diff options
Diffstat (limited to 'arch/arm/mach-kirkwood')
| -rw-r--r-- | arch/arm/mach-kirkwood/Kconfig | 8 | ||||
| -rw-r--r-- | arch/arm/mach-kirkwood/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/mach-kirkwood/board-dt.c | 4 | ||||
| -rw-r--r-- | arch/arm/mach-kirkwood/board-nsa310.c | 105 | ||||
| -rw-r--r-- | arch/arm/mach-kirkwood/common.h | 6 |
5 files changed, 124 insertions, 0 deletions
diff --git a/arch/arm/mach-kirkwood/Kconfig b/arch/arm/mach-kirkwood/Kconfig index 1d5283f..a5b766e 100644 --- a/arch/arm/mach-kirkwood/Kconfig +++ b/arch/arm/mach-kirkwood/Kconfig @@ -259,6 +259,14 @@ config MACH_T5325 Say 'Y' here if you want your kernel to support the HP t5325 Thin Client. +config MACH_NSA310_DT + bool "ZyXEL NSA-310 (Flattened Device Tree)" + select ARCH_KIRKWOOD_DT + select ARM_ATAG_DTB_COMPAT + help + Say 'Y' here if you want your kernel to support the + ZyXEL NSA-310 board (Flattened Device Tree). + endmenu endif diff --git a/arch/arm/mach-kirkwood/Makefile b/arch/arm/mach-kirkwood/Makefile index d867b36..8f7a340 100644 --- a/arch/arm/mach-kirkwood/Makefile +++ b/arch/arm/mach-kirkwood/Makefile @@ -36,4 +36,5 @@ obj-$(CONFIG_MACH_NETSPACE_V2_DT) += board-ns2.o obj-$(CONFIG_MACH_NETSPACE_MAX_V2_DT) += board-ns2.o obj-$(CONFIG_MACH_NETSPACE_LITE_V2_DT) += board-ns2.o obj-$(CONFIG_MACH_NETSPACE_MINI_V2_DT) += board-ns2.o +obj-$(CONFIG_MACH_NSA310_DT) += board-nsa310.o obj-$(CONFIG_MACH_TOPKICK_DT) += board-usi_topkick.o diff --git a/arch/arm/mach-kirkwood/board-dt.c b/arch/arm/mach-kirkwood/board-dt.c index e0bb9ca..87c53d1 100644 --- a/arch/arm/mach-kirkwood/board-dt.c +++ b/arch/arm/mach-kirkwood/board-dt.c @@ -106,6 +106,9 @@ static void __init kirkwood_dt_init(void) if (of_machine_is_compatible("usi,topkick")) usi_topkick_init(); + if (of_machine_is_compatible("zyxel,nsa310")) + nsa310_init(); + of_platform_populate(NULL, kirkwood_dt_match_table, kirkwood_auxdata_lookup, NULL); } @@ -128,6 +131,7 @@ static const char *kirkwood_dt_board_compat[] = { "lacie,netspace_lite_v2", "lacie,netspace_mini_v2", "usi,topkick", + "zyxel,nsa310", NULL }; diff --git a/arch/arm/mach-kirkwood/board-nsa310.c b/arch/arm/mach-kirkwood/board-nsa310.c new file mode 100644 index 0000000..027ce83 --- /dev/null +++ b/arch/arm/mach-kirkwood/board-nsa310.c @@ -0,0 +1,105 @@ +/* + * 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(); + + /* this can be removed once the mainline kirkwood.dtsi gets + * the ehci configuration by default */ + kirkwood_ehci_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); diff --git a/arch/arm/mach-kirkwood/common.h b/arch/arm/mach-kirkwood/common.h index 276fc01..652a728 100644 --- a/arch/arm/mach-kirkwood/common.h +++ b/arch/arm/mach-kirkwood/common.h @@ -122,6 +122,12 @@ void ns2_init(void); static inline void ns2_init(void) {}; #endif +#ifdef CONFIG_MACH_NSA310_DT +void nsa310_init(void); +#else +static inline void nsa310_init(void) {}; +#endif + #ifdef CONFIG_MACH_TOPKICK_DT void usi_topkick_init(void); #else |