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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>
hifive-unleashed-5.1
Paul Mundt 2010-10-04 03:00:49 +09:00
parent 550591143e
commit 2c237329f7
1 changed files with 105 additions and 2 deletions
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107
arch/sh/boards/mach-x3proto/setup.c
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@ -1,9 +1,9 @@
/*
* arch/sh/boards/renesas/x3proto/setup.c
* arch/sh/boards/mach-x3proto/setup.c
*
* Renesas SH-X3 Prototype Board Support.
*
* Copyright (C) 2007 - 2008 Paul Mundt
* 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
@ -16,9 +16,13 @@
#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[] = {
@ -122,11 +126,95 @@ static struct platform_device m66592_usb_peripheral_device = {
.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)
@ -139,12 +227,27 @@ static void __init x3proto_init_irq(void)
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);