[PATCH v5 15/16] MIPS: ath79: add initial support for the Atheros AP81 reference board

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Signed-off-by: Gabor Juhos <juhosg@xxxxxxxxxxx>
Signed-off-by: Imre Kaloz <kaloz@xxxxxxxxxxx>
---
Changes since RFC:
    - don't use 'default n' for the ATH79_MACH_AP81 Kconfig option

Changes since v1:
    - rebased against 2.6.37-rc7

Changes since v2: ---

Changes since v3:
    - rebased against 2.6.37-rc8

Changes since v4: ---

 arch/mips/ath79/Kconfig     |   11 +++++
 arch/mips/ath79/Makefile    |    1 +
 arch/mips/ath79/mach-ap81.c |   94 +++++++++++++++++++++++++++++++++++++++++++
 arch/mips/ath79/machtypes.h |    1 +
 4 files changed, 107 insertions(+), 0 deletions(-)
 create mode 100644 arch/mips/ath79/mach-ap81.c

diff --git a/arch/mips/ath79/Kconfig b/arch/mips/ath79/Kconfig
index 5d67942..1912d54 100644
--- a/arch/mips/ath79/Kconfig
+++ b/arch/mips/ath79/Kconfig
@@ -2,6 +2,17 @@ if ATH79
 
 menu "Atheros AR71XX/AR724X/AR913X machine selection"
 
+config ATH79_MACH_AP81
+	bool "Atheros AP81 reference board"
+	select SOC_AR913X
+	select ATH79_DEV_GPIO_BUTTONS
+	select ATH79_DEV_LEDS_GPIO
+	select ATH79_DEV_SPI
+	select ATH79_DEV_USB
+	help
+	  Say 'Y' here if you want your kernel to support the
+	  Atheros AP81 reference board.
+
 config ATH79_MACH_PB44
 	bool "Atheros PB44 reference board"
 	select SOC_AR71XX
diff --git a/arch/mips/ath79/Makefile b/arch/mips/ath79/Makefile
index 563e235..3d74e1c 100644
--- a/arch/mips/ath79/Makefile
+++ b/arch/mips/ath79/Makefile
@@ -24,4 +24,5 @@ obj-$(CONFIG_ATH79_DEV_USB)		+= dev-usb.o
 #
 # Machines
 #
+obj-$(CONFIG_ATH79_MACH_AP81)		+= mach-ap81.o
 obj-$(CONFIG_ATH79_MACH_PB44)		+= mach-pb44.o
diff --git a/arch/mips/ath79/mach-ap81.c b/arch/mips/ath79/mach-ap81.c
new file mode 100644
index 0000000..909ca5d
--- /dev/null
+++ b/arch/mips/ath79/mach-ap81.c
@@ -0,0 +1,94 @@
+/*
+ *  Atheros AP81 board support
+ *
+ *  Copyright (C) 2009-2010 Gabor Juhos <juhosg@xxxxxxxxxxx>
+ *  Copyright (C) 2009 Imre Kaloz <kaloz@xxxxxxxxxxx>
+ *
+ *  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-gpio-buttons.h"
+#include "dev-leds-gpio.h"
+#include "dev-spi.h"
+#include "dev-usb.h"
+
+#define AP81_GPIO_LED_STATUS	1
+#define AP81_GPIO_LED_AOSS	3
+#define AP81_GPIO_LED_WLAN	6
+#define AP81_GPIO_LED_POWER	14
+
+#define AP81_GPIO_BTN_SW4	12
+#define AP81_GPIO_BTN_SW1	21
+
+#define AP81_KEYS_POLL_INTERVAL		20	/* msecs */
+#define AP81_KEYS_DEBOUNCE_INTERVAL	(3 * AP81_KEYS_POLL_INTERVAL)
+
+static struct gpio_led ap81_leds_gpio[] __initdata = {
+	{
+		.name		= "ap81:green:status",
+		.gpio		= AP81_GPIO_LED_STATUS,
+		.active_low	= 1,
+	}, {
+		.name		= "ap81:amber:aoss",
+		.gpio		= AP81_GPIO_LED_AOSS,
+		.active_low	= 1,
+	}, {
+		.name		= "ap81:green:wlan",
+		.gpio		= AP81_GPIO_LED_WLAN,
+		.active_low	= 1,
+	}, {
+		.name		= "ap81:green:power",
+		.gpio		= AP81_GPIO_LED_POWER,
+		.active_low	= 1,
+	}
+};
+
+static struct gpio_keys_button ap81_gpio_keys[] __initdata = {
+	{
+		.desc		= "sw1",
+		.type		= EV_KEY,
+		.code		= BTN_0,
+		.debounce_interval = AP81_KEYS_DEBOUNCE_INTERVAL,
+		.gpio		= AP81_GPIO_BTN_SW1,
+		.active_low	= 1,
+	} , {
+		.desc		= "sw4",
+		.type		= EV_KEY,
+		.code		= BTN_1,
+		.debounce_interval = AP81_KEYS_DEBOUNCE_INTERVAL,
+		.gpio		= AP81_GPIO_BTN_SW4,
+		.active_low	= 1,
+	}
+};
+
+static struct spi_board_info ap81_spi_info[] = {
+	{
+		.bus_num	= 0,
+		.chip_select	= 0,
+		.max_speed_hz	= 25000000,
+		.modalias	= "m25p64",
+	}
+};
+
+static struct ath79_spi_platform_data ap81_spi_data = {
+	.bus_num	= 0,
+	.num_chipselect	= 1,
+};
+
+static void __init ap81_setup(void)
+{
+	ath79_register_leds_gpio(-1, ARRAY_SIZE(ap81_leds_gpio),
+				 ap81_leds_gpio);
+	ath79_register_gpio_keys_polled(-1, AP81_KEYS_POLL_INTERVAL,
+					ARRAY_SIZE(ap81_gpio_keys),
+					ap81_gpio_keys);
+	ath79_register_spi(&ap81_spi_data, ap81_spi_info,
+			   ARRAY_SIZE(ap81_spi_info));
+	ath79_register_usb();
+}
+
+MIPS_MACHINE(ATH79_MACH_AP81, "AP81", "Atheros AP81 reference board",
+	     ap81_setup);
diff --git a/arch/mips/ath79/machtypes.h b/arch/mips/ath79/machtypes.h
index a796fa3..3940fe4 100644
--- a/arch/mips/ath79/machtypes.h
+++ b/arch/mips/ath79/machtypes.h
@@ -16,6 +16,7 @@
 
 enum ath79_mach_type {
 	ATH79_MACH_GENERIC = 0,
+	ATH79_MACH_AP81,		/* Atheros AP81 reference board */
 	ATH79_MACH_PB44,		/* Atheros PB44 reference board */
 };
 
-- 
1.7.2.1




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