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/i2c.h>
14 #include <linux/gpio.h>
16 #include <asm/mach-types.h>
17 #include <asm/mach/arch.h>
18 #include <mach/kirkwood.h>
22 #define NSA310_GPIO_USB_POWER_OFF 21
23 #define NSA310_GPIO_POWER_OFF 48
25 static unsigned int nsa310_mpp_config[] __initdata = {
26 MPP12_GPIO, /* led esata green */
27 MPP13_GPIO, /* led esata red */
28 MPP15_GPIO, /* led usb green */
29 MPP16_GPIO, /* led usb red */
30 MPP21_GPIO, /* control usb power off */
31 MPP28_GPIO, /* led sys green */
32 MPP29_GPIO, /* led sys red */
33 MPP36_GPIO, /* key reset */
34 MPP37_GPIO, /* key copy */
35 MPP39_GPIO, /* led copy green */
36 MPP40_GPIO, /* led copy red */
37 MPP41_GPIO, /* led hdd green */
38 MPP42_GPIO, /* led hdd red */
40 MPP46_GPIO, /* key power */
41 MPP48_GPIO, /* control power off */
45 static struct i2c_board_info __initdata nsa310_i2c_info[] = {
46 { I2C_BOARD_INFO("adt7476", 0x2e) },
49 static void nsa310_power_off(void)
51 gpio_set_value(NSA310_GPIO_POWER_OFF, 1);
54 static int __init nsa310_gpio_request(unsigned int gpio, unsigned long flags,
59 err = gpio_request_one(gpio, flags, label);
61 pr_err("NSA-310: can't setup GPIO%u (%s), err=%d\n",
67 static void __init nsa310_gpio_init(void)
71 err = nsa310_gpio_request(NSA310_GPIO_POWER_OFF, GPIOF_OUT_INIT_LOW,
74 pm_power_off = nsa310_power_off;
76 nsa310_gpio_request(NSA310_GPIO_USB_POWER_OFF, GPIOF_OUT_INIT_LOW,
80 void __init nsa310_init(void)
84 kirkwood_mpp_conf(nsa310_mpp_config);
88 kirkwood_pcie_id(&dev, &rev);
90 i2c_register_board_info(0, ARRAY_AND_SIZE(nsa310_i2c_info));
93 static int __init nsa310_pci_init(void)
95 if (of_machine_is_compatible("zyxel,nsa310"))
96 kirkwood_pcie_init(KW_PCIE0);
101 subsys_initcall(nsa310_pci_init);