19 files changed, 86 insertions, 37 deletions

diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index 197f9e241cff..edf018211002 100644
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -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
diff --git a/arch/arm/mach-imx/devices-imx21.h b/arch/arm/mach-imx/devices-imx21.h
index d189039749b0..61b0aa7fce98 100644
--- a/arch/arm/mach-imx/devices-imx21.h
+++ b/arch/arm/mach-imx/devices-imx21.h
@@ -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)
diff --git a/arch/arm/mach-imx/devices-imx27.h b/arch/arm/mach-imx/devices-imx27.h
index 7011690364f2..b957e78e052b 100644
--- a/arch/arm/mach-imx/devices-imx27.h
+++ b/arch/arm/mach-imx/devices-imx27.h
@@ -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)
diff --git a/arch/arm/mach-imx/devices.c b/arch/arm/mach-imx/devices.c
index e69e46eac45d..6fbd624fc530 100644
--- a/arch/arm/mach-imx/devices.c
+++ b/arch/arm/mach-imx/devices.c
@@ -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
diff --git a/arch/arm/mach-imx/devices.h b/arch/arm/mach-imx/devices.h
index 807f02a031c9..48d2c5b8c164 100644
--- a/arch/arm/mach-imx/devices.h
+++ b/arch/arm/mach-imx/devices.h
@@ -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;
diff --git a/arch/arm/mach-imx/mach-cpuimx27.c b/arch/arm/mach-imx/mach-cpuimx27.c
index 745ee60fb068..9baaf3df048e 100644
--- a/arch/arm/mach-imx/mach-cpuimx27.c
+++ b/arch/arm/mach-imx/mach-cpuimx27.c
@@ -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 */
diff --git a/arch/arm/mach-imx/mach-mx27ads.c b/arch/arm/mach-imx/mach-mx27ads.c
index a1e4bc573afc..219899a5c8ab 100644
--- a/arch/arm/mach-imx/mach-mx27ads.c
+++ b/arch/arm/mach-imx/mach-mx27ads.c
@@ -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)
diff --git a/arch/arm/mach-imx/mach-pca100.c b/arch/arm/mach-imx/mach-pca100.c
index 8c720d44602a..39c580bc9225 100644
--- a/arch/arm/mach-imx/mach-pca100.c
+++ b/arch/arm/mach-imx/mach-pca100.c
@@ -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)
diff --git a/arch/arm/mach-imx/mach-pcm038.c b/arch/arm/mach-imx/mach-pcm038.c
index 49a97ce07426..2cfc4b96c503 100644
--- a/arch/arm/mach-imx/mach-pcm038.c
+++ b/arch/arm/mach-imx/mach-pcm038.c
@@ -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();
diff --git a/arch/arm/mach-mx3/Kconfig b/arch/arm/mach-mx3/Kconfig
index 5000ac1f93e3..3f83fd534073 100644
--- a/arch/arm/mach-mx3/Kconfig
+++ b/arch/arm/mach-mx3/Kconfig
@@ -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
diff --git a/arch/arm/mach-mx3/devices-imx31.h b/arch/arm/mach-mx3/devices-imx31.h
index de9598590eba..a88f243ec72f 100644
--- a/arch/arm/mach-mx3/devices-imx31.h
+++ b/arch/arm/mach-mx3/devices-imx31.h
@@ -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)
diff --git a/arch/arm/mach-mx3/devices-imx35.h b/arch/arm/mach-mx3/devices-imx35.h
index 5eb917b638d0..7602cb49aab6 100644
--- a/arch/arm/mach-mx3/devices-imx35.h
+++ b/arch/arm/mach-mx3/devices-imx35.h
@@ -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)
diff --git a/arch/arm/mach-mx3/devices.c b/arch/arm/mach-mx3/devices.c
index 74f74f4fcff0..5808ce1b157b 100644
--- a/arch/arm/mach-mx3/devices.c
+++ b/arch/arm/mach-mx3/devices.c
@@ -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[] = {
         {
diff --git a/arch/arm/mach-mx3/devices.h b/arch/arm/mach-mx3/devices.h
index 585f814473d5..a649772058ef 100644
--- a/arch/arm/mach-mx3/devices.h
+++ b/arch/arm/mach-mx3/devices.h
@@ -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;
diff --git a/arch/arm/mach-mx3/mach-pcm037.c b/arch/arm/mach-mx3/mach-pcm037.c
index 86e86c1300d5..bc5d3a1aa206 100644
--- a/arch/arm/mach-mx3/mach-pcm037.c
+++ b/arch/arm/mach-mx3/mach-pcm037.c
@@ -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");
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);
+}
diff --git a/arch/arm/plat-mxc/include/mach/devices-common.h b/arch/arm/plat-mxc/include/mach/devices-common.h
index 8c6896fd1e5f..431e0ef4a832 100644
--- a/arch/arm/plat-mxc/include/mach/devices-common.h
+++ b/arch/arm/plat-mxc/include/mach/devices-common.h
@@ -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;