diff options
| author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2010-10-29 10:56:07 +0200 |
|---|---|---|
| committer | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2010-11-17 08:58:13 +0100 |
| commit | ae71a5622253708aa08df231e6415fe7a1e96b10 (patch) | |
| tree | 4ff6463e9ab3392af9aa5aeb5b0016ec02da2bdb /arch/arm/plat-mxc/devices | |
| parent | d96801b2ca47cfeddadede7a1998e1fe0eab095c (diff) | |
| download | blackbird-op-linux-ae71a5622253708aa08df231e6415fe7a1e96b10.tar.gz blackbird-op-linux-ae71a5622253708aa08df231e6415fe7a1e96b10.zip | |
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>
Diffstat (limited to 'arch/arm/plat-mxc/devices')
| -rw-r--r-- | arch/arm/plat-mxc/devices/Kconfig | 3 | ||||
| -rw-r--r-- | arch/arm/plat-mxc/devices/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/plat-mxc/devices/platform-mxc_w1.c | 50 |
3 files changed, 54 insertions, 0 deletions
diff --git a/arch/arm/plat-mxc/devices/Kconfig b/arch/arm/plat-mxc/devices/Kconfig index 9aa6f3ea9012..fb664670c101 100644 --- a/arch/arm/plat-mxc/devices/Kconfig +++ b/arch/arm/plat-mxc/devices/Kconfig @@ -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 diff --git a/arch/arm/plat-mxc/devices/Makefile b/arch/arm/plat-mxc/devices/Makefile index 45aefeb283ba..1d7d39201622 100644 --- a/arch/arm/plat-mxc/devices/Makefile +++ b/arch/arm/plat-mxc/devices/Makefile @@ -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 diff --git a/arch/arm/plat-mxc/devices/platform-mxc_w1.c b/arch/arm/plat-mxc/devices/platform-mxc_w1.c new file mode 100644 index 000000000000..1355237391fc --- /dev/null +++ b/arch/arm/plat-mxc/devices/platform-mxc_w1.c @@ -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); +} |
