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Diffstat (limited to 'arch/arm/plat-mxc/devices/platform-mxc_w1.c')
-rw-r--r--arch/arm/plat-mxc/devices/platform-mxc_w1.c50
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..96fa5ea91fe8
--- /dev/null
+++ b/arch/arm/plat-mxc/devices/platform-mxc_w1.c
@@ -0,0 +1,50 @@
1/*
2 * Copyright (C) 2010 Pengutronix
3 * Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
4 *
5 * This program is free software; you can redistribute it and/or modify it under
6 * the terms of the GNU General Public License version 2 as published by the
7 * Free Software Foundation.
8 */
9#include <mach/hardware.h>
10#include <mach/devices-common.h>
11
12#define imx_mxc_w1_data_entry_single(soc) \
13 { \
14 .iobase = soc ## _OWIRE_BASE_ADDR, \
15 }
16
17#ifdef CONFIG_SOC_IMX21
18const struct imx_mxc_w1_data imx21_mxc_w1_data __initconst =
19 imx_mxc_w1_data_entry_single(MX21);
20#endif /* ifdef CONFIG_SOC_IMX21 */
21
22#ifdef CONFIG_SOC_IMX27
23const struct imx_mxc_w1_data imx27_mxc_w1_data __initconst =
24 imx_mxc_w1_data_entry_single(MX27);
25#endif /* ifdef CONFIG_SOC_IMX27 */
26
27#ifdef CONFIG_SOC_IMX31
28const struct imx_mxc_w1_data imx31_mxc_w1_data __initconst =
29 imx_mxc_w1_data_entry_single(MX31);
30#endif /* ifdef CONFIG_SOC_IMX31 */
31
32#ifdef CONFIG_SOC_IMX35
33const struct imx_mxc_w1_data imx35_mxc_w1_data __initconst =
34 imx_mxc_w1_data_entry_single(MX35);
35#endif /* ifdef CONFIG_SOC_IMX35 */
36
37struct platform_device *__init imx_add_mxc_w1(
38 const struct imx_mxc_w1_data *data)
39{
40 struct resource res[] = {
41 {
42 .start = data->iobase,
43 .end = data->iobase + SZ_4K - 1,
44 .flags = IORESOURCE_MEM,
45 },
46 };
47
48 return imx_add_platform_device("mxc_w1", 0,
49 res, ARRAY_SIZE(res), NULL, 0);
50}