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ARM: imx: dynamically allocate mxc_w1 devices 

Currently there is no platform data used in the driver.  In case this
changes NULL is passed unused to the soc specific functions.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
This commit is contained in:
Uwe Kleine-König 2010-10-29 10:56:07 +02:00
parent d96801b2ca
commit ae71a56222
19 changed files with 86 additions and 37 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
arch/arm/mach-imx/Kconfig
View File

@ -88,6 +88,7 @@ config MACH_MX27ADS
select IMX_HAVE_PLATFORM_IMX_I2C
select IMX_HAVE_PLATFORM_IMX_UART
select IMX_HAVE_PLATFORM_MXC_NAND
select IMX_HAVE_PLATFORM_MXC_W1
help
Include support for MX27ADS platform. This includes specific
configurations for the board and its peripherals.
@ -97,6 +98,7 @@ config MACH_PCM038
select IMX_HAVE_PLATFORM_IMX_I2C
select IMX_HAVE_PLATFORM_IMX_UART
select IMX_HAVE_PLATFORM_MXC_NAND
select IMX_HAVE_PLATFORM_MXC_W1
select IMX_HAVE_PLATFORM_SPI_IMX
select MXC_ULPI if USB_ULPI
help
@ -122,6 +124,7 @@ config MACH_CPUIMX27
select IMX_HAVE_PLATFORM_IMX_I2C
select IMX_HAVE_PLATFORM_IMX_UART
select IMX_HAVE_PLATFORM_MXC_NAND
select IMX_HAVE_PLATFORM_MXC_W1
select MXC_ULPI if USB_ULPI
help
Include support for Eukrea CPUIMX27 platform. This includes
@ -186,6 +189,7 @@ config MACH_PCA100
select IMX_HAVE_PLATFORM_IMX_SSI
select IMX_HAVE_PLATFORM_IMX_UART
select IMX_HAVE_PLATFORM_MXC_NAND
select IMX_HAVE_PLATFORM_MXC_W1
select IMX_HAVE_PLATFORM_SPI_IMX
select MXC_ULPI if USB_ULPI
help

4
arch/arm/mach-imx/devices-imx21.h
View File

@ -29,6 +29,10 @@ extern const struct imx_mxc_nand_data imx21_mxc_nand_data __initconst;
#define imx21_add_mxc_nand(pdata) \
imx_add_mxc_nand(&imx21_mxc_nand_data, pdata)
extern const struct imx_mxc_w1_data imx21_mxc_w1_data __initconst;
#define imx21_add_mxc_w1(pdata) \
imx_add_mxc_w1(&imx21_mxc_w1_data)
extern const struct imx_spi_imx_data imx21_cspi_data[] __initconst;
#define imx21_add_cspi(id, pdata) \
imx_add_spi_imx(&imx21_cspi_data[id], pdata)

4
arch/arm/mach-imx/devices-imx27.h
View File

@ -35,6 +35,10 @@ extern const struct imx_mxc_nand_data imx27_mxc_nand_data __initconst;
#define imx27_add_mxc_nand(pdata) \
imx_add_mxc_nand(&imx27_mxc_nand_data, pdata)
extern const struct imx_mxc_w1_data imx27_mxc_w1_data __initconst;
#define imx27_add_mxc_w1(pdata) \
imx_add_mxc_w1(&imx27_mxc_w1_data)
extern const struct imx_spi_imx_data imx27_cspi_data[] __initconst;
#define imx27_add_cspi(id, pdata) \
imx_add_spi_imx(&imx27_cspi_data[id], pdata)

15
arch/arm/mach-imx/devices.c
View File

@ -270,21 +270,6 @@ struct platform_device mxc_wdt = {
.resource = mxc_wdt_resources,
};
static struct resource mxc_w1_master_resources[] = {
{
.start = MX2x_OWIRE_BASE_ADDR,
.end = MX2x_OWIRE_BASE_ADDR + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
};
struct platform_device mxc_w1_master_device = {
.name = "mxc_w1",
.id = 0,
.num_resources = ARRAY_SIZE(mxc_w1_master_resources),
.resource = mxc_w1_master_resources,
};
/*
* lcdc:
* - i.MX1: the basic controller

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

@ -14,7 +14,6 @@ extern struct platform_device mxc_gpt4;
extern struct platform_device mxc_gpt5;
#endif
extern struct platform_device mxc_wdt;
extern struct platform_device mxc_w1_master_device;
extern struct platform_device mxc_fb_device;
extern struct platform_device mxc_pwm_device;
extern struct platform_device mxc_sdhc_device0;

2
arch/arm/mach-imx/mach-cpuimx27.c
View File

@ -158,7 +158,6 @@ cpuimx27_nand_board_info __initconst = {
static struct platform_device *platform_devices[] __initdata = {
&eukrea_cpuimx27_nor_mtd_device,
&mxc_wdt,
&mxc_w1_master_device,
};
static const struct imxi2c_platform_data cpuimx27_i2c1_data __initconst = {
@ -262,6 +261,7 @@ static void __init eukrea_cpuimx27_init(void)
imx27_add_fec(NULL);
platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
imx27_add_mxc_w1(NULL);
#if defined(CONFIG_MACH_EUKREA_CPUIMX27_USESDHC2)
/* SDHC2 can be used for Wifi */

2
arch/arm/mach-imx/mach-mx27ads.c
View File

@ -284,7 +284,6 @@ static struct imxmmc_platform_data sdhc2_pdata = {
static struct platform_device *platform_devices[] __initdata = {
&mx27ads_nor_mtd_device,
&mxc_w1_master_device,
};
static const struct imxuart_platform_data uart_pdata __initconst = {
@ -314,6 +313,7 @@ static void __init mx27ads_board_init(void)
imx27_add_fec(NULL);
platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
imx27_add_mxc_w1(NULL);
}
static void __init mx27ads_timer_init(void)

2
arch/arm/mach-imx/mach-pca100.c
View File

@ -172,7 +172,6 @@ pca100_nand_board_info __initconst = {
};
static struct platform_device *platform_devices[] __initdata = {
&mxc_w1_master_device,
&mxc_wdt,
};
@ -434,6 +433,7 @@ static void __init pca100_init(void)
imx27_add_fec(NULL);
platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
imx27_add_mxc_w1(NULL);
}
static void __init pca100_timer_init(void)

2
arch/arm/mach-imx/mach-pcm038.c
View File

@ -172,7 +172,6 @@ pcm038_nand_board_info __initconst = {
static struct platform_device *platform_devices[] __initdata = {
&pcm038_nor_mtd_device,
&mxc_w1_master_device,
&pcm038_sram_mtd_device,
&mxc_wdt,
};
@ -326,6 +325,7 @@ static void __init pcm038_init(void)
imx27_add_fec(NULL);
platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
imx27_add_mxc_w1(NULL);
#ifdef CONFIG_MACH_PCM970_BASEBOARD
pcm970_baseboard_init();

1
arch/arm/mach-mx3/Kconfig
View File

@ -41,6 +41,7 @@ config MACH_PCM037
select IMX_HAVE_PLATFORM_IMX_I2C
select IMX_HAVE_PLATFORM_IMX_UART
select IMX_HAVE_PLATFORM_MXC_NAND
select IMX_HAVE_PLATFORM_MXC_W1
select MXC_ULPI if USB_ULPI
help
Include support for Phytec pcm037 platform. This includes

4
arch/arm/mach-mx3/devices-imx31.h
View File

@ -33,6 +33,10 @@ extern const struct imx_mxc_nand_data imx31_mxc_nand_data __initconst;
#define imx31_add_mxc_nand(pdata) \
imx_add_mxc_nand(&imx31_mxc_nand_data, pdata)
extern const struct imx_mxc_w1_data imx31_mxc_w1_data __initconst;
#define imx31_add_mxc_w1(pdata) \
imx_add_mxc_w1(&imx31_mxc_w1_data)
extern const struct imx_spi_imx_data imx31_cspi_data[] __initconst;
#define imx31_add_cspi(id, pdata) \
imx_add_spi_imx(&imx31_cspi_data[id], pdata)

4
arch/arm/mach-mx3/devices-imx35.h
View File

@ -40,6 +40,10 @@ extern const struct imx_mxc_nand_data imx35_mxc_nand_data __initconst;
#define imx35_add_mxc_nand(pdata) \
imx_add_mxc_nand(&imx35_mxc_nand_data, pdata)
extern const struct imx_mxc_w1_data imx35_mxc_w1_data __initconst;
#define imx35_add_mxc_w1(pdata) \
imx_add_mxc_w1(&imx35_mxc_w1_data)
extern const struct imx_spi_imx_data imx35_cspi_data[] __initconst;
#define imx35_add_cspi(id, pdata) \
imx_add_spi_imx(&imx35_cspi_data[id], pdata)

15
arch/arm/mach-mx3/devices.c
View File

@ -54,21 +54,6 @@ int __init imx3x_register_gpios(void)
return mxc_gpio_init(imx_gpio_ports, ARRAY_SIZE(imx_gpio_ports));
}
static struct resource mxc_w1_master_resources[] = {
{
.start = MX3x_OWIRE_BASE_ADDR,
.end = MX3x_OWIRE_BASE_ADDR + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
};
struct platform_device mxc_w1_master_device = {
.name = "mxc_w1",
.id = 0,
.num_resources = ARRAY_SIZE(mxc_w1_master_resources),
.resource = mxc_w1_master_resources,
};
#ifdef CONFIG_ARCH_MX31
static struct resource mxcsdhc0_resources[] = {
{

1
arch/arm/mach-mx3/devices.h
View File

@ -1,4 +1,3 @@
extern struct platform_device mxc_w1_master_device;
extern struct platform_device mx3_ipu;
extern struct platform_device mx3_fb;
extern struct platform_device mx3_camera;

2
arch/arm/mach-mx3/mach-pcm037.c
View File

@ -614,7 +614,7 @@ static void __init mxc_board_init(void)
imx31_add_imx_uart1(&uart_pdata);
imx31_add_imx_uart2(&uart_pdata);
mxc_register_device(&mxc_w1_master_device, NULL);
imx31_add_mxc_w1(NULL);
/* LAN9217 IRQ pin */
ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_GPIO3_1), "lan9217-irq");

3
arch/arm/plat-mxc/devices/Kconfig
View File

@ -25,5 +25,8 @@ config IMX_HAVE_PLATFORM_IMX_UART
config IMX_HAVE_PLATFORM_MXC_NAND
bool
config IMX_HAVE_PLATFORM_MXC_W1
bool
config IMX_HAVE_PLATFORM_SPI_IMX
bool

1
arch/arm/plat-mxc/devices/Makefile
View File

@ -7,4 +7,5 @@ obj-$(CONFIG_IMX_HAVE_PLATFORM_IMX_I2C) += platform-imx-i2c.o
obj-$(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_MXC_NAND) += platform-mxc_nand.o
obj-$(CONFIG_IMX_HAVE_PLATFORM_MXC_W1) += platform-mxc_w1.o
obj-$(CONFIG_IMX_HAVE_PLATFORM_SPI_IMX) += platform-spi_imx.o

50
arch/arm/plat-mxc/devices/platform-mxc_w1.c Normal file
View File

@ -0,0 +1,50 @@
/*
* 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_mxc_w1_data_entry_single(soc) \
{ \
.iobase = soc ## _OWIRE_BASE_ADDR, \
}
#ifdef CONFIG_SOC_IMX21
const struct imx_mxc_w1_data imx21_mxc_w1_data __initconst =
imx_mxc_w1_data_entry_single(MX21);
#endif /* ifdef CONFIG_SOC_IMX21 */
#ifdef CONFIG_SOC_IMX27
const struct imx_mxc_w1_data imx27_mxc_w1_data __initconst =
imx_mxc_w1_data_entry_single(MX27);
#endif /* ifdef CONFIG_SOC_IMX27 */
#ifdef CONFIG_ARCH_MX31
const struct imx_mxc_w1_data imx31_mxc_w1_data __initconst =
imx_mxc_w1_data_entry_single(MX31);
#endif /* ifdef CONFIG_ARCH_MX31 */
#ifdef CONFIG_ARCH_MX35
const struct imx_mxc_w1_data imx35_mxc_w1_data __initconst =
imx_mxc_w1_data_entry_single(MX35);
#endif /* ifdef CONFIG_ARCH_MX35 */
struct platform_device *__init imx_add_mxc_w1(
const struct imx_mxc_w1_data *data)
{
struct resource res[] = {
{
.start = data->iobase,
.end = data->iobase + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
};
return imx_add_platform_device("mxc_w1", 0,
res, ARRAY_SIZE(res), NULL, 0);
}

6
arch/arm/plat-mxc/include/mach/devices-common.h
View File

@ -99,6 +99,12 @@ struct platform_device *__init imx_add_mxc_nand(
const struct imx_mxc_nand_data *data,
const struct mxc_nand_platform_data *pdata);
struct imx_mxc_w1_data {
resource_size_t iobase;
};
struct platform_device *__init imx_add_mxc_w1(
const struct imx_mxc_w1_data *data);
#include <mach/spi.h>
struct imx_spi_imx_data {
const char *devid;