--- zzzz-none-000/linux-4.4.60/arch/mips/ath79/mach-ap121.c	2017-04-08 07:53:53.000000000 +0000
+++ scorpion-1750e-727/linux-4.4.60/arch/mips/ath79/mach-ap121.c	2021-02-04 17:41:59.000000000 +0000
@@ -1,19 +1,21 @@
 /*
  *  Atheros AP121 board support
  *
- *  Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org>
+ *  Copyright (C) 2011-2012 Gabor Juhos <juhosg@openwrt.org>
  *
  *  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 "machtypes.h"
+#include "dev-eth.h"
 #include "dev-gpio-buttons.h"
 #include "dev-leds-gpio.h"
+#include "dev-m25p80.h"
 #include "dev-spi.h"
 #include "dev-usb.h"
 #include "dev-wmac.h"
+#include "machtypes.h"
 
 #define AP121_GPIO_LED_WLAN		0
 #define AP121_GPIO_LED_USB		1
@@ -24,7 +26,14 @@
 #define AP121_KEYS_POLL_INTERVAL	20	/* msecs */
 #define AP121_KEYS_DEBOUNCE_INTERVAL	(3 * AP121_KEYS_POLL_INTERVAL)
 
-#define AP121_CAL_DATA_ADDR	0x1fff1000
+#define AP121_MAC0_OFFSET		0x0000
+#define AP121_MAC1_OFFSET		0x0006
+#define AP121_CALDATA_OFFSET		0x1000
+#define AP121_WMAC_MAC_OFFSET		0x1002
+
+#define AP121_MINI_GPIO_LED_WLAN	0
+#define AP121_MINI_GPIO_BTN_JUMPSTART	12
+#define AP121_MINI_GPIO_BTN_RESET	11
 
 static struct gpio_led ap121_leds_gpio[] __initdata = {
 	{
@@ -58,35 +67,78 @@
 	}
 };
 
-static struct spi_board_info ap121_spi_info[] = {
+static struct gpio_led ap121_mini_leds_gpio[] __initdata = {
 	{
-		.bus_num	= 0,
-		.chip_select	= 0,
-		.max_speed_hz	= 25000000,
-		.modalias	= "mx25l1606e",
-	}
+		.name		= "ap121:green:wlan",
+		.gpio		= AP121_MINI_GPIO_LED_WLAN,
+		.active_low	= 0,
+	},
 };
 
-static struct ath79_spi_platform_data ap121_spi_data = {
-	.bus_num	= 0,
-	.num_chipselect = 1,
+static struct gpio_keys_button ap121_mini_gpio_keys[] __initdata = {
+	{
+		.desc		= "jumpstart button",
+		.type		= EV_KEY,
+		.code		= KEY_WPS_BUTTON,
+		.debounce_interval = AP121_KEYS_DEBOUNCE_INTERVAL,
+		.gpio		= AP121_MINI_GPIO_BTN_JUMPSTART,
+		.active_low	= 1,
+	},
+	{
+		.desc		= "reset button",
+		.type		= EV_KEY,
+		.code		= KEY_RESTART,
+		.debounce_interval = AP121_KEYS_DEBOUNCE_INTERVAL,
+		.gpio		= AP121_MINI_GPIO_BTN_RESET,
+		.active_low	= 1,
+	}
 };
 
+static void __init ap121_common_setup(void)
+{
+	u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
+
+	ath79_register_m25p80(NULL);
+	ath79_register_wmac(art + AP121_CALDATA_OFFSET,
+			    art + AP121_WMAC_MAC_OFFSET);
+
+	ath79_init_mac(ath79_eth0_data.mac_addr, art + AP121_MAC0_OFFSET, 0);
+	ath79_init_mac(ath79_eth1_data.mac_addr, art + AP121_MAC1_OFFSET, 0);
+
+	ath79_register_mdio(0, 0x0);
+
+	/* LAN ports */
+	ath79_register_eth(1);
+
+	/* WAN port */
+	ath79_register_eth(0);
+}
+
 static void __init ap121_setup(void)
 {
-	u8 *cal_data = (u8 *) KSEG1ADDR(AP121_CAL_DATA_ADDR);
+	ap121_common_setup();
 
 	ath79_register_leds_gpio(-1, ARRAY_SIZE(ap121_leds_gpio),
 				 ap121_leds_gpio);
 	ath79_register_gpio_keys_polled(-1, AP121_KEYS_POLL_INTERVAL,
 					ARRAY_SIZE(ap121_gpio_keys),
 					ap121_gpio_keys);
-
-	ath79_register_spi(&ap121_spi_data, ap121_spi_info,
-			   ARRAY_SIZE(ap121_spi_info));
 	ath79_register_usb();
-	ath79_register_wmac(cal_data);
 }
 
 MIPS_MACHINE(ATH79_MACH_AP121, "AP121", "Atheros AP121 reference board",
 	     ap121_setup);
+
+static void __init ap121_mini_setup(void)
+{
+	ap121_common_setup();
+
+	ath79_register_leds_gpio(-1, ARRAY_SIZE(ap121_mini_leds_gpio),
+				 ap121_mini_leds_gpio);
+	ath79_register_gpio_keys_polled(-1, AP121_KEYS_POLL_INTERVAL,
+					ARRAY_SIZE(ap121_mini_gpio_keys),
+					ap121_mini_gpio_keys);
+}
+
+MIPS_MACHINE(ATH79_MACH_AP121_MINI, "AP121-MINI", "Atheros AP121-MINI",
+	     ap121_mini_setup);