diff options
Diffstat (limited to 'arch/arm/mach-kirkwood/board-nsa310.c')
| -rw-r--r-- | arch/arm/mach-kirkwood/board-nsa310.c | 101 | 
1 files changed, 101 insertions, 0 deletions
diff --git a/arch/arm/mach-kirkwood/board-nsa310.c b/arch/arm/mach-kirkwood/board-nsa310.c new file mode 100644 index 00000000000..f58d2e1a404 --- /dev/null +++ b/arch/arm/mach-kirkwood/board-nsa310.c @@ -0,0 +1,101 @@ +/* + * arch/arm/mach-kirkwood/nsa-310-setup.c + * + * ZyXEL NSA-310 Setup + * + * 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/i2c.h> +#include <linux/gpio.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <mach/kirkwood.h> +#include "common.h" +#include "mpp.h" + +#define NSA310_GPIO_USB_POWER_OFF	21 +#define NSA310_GPIO_POWER_OFF		48 + +static unsigned int nsa310_mpp_config[] __initdata = { +	MPP12_GPIO, /* led esata green */ +	MPP13_GPIO, /* led esata red */ +	MPP15_GPIO, /* led usb green */ +	MPP16_GPIO, /* led usb red */ +	MPP21_GPIO, /* control usb power off */ +	MPP28_GPIO, /* led sys green */ +	MPP29_GPIO, /* led sys red */ +	MPP36_GPIO, /* key reset */ +	MPP37_GPIO, /* key copy */ +	MPP39_GPIO, /* led copy green */ +	MPP40_GPIO, /* led copy red */ +	MPP41_GPIO, /* led hdd green */ +	MPP42_GPIO, /* led hdd red */ +	MPP44_GPIO, /* ?? */ +	MPP46_GPIO, /* key power */ +	MPP48_GPIO, /* control power off */ +	0 +}; + +static struct i2c_board_info __initdata nsa310_i2c_info[] = { +	{ I2C_BOARD_INFO("adt7476", 0x2e) }, +}; + +static void nsa310_power_off(void) +{ +	gpio_set_value(NSA310_GPIO_POWER_OFF, 1); +} + +static int __init nsa310_gpio_request(unsigned int gpio, unsigned long flags, +				       const char *label) +{ +	int err; + +	err = gpio_request_one(gpio, flags, label); +	if (err) +		pr_err("NSA-310: can't setup GPIO%u (%s), err=%d\n", +			gpio, label, err); + +	return err; +} + +static void __init nsa310_gpio_init(void) +{ +	int err; + +	err = nsa310_gpio_request(NSA310_GPIO_POWER_OFF, GPIOF_OUT_INIT_LOW, +				  "Power Off"); +	if (!err) +		pm_power_off = nsa310_power_off; + +	nsa310_gpio_request(NSA310_GPIO_USB_POWER_OFF, GPIOF_OUT_INIT_LOW, +			    "USB Power Off"); +} + +void __init nsa310_init(void) +{ +	u32 dev, rev; + +	kirkwood_mpp_conf(nsa310_mpp_config); + +	nsa310_gpio_init(); + +	kirkwood_pcie_id(&dev, &rev); + +	i2c_register_board_info(0, ARRAY_AND_SIZE(nsa310_i2c_info)); +} + +static int __init nsa310_pci_init(void) +{ +	if (of_machine_is_compatible("zyxel,nsa310")) +		kirkwood_pcie_init(KW_PCIE0); + +	return 0; +} + +subsys_initcall(nsa310_pci_init);  |