2 * arch/arm/mach-kirkwood/nsa-310-setup.c
6 * This file is licensed under the terms of the GNU General Public
7 * License version 2. This program is licensed "as is" without any
8 * warranty of any kind, whether express or implied.
11 #include <linux/kernel.h>
12 #include <linux/init.h>
13 #include <linux/gpio.h>
14 #include <mach/kirkwood.h>
19 #define NSA310_GPIO_USB_POWER_OFF 21
20 #define NSA310_GPIO_POWER_OFF 48
22 static unsigned int nsa310_mpp_config[] __initdata = {
23 MPP12_GPIO, /* led esata green */
24 MPP13_GPIO, /* led esata red */
25 MPP15_GPIO, /* led usb green */
26 MPP16_GPIO, /* led usb red */
27 MPP21_GPIO, /* control usb power off */
28 MPP28_GPIO, /* led sys green */
29 MPP29_GPIO, /* led sys red */
30 MPP36_GPIO, /* key reset */
31 MPP37_GPIO, /* key copy */
32 MPP39_GPIO, /* led copy green */
33 MPP40_GPIO, /* led copy red */
34 MPP41_GPIO, /* led hdd green */
35 MPP42_GPIO, /* led hdd red */
37 MPP46_GPIO, /* key power */
38 MPP48_GPIO, /* control power off */
42 static struct i2c_board_info __initdata nsa310_i2c_info[] = {
43 { I2C_BOARD_INFO("adt7476", 0x2e) },
46 static void nsa310_power_off(void)
48 gpio_set_value(NSA310_GPIO_POWER_OFF, 1);
51 static int __init nsa310_gpio_request(unsigned int gpio, unsigned long flags,
56 err = gpio_request_one(gpio, flags, label);
58 pr_err("NSA-310: can't setup GPIO%u (%s), err=%d\n",
64 static void __init nsa310_gpio_init(void)
68 err = nsa310_gpio_request(NSA310_GPIO_POWER_OFF, GPIOF_OUT_INIT_LOW,
71 pm_power_off = nsa310_power_off;
73 nsa310_gpio_request(NSA310_GPIO_USB_POWER_OFF, GPIOF_OUT_INIT_LOW,
77 void __init nsa310_init(void)
79 kirkwood_mpp_conf(nsa310_mpp_config);
83 i2c_register_board_info(0, ARRAY_AND_SIZE(nsa310_i2c_info));
86 static int __init nsa310_pci_init(void)
88 if (of_machine_is_compatible("zyxel,nsa310"))
89 kirkwood_pcie_init(KW_PCIE0);
94 subsys_initcall(nsa310_pci_init);