summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-kirkwood/board-dnskw.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-kirkwood/board-dnskw.c')
-rw-r--r--arch/arm/mach-kirkwood/board-dnskw.c275
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 0000000..58c2d68
--- /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);
+}