diff options
Diffstat (limited to 'arch/arm/plat-mxc/devices/platform-mxc_w1.c')
| -rw-r--r-- | arch/arm/plat-mxc/devices/platform-mxc_w1.c | 50 |
1 files changed, 50 insertions, 0 deletions
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); +} |