gl-ar300.o
 obj-$(CONFIG_ATH79_MACH_GL_AR300M)		+= mach-gl-ar300m.o
 obj-$(CONFIG_ATH79_MACH_GL_AR750)		+= mach-gl-ar750.o
+obj-$(CONFIG_ATH79_MACH_GL_AR750S)		+= mach-gl-ar750s.o
 obj-$(CONFIG_ATH79_MACH_GL_DOMINO)		+= mach-gl-domino.o
 obj-$(CONFIG_ATH79_MACH_GL_INET)		+= mach-gl-inet.o
 obj-$(CONFIG_ATH79_MACH_GL_MIFI)		+= mach-gl-mifi.o
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-gl-ar750s.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-gl-ar750s.c
new file mode 100755
index 0000000000..b556f9b0be
--- /dev/null
+++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-gl-ar750s.c
@@ -0,0 +1,193 @@
+/*
+ *  GL.iNet GL-AR750S board support
+ *
+ *  Copyright (C) 2018 luochongjun <luochongjun@gl-inet.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify it
+ *  under the terms of the GNU General Public License version 2 as published
+ *  by the Free Software Foundation.
+ */
+
+#include <linux/init.h>
+#include <linux/pci.h>
+#include <linux/platform_device.h>
+#include <linux/ath9k_platform.h>
+#include <linux/etherdevice.h>
+
+#include <linux/i2c.h>
+#include <linux/i2c-gpio.h>
+
+#include <asm/mach-ath79/ath79.h>
+#include <asm/mach-ath79/irq.h>
+#include <asm/mach-ath79/ar71xx_regs.h>
+
+#include <linux/platform_data/phy-at803x.h>
+#include <linux/ar8216_platform.h>
+
+#include "common.h"
+#include "dev-ap9x-pci.h"
+#include "dev-eth.h"
+#include "dev-gpio-buttons.h"
+#include "dev-leds-gpio.h"
+#include "dev-spi.h"
+#include "dev-m25p80.h"
+#include "dev-wmac.h"
+#include "dev-usb.h"
+#include "machtypes.h"
+
+
+#define GL_AR750S_KEYS_POLL_INTERVAL	20
+#define GL_AR750S_KEYS_DEBOUNCE_INTERVAL	(3 * GL_AR750S_KEYS_POLL_INTERVAL)
+
+
+#define GL_AR750S_GPIO_LED_WLAN2G       19
+#define GL_AR750S_GPIO_LED_WLAN5G       20
+#define GL_AR750S_GPIO_LED_POWER	1
+#define GL_AR750S_GPIO_USB_POWER	7
+
+#define GL_AR750S_GPIO_BTN_RESET	2
+#define GL_AR750S_GPIO_BTN_RIGHT	8
+
+#define GL_AR750S_MAC0_OFFSET             0x0000
+#define GL_AR750S_WMAC_CALDATA_OFFSET     0x1000
+#define GL_AR750S_PCI_CALDATA_OFFSET      0x5000
+
+#define GL_AR750S_GPIO_I2C_SDA	5
+#define GL_AR750S_GPIO_I2C_SCL	21
+
+
+
+static struct spi_board_info gl_ar750s_spi_info[] = {
+    {
+        .bus_num    = 0,
+        .chip_select    = 0,
+        .max_speed_hz   = 25000000,
+        .modalias   = "m25p80",
+        .platform_data  = NULL,
+    },
+};
+
+static struct ath79_spi_platform_data gl_ar750s_spi_data = {
+    .bus_num        = 0,
+    .num_chipselect     = 2,
+};
+
+static struct gpio_led gl_ar750s_leds_gpio[] __initdata = {
+	{
+		 .name           = "gl-ar750s:green:power",
+		 .gpio           = GL_AR750S_GPIO_LED_POWER,
+		.default_state  = LEDS_GPIO_DEFSTATE_KEEP,
+		.active_low     = 1,
+   	 },{
+		 .name           = "gl-ar750s:green:usbpower",
+		 .gpio           = GL_AR750S_GPIO_USB_POWER,
+		.active_low     = 1,
+   	 },{
+		.name		= "gl-ar750s:green:wlan2g",
+		.gpio		= GL_AR750S_GPIO_LED_WLAN2G,
+		.active_low	= 1,
+	},{
+		.name		= "gl-ar750s:green:wlan5g",
+		.gpio		= GL_AR750S_GPIO_LED_WLAN5G,
+		.active_low	= 0,
+	}
+};
+
+static struct gpio_keys_button gl_ar750s_gpio_keys[] __initdata = {
+    {
+        .desc                   = "reset",
+        .type                   = EV_KEY,
+        .code                   = KEY_RESTART,
+        .debounce_interval      = GL_AR750S_KEYS_DEBOUNCE_INTERVAL,
+        .gpio                   = GL_AR750S_GPIO_BTN_RESET,
+        .active_low             = 1,
+       }, {
+        .desc                   = "right",
+        .type                   = EV_KEY,
+        .code                   = BTN_0,
+        .debounce_interval      = GL_AR750S_KEYS_DEBOUNCE_INTERVAL,
+        .gpio                   = GL_AR750S_GPIO_BTN_RIGHT,
+        .active_low             = 1,
+       },
+};
+
+static struct i2c_gpio_platform_data gl_ar750s_i2c_gpio_data = {
+        .sda_pin        = GL_AR750S_GPIO_I2C_SDA,
+        .scl_pin        = GL_AR750S_GPIO_I2C_SCL,
+};
+
+static struct platform_device gl_ar750s_i2c_gpio_device = {
+        .name           = "i2c-gpio",
+        .id             = 0,
+        .dev = {
+                .platform_data  = &gl_ar750s_i2c_gpio_data,
+	}
+
+};
+
+static struct ar8327_pad_cfg gl_ar750s_ar8327_pad0_cfg = {
+	.mode = AR8327_PAD_MAC_SGMII,
+	.sgmii_delay_en = true,
+};
+
+static struct ar8327_platform_data gl_ar750s_ar8327_data = {
+	.pad0_cfg = &gl_ar750s_ar8327_pad0_cfg,
+	.port0_cfg = {
+		.force_link = 1,
+		.speed = AR8327_PORT_SPEED_1000,
+		.duplex = 1,
+		.txpause = 1,
+		.rxpause = 1,
+	},
+};
+
+
+static struct mdio_board_info gl_ar750s_mdio0_info[] = {
+	{
+		.bus_id = "ag71xx-mdio.0",
+		.phy_addr = 0,
+		.platform_data = &gl_ar750s_ar8327_data,
+	},
+};
+
+static void __init  gl_ar750s_setup(void)
+{
+	u8 *eeprom = (u8 *) KSEG1ADDR(0x1f050000);
+
+	ath79_register_spi(&gl_ar750s_spi_data, gl_ar750s_spi_info, 1);
+
+	ath79_init_mac(ath79_eth0_data.mac_addr,
+	               eeprom + GL_AR750S_MAC0_OFFSET, 0);
+
+	ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_SGMII;
+	ath79_eth0_data.mii_bus_dev = &ath79_mdio0_device.dev;
+	ath79_eth0_data.phy_mask = BIT(0);
+
+	mdiobus_register_board_info(gl_ar750s_mdio0_info,
+	                            ARRAY_SIZE(gl_ar750s_mdio0_info));
+
+	ath79_register_mdio(0, 0x00);
+	ath79_register_eth(0);
+
+
+	ath79_register_usb();
+
+
+	ath79_register_wmac(eeprom + GL_AR750S_WMAC_CALDATA_OFFSET, NULL);
+
+
+	ap91_pci_init(eeprom + GL_AR750S_PCI_CALDATA_OFFSET, NULL);
+
+	platform_device_register(&gl_ar750s_i2c_gpio_device);
+
+	ath79_register_leds_gpio(-1, ARRAY_SIZE(gl_ar750s_leds_gpio),
+	                         gl_ar750s_leds_gpio);
+
+	ath79_register_gpio_keys_polled(-1, GL_AR750S_KEYS_POLL_INTERVAL,
+	                                ARRAY_SIZE(gl_ar750s_gpio_keys),
+	                                gl_ar750s_gpio_keys);
+}
+
+
+MIPS_MACHINE(ATH79_MACH_GL_AR750S, "GL-AR750S", "GL-AR750S",
+         gl_ar750s_setup);
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/machtypes.h b/target/linux/ar71xx/files/arch/mips/ath79/machtypes.h
index 0d0d309ce8..1457d8b347 100644
--- a/target/linux/ar71xx/files/arch/mips/ath79/machtypes.h
+++ b/target/linux/ar71xx/files/arch/mips/ath79/machtypes.h
@@ -125,6 +125,7 @@ enum ath79_mach_type {
 	ATH79_MACH_GL_AR300,			/* GL-AR300 */
 	ATH79_MACH_GL_AR300M,			/* GL-AR300M */
 	ATH79_MACH_GL_AR750,			/* GL.iNet GL-AR750 */
+	ATH79_MACH_GL_AR750S,			/* GL.iNet GL-AR750S */
 	ATH79_MACH_GL_DOMINO,			/* Domino */
 	ATH79_MACH_GL_INET,			/* GL-CONNECT GL-INET */
 	ATH79_MACH_GL_MIFI,			/* GL-MIFI support */