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Diffstat (limited to 'arch/arm/mach-imx/devices/platform-mxc_w1.c')
-rw-r--r--arch/arm/mach-imx/devices/platform-mxc_w1.c50
1 files changed, 50 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/devices/platform-mxc_w1.c b/arch/arm/mach-imx/devices/platform-mxc_w1.c
new file mode 100644
index 00000000000..88c18b720d6
--- /dev/null
+++ b/arch/arm/mach-imx/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 "../hardware.h"
+#include "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_SOC_IMX31
+const struct imx_mxc_w1_data imx31_mxc_w1_data __initconst =
+ imx_mxc_w1_data_entry_single(MX31);
+#endif /* ifdef CONFIG_SOC_IMX31 */
+
+#ifdef CONFIG_SOC_IMX35
+const struct imx_mxc_w1_data imx35_mxc_w1_data __initconst =
+ imx_mxc_w1_data_entry_single(MX35);
+#endif /* ifdef CONFIG_SOC_IMX35 */
+
+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);
+}