1 files changed, 275 insertions, 0 deletions

diff --git a/arch/arm/mach-kirkwood/board-dnskw.c b/arch/arm/mach-kirkwood/board-dnskw.c
new file mode 100644
index 000000000000..58c2d68f9443
--- /dev/null
+++ b/arch/arm/mach-kirkwood/board-dnskw.c
@@ -0,0 +1,275 @@
+/*
+ * Copyright 2012 (C), Jamie Lentin <jm@lentin.co.uk>
+ *
+ * arch/arm/mach-kirkwood/board-dnskw.c
+ *
+ * D-link DNS-320 & DNS-325 NAS Init for drivers not converted to
+ * flattened device tree yet.
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/i2c.h>
+#include <linux/ata_platform.h>
+#include <linux/mv643xx_eth.h>
+#include <linux/of.h>
+#include <linux/gpio.h>
+#include <linux/input.h>
+#include <linux/gpio_keys.h>
+#include <linux/gpio-fan.h>
+#include <linux/leds.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <mach/kirkwood.h>
+#include <mach/bridge-regs.h>
+#include "common.h"
+#include "mpp.h"
+
+static struct mv643xx_eth_platform_data dnskw_ge00_data = {
+        .phy_addr       = MV643XX_ETH_PHY_ADDR(8),
+};
+
+static struct mv_sata_platform_data dnskw_sata_data = {
+        .n_ports        = 2,
+};
+
+static unsigned int dnskw_mpp_config[] __initdata = {
+        MPP13_UART1_TXD,        /* Custom ... */
+        MPP14_UART1_RXD,        /* ... Controller (DNS-320 only) */
+        MPP20_SATA1_ACTn,       /* LED: White Right HDD */
+        MPP21_SATA0_ACTn,       /* LED: White Left HDD */
+        MPP24_GPIO,
+        MPP25_GPIO,
+        MPP26_GPIO,     /* LED: Power */
+        MPP27_GPIO,     /* LED: Red Right HDD */
+        MPP28_GPIO,     /* LED: Red Left HDD */
+        MPP29_GPIO,     /* LED: Red USB (DNS-325 only) */
+        MPP30_GPIO,
+        MPP31_GPIO,
+        MPP32_GPIO,
+        MPP33_GPO,
+        MPP34_GPIO,     /* Button: Front power */
+        MPP35_GPIO,     /* LED: Red USB (DNS-320 only) */
+        MPP36_GPIO,     /* Power: Turn off board */
+        MPP37_GPIO,     /* Power: Turn back on after power failure */
+        MPP38_GPIO,
+        MPP39_GPIO,     /* Power: SATA0 */
+        MPP40_GPIO,     /* Power: SATA1 */
+        MPP41_GPIO,     /* SATA0 present */
+        MPP42_GPIO,     /* SATA1 present */
+        MPP43_GPIO,     /* LED: White USB */
+        MPP44_GPIO,     /* Fan: Tachometer Pin */
+        MPP45_GPIO,     /* Fan: high speed */
+        MPP46_GPIO,     /* Fan: low speed */
+        MPP47_GPIO,     /* Button: Back unmount */
+        MPP48_GPIO,     /* Button: Back reset */
+        MPP49_GPIO,     /* Temp Alarm (DNS-325) Pin of U5 (DNS-320) */
+        0
+};
+
+static struct gpio_led dns325_led_pins[] = {
+        {
+                .name   = "dns325:white:power",
+                .gpio   = 26,
+                .active_low = 1,
+                .default_trigger = "default-on",
+        },
+        {
+                .name   = "dns325:white:usb",
+                .gpio   = 43,
+                .active_low = 1,
+        },
+        {
+                .name   = "dns325:red:l_hdd",
+                .gpio   = 28,
+                .active_low = 1,
+        },
+        {
+                .name   = "dns325:red:r_hdd",
+                .gpio   = 27,
+                .active_low = 1,
+        },
+        {
+                .name   = "dns325:red:usb",
+                .gpio   = 29,
+                .active_low = 1,
+        },
+};
+
+static struct gpio_led_platform_data dns325_led_data = {
+        .num_leds       = ARRAY_SIZE(dns325_led_pins),
+        .leds           = dns325_led_pins,
+};
+
+static struct platform_device dns325_led_device = {
+        .name           = "leds-gpio",
+        .id             = -1,
+        .dev            = {
+                .platform_data  = &dns325_led_data,
+        },
+};
+
+static struct gpio_led dns320_led_pins[] = {
+        {
+                .name   = "dns320:blue:power",
+                .gpio   = 26,
+                .active_low = 1,
+                .default_trigger = "default-on",
+        },
+        {
+                .name   = "dns320:blue:usb",
+                .gpio   = 43,
+                .active_low = 1,
+        },
+        {
+                .name   = "dns320:orange:l_hdd",
+                .gpio   = 28,
+                .active_low = 1,
+        },
+        {
+                .name   = "dns320:orange:r_hdd",
+                .gpio   = 27,
+                .active_low = 1,
+        },
+        {
+                .name   = "dns320:orange:usb",
+                .gpio   = 35,
+                .active_low = 1,
+        },
+};
+
+static struct gpio_led_platform_data dns320_led_data = {
+        .num_leds       = ARRAY_SIZE(dns320_led_pins),
+        .leds           = dns320_led_pins,
+};
+
+static struct platform_device dns320_led_device = {
+        .name           = "leds-gpio",
+        .id             = -1,
+        .dev            = {
+                .platform_data  = &dns320_led_data,
+        },
+};
+
+static struct i2c_board_info dns325_i2c_board_info[] __initdata = {
+        {
+                I2C_BOARD_INFO("lm75", 0x48),
+        },
+        /* Something at 0x0c also */
+};
+
+static struct gpio_keys_button dnskw_button_pins[] = {
+        {
+                .code           = KEY_POWER,
+                .gpio           = 34,
+                .desc           = "Power button",
+                .active_low     = 1,
+        },
+        {
+                .code           = KEY_EJECTCD,
+                .gpio           = 47,
+                .desc           = "USB unmount button",
+                .active_low     = 1,
+        },
+        {
+                .code           = KEY_RESTART,
+                .gpio           = 48,
+                .desc           = "Reset button",
+                .active_low     = 1,
+        },
+};
+
+static struct gpio_keys_platform_data dnskw_button_data = {
+        .buttons        = dnskw_button_pins,
+        .nbuttons       = ARRAY_SIZE(dnskw_button_pins),
+};
+
+static struct platform_device dnskw_button_device = {
+        .name           = "gpio-keys",
+        .id             = -1,
+        .num_resources  = 0,
+        .dev            = {
+                .platform_data  = &dnskw_button_data,
+        }
+};
+
+/* Fan: ADDA AD045HB-G73 40mm 6000rpm@5v */
+static struct gpio_fan_speed dnskw_fan_speed[] = {
+        {    0,  0 },
+        { 3000,  1 },
+        { 6000,  2 },
+};
+static unsigned dnskw_fan_pins[] = {46, 45};
+
+static struct gpio_fan_platform_data dnskw_fan_data = {
+        .num_ctrl       = ARRAY_SIZE(dnskw_fan_pins),
+        .ctrl           = dnskw_fan_pins,
+        .num_speed      = ARRAY_SIZE(dnskw_fan_speed),
+        .speed          = dnskw_fan_speed,
+};
+
+static struct platform_device dnskw_fan_device = {
+        .name   = "gpio-fan",
+        .id     = -1,
+        .dev    = {
+                .platform_data  = &dnskw_fan_data,
+        },
+};
+
+static void dnskw_power_off(void)
+{
+        gpio_set_value(36, 1);
+}
+
+/* Register any GPIO for output and set the value */
+static void __init dnskw_gpio_register(unsigned gpio, char *name, int def)
+{
+        if (gpio_request(gpio, name) == 0 &&
+            gpio_direction_output(gpio, 0) == 0) {
+                gpio_set_value(gpio, def);
+                if (gpio_export(gpio, 0) != 0)
+                        pr_err("dnskw: Failed to export GPIO %s\n", name);
+        } else
+                pr_err("dnskw: Failed to register %s\n", name);
+}
+
+void __init dnskw_init(void)
+{
+        kirkwood_mpp_conf(dnskw_mpp_config);
+
+        kirkwood_ehci_init();
+        kirkwood_ge00_init(&dnskw_ge00_data);
+        kirkwood_sata_init(&dnskw_sata_data);
+        kirkwood_i2c_init();
+
+        platform_device_register(&dnskw_button_device);
+        platform_device_register(&dnskw_fan_device);
+
+        if (of_machine_is_compatible("dlink,dns-325")) {
+                i2c_register_board_info(0, dns325_i2c_board_info,
+                                        ARRAY_SIZE(dns325_i2c_board_info));
+                platform_device_register(&dns325_led_device);
+
+        } else if (of_machine_is_compatible("dlink,dns-320"))
+                platform_device_register(&dns320_led_device);
+
+        /* Register power-off GPIO. */
+        if (gpio_request(36, "dnskw:power:off") == 0
+            && gpio_direction_output(36, 0) == 0)
+                pm_power_off = dnskw_power_off;
+        else
+                pr_err("dnskw: failed to configure power-off GPIO\n");
+
+        /* Ensure power is supplied to both HDDs */
+        dnskw_gpio_register(39, "dnskw:power:sata0", 1);
+        dnskw_gpio_register(40, "dnskw:power:sata1", 1);
+
+        /* Set NAS to turn back on after a power failure */
+        dnskw_gpio_register(37, "dnskw:power:recover", 1);
+}