Merge tag 'v2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

[mv-sheeva.git] / arch / mips / ath79 / mach-pb44.c

diff --git a/arch/mips/ath79/mach-pb44.c b/arch/mips/ath79/mach-pb44.c
new file mode 100644 (file)
index 0000000..ec7b7a1
--- /dev/null
+++ b/arch/mips/ath79/mach-pb44.c
@@ -0,0 +1,118 @@
+/*
+ *  Atheros PB44 reference board support
+ *
+ *  Copyright (C) 2009-2010 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 <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/i2c.h>
+#include <linux/i2c-gpio.h>
+#include <linux/i2c/pcf857x.h>
+
+#include "machtypes.h"
+#include "dev-gpio-buttons.h"
+#include "dev-leds-gpio.h"
+#include "dev-spi.h"
+
+#define PB44_GPIO_I2C_SCL      0
+#define PB44_GPIO_I2C_SDA      1
+
+#define PB44_GPIO_EXP_BASE     16
+#define PB44_GPIO_SW_RESET     (PB44_GPIO_EXP_BASE + 6)
+#define PB44_GPIO_SW_JUMP      (PB44_GPIO_EXP_BASE + 8)
+#define PB44_GPIO_LED_JUMP1    (PB44_GPIO_EXP_BASE + 9)
+#define PB44_GPIO_LED_JUMP2    (PB44_GPIO_EXP_BASE + 10)
+
+#define PB44_KEYS_POLL_INTERVAL                20      /* msecs */
+#define PB44_KEYS_DEBOUNCE_INTERVAL    (3 * PB44_KEYS_POLL_INTERVAL)
+
+static struct i2c_gpio_platform_data pb44_i2c_gpio_data = {
+       .sda_pin        = PB44_GPIO_I2C_SDA,
+       .scl_pin        = PB44_GPIO_I2C_SCL,
+};
+
+static struct platform_device pb44_i2c_gpio_device = {
+       .name           = "i2c-gpio",
+       .id             = 0,
+       .dev = {
+               .platform_data  = &pb44_i2c_gpio_data,
+       }
+};
+
+static struct pcf857x_platform_data pb44_pcf857x_data = {
+       .gpio_base      = PB44_GPIO_EXP_BASE,
+};
+
+static struct i2c_board_info pb44_i2c_board_info[] __initdata = {
+       {
+               I2C_BOARD_INFO("pcf8575", 0x20),
+               .platform_data  = &pb44_pcf857x_data,
+       },
+};
+
+static struct gpio_led pb44_leds_gpio[] __initdata = {
+       {
+               .name           = "pb44:amber:jump1",
+               .gpio           = PB44_GPIO_LED_JUMP1,
+               .active_low     = 1,
+       }, {
+               .name           = "pb44:green:jump2",
+               .gpio           = PB44_GPIO_LED_JUMP2,
+               .active_low     = 1,
+       },
+};
+
+static struct gpio_keys_button pb44_gpio_keys[] __initdata = {
+       {
+               .desc           = "soft_reset",
+               .type           = EV_KEY,
+               .code           = KEY_RESTART,
+               .debounce_interval = PB44_KEYS_DEBOUNCE_INTERVAL,
+               .gpio           = PB44_GPIO_SW_RESET,
+               .active_low     = 1,
+       } , {
+               .desc           = "jumpstart",
+               .type           = EV_KEY,
+               .code           = KEY_WPS_BUTTON,
+               .debounce_interval = PB44_KEYS_DEBOUNCE_INTERVAL,
+               .gpio           = PB44_GPIO_SW_JUMP,
+               .active_low     = 1,
+       }
+};
+
+static struct spi_board_info pb44_spi_info[] = {
+       {
+               .bus_num        = 0,
+               .chip_select    = 0,
+               .max_speed_hz   = 25000000,
+               .modalias       = "m25p64",
+       },
+};
+
+static struct ath79_spi_platform_data pb44_spi_data = {
+       .bus_num                = 0,
+       .num_chipselect         = 1,
+};
+
+static void __init pb44_init(void)
+{
+       i2c_register_board_info(0, pb44_i2c_board_info,
+                               ARRAY_SIZE(pb44_i2c_board_info));
+       platform_device_register(&pb44_i2c_gpio_device);
+
+       ath79_register_leds_gpio(-1, ARRAY_SIZE(pb44_leds_gpio),
+                                pb44_leds_gpio);
+       ath79_register_gpio_keys_polled(-1, PB44_KEYS_POLL_INTERVAL,
+                                       ARRAY_SIZE(pb44_gpio_keys),
+                                       pb44_gpio_keys);
+       ath79_register_spi(&pb44_spi_data, pb44_spi_info,
+                          ARRAY_SIZE(pb44_spi_info));
+}
+
+MIPS_MACHINE(ATH79_MACH_PB44, "PB44", "Atheros PB44 reference board",
+            pb44_init);