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 000000000000..f58d2e1a4042 --- /dev/null +++ b/arch/arm/mach-kirkwood/board-nsa310.c | |||
@@ -0,0 +1,101 @@ | |||
1 | /* | ||
2 | * arch/arm/mach-kirkwood/nsa-310-setup.c | ||
3 | * | ||
4 | * ZyXEL NSA-310 Setup | ||
5 | * | ||
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. | ||
9 | */ | ||
10 | |||
11 | #include <linux/kernel.h> | ||
12 | #include <linux/init.h> | ||
13 | #include <linux/i2c.h> | ||
14 | #include <linux/gpio.h> | ||
15 | |||
16 | #include <asm/mach-types.h> | ||
17 | #include <asm/mach/arch.h> | ||
18 | #include <mach/kirkwood.h> | ||
19 | #include "common.h" | ||
20 | #include "mpp.h" | ||
21 | |||
22 | #define NSA310_GPIO_USB_POWER_OFF 21 | ||
23 | #define NSA310_GPIO_POWER_OFF 48 | ||
24 | |||
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 */ | ||
39 | MPP44_GPIO, /* ?? */ | ||
40 | MPP46_GPIO, /* key power */ | ||
41 | MPP48_GPIO, /* control power off */ | ||
42 | 0 | ||
43 | }; | ||
44 | |||
45 | static struct i2c_board_info __initdata nsa310_i2c_info[] = { | ||
46 | { I2C_BOARD_INFO("adt7476", 0x2e) }, | ||
47 | }; | ||
48 | |||
49 | static void nsa310_power_off(void) | ||
50 | { | ||
51 | gpio_set_value(NSA310_GPIO_POWER_OFF, 1); | ||
52 | } | ||
53 | |||
54 | static int __init nsa310_gpio_request(unsigned int gpio, unsigned long flags, | ||
55 | const char *label) | ||
56 | { | ||
57 | int err; | ||
58 | |||
59 | err = gpio_request_one(gpio, flags, label); | ||
60 | if (err) | ||
61 | pr_err("NSA-310: can't setup GPIO%u (%s), err=%d\n", | ||
62 | gpio, label, err); | ||
63 | |||
64 | return err; | ||
65 | } | ||
66 | |||
67 | static void __init nsa310_gpio_init(void) | ||
68 | { | ||
69 | int err; | ||
70 | |||
71 | err = nsa310_gpio_request(NSA310_GPIO_POWER_OFF, GPIOF_OUT_INIT_LOW, | ||
72 | "Power Off"); | ||
73 | if (!err) | ||
74 | pm_power_off = nsa310_power_off; | ||
75 | |||
76 | nsa310_gpio_request(NSA310_GPIO_USB_POWER_OFF, GPIOF_OUT_INIT_LOW, | ||
77 | "USB Power Off"); | ||
78 | } | ||
79 | |||
80 | void __init nsa310_init(void) | ||
81 | { | ||
82 | u32 dev, rev; | ||
83 | |||
84 | kirkwood_mpp_conf(nsa310_mpp_config); | ||
85 | |||
86 | nsa310_gpio_init(); | ||
87 | |||
88 | kirkwood_pcie_id(&dev, &rev); | ||
89 | |||
90 | i2c_register_board_info(0, ARRAY_AND_SIZE(nsa310_i2c_info)); | ||
91 | } | ||
92 | |||
93 | static int __init nsa310_pci_init(void) | ||
94 | { | ||
95 | if (of_machine_is_compatible("zyxel,nsa310")) | ||
96 | kirkwood_pcie_init(KW_PCIE0); | ||
97 | |||
98 | return 0; | ||
99 | } | ||
100 | |||
101 | subsys_initcall(nsa310_pci_init); | ||