linux/arch/sh/boards/mach-x3proto/setup.c
Paul Mundt 2c237329f7 sh: mach-x3proto: gpio-keys support.
This adds gpio-keys mappings for the button matrix on the baseboard,
now that we have support for the pin controller.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-10-04 03:00:49 +09:00

274 lines
5.8 KiB
C

/*
* arch/sh/boards/mach-x3proto/setup.c
*
* Renesas SH-X3 Prototype Board Support.
*
* Copyright (C) 2007 - 2010 Paul Mundt
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*/
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/kernel.h>
#include <linux/io.h>
#include <linux/smc91x.h>
#include <linux/irq.h>
#include <linux/interrupt.h>
#include <linux/input.h>
#include <linux/usb/r8a66597.h>
#include <linux/usb/m66592.h>
#include <linux/gpio.h>
#include <linux/gpio_keys.h>
#include <mach/ilsel.h>
#include <mach/hardware.h>
#include <asm/smp-ops.h>
static struct resource heartbeat_resources[] = {
[0] = {
.start = 0xb8140020,
.end = 0xb8140020,
.flags = IORESOURCE_MEM,
},
};
static struct platform_device heartbeat_device = {
.name = "heartbeat",
.id = -1,
.num_resources = ARRAY_SIZE(heartbeat_resources),
.resource = heartbeat_resources,
};
static struct smc91x_platdata smc91x_info = {
.flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
};
static struct resource smc91x_resources[] = {
[0] = {
.start = 0x18000300,
.end = 0x18000300 + 0x10 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
/* Filled in by ilsel */
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device smc91x_device = {
.name = "smc91x",
.id = -1,
.resource = smc91x_resources,
.num_resources = ARRAY_SIZE(smc91x_resources),
.dev = {
.platform_data = &smc91x_info,
},
};
static struct r8a66597_platdata r8a66597_data = {
.xtal = R8A66597_PLATDATA_XTAL_12MHZ,
.vif = 1,
};
static struct resource r8a66597_usb_host_resources[] = {
[0] = {
.start = 0x18040000,
.end = 0x18080000 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
/* Filled in by ilsel */
.flags = IORESOURCE_IRQ | IRQF_TRIGGER_LOW,
},
};
static struct platform_device r8a66597_usb_host_device = {
.name = "r8a66597_hcd",
.id = -1,
.dev = {
.dma_mask = NULL, /* don't use dma */
.coherent_dma_mask = 0xffffffff,
.platform_data = &r8a66597_data,
},
.num_resources = ARRAY_SIZE(r8a66597_usb_host_resources),
.resource = r8a66597_usb_host_resources,
};
static struct m66592_platdata usbf_platdata = {
.xtal = M66592_PLATDATA_XTAL_24MHZ,
.vif = 1,
};
static struct resource m66592_usb_peripheral_resources[] = {
[0] = {
.name = "m66592_udc",
.start = 0x18080000,
.end = 0x180c0000 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.name = "m66592_udc",
/* Filled in by ilsel */
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device m66592_usb_peripheral_device = {
.name = "m66592_udc",
.id = -1,
.dev = {
.dma_mask = NULL, /* don't use dma */
.coherent_dma_mask = 0xffffffff,
.platform_data = &usbf_platdata,
},
.num_resources = ARRAY_SIZE(m66592_usb_peripheral_resources),
.resource = m66592_usb_peripheral_resources,
};
static struct gpio_keys_button baseboard_buttons[NR_BASEBOARD_GPIOS] = {
{
.desc = "key44",
.code = KEY_POWER,
.active_low = 1,
.wakeup = 1,
}, {
.desc = "key43",
.code = KEY_SUSPEND,
.active_low = 1,
.wakeup = 1,
}, {
.desc = "key42",
.code = KEY_KATAKANAHIRAGANA,
.active_low = 1,
}, {
.desc = "key41",
.code = KEY_SWITCHVIDEOMODE,
.active_low = 1,
}, {
.desc = "key34",
.code = KEY_F12,
.active_low = 1,
}, {
.desc = "key33",
.code = KEY_F11,
.active_low = 1,
}, {
.desc = "key32",
.code = KEY_F10,
.active_low = 1,
}, {
.desc = "key31",
.code = KEY_F9,
.active_low = 1,
}, {
.desc = "key24",
.code = KEY_F8,
.active_low = 1,
}, {
.desc = "key23",
.code = KEY_F7,
.active_low = 1,
}, {
.desc = "key22",
.code = KEY_F6,
.active_low = 1,
}, {
.desc = "key21",
.code = KEY_F5,
.active_low = 1,
}, {
.desc = "key14",
.code = KEY_F4,
.active_low = 1,
}, {
.desc = "key13",
.code = KEY_F3,
.active_low = 1,
}, {
.desc = "key12",
.code = KEY_F2,
.active_low = 1,
}, {
.desc = "key11",
.code = KEY_F1,
.active_low = 1,
},
};
static struct gpio_keys_platform_data baseboard_buttons_data = {
.buttons = baseboard_buttons,
.nbuttons = ARRAY_SIZE(baseboard_buttons),
};
static struct platform_device baseboard_buttons_device = {
.name = "gpio-keys",
.id = -1,
.dev = {
.platform_data = &baseboard_buttons_data,
},
};
static struct platform_device *x3proto_devices[] __initdata = {
&heartbeat_device,
&smc91x_device,
&r8a66597_usb_host_device,
&m66592_usb_peripheral_device,
&baseboard_buttons_device,
};
static void __init x3proto_init_irq(void)
{
plat_irq_setup_pins(IRQ_MODE_IRL3210);
/* Set ICR0.LVLMODE */
__raw_writel(__raw_readl(0xfe410000) | (1 << 21), 0xfe410000);
}
static int __init x3proto_devices_setup(void)
{
int ret, i;
/*
* IRLs are only needed for ILSEL mappings, so flip over the INTC
* pins at a later point to enable the GPIOs to settle.
*/
x3proto_init_irq();
/*
* Now that ILSELs are available, set up the baseboard GPIOs.
*/
ret = x3proto_gpio_setup();
if (unlikely(ret))
return ret;
/*
* Propagate dynamic GPIOs for the baseboard button device.
*/
for (i = 0; i < ARRAY_SIZE(baseboard_buttons); i++)
baseboard_buttons[i].gpio = x3proto_gpio_chip.base + i;
r8a66597_usb_host_resources[1].start =
r8a66597_usb_host_resources[1].end = ilsel_enable(ILSEL_USBH_I);
m66592_usb_peripheral_resources[1].start =
m66592_usb_peripheral_resources[1].end = ilsel_enable(ILSEL_USBP_I);
smc91x_resources[1].start =
smc91x_resources[1].end = ilsel_enable(ILSEL_LAN);
return platform_add_devices(x3proto_devices,
ARRAY_SIZE(x3proto_devices));
}
device_initcall(x3proto_devices_setup);
static void __init x3proto_setup(char **cmdline_p)
{
register_smp_ops(&shx3_smp_ops);
}
static struct sh_machine_vector mv_x3proto __initmv = {
.mv_name = "x3proto",
.mv_setup = x3proto_setup,
};