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ARM: imx: dynamically allocate imx-keypad devices 

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
This commit is contained in:
Uwe Kleine-König 2010-11-10 09:58:56 +01:00
parent bd455ed36c
commit 3f880141b8
11 changed files with 74 additions and 26 deletions
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2
arch/arm/mach-imx/Kconfig
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@ -163,6 +163,7 @@ choice
config MACH_EUKREA_MBIMX27_BASEBOARD
bool "Eukrea MBIMX27 development board"
select IMX_HAVE_PLATFORM_IMX_FB
select IMX_HAVE_PLATFORM_IMX_KEYPAD
select IMX_HAVE_PLATFORM_IMX_SSI
select IMX_HAVE_PLATFORM_IMX_UART
select IMX_HAVE_PLATFORM_MXC_MMC
@ -175,6 +176,7 @@ endchoice
config MACH_MX27_3DS
bool "MX27PDK platform"
select IMX_HAVE_PLATFORM_IMX_KEYPAD
select IMX_HAVE_PLATFORM_IMX_UART
select IMX_HAVE_PLATFORM_MXC_MMC
help

4
arch/arm/mach-imx/devices-imx21.h
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@ -21,6 +21,10 @@ extern const struct imx_imx_i2c_data imx21_imx_i2c_data __initconst;
#define imx21_add_imx_i2c(pdata) \
imx_add_imx_i2c(&imx21_imx_i2c_data, pdata)
extern const struct imx_imx_keypad_data imx21_imx_keypad_data __initconst;
#define imx21_add_imx_keypad(pdata) \
imx_add_imx_keypad(&imx21_imx_keypad_data, pdata)
extern const struct imx_imx_ssi_data imx21_imx_ssi_data[] __initconst;
#define imx21_add_imx_ssi(id, pdata) \
imx_add_imx_ssi(&imx21_imx_ssi_data[id], pdata)

4
arch/arm/mach-imx/devices-imx27.h
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@ -29,6 +29,10 @@ extern const struct imx_imx_i2c_data imx27_imx_i2c_data[] __initconst;
#define imx27_add_imx_i2c(id, pdata) \
imx_add_imx_i2c(&imx27_imx_i2c_data[id], pdata)
extern const struct imx_imx_keypad_data imx27_imx_keypad_data __initconst;
#define imx27_add_imx_keypad(pdata) \
imx_add_imx_keypad(&imx27_imx_keypad_data, pdata)
extern const struct imx_imx_ssi_data imx27_imx_ssi_data[] __initconst;
#define imx27_add_imx_ssi(id, pdata) \
imx_add_imx_ssi(&imx27_imx_ssi_data[id], pdata)

19
arch/arm/mach-imx/devices.c
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@ -149,23 +149,4 @@ struct platform_device mx21_usbhc_device = {
};
#endif
static struct resource imx_kpp_resources[] = {
{
.start = MX2x_KPP_BASE_ADDR,
.end = MX2x_KPP_BASE_ADDR + 0xf,
.flags = IORESOURCE_MEM
}, {
.start = MX2x_INT_KPP,
.end = MX2x_INT_KPP,
.flags = IORESOURCE_IRQ,
},
};
struct platform_device imx_kpp_device = {
.name = "imx-keypad",
.id = -1,
.num_resources = ARRAY_SIZE(imx_kpp_resources),
.resource = imx_kpp_resources,
};
#endif

1
arch/arm/mach-imx/devices.h
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@ -1,4 +1,3 @@
#if defined(CONFIG_MACH_MX21) || defined(CONFIG_MACH_MX27)
extern struct platform_device mx21_usbhc_device;
extern struct platform_device imx_kpp_device;
#endif

6
arch/arm/mach-imx/eukrea_mbimx27-baseboard.c
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@ -26,7 +26,6 @@
#include <linux/spi/ads7846.h>
#include <linux/backlight.h>
#include <video/platform_lcd.h>
#include <linux/input/matrix_keypad.h>
#include <asm/mach/arch.h>
@ -109,7 +108,8 @@ static const uint32_t eukrea_mbimx27_keymap[] = {
KEY(1, 1, KEY_LEFT),
};
static struct matrix_keymap_data eukrea_mbimx27_keymap_data = {
static const struct matrix_keymap_data
eukrea_mbimx27_keymap_data __initconst = {
.keymap = eukrea_mbimx27_keymap,
.keymap_size = ARRAY_SIZE(eukrea_mbimx27_keymap),
};
@ -384,7 +384,7 @@ void __init eukrea_mbimx27_baseboard_init(void)
gpio_request(GPIO_PORTA | 25, "lcd_enable");
platform_device_register(&eukrea_mbimx27_lcd_powerdev);
mxc_register_device(&imx_kpp_device, &eukrea_mbimx27_keymap_data);
imx27_add_imx_keypad(&eukrea_mbimx27_keymap_data);
platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
}

5
arch/arm/mach-imx/mach-mx27_3ds.c
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@ -22,7 +22,6 @@
#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <linux/input/matrix_keypad.h>
#include <linux/irq.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@ -91,7 +90,7 @@ static const uint32_t mx27_3ds_keymap[] = {
KEY(2, 3, KEY_F10),
};
static struct matrix_keymap_data mx27_3ds_keymap_data = {
static const struct matrix_keymap_data mx27_3ds_keymap_data __initconst = {
.keymap = mx27_3ds_keymap,
.keymap_size = ARRAY_SIZE(mx27_3ds_keymap),
};
@ -127,7 +126,7 @@ static void __init mx27pdk_init(void)
mx27_3ds_sdhc1_enable_level_translator();
imx27_add_imx_uart0(&uart_pdata);
imx27_add_fec(NULL);
mxc_register_device(&imx_kpp_device, &mx27_3ds_keymap_data);
imx27_add_imx_keypad(&mx27_3ds_keymap_data);
imx27_add_mxc_mmc(0, &sdhc1_pdata);
}

3
arch/arm/plat-mxc/devices/Kconfig
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@ -25,6 +25,9 @@ config IMX_HAVE_PLATFORM_IMX_FB
config IMX_HAVE_PLATFORM_IMX_I2C
bool
config IMX_HAVE_PLATFORM_IMX_KEYPAD
bool
config IMX_HAVE_PLATFORM_IMX_SSI
bool

1
arch/arm/plat-mxc/devices/Makefile
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@ -7,6 +7,7 @@ obj-$(CONFIG_IMX_HAVE_PLATFORM_IMX2_WDT) += platform-imx2-wdt.o
obj-y += platform-imx-dma.o
obj-$(CONFIG_IMX_HAVE_PLATFORM_IMX_FB) += platform-imx-fb.o
obj-$(CONFIG_IMX_HAVE_PLATFORM_IMX_I2C) += platform-imx-i2c.o
obj-$(CONFIG_IMX_HAVE_PLATFORM_IMX_KEYPAD) += platform-imx-keypad.o
obj-$(CONFIG_IMX_HAVE_PLATFORM_IMX_SSI) += platform-imx-ssi.o
obj-$(CONFIG_IMX_HAVE_PLATFORM_IMX_UART) += platform-imx-uart.o
obj-$(CONFIG_IMX_HAVE_PLATFORM_IMX_UDC) += platform-imx_udc.o

46
arch/arm/plat-mxc/devices/platform-imx-keypad.c Normal file
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@ -0,0 +1,46 @@
/*
* Copyright (C) 2010 Pengutronix
* Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License version 2 as published by the
* Free Software Foundation.
*/
#include <mach/hardware.h>
#include <mach/devices-common.h>
#define imx_imx_keypad_data_entry_single(soc) \
{ \
.iobase = soc ## _KPP_BASE_ADDR, \
.irq = soc ## _INT_KPP, \
}
#ifdef CONFIG_SOC_IMX21
const struct imx_imx_keypad_data imx21_imx_keypad_data __initconst =
imx_imx_keypad_data_entry_single(MX21);
#endif /* ifdef CONFIG_SOC_IMX21 */
#ifdef CONFIG_SOC_IMX27
const struct imx_imx_keypad_data imx27_imx_keypad_data __initconst =
imx_imx_keypad_data_entry_single(MX27);
#endif /* ifdef CONFIG_SOC_IMX27 */
struct platform_device *__init imx_add_imx_keypad(
const struct imx_imx_keypad_data *data,
const struct matrix_keymap_data *pdata)
{
struct resource res[] = {
{
.start = data->iobase,
.end = data->iobase + SZ_16 - 1,
.flags = IORESOURCE_MEM,
}, {
.start = data->irq,
.end = data->irq,
.flags = IORESOURCE_IRQ,
},
};
return imx_add_platform_device("imx-keypad", -1,
res, ARRAY_SIZE(res), pdata, sizeof(*pdata));
}

9
arch/arm/plat-mxc/include/mach/devices-common.h
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@ -83,6 +83,15 @@ struct platform_device *__init imx_add_imx_i2c(
const struct imx_imx_i2c_data *data,
const struct imxi2c_platform_data *pdata);
#include <linux/input/matrix_keypad.h>
struct imx_imx_keypad_data {
resource_size_t iobase;
resource_size_t irq;
};
struct platform_device *__init imx_add_imx_keypad(
const struct imx_imx_keypad_data *data,
const struct matrix_keymap_data *pdata);
#include <mach/ssi.h>
struct imx_imx_ssi_data {
int id;