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ARM: imx: dynamically register imx-i2c devices (imx1)

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Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
This commit is contained in:
Uwe Kleine-König 2010-06-16 15:26:07 +02:00
parent 99a754d8ee
commit 6348e6b54e
6 changed files with 19 additions and 24 deletions
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1
arch/arm/mach-imx/Kconfig
View file

@ -16,6 +16,7 @@ config MACH_MXLADS
config ARCH_MX1ADS
bool "MX1ADS platform"
select MACH_MXLADS
select IMX_HAVE_PLATFORM_IMX_I2C
help
Say Y here if you are using Motorola MX1ADS/MXLADS boards

13
arch/arm/mach-imx/devices-imx1.h Normal file
View file

@ -0,0 +1,13 @@
/*
* 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/mx1.h>
#include <mach/devices-common.h>
#define imx1_add_i2c_imx(pdata) \
imx_add_imx_i2c(0, MX1_I2C_BASE_ADDR, SZ_4K, MX1_INT_I2C, pdata)

19
arch/arm/mach-imx/devices.c
View file

@ -70,25 +70,6 @@ struct platform_device imx1_camera_device = {
.num_resources = ARRAY_SIZE(imx1_camera_resources),
};
static struct resource imx_i2c_resources[] = {
{
.start = 0x00217000,
.end = 0x00217010,
.flags = IORESOURCE_MEM,
}, {
.start = MX1_I2C_INT,
.end = MX1_I2C_INT,
.flags = IORESOURCE_IRQ,
},
};
struct platform_device imx_i2c_device0 = {
.name = "imx-i2c",
.id = 0,
.resource = imx_i2c_resources,
.num_resources = ARRAY_SIZE(imx_i2c_resources),
};
#define DEFINE_IMX1_UART_DEVICE(n, baseaddr, irqrx, irqtx, irqrts) \
static struct resource imx1_uart_resources ## n[] = { \
{ \

1
arch/arm/mach-imx/devices.h
View file

@ -1,6 +1,5 @@
#ifdef CONFIG_ARCH_MX1
extern struct platform_device imx1_camera_device;
extern struct platform_device imx_i2c_device0;
extern struct platform_device imx1_uart_device0;
extern struct platform_device imx1_uart_device1;
extern struct platform_device imx_rtc_device;

5
arch/arm/mach-imx/mach-mx1ads.c
View file

@ -30,6 +30,7 @@
#include <mach/iomux-mx1.h>
#include <mach/irqs.h>
#include "devices-imx1.h"
#include "devices.h"
static int mx1ads_pins[] = {
@ -98,7 +99,7 @@ static struct pcf857x_platform_data pcf857x_data[] = {
}
};
static struct imxi2c_platform_data mx1ads_i2c_data = {
static const struct imxi2c_platform_data mx1ads_i2c_data __initconst = {
.bitrate = 100000,
};
@ -131,7 +132,7 @@ static void __init mx1ads_init(void)
i2c_register_board_info(0, mx1ads_i2c_devices,
ARRAY_SIZE(mx1ads_i2c_devices));
mxc_register_device(&imx_i2c_device0, &mx1ads_i2c_data);
imx1_add_i2c_imx(&mx1ads_i2c_data);
}
static void __init mx1ads_timer_init(void)

4
arch/arm/plat-mxc/include/mach/mx1.h
View file

@ -108,7 +108,7 @@
#define MX1_PEN_DATA_INT 33
#define MX1_PWM_INT 34
#define MX1_SDHC_INT 35
#define MX1_I2C_INT 39
#define MX1_INT_I2C 39
#define MX1_CSPI_INT 41
#define MX1_SSI_TX_INT 42
#define MX1_SSI_TX_ERR_INT 43
@ -245,7 +245,7 @@
#define PEN_DATA_INT MX1_PEN_DATA_INT
#define PWM_INT MX1_PWM_INT
#define SDHC_INT MX1_SDHC_INT
#define I2C_INT MX1_I2C_INT
#define I2C_INT MX1_INT_I2C
#define CSPI_INT MX1_CSPI_INT
#define SSI_TX_INT MX1_SSI_TX_INT
#define SSI_TX_ERR_INT MX1_SSI_TX_ERR_INT