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authorGabor Juhos <juhosg@openwrt.org>2011-01-04 23:28:28 +0300
committerRalf Baechle <ralf@linux-mips.org>2011-01-18 21:30:27 +0300
commitaa6695ec8b51da7aaa245310073ddd39a306a77f (patch)
tree760da11acabf41da8a66b8777788a58cbaf6d89c
parent68a1d3163678a42ad2d0a9013672083c4fb613be (diff)
downloadlinux-aa6695ec8b51da7aaa245310073ddd39a306a77f.tar.xz
MIPS: ath79: Add initial support for the Atheros AP81 reference board
Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Signed-off-by: Imre Kaloz <kaloz@openwrt.org> Cc: linux-mips@linux-mips.org Cc: Luis R. Rodriguez <lrodriguez@atheros.com> Cc: Cliff Holden <Cliff.Holden@Atheros.com> Cc: Kathy Giori <Kathy.Giori@Atheros.com> Patchwork: https://patchwork.linux-mips.org/patch/1952/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
-rw-r--r--arch/mips/ath79/Kconfig10
-rw-r--r--arch/mips/ath79/Makefile1
-rw-r--r--arch/mips/ath79/mach-ap81.c92
-rw-r--r--arch/mips/ath79/machtypes.h1
4 files changed, 104 insertions, 0 deletions
diff --git a/arch/mips/ath79/Kconfig b/arch/mips/ath79/Kconfig
index cd6c738a916c..2e397708e2f7 100644
--- a/arch/mips/ath79/Kconfig
+++ b/arch/mips/ath79/Kconfig
@@ -2,6 +2,16 @@ 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
+ 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 42f4295e650a..a245e3645271 100644
--- a/arch/mips/ath79/Makefile
+++ b/arch/mips/ath79/Makefile
@@ -23,4 +23,5 @@ obj-$(CONFIG_ATH79_DEV_SPI) += dev-spi.o
#
# Machines
#
+obj-$(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 000000000000..4e4ccd4f80d9
--- /dev/null
+++ b/arch/mips/ath79/mach-ap81.c
@@ -0,0 +1,92 @@
+/*
+ * Atheros AP81 board support
+ *
+ * Copyright (C) 2009-2010 Gabor Juhos <juhosg@openwrt.org>
+ * Copyright (C) 2009 Imre Kaloz <kaloz@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-gpio-buttons.h"
+#include "dev-leds-gpio.h"
+#include "dev-spi.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));
+}
+
+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 a796fa3f92a3..3940fe470b2d 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 */
};