ARM: mx25: dynamically allocate imx2-wdt devices

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>

arch/arm/mach-mx25/Kconfig

@@ -5,6 +5,7 @@ comment "MX25 platforms:"
 config MACH_MX25_3DS
 	bool "Support MX25PDK (3DS) Platform"
 	select IMX_HAVE_PLATFORM_ESDHC
+	select IMX_HAVE_PLATFORM_IMX2_WDT
 	select IMX_HAVE_PLATFORM_IMXDI_RTC
 	select IMX_HAVE_PLATFORM_IMX_FB
 	select IMX_HAVE_PLATFORM_IMX_KEYPAD

arch/arm/mach-mx25/devices-imx25.h

@@ -27,6 +27,10 @@ extern struct imx_imxdi_rtc_data imx25_imxdi_rtc_data __initconst;
 #define imx25_add_imxdi_rtc(pdata)	\
 	imx_add_imxdi_rtc(&imx25_imxdi_rtc_data)
 
+extern const struct imx_imx2_wdt_data imx25_imx2_wdt_data __initconst;
+#define imx25_add_imx2_wdt(pdata)	\
+	imx_add_imx2_wdt(&imx25_imx2_wdt_data)
+
 extern const struct imx_imx_fb_data imx25_imx_fb_data __initconst;
 #define imx25_add_imx_fb(pdata)	\
 	imx_add_imx_fb(&imx25_imx_fb_data, pdata)

arch/arm/mach-mx25/devices.c

@@ -22,21 +22,6 @@
 #include <mach/mx25.h>
 #include <mach/irqs.h>
 
-static struct resource mxc_wdt_resources[] = {
-	{
-		.start = MX25_WDOG_BASE_ADDR,
-		.end = MX25_WDOG_BASE_ADDR + SZ_16K - 1,
-		.flags = IORESOURCE_MEM,
-	},
-};
-
-struct platform_device mxc_wdt = {
-	.name = "imx2-wdt",
-	.id = 0,
-	.num_resources = ARRAY_SIZE(mxc_wdt_resources),
-	.resource = mxc_wdt_resources,
-};
-
 static struct resource mx25_csi_resources[] = {
 	{
 		.start	= MX25_CSI_BASE_ADDR,

arch/arm/mach-mx25/devices.h

@@ -1,2 +1 @@
-extern struct platform_device mxc_wdt;
 extern struct platform_device mx25_csi_device;

arch/arm/mach-mx25/mach-mx25_3ds.c

@@ -195,7 +195,7 @@ static void __init mx25pdk_init(void)
 	imx25_add_mxc_nand(&mx25pdk_nand_board_info);
 	imx25_add_imxdi_rtc(NULL);
 	imx25_add_imx_fb(&mx25pdk_fb_pdata);
-	mxc_register_device(&mxc_wdt, NULL);
+	imx25_add_imx2_wdt(NULL);
 
 	mx25pdk_fec_reset();
 	imx25_add_fec(&mx25_fec_pdata);

arch/arm/plat-mxc/devices/platform-imx2-wdt.c

@@ -10,19 +10,25 @@
 #include <mach/hardware.h>
 #include <mach/devices-common.h>
 
-#define imx_imx2_wdt_data_entry_single(soc)				\
+#define imx_imx2_wdt_data_entry_single(soc, _size)			\
 	{								\
 		.iobase = soc ## _WDOG_BASE_ADDR,			\
+		.iosize = _size,					\
 	}
 
 #ifdef CONFIG_SOC_IMX21
 const struct imx_imx2_wdt_data imx21_imx2_wdt_data __initconst =
-	imx_imx2_wdt_data_entry_single(MX21);
+	imx_imx2_wdt_data_entry_single(MX21, SZ_4K);
 #endif /* ifdef CONFIG_SOC_IMX21 */
 
+#ifdef CONFIG_ARCH_MX25
+const struct imx_imx2_wdt_data imx25_imx2_wdt_data __initconst =
+	imx_imx2_wdt_data_entry_single(MX25, SZ_16K);
+#endif /* ifdef CONFIG_ARCH_MX25 */
+
 #ifdef CONFIG_SOC_IMX27
 const struct imx_imx2_wdt_data imx27_imx2_wdt_data __initconst =
-	imx_imx2_wdt_data_entry_single(MX27);
+	imx_imx2_wdt_data_entry_single(MX27, SZ_4K);
 #endif /* ifdef CONFIG_SOC_IMX27 */
 
 struct platform_device *__init imx_add_imx2_wdt(
@@ -31,7 +37,7 @@ struct platform_device *__init imx_add_imx2_wdt(
 	struct resource res[] = {
 		{
 			.start = data->iobase,
-			.end = data->iobase + SZ_4K - 1,
+			.end = data->iobase + data->iosize - 1,
 			.flags = IORESOURCE_MEM,
 		},
 	};

arch/arm/plat-mxc/include/mach/devices-common.h

@@ -68,6 +68,7 @@ struct platform_device *__init imx_add_imx21_hcd(
 
 struct imx_imx2_wdt_data {
 	resource_size_t iobase;
+	resource_size_t iosize;
 };
 struct platform_device *__init imx_add_imx2_wdt(
 		const struct imx_imx2_wdt_data *data);