diff options
Diffstat (limited to 'arch/arm/mach-kirkwood/board-dnskw.c')
-rw-r--r-- | arch/arm/mach-kirkwood/board-dnskw.c | 132 |
1 files changed, 132 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..4ab35065a144 --- /dev/null +++ b/arch/arm/mach-kirkwood/board-dnskw.c @@ -0,0 +1,132 @@ +/* + * 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/ata_platform.h> +#include <linux/mv643xx_eth.h> +#include <linux/of.h> +#include <linux/gpio.h> +#include <linux/input.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 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 +}; + +/* 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); + + platform_device_register(&dnskw_fan_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); +} |