atheros: v3.18: rearrange code between patches

Cleanup board patch by moving code to specific patches, and factor out leds to separate patch. No functional changes. Signed-off-by: Sergey Ryazanov <ryazanov.s.a@gmail.com> SVN-Revision: 44729
2015-03-13 03:01:42 +00:00 · 2015-03-13 03:01:42 +00:00 · 1b5b20e51e
commit 1b5b20e51e
parent 6d29a8bc64
9 changed files with 587 additions and 344 deletions
--- a/target/linux/atheros/patches-3.18/100-board.patch
+++ b/target/linux/atheros/patches-3.18/100-board.patch
@ -1,6 +1,6 @@
 --- a/arch/mips/Kconfig
 +++ b/arch/mips/Kconfig
-@@ -96,6 +96,20 @@ config AR7
+@@ -96,6 +96,19 @@ config AR7
 	  Support for the Texas Instruments AR7 System-on-a-Chip
 	  family: TNETD7100, 7200 and 7300.
 
@ -14,14 +14,13 @@
 +	select SYS_HAS_CPU_MIPS32_R1
 +	select SYS_SUPPORTS_BIG_ENDIAN
 +	select SYS_SUPPORTS_32BIT_KERNEL
-+	select ARCH_REQUIRE_GPIOLIB
 +	help
 +	  Support for AR231x and AR531x based boards
 +
 config ATH79
 	bool "Atheros AR71XX/AR724X/AR913X based boards"
 	select ARCH_REQUIRE_GPIOLIB
-@@ -834,6 +848,7 @@ config MIPS_PARAVIRT
+@@ -834,6 +847,7 @@ config MIPS_PARAVIRT
 
 endchoice
 
@ -354,7 +353,7 @@
 +}
 --- /dev/null
 +++ b/arch/mips/include/asm/mach-ath25/ath25_platform.h
-@@ -0,0 +1,84 @@
+@@ -0,0 +1,73 @@
 +#ifndef __ASM_MACH_ATH25_PLATFORM_H
 +#define __ASM_MACH_ATH25_PLATFORM_H
 +
@ -427,17 +426,6 @@
 +	const char *radio;
 +};
 +
-+/*
-+ * Platform device information for the Ethernet MAC
-+ */
-+struct ar231x_eth {
-+	void (*reset_set)(u32);
-+	void (*reset_clear)(u32);
-+	u32 reset_mac;
-+	u32 reset_phy;
-+	char *macaddr;
-+};
-+
 +#endif /* __ASM_MACH_ATH25_PLATFORM_H */
 --- /dev/null
 +++ b/arch/mips/include/asm/mach-ath25/cpu-feature-overrides.h
@ -640,7 +628,7 @@
 +#endif /* __ASM_MACH_ATH25_WAR_H */
 --- /dev/null
 +++ b/arch/mips/ath25/ar2315_regs.h
-@@ -0,0 +1,479 @@
+@@ -0,0 +1,471 @@
 +/*
 + * Register definitions for AR2315+
 + *
@ -700,9 +688,6 @@
 +#define AR2315_PCI_EXT_BASE	0x80000000	/* PCI external */
 +#define AR2315_PCI_EXT_SIZE	0x40000000
 +
-+/* MII registers offset inside Ethernet MMR region */
-+#define AR2315_ENET0_MII_BASE	(AR2315_ENET0_BASE + 0x14)
-+
 +/*
 + * Cold reset register
 + */
@ -968,11 +953,6 @@
 +#define AR2315_AMBACLK_CLK_DIV_M	0x0000000c
 +#define AR2315_AMBACLK_CLK_DIV_S	2
 +
-+/* GPIO MMR base address */
-+#define AR2315_GPIO			0x0088
-+
-+#define AR2315_RESET_GPIO       5
-+
 +/*
 + *  PCI Clock Control
 + */
@ -1122,7 +1102,7 @@
 +#endif /* __ASM_MACH_ATH25_AR2315_REGS_H */
 --- /dev/null
 +++ b/arch/mips/ath25/ar5312_regs.h
-@@ -0,0 +1,229 @@
+@@ -0,0 +1,225 @@
 +/*
 + * This file is subject to the terms and conditions of the GNU General Public
 + * License.  See the file "COPYING" in the main directory of this archive
@ -1191,10 +1171,6 @@
 +#define AR5312_AR5312_REV7      0x0057          /* AR5312 WMAC (AP30-040) */
 +#define AR5312_AR2313_REV8      0x0058          /* AR2313 WMAC (AP43-030) */
 +
-+/* MII registers offset inside Ethernet MMR region */
-+#define AR5312_ENET0_MII_BASE	(AR5312_ENET0_BASE + 0x14)
-+#define AR5312_ENET1_MII_BASE	(AR5312_ENET1_BASE + 0x14)
-+
 +/* Reset/Timer Block Address Map */
 +#define AR5312_TIMER		0x0000 /* countdown timer */
 +#define AR5312_RELOAD		0x0004 /* timer reload value */
@ -1354,7 +1330,7 @@
 +#endif	/* __ASM_MACH_ATH25_AR5312_REGS_H */
 --- /dev/null
 +++ b/arch/mips/ath25/ar5312.c
-@@ -0,0 +1,492 @@
+@@ -0,0 +1,401 @@
 +/*
 + * This file is subject to the terms and conditions of the GNU General Public
 + * License.  See the file "COPYING" in the main directory of this archive
@ -1382,8 +1358,6 @@
 +#include <linux/bitops.h>
 +#include <linux/irqdomain.h>
 +#include <linux/reboot.h>
-+#include <linux/leds.h>
-+#include <linux/gpio.h>
 +#include <asm/bootinfo.h>
 +#include <asm/reboot.h>
 +#include <asm/time.h>
@ -1495,10 +1469,6 @@
 +
 +	if (pending & CAUSEF_IP2)
 +		do_IRQ(AR5312_IRQ_WLAN0);
-+	else if (pending & CAUSEF_IP3)
-+		do_IRQ(AR5312_IRQ_ENET0);
-+	else if (pending & CAUSEF_IP4)
-+		do_IRQ(AR5312_IRQ_ENET1);
 +	else if (pending & CAUSEF_IP5)
 +		do_IRQ(AR5312_IRQ_WLAN1);
 +	else if (pending & CAUSEF_IP6)
@ -1530,22 +1500,6 @@
 +	ar5312_misc_irq_domain = domain;
 +}
 +
-+static void ar5312_device_reset_set(u32 mask)
-+{
-+	u32 val;
-+
-+	val = ar5312_rst_reg_read(AR5312_RESET);
-+	ar5312_rst_reg_write(AR5312_RESET, val | mask);
-+}
-+
-+static void ar5312_device_reset_clear(u32 mask)
-+{
-+	u32 val;
-+
-+	val = ar5312_rst_reg_read(AR5312_RESET);
-+	ar5312_rst_reg_write(AR5312_RESET, val & ~mask);
-+}
-+
 +static struct physmap_flash_data ar5312_flash_data = {
 +	.width = 2,
 +};
@ -1556,20 +1510,6 @@
 +	.flags = IORESOURCE_MEM,
 +};
 +
-+static struct ar231x_eth ar5312_eth0_data = {
-+	.reset_set = ar5312_device_reset_set,
-+	.reset_clear = ar5312_device_reset_clear,
-+	.reset_mac = AR5312_RESET_ENET0,
-+	.reset_phy = AR5312_RESET_EPHY0,
-+};
-+
-+static struct ar231x_eth ar5312_eth1_data = {
-+	.reset_set = ar5312_device_reset_set,
-+	.reset_clear = ar5312_device_reset_clear,
-+	.reset_mac = AR5312_RESET_ENET1,
-+	.reset_phy = AR5312_RESET_EPHY1,
-+};
-+
 +static struct platform_device ar5312_physmap_flash = {
 +	.name = "physmap-flash",
 +	.id = 0,
@ -1578,23 +1518,6 @@
 +	.num_resources = 1,
 +};
 +
-+#ifdef CONFIG_LEDS_GPIO
-+static struct gpio_led ar5312_leds[] = {
-+	{ .name = "wlan", .gpio = 0, .active_low = 1, },
-+};
-+
-+static const struct gpio_led_platform_data ar5312_led_data = {
-+	.num_leds = ARRAY_SIZE(ar5312_leds),
-+	.leds = (void *)ar5312_leds,
-+};
-+
-+static struct platform_device ar5312_gpio_leds = {
-+	.name = "leds-gpio",
-+	.id = -1,
-+	.dev.platform_data = (void *)&ar5312_led_data,
-+};
-+#endif
-+
 +static void __init ar5312_flash_init(void)
 +{
 +	void __iomem *flashctl_base;
@ -1641,7 +1564,6 @@
 +void __init ar5312_init_devices(void)
 +{
 +	struct ath25_boarddata *config;
-+	u8 *c;
 +
 +	ar5312_flash_init();
 +
@ -1663,35 +1585,8 @@
 +
 +	platform_device_register(&ar5312_physmap_flash);
 +
-+#ifdef CONFIG_LEDS_GPIO
-+	ar5312_leds[0].gpio = config->sys_led_gpio;
-+	platform_device_register(&ar5312_gpio_leds);
-+#endif
-+
-+	/* Fix up MAC addresses if necessary */
-+	if (is_broadcast_ether_addr(config->enet0_mac))
-+		ether_addr_copy(config->enet0_mac, config->enet1_mac);
-+
-+	/* If ENET0 and ENET1 have the same mac address,
-+	 * increment the one from ENET1 */
-+	if (ether_addr_equal(config->enet0_mac, config->enet1_mac)) {
-+		c = config->enet1_mac + 5;
-+		while ((c >= config->enet1_mac) && !(++(*c)))
-+			c--;
-+	}
-+
 +	switch (ath25_soc) {
 +	case ATH25_SOC_AR5312:
-+		ar5312_eth0_data.macaddr = config->enet0_mac;
-+		ath25_add_ethernet(0, AR5312_ENET0_BASE, "eth0_mii",
-+				   AR5312_ENET0_MII_BASE, AR5312_IRQ_ENET0,
-+				   &ar5312_eth0_data);
-+
-+		ar5312_eth1_data.macaddr = config->enet1_mac;
-+		ath25_add_ethernet(1, AR5312_ENET1_BASE, "eth1_mii",
-+				   AR5312_ENET1_MII_BASE, AR5312_IRQ_ENET1,
-+				   &ar5312_eth1_data);
-+
 +		if (!ath25_board.radio)
 +			return;
 +
@ -1700,18 +1595,8 @@
 +
 +		ath25_add_wmac(0, AR5312_WLAN0_BASE, AR5312_IRQ_WLAN0);
 +		break;
-+	/*
-+	 * AR2312/3 ethernet uses the PHY of ENET0, but the MAC
-+	 * of ENET1. Atheros calls it 'twisted' for a reason :)
-+	 */
 +	case ATH25_SOC_AR2312:
 +	case ATH25_SOC_AR2313:
-+		ar5312_eth1_data.reset_phy = ar5312_eth0_data.reset_phy;
-+		ar5312_eth1_data.macaddr = config->enet0_mac;
-+		ath25_add_ethernet(1, AR5312_ENET1_BASE, "eth0_mii",
-+				   AR5312_ENET0_MII_BASE, AR5312_IRQ_ENET1,
-+				   &ar5312_eth1_data);
-+
 +		if (!ath25_board.radio)
 +			return;
 +		break;
@ -1849,7 +1734,7 @@
 +}
 --- /dev/null
 +++ b/arch/mips/ath25/ar2315.c
-@@ -0,0 +1,438 @@
+@@ -0,0 +1,312 @@
 +/*
 + * This file is subject to the terms and conditions of the GNU General Public
 + * License.  See the file "COPYING" in the main directory of this archive
@ -1876,9 +1761,6 @@
 +#include <linux/bitops.h>
 +#include <linux/irqdomain.h>
 +#include <linux/reboot.h>
-+#include <linux/delay.h>
-+#include <linux/leds.h>
-+#include <linux/gpio.h>
 +#include <asm/bootinfo.h>
 +#include <asm/reboot.h>
 +#include <asm/time.h>
@ -1994,8 +1876,6 @@
 +
 +	if (pending & CAUSEF_IP3)
 +		do_IRQ(AR2315_IRQ_WLAN0);
-+	else if (pending & CAUSEF_IP4)
-+		do_IRQ(AR2315_IRQ_ENET0);
 +	else if (pending & CAUSEF_IP2)
 +		do_IRQ(AR2315_IRQ_MISC);
 +	else if (pending & CAUSEF_IP7)
@ -2025,131 +1905,10 @@
 +	ar2315_misc_irq_domain = domain;
 +}
 +
-+static void ar2315_device_reset_set(u32 mask)
-+{
-+	u32 val;
-+
-+	val = ar2315_rst_reg_read(AR2315_RESET);
-+	ar2315_rst_reg_write(AR2315_RESET, val | mask);
-+}
-+
-+static void ar2315_device_reset_clear(u32 mask)
-+{
-+	u32 val;
-+
-+	val = ar2315_rst_reg_read(AR2315_RESET);
-+	ar2315_rst_reg_write(AR2315_RESET, val & ~mask);
-+}
-+
-+static struct ar231x_eth ar2315_eth_data = {
-+	.reset_set = ar2315_device_reset_set,
-+	.reset_clear = ar2315_device_reset_clear,
-+	.reset_mac = AR2315_RESET_ENET0,
-+	.reset_phy = AR2315_RESET_EPHY0,
-+};
-+
-+static struct resource ar2315_spiflash_res[] = {
-+	{
-+		.name = "spiflash_read",
-+		.flags = IORESOURCE_MEM,
-+		.start = AR2315_SPI_READ_BASE,
-+		.end = AR2315_SPI_READ_BASE + AR2315_SPI_READ_SIZE - 1,
-+	},
-+	{
-+		.name = "spiflash_mmr",
-+		.flags = IORESOURCE_MEM,
-+		.start = AR2315_SPI_MMR_BASE,
-+		.end = AR2315_SPI_MMR_BASE + AR2315_SPI_MMR_SIZE - 1,
-+	},
-+};
-+
-+static struct platform_device ar2315_spiflash = {
-+	.id = 0,
-+	.name = "ar2315-spiflash",
-+	.resource = ar2315_spiflash_res,
-+	.num_resources = ARRAY_SIZE(ar2315_spiflash_res)
-+};
-+
-+static struct resource ar2315_wdt_res[] = {
-+	{
-+		.flags = IORESOURCE_MEM,
-+		.start = AR2315_RST_BASE + AR2315_WDT_TIMER,
-+		.end = AR2315_RST_BASE + AR2315_WDT_TIMER + 8 - 1,
-+	},
-+	{
-+		.flags = IORESOURCE_IRQ,
-+	}
-+};
-+
-+static struct platform_device ar2315_wdt = {
-+	.id = 0,
-+	.name = "ar2315-wdt",
-+	.resource = ar2315_wdt_res,
-+	.num_resources = ARRAY_SIZE(ar2315_wdt_res)
-+};
-+
-+#ifdef CONFIG_LEDS_GPIO
-+static struct gpio_led ar2315_leds[6];
-+static struct gpio_led_platform_data ar2315_led_data = {
-+	.leds = (void *)ar2315_leds,
-+};
-+
-+static struct platform_device ar2315_gpio_leds = {
-+	.name = "leds-gpio",
-+	.id = -1,
-+	.dev = {
-+		.platform_data = (void *)&ar2315_led_data,
-+	}
-+};
-+
-+static void __init ar2315_init_gpio_leds(void)
-+{
-+	static char led_names[6][6];
-+	int i, led = 0;
-+
-+	ar2315_led_data.num_leds = 0;
-+	for (i = 1; i < 8; i++) {
-+		if ((i == AR2315_RESET_GPIO) ||
-+		    (i == ath25_board.config->reset_config_gpio))
-+			continue;
-+
-+		if (i == ath25_board.config->sys_led_gpio)
-+			strcpy(led_names[led], "wlan");
-+		else
-+			sprintf(led_names[led], "gpio%d", i);
-+
-+		ar2315_leds[led].name = led_names[led];
-+		ar2315_leds[led].gpio = i;
-+		ar2315_leds[led].active_low = 0;
-+		led++;
-+	}
-+	ar2315_led_data.num_leds = led;
-+	platform_device_register(&ar2315_gpio_leds);
-+}
-+#else
-+static inline void ar2315_init_gpio_leds(void)
-+{
-+}
-+#endif
-+
 +void __init ar2315_init_devices(void)
 +{
 +	/* Find board configuration */
 +	ath25_find_config(AR2315_SPI_READ_BASE, AR2315_SPI_READ_SIZE);
-+	ar2315_eth_data.macaddr = ath25_board.config->enet0_mac;
-+
-+	ar2315_init_gpio_leds();
-+
-+	ar2315_wdt_res[1].start = irq_create_mapping(ar2315_misc_irq_domain,
-+						     AR2315_MISC_IRQ_WATCHDOG);
-+	ar2315_wdt_res[1].end = ar2315_wdt_res[1].start;
-+	platform_device_register(&ar2315_wdt);
-+
-+	platform_device_register(&ar2315_spiflash);
-+
-+	ath25_add_ethernet(0, AR2315_ENET0_BASE, "eth0_mii",
-+			   AR2315_ENET0_MII_BASE, AR2315_IRQ_ENET0,
-+			   &ar2315_eth_data);
 +
 +	ath25_add_wmac(0, AR2315_WLAN0_BASE, AR2315_IRQ_WLAN0);
 +}
@ -2166,8 +1925,8 @@
 +	/* Cold reset does not work on the AR2315/6, use the GPIO reset bits
 +	 * a workaround. Give it some time to attempt a gpio based hardware
 +	 * reset (atheros reference design workaround) */
-+	gpio_request_one(AR2315_RESET_GPIO, GPIOF_OUT_INIT_LOW, "Reset");
-+	mdelay(100);
+
+	/* TODO: implement the GPIO reset workaround */
 +
 +	/* Some boards (e.g. Senao EOC-2610) don't implement the reset logic
 +	 * workaround. Attempt to jump to the mips reset location -
@ -2368,12 +2127,10 @@
 +#endif
 --- /dev/null
 +++ b/arch/mips/ath25/devices.h
-@@ -0,0 +1,45 @@
+@@ -0,0 +1,41 @@
 +#ifndef __ATH25_DEVICES_H
 +#define __ATH25_DEVICES_H
 +
-+#define AR231X_GPIO_IRQ_BASE		0x30
-+
 +#define ATH25_REG_MS(_val, _field)	(((_val) & _field##_M) >> _field##_S)
 +
 +#define ATH25_IRQ_CPU_CLOCK	(MIPS_CPU_IRQ_BASE + 7) /* C0_CAUSE: 0x8000 */
@ -2398,8 +2155,6 @@
 +extern void (*ath25_irq_dispatch)(void);
 +
 +int ath25_find_config(phys_addr_t offset, unsigned long size);
-+int ath25_add_ethernet(int nr, u32 base, const char *mii_name, u32 mii_base,
-+		       int irq, void *pdata);
 +void ath25_serial_setup(u32 mapbase, int irq, unsigned int uartclk);
 +int ath25_add_wmac(int nr, u32 base, int irq);
 +
@ -2416,7 +2171,7 @@
 +#endif
 --- /dev/null
 +++ b/arch/mips/ath25/devices.c
-@@ -0,0 +1,191 @@
+@@ -0,0 +1,127 @@
 +#include <linux/kernel.h>
 +#include <linux/init.h>
 +#include <linux/serial.h>
@ -2433,51 +2188,6 @@
 +struct ar231x_board_config ath25_board;
 +enum ath25_soc_type ath25_soc = ATH25_SOC_UNKNOWN;
 +
-+static struct resource ath25_eth0_res[] = {
-+	{
-+		.name = "eth0_membase",
-+		.flags = IORESOURCE_MEM,
-+	},
-+	{
-+		.name = "eth0_mii",
-+		.flags = IORESOURCE_MEM,
-+	},
-+	{
-+		.name = "eth0_irq",
-+		.flags = IORESOURCE_IRQ,
-+	}
-+};
-+
-+static struct resource ath25_eth1_res[] = {
-+	{
-+		.name = "eth1_membase",
-+		.flags = IORESOURCE_MEM,
-+	},
-+	{
-+		.name = "eth1_mii",
-+		.flags = IORESOURCE_MEM,
-+	},
-+	{
-+		.name = "eth1_irq",
-+		.flags = IORESOURCE_IRQ,
-+	}
-+};
-+
-+static struct platform_device ath25_eth[] = {
-+	{
-+		.id = 0,
-+		.name = "ar231x-eth",
-+		.resource = ath25_eth0_res,
-+		.num_resources = ARRAY_SIZE(ath25_eth0_res)
-+	},
-+	{
-+		.id = 1,
-+		.name = "ar231x-eth",
-+		.resource = ath25_eth1_res,
-+		.num_resources = ARRAY_SIZE(ath25_eth1_res)
-+	}
-+};
-+
 +static struct resource ath25_wmac0_res[] = {
 +	{
 +		.name = "wmac0_membase",
@ -2536,25 +2246,6 @@
 +	return soc_type_strings[ath25_soc];
 +}
 +
-+int __init ath25_add_ethernet(int nr, u32 base, const char *mii_name,
-+			      u32 mii_base, int irq, void *pdata)
-+{
-+	struct resource *res;
-+
-+	ath25_eth[nr].dev.platform_data = pdata;
-+	res = &ath25_eth[nr].resource[0];
-+	res->start = base;
-+	res->end = base + 0x2000 - 1;
-+	res++;
-+	res->name = mii_name;
-+	res->start = mii_base;
-+	res->end = mii_base + 8 - 1;
-+	res++;
-+	res->start = irq;
-+	res->end = irq;
-+	return platform_device_register(&ath25_eth[nr]);
-+}
-+
 +void __init ath25_serial_setup(u32 mapbase, int irq, unsigned int uartclk)
 +{
 +	struct uart_port s;
--- a/target/linux/atheros/patches-3.18/101-early-printk-support.patch
+++ b/target/linux/atheros/patches-3.18/101-early-printk-support.patch
@ -60,10 +60,10 @@
 obj-$(CONFIG_SOC_AR2315) += ar2315.o
 --- a/arch/mips/Kconfig
 +++ b/arch/mips/Kconfig
-@@ -107,6 +107,7 @@ config ATH25
+@@ -106,6 +106,7 @@ config ATH25
+ 	select SYS_HAS_CPU_MIPS32_R1
 	select SYS_SUPPORTS_BIG_ENDIAN
 	select SYS_SUPPORTS_32BIT_KERNEL
- 	select ARCH_REQUIRE_GPIOLIB
 +	select SYS_HAS_EARLY_PRINTK
 	help
 	  Support for AR231x and AR531x based boards
--- a/target/linux/atheros/patches-3.18/105-ar2315_pci.patch
+++ b/target/linux/atheros/patches-3.18/105-ar2315_pci.patch
@ -537,10 +537,10 @@
 +	default y
 --- a/arch/mips/ath25/ar2315.c
 +++ b/arch/mips/ath25/ar2315.c
-@@ -144,6 +144,10 @@ static void ar2315_irq_dispatch(void)
+@@ -139,6 +139,10 @@ static void ar2315_irq_dispatch(void)
+ 
+ 	if (pending & CAUSEF_IP3)
 		do_IRQ(AR2315_IRQ_WLAN0);
- 	else if (pending & CAUSEF_IP4)
- 		do_IRQ(AR2315_IRQ_ENET0);
 +#ifdef CONFIG_PCI_AR2315
 +	else if (pending & CAUSEF_IP5)
 +		do_IRQ(AR2315_IRQ_LCBUS_PCI);
@ -548,7 +548,7 @@
 	else if (pending & CAUSEF_IP2)
 		do_IRQ(AR2315_IRQ_MISC);
 	else if (pending & CAUSEF_IP7)
-@@ -429,10 +433,62 @@ void __init ar2315_plat_mem_setup(void)
+@@ -303,10 +307,62 @@ void __init ar2315_plat_mem_setup(void)
 	_machine_restart = ar2315_restart;
 }
 
--- a/target/linux/atheros/patches-3.18/107-ar5312_gpio.patch
+++ b/target/linux/atheros/patches-3.18/107-ar5312_gpio.patch
@ -10,7 +10,15 @@
 config SOC_AR2315
 --- a/arch/mips/ath25/ar5312.c
 +++ b/arch/mips/ath25/ar5312.c
-@@ -221,6 +221,22 @@ static struct platform_device ar5312_phy
+@@ -25,6 +25,7 @@
+ #include <linux/bitops.h>
+ #include <linux/irqdomain.h>
+ #include <linux/reboot.h>
+#include <linux/gpio.h>
+ #include <asm/bootinfo.h>
+ #include <asm/reboot.h>
+ #include <asm/time.h>
+@@ -185,6 +186,22 @@ static struct platform_device ar5312_phy
 	.num_resources = 1,
 };
 
@ -30,18 +38,18 @@
 +	.num_resources = ARRAY_SIZE(ar5312_gpio_res),
 +};
 +
- #ifdef CONFIG_LEDS_GPIO
- static struct gpio_led ar5312_leds[] = {
- 	{ .name = "wlan", .gpio = 0, .active_low = 1, },
-@@ -306,6 +322,8 @@ void __init ar5312_init_devices(void)
+ static void __init ar5312_flash_init(void)
+ {
+ 	void __iomem *flashctl_base;
+@@ -252,6 +269,8 @@ void __init ar5312_init_devices(void)
 
 	platform_device_register(&ar5312_physmap_flash);
 
 +	platform_device_register(&ar5312_gpio);
 +
- #ifdef CONFIG_LEDS_GPIO
- 	ar5312_leds[0].gpio = config->sys_led_gpio;
- 	platform_device_register(&ar5312_gpio_leds);
+ 	switch (ath25_soc) {
+ 	case ATH25_SOC_AR5312:
+ 		if (!ath25_board.radio)
 --- a/drivers/gpio/Kconfig
 +++ b/drivers/gpio/Kconfig
@@ -112,6 +112,13 @@ config GPIO_MAX730X
@ -192,3 +200,13 @@
 +	return platform_driver_register(&ar5312_gpio_driver);
 +}
 +subsys_initcall(ar5312_gpio_init);
+--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
+@@ -107,6 +107,7 @@ config ATH25
+ 	select SYS_SUPPORTS_BIG_ENDIAN
+ 	select SYS_SUPPORTS_32BIT_KERNEL
+ 	select SYS_HAS_EARLY_PRINTK
+	select ARCH_REQUIRE_GPIOLIB
+ 	help
+ 	  Support for AR231x and AR531x based boards
+ 
--- a/target/linux/atheros/patches-3.18/108-ar2315_gpio.patch
+++ b/target/linux/atheros/patches-3.18/108-ar2315_gpio.patch
@ -10,9 +10,18 @@
 config PCI_AR2315
 --- a/arch/mips/ath25/ar2315.c
 +++ b/arch/mips/ath25/ar2315.c
-@@ -240,6 +240,32 @@ static struct platform_device ar2315_wdt
- 	.num_resources = ARRAY_SIZE(ar2315_wdt_res)
- };
+@@ -24,6 +24,8 @@
+ #include <linux/bitops.h>
+ #include <linux/irqdomain.h>
+ #include <linux/reboot.h>
+#include <linux/delay.h>
+#include <linux/gpio.h>
+ #include <asm/bootinfo.h>
+ #include <asm/reboot.h>
+ #include <asm/time.h>
+@@ -172,11 +174,42 @@ void __init ar2315_arch_init_irq(void)
+ 	ar2315_misc_irq_domain = domain;
+ }
 
 +static struct resource ar2315_gpio_res[] = {
 +	{
@ -40,21 +49,30 @@
 +	.num_resources = ARRAY_SIZE(ar2315_gpio_res)
 +};
 +
- #ifdef CONFIG_LEDS_GPIO
- static struct gpio_led ar2315_leds[6];
- static struct gpio_led_platform_data ar2315_led_data = {
-@@ -290,6 +316,11 @@ void __init ar2315_init_devices(void)
+ void __init ar2315_init_devices(void)
+ {
+ 	/* Find board configuration */
 	ath25_find_config(AR2315_SPI_READ_BASE, AR2315_SPI_READ_SIZE);
- 	ar2315_eth_data.macaddr = ath25_board.config->enet0_mac;
 
 +	ar2315_gpio_res[1].start = irq_create_mapping(ar2315_misc_irq_domain,
 +						      AR2315_MISC_IRQ_GPIO);
 +	ar2315_gpio_res[1].end = ar2315_gpio_res[1].start;
 +	platform_device_register(&ar2315_gpio);
 +
- 	ar2315_init_gpio_leds();
+ 	ath25_add_wmac(0, AR2315_WLAN0_BASE, AR2315_IRQ_WLAN0);
+ }
 
- 	ar2315_wdt_res[1].start = irq_create_mapping(ar2315_misc_irq_domain,
+@@ -192,8 +225,8 @@ static void ar2315_restart(char *command
+ 	/* Cold reset does not work on the AR2315/6, use the GPIO reset bits
+ 	 * a workaround. Give it some time to attempt a gpio based hardware
+ 	 * reset (atheros reference design workaround) */
+-
+-	/* TODO: implement the GPIO reset workaround */
+	gpio_request_one(AR2315_RESET_GPIO, GPIOF_OUT_INIT_LOW, "Reset");
+	mdelay(100);
+ 
+ 	/* Some boards (e.g. Senao EOC-2610) don't implement the reset logic
+ 	 * workaround. Attempt to jump to the mips reset location -
 --- a/drivers/gpio/Kconfig
 +++ b/drivers/gpio/Kconfig
@@ -112,6 +112,13 @@ config GPIO_MAX730X
@ -317,3 +335,29 @@
 +	return platform_driver_register(&ar2315_gpio_driver);
 +}
 +subsys_initcall(ar2315_gpio_init);
+--- a/arch/mips/ath25/devices.h
+++ b/arch/mips/ath25/devices.h
+@@ -1,6 +1,11 @@
+ #ifndef __ATH25_DEVICES_H
+ #define __ATH25_DEVICES_H
+ 
+#define AR231X_GPIO_IRQ_BASE		0x30
+
+/* GPIO number for AR2315/16 reset issue workaround */
+#define AR2315_RESET_GPIO		5
+
+ #define ATH25_REG_MS(_val, _field)	(((_val) & _field##_M) >> _field##_S)
+ 
+ #define ATH25_IRQ_CPU_CLOCK	(MIPS_CPU_IRQ_BASE + 7) /* C0_CAUSE: 0x8000 */
+--- a/arch/mips/ath25/ar2315_regs.h
+++ b/arch/mips/ath25/ar2315_regs.h
+@@ -322,6 +322,9 @@
+ #define AR2315_AMBACLK_CLK_DIV_M	0x0000000c
+ #define AR2315_AMBACLK_CLK_DIV_S	2
+ 
+/* GPIO MMR base address */
+#define AR2315_GPIO			0x0088
+
+ /*
+  *  PCI Clock Control
+  */
--- a/target/linux/atheros/patches-3.18/110-ar2313_ethernet.patch
+++ b/target/linux/atheros/patches-3.18/110-ar2313_ethernet.patch
@ -1531,3 +1531,298 @@
 +static void ar231x_check_link(struct net_device *dev);
 +
 +#endif	/* _AR2313_H_ */
+--- a/arch/mips/ath25/ar2315_regs.h
+++ b/arch/mips/ath25/ar2315_regs.h
+@@ -57,6 +57,9 @@
+ #define AR2315_PCI_EXT_BASE	0x80000000	/* PCI external */
+ #define AR2315_PCI_EXT_SIZE	0x40000000
+ 
+/* MII registers offset inside Ethernet MMR region */
+#define AR2315_ENET0_MII_BASE	(AR2315_ENET0_BASE + 0x14)
+
+ /*
+  * Cold reset register
+  */
+--- a/arch/mips/ath25/ar5312_regs.h
+++ b/arch/mips/ath25/ar5312_regs.h
+@@ -66,6 +66,10 @@
+ #define AR5312_AR5312_REV7      0x0057          /* AR5312 WMAC (AP30-040) */
+ #define AR5312_AR2313_REV8      0x0058          /* AR2313 WMAC (AP43-030) */
+ 
+/* MII registers offset inside Ethernet MMR region */
+#define AR5312_ENET0_MII_BASE	(AR5312_ENET0_BASE + 0x14)
+#define AR5312_ENET1_MII_BASE	(AR5312_ENET1_BASE + 0x14)
+
+ /* Reset/Timer Block Address Map */
+ #define AR5312_TIMER		0x0000 /* countdown timer */
+ #define AR5312_RELOAD		0x0004 /* timer reload value */
+--- a/arch/mips/ath25/ar2315.c
+++ b/arch/mips/ath25/ar2315.c
+@@ -141,6 +141,8 @@ static void ar2315_irq_dispatch(void)
+ 
+ 	if (pending & CAUSEF_IP3)
+ 		do_IRQ(AR2315_IRQ_WLAN0);
+	else if (pending & CAUSEF_IP4)
+		do_IRQ(AR2315_IRQ_ENET0);
+ #ifdef CONFIG_PCI_AR2315
+ 	else if (pending & CAUSEF_IP5)
+ 		do_IRQ(AR2315_IRQ_LCBUS_PCI);
+@@ -174,6 +176,29 @@ void __init ar2315_arch_init_irq(void)
+ 	ar2315_misc_irq_domain = domain;
+ }
+ 
+static void ar2315_device_reset_set(u32 mask)
+{
+	u32 val;
+
+	val = ar2315_rst_reg_read(AR2315_RESET);
+	ar2315_rst_reg_write(AR2315_RESET, val | mask);
+}
+
+static void ar2315_device_reset_clear(u32 mask)
+{
+	u32 val;
+
+	val = ar2315_rst_reg_read(AR2315_RESET);
+	ar2315_rst_reg_write(AR2315_RESET, val & ~mask);
+}
+
+static struct ar231x_eth ar2315_eth_data = {
+	.reset_set = ar2315_device_reset_set,
+	.reset_clear = ar2315_device_reset_clear,
+	.reset_mac = AR2315_RESET_ENET0,
+	.reset_phy = AR2315_RESET_EPHY0,
+};
+
+ static struct resource ar2315_gpio_res[] = {
+ 	{
+ 		.name = "ar2315-gpio",
+@@ -210,6 +235,11 @@ void __init ar2315_init_devices(void)
+ 	ar2315_gpio_res[1].end = ar2315_gpio_res[1].start;
+ 	platform_device_register(&ar2315_gpio);
+ 
+	ar2315_eth_data.macaddr = ath25_board.config->enet0_mac;
+	ath25_add_ethernet(0, AR2315_ENET0_BASE, "eth0_mii",
+			   AR2315_ENET0_MII_BASE, AR2315_IRQ_ENET0,
+			   &ar2315_eth_data);
+
+ 	ath25_add_wmac(0, AR2315_WLAN0_BASE, AR2315_IRQ_WLAN0);
+ }
+ 
+--- a/arch/mips/ath25/ar5312.c
+++ b/arch/mips/ath25/ar5312.c
+@@ -137,6 +137,10 @@ static void ar5312_irq_dispatch(void)
+ 
+ 	if (pending & CAUSEF_IP2)
+ 		do_IRQ(AR5312_IRQ_WLAN0);
+	else if (pending & CAUSEF_IP3)
+		do_IRQ(AR5312_IRQ_ENET0);
+	else if (pending & CAUSEF_IP4)
+		do_IRQ(AR5312_IRQ_ENET1);
+ 	else if (pending & CAUSEF_IP5)
+ 		do_IRQ(AR5312_IRQ_WLAN1);
+ 	else if (pending & CAUSEF_IP6)
+@@ -168,6 +172,36 @@ void __init ar5312_arch_init_irq(void)
+ 	ar5312_misc_irq_domain = domain;
+ }
+ 
+static void ar5312_device_reset_set(u32 mask)
+{
+	u32 val;
+
+	val = ar5312_rst_reg_read(AR5312_RESET);
+	ar5312_rst_reg_write(AR5312_RESET, val | mask);
+}
+
+static void ar5312_device_reset_clear(u32 mask)
+{
+	u32 val;
+
+	val = ar5312_rst_reg_read(AR5312_RESET);
+	ar5312_rst_reg_write(AR5312_RESET, val & ~mask);
+}
+
+static struct ar231x_eth ar5312_eth0_data = {
+	.reset_set = ar5312_device_reset_set,
+	.reset_clear = ar5312_device_reset_clear,
+	.reset_mac = AR5312_RESET_ENET0,
+	.reset_phy = AR5312_RESET_EPHY0,
+};
+
+static struct ar231x_eth ar5312_eth1_data = {
+	.reset_set = ar5312_device_reset_set,
+	.reset_clear = ar5312_device_reset_clear,
+	.reset_mac = AR5312_RESET_ENET1,
+	.reset_phy = AR5312_RESET_EPHY1,
+};
+
+ static struct physmap_flash_data ar5312_flash_data = {
+ 	.width = 2,
+ };
+@@ -248,6 +282,7 @@ static void __init ar5312_flash_init(voi
+ void __init ar5312_init_devices(void)
+ {
+ 	struct ath25_boarddata *config;
+	u8 *c;
+ 
+ 	ar5312_flash_init();
+ 
+@@ -271,8 +306,30 @@ void __init ar5312_init_devices(void)
+ 
+ 	platform_device_register(&ar5312_gpio);
+ 
+	/* Fix up MAC addresses if necessary */
+	if (is_broadcast_ether_addr(config->enet0_mac))
+		ether_addr_copy(config->enet0_mac, config->enet1_mac);
+
+	/* If ENET0 and ENET1 have the same mac address,
+	 * increment the one from ENET1 */
+	if (ether_addr_equal(config->enet0_mac, config->enet1_mac)) {
+		c = config->enet1_mac + 5;
+		while ((c >= config->enet1_mac) && !(++(*c)))
+			c--;
+	}
+
+ 	switch (ath25_soc) {
+ 	case ATH25_SOC_AR5312:
+		ar5312_eth0_data.macaddr = config->enet0_mac;
+		ath25_add_ethernet(0, AR5312_ENET0_BASE, "eth0_mii",
+				   AR5312_ENET0_MII_BASE, AR5312_IRQ_ENET0,
+				   &ar5312_eth0_data);
+
+		ar5312_eth1_data.macaddr = config->enet1_mac;
+		ath25_add_ethernet(1, AR5312_ENET1_BASE, "eth1_mii",
+				   AR5312_ENET1_MII_BASE, AR5312_IRQ_ENET1,
+				   &ar5312_eth1_data);
+
+ 		if (!ath25_board.radio)
+ 			return;
+ 
+@@ -281,8 +338,18 @@ void __init ar5312_init_devices(void)
+ 
+ 		ath25_add_wmac(0, AR5312_WLAN0_BASE, AR5312_IRQ_WLAN0);
+ 		break;
+	/*
+	 * AR2312/3 ethernet uses the PHY of ENET0, but the MAC
+	 * of ENET1. Atheros calls it 'twisted' for a reason :)
+	 */
+ 	case ATH25_SOC_AR2312:
+ 	case ATH25_SOC_AR2313:
+		ar5312_eth1_data.reset_phy = ar5312_eth0_data.reset_phy;
+		ar5312_eth1_data.macaddr = config->enet0_mac;
+		ath25_add_ethernet(1, AR5312_ENET1_BASE, "eth0_mii",
+				   AR5312_ENET0_MII_BASE, AR5312_IRQ_ENET1,
+				   &ar5312_eth1_data);
+
+ 		if (!ath25_board.radio)
+ 			return;
+ 		break;
+--- a/arch/mips/ath25/devices.h
+++ b/arch/mips/ath25/devices.h
+@@ -30,6 +30,8 @@ extern struct ar231x_board_config ath25_
+ extern void (*ath25_irq_dispatch)(void);
+ 
+ int ath25_find_config(phys_addr_t offset, unsigned long size);
+int ath25_add_ethernet(int nr, u32 base, const char *mii_name, u32 mii_base,
+		       int irq, void *pdata);
+ void ath25_serial_setup(u32 mapbase, int irq, unsigned int uartclk);
+ int ath25_add_wmac(int nr, u32 base, int irq);
+ 
+--- a/arch/mips/ath25/devices.c
+++ b/arch/mips/ath25/devices.c
+@@ -14,6 +14,51 @@
+ struct ar231x_board_config ath25_board;
+ enum ath25_soc_type ath25_soc = ATH25_SOC_UNKNOWN;
+ 
+static struct resource ath25_eth0_res[] = {
+	{
+		.name = "eth0_membase",
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.name = "eth0_mii",
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.name = "eth0_irq",
+		.flags = IORESOURCE_IRQ,
+	}
+};
+
+static struct resource ath25_eth1_res[] = {
+	{
+		.name = "eth1_membase",
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.name = "eth1_mii",
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.name = "eth1_irq",
+		.flags = IORESOURCE_IRQ,
+	}
+};
+
+static struct platform_device ath25_eth[] = {
+	{
+		.id = 0,
+		.name = "ar231x-eth",
+		.resource = ath25_eth0_res,
+		.num_resources = ARRAY_SIZE(ath25_eth0_res)
+	},
+	{
+		.id = 1,
+		.name = "ar231x-eth",
+		.resource = ath25_eth1_res,
+		.num_resources = ARRAY_SIZE(ath25_eth1_res)
+	}
+};
+
+ static struct resource ath25_wmac0_res[] = {
+ 	{
+ 		.name = "wmac0_membase",
+@@ -72,6 +117,25 @@ const char *get_system_type(void)
+ 	return soc_type_strings[ath25_soc];
+ }
+ 
+int __init ath25_add_ethernet(int nr, u32 base, const char *mii_name,
+			      u32 mii_base, int irq, void *pdata)
+{
+	struct resource *res;
+
+	ath25_eth[nr].dev.platform_data = pdata;
+	res = &ath25_eth[nr].resource[0];
+	res->start = base;
+	res->end = base + 0x2000 - 1;
+	res++;
+	res->name = mii_name;
+	res->start = mii_base;
+	res->end = mii_base + 8 - 1;
+	res++;
+	res->start = irq;
+	res->end = irq;
+	return platform_device_register(&ath25_eth[nr]);
+}
+
+ void __init ath25_serial_setup(u32 mapbase, int irq, unsigned int uartclk)
+ {
+ 	struct uart_port s;
+--- a/arch/mips/include/asm/mach-ath25/ath25_platform.h
+++ b/arch/mips/include/asm/mach-ath25/ath25_platform.h
+@@ -70,4 +70,15 @@ struct ar231x_board_config {
+ 	const char *radio;
+ };
+ 
+/*
+ * Platform device information for the Ethernet MAC
+ */
+struct ar231x_eth {
+	void (*reset_set)(u32);
+	void (*reset_clear)(u32);
+	u32 reset_mac;
+	u32 reset_phy;
+	char *macaddr;
+};
+
+ #endif /* __ASM_MACH_ATH25_PLATFORM_H */
--- a/target/linux/atheros/patches-3.18/120-spiflash.patch
+++ b/target/linux/atheros/patches-3.18/120-spiflash.patch
@ -592,3 +592,43 @@
 +#define SPI_STATUS_WIP		STM_STATUS_WIP
 +
 +#endif
+--- a/arch/mips/ath25/ar2315.c
+++ b/arch/mips/ath25/ar2315.c
+@@ -225,6 +225,28 @@ static struct platform_device ar2315_gpi
+ 	.num_resources = ARRAY_SIZE(ar2315_gpio_res)
+ };
+ 
+static struct resource ar2315_spiflash_res[] = {
+	{
+		.name = "spiflash_read",
+		.flags = IORESOURCE_MEM,
+		.start = AR2315_SPI_READ_BASE,
+		.end = AR2315_SPI_READ_BASE + AR2315_SPI_READ_SIZE - 1,
+	},
+	{
+		.name = "spiflash_mmr",
+		.flags = IORESOURCE_MEM,
+		.start = AR2315_SPI_MMR_BASE,
+		.end = AR2315_SPI_MMR_BASE + AR2315_SPI_MMR_SIZE - 1,
+	},
+};
+
+static struct platform_device ar2315_spiflash = {
+	.id = 0,
+	.name = "ar2315-spiflash",
+	.resource = ar2315_spiflash_res,
+	.num_resources = ARRAY_SIZE(ar2315_spiflash_res)
+};
+
+ void __init ar2315_init_devices(void)
+ {
+ 	/* Find board configuration */
+@@ -235,6 +257,8 @@ void __init ar2315_init_devices(void)
+ 	ar2315_gpio_res[1].end = ar2315_gpio_res[1].start;
+ 	platform_device_register(&ar2315_gpio);
+ 
+	platform_device_register(&ar2315_spiflash);
+
+ 	ar2315_eth_data.macaddr = ath25_board.config->enet0_mac;
+ 	ath25_add_ethernet(0, AR2315_ENET0_BASE, "eth0_mii",
+ 			   AR2315_ENET0_MII_BASE, AR2315_IRQ_ENET0,
--- a/target/linux/atheros/patches-3.18/130-watchdog.patch
+++ b/target/linux/atheros/patches-3.18/130-watchdog.patch
@ -236,3 +236,42 @@
 obj-$(CONFIG_TXX9_WDT) += txx9wdt.o
 obj-$(CONFIG_OCTEON_WDT) += octeon-wdt.o
 octeon-wdt-y := octeon-wdt-main.o octeon-wdt-nmi.o
+--- a/arch/mips/ath25/ar2315.c
+++ b/arch/mips/ath25/ar2315.c
+@@ -225,6 +225,24 @@ static struct platform_device ar2315_gpi
+ 	.num_resources = ARRAY_SIZE(ar2315_gpio_res)
+ };
+ 
+static struct resource ar2315_wdt_res[] = {
+	{
+		.flags = IORESOURCE_MEM,
+		.start = AR2315_RST_BASE + AR2315_WDT_TIMER,
+		.end = AR2315_RST_BASE + AR2315_WDT_TIMER + 8 - 1,
+	},
+	{
+		.flags = IORESOURCE_IRQ,
+	}
+};
+
+static struct platform_device ar2315_wdt = {
+	.id = 0,
+	.name = "ar2315-wdt",
+	.resource = ar2315_wdt_res,
+	.num_resources = ARRAY_SIZE(ar2315_wdt_res)
+};
+
+ static struct resource ar2315_spiflash_res[] = {
+ 	{
+ 		.name = "spiflash_read",
+@@ -257,6 +275,11 @@ void __init ar2315_init_devices(void)
+ 	ar2315_gpio_res[1].end = ar2315_gpio_res[1].start;
+ 	platform_device_register(&ar2315_gpio);
+ 
+	ar2315_wdt_res[1].start = irq_create_mapping(ar2315_misc_irq_domain,
+						     AR2315_MISC_IRQ_WATCHDOG);
+	ar2315_wdt_res[1].end = ar2315_wdt_res[1].start;
+	platform_device_register(&ar2315_wdt);
+
+ 	platform_device_register(&ar2315_spiflash);
+ 
+ 	ar2315_eth_data.macaddr = ath25_board.config->enet0_mac;
--- a/target/linux/atheros/patches-3.18/330-board_leds.patch
+++ b/target/linux/atheros/patches-3.18/330-board_leds.patch
@ -0,0 +1,116 @@
+--- a/arch/mips/ath25/ar2315.c
+++ b/arch/mips/ath25/ar2315.c
+@@ -26,6 +26,7 @@
+ #include <linux/reboot.h>
+ #include <linux/delay.h>
+ #include <linux/gpio.h>
+#include <linux/leds.h>
+ #include <asm/bootinfo.h>
+ #include <asm/reboot.h>
+ #include <asm/time.h>
+@@ -265,6 +266,50 @@ static struct platform_device ar2315_spi
+ 	.num_resources = ARRAY_SIZE(ar2315_spiflash_res)
+ };
+ 
+#ifdef CONFIG_LEDS_GPIO
+static struct gpio_led ar2315_leds[6];
+static struct gpio_led_platform_data ar2315_led_data = {
+	.leds = (void *)ar2315_leds,
+};
+
+static struct platform_device ar2315_gpio_leds = {
+	.name = "leds-gpio",
+	.id = -1,
+	.dev = {
+		.platform_data = (void *)&ar2315_led_data,
+	}
+};
+
+static void __init ar2315_init_gpio_leds(void)
+{
+	static char led_names[6][6];
+	int i, led = 0;
+
+	ar2315_led_data.num_leds = 0;
+	for (i = 1; i < 8; i++) {
+		if ((i == AR2315_RESET_GPIO) ||
+		    (i == ath25_board.config->reset_config_gpio))
+			continue;
+
+		if (i == ath25_board.config->sys_led_gpio)
+			strcpy(led_names[led], "wlan");
+		else
+			sprintf(led_names[led], "gpio%d", i);
+
+		ar2315_leds[led].name = led_names[led];
+		ar2315_leds[led].gpio = i;
+		ar2315_leds[led].active_low = 0;
+		led++;
+	}
+	ar2315_led_data.num_leds = led;
+	platform_device_register(&ar2315_gpio_leds);
+}
+#else
+static inline void ar2315_init_gpio_leds(void)
+{
+}
+#endif
+
+ void __init ar2315_init_devices(void)
+ {
+ 	/* Find board configuration */
+@@ -275,6 +320,8 @@ void __init ar2315_init_devices(void)
+ 	ar2315_gpio_res[1].end = ar2315_gpio_res[1].start;
+ 	platform_device_register(&ar2315_gpio);
+ 
+	ar2315_init_gpio_leds();
+
+ 	ar2315_wdt_res[1].start = irq_create_mapping(ar2315_misc_irq_domain,
+ 						     AR2315_MISC_IRQ_WATCHDOG);
+ 	ar2315_wdt_res[1].end = ar2315_wdt_res[1].start;
+--- a/arch/mips/ath25/ar5312.c
+++ b/arch/mips/ath25/ar5312.c
+@@ -26,6 +26,7 @@
+ #include <linux/irqdomain.h>
+ #include <linux/reboot.h>
+ #include <linux/gpio.h>
+#include <linux/leds.h>
+ #include <asm/bootinfo.h>
+ #include <asm/reboot.h>
+ #include <asm/time.h>
+@@ -236,6 +237,23 @@ static struct platform_device ar5312_gpi
+ 	.num_resources = ARRAY_SIZE(ar5312_gpio_res),
+ };
+ 
+#ifdef CONFIG_LEDS_GPIO
+static struct gpio_led ar5312_leds[] = {
+	{ .name = "wlan", .gpio = 0, .active_low = 1, },
+};
+
+static const struct gpio_led_platform_data ar5312_led_data = {
+	.num_leds = ARRAY_SIZE(ar5312_leds),
+	.leds = (void *)ar5312_leds,
+};
+
+static struct platform_device ar5312_gpio_leds = {
+	.name = "leds-gpio",
+	.id = -1,
+	.dev.platform_data = (void *)&ar5312_led_data,
+};
+#endif
+
+ static void __init ar5312_flash_init(void)
+ {
+ 	void __iomem *flashctl_base;
+@@ -306,6 +324,11 @@ void __init ar5312_init_devices(void)
+ 
+ 	platform_device_register(&ar5312_gpio);
+ 
+#ifdef CONFIG_LEDS_GPIO
+	ar5312_leds[0].gpio = config->sys_led_gpio;
+	platform_device_register(&ar5312_gpio_leds);
+#endif
+
+ 	/* Fix up MAC addresses if necessary */
+ 	if (is_broadcast_ether_addr(config->enet0_mac))
+ 		ether_addr_copy(config->enet0_mac, config->enet1_mac);