ARM: imx: dynamically allocate mxc_pwm devices

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

6 files changed, 56 insertions, 20 deletions

diff --git a/arch/arm/mach-imx/devices.c b/arch/arm/mach-imx/devices.c
index d78456411f3..9ee0e0924f5 100644
--- a/arch/arm/mach-imx/devices.c
+++ b/arch/arm/mach-imx/devices.c
@@ -77,25 +77,6 @@ int __init imx1_register_gpios(void)
 #endif
 
 #if defined(CONFIG_MACH_MX21) || defined(CONFIG_MACH_MX27)
-static struct resource mxc_pwm_resources[] = {
-        {
-                .start = MX2x_PWM_BASE_ADDR,
-                .end = MX2x_PWM_BASE_ADDR + SZ_4K - 1,
-                .flags = IORESOURCE_MEM,
-        }, {
-                .start = MX2x_INT_PWM,
-                .end = MX2x_INT_PWM,
-                .flags = IORESOURCE_IRQ,
-        }
-};
-
-struct platform_device mxc_pwm_device = {
-        .name = "mxc_pwm",
-        .id = 0,
-        .num_resources = ARRAY_SIZE(mxc_pwm_resources),
-        .resource = mxc_pwm_resources,
-};
-
 #define DEFINE_MXC_MMC_DEVICE(n, baseaddr, irq, dmareq)                 \
         static struct resource mxc_sdhc_resources ## n[] = {            \
                 {                                                       \
diff --git a/arch/arm/mach-imx/devices.h b/arch/arm/mach-imx/devices.h
index 407e90aa0bc..1ba5042067e 100644
--- a/arch/arm/mach-imx/devices.h
+++ b/arch/arm/mach-imx/devices.h
@@ -1,5 +1,4 @@
 #if defined(CONFIG_MACH_MX21) || defined(CONFIG_MACH_MX27)
-extern struct platform_device mxc_pwm_device;
 extern struct platform_device mxc_sdhc_device0;
 extern struct platform_device mxc_sdhc_device1;
 extern struct platform_device mxc_otg_udc_device;
diff --git a/arch/arm/plat-mxc/devices/Kconfig b/arch/arm/plat-mxc/devices/Kconfig
index 25423713b49..2ded17b51fc 100644
--- a/arch/arm/plat-mxc/devices/Kconfig
+++ b/arch/arm/plat-mxc/devices/Kconfig
@@ -40,6 +40,9 @@ config IMX_HAVE_PLATFORM_MX2_CAMERA
 config IMX_HAVE_PLATFORM_MXC_NAND
         bool
 
+config IMX_HAVE_PLATFORM_MXC_PWM
+        bool
+
 config IMX_HAVE_PLATFORM_MXC_W1
         bool
 
diff --git a/arch/arm/plat-mxc/devices/Makefile b/arch/arm/plat-mxc/devices/Makefile
index d3f845eea1c..8ecd974c40e 100644
--- a/arch/arm/plat-mxc/devices/Makefile
+++ b/arch/arm/plat-mxc/devices/Makefile
@@ -12,5 +12,6 @@ obj-$(CONFIG_IMX_HAVE_PLATFORM_IMX_UDC) += platform-imx_udc.o
 obj-$(CONFIG_IMX_HAVE_PLATFORM_MX1_CAMERA) += platform-mx1-camera.o
 obj-$(CONFIG_IMX_HAVE_PLATFORM_MX2_CAMERA) += platform-mx2-camera.o
 obj-$(CONFIG_IMX_HAVE_PLATFORM_MXC_NAND) += platform-mxc_nand.o
+obj-$(CONFIG_IMX_HAVE_PLATFORM_MXC_PWM) += platform-mxc_pwm.o
 obj-$(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_pwm.c b/arch/arm/plat-mxc/devices/platform-mxc_pwm.c
new file mode 100644
index 00000000000..3ebbc671638
--- /dev/null
+++ b/arch/arm/plat-mxc/devices/platform-mxc_pwm.c
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2009-2010 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_pwm_data_entry_single(soc)                              \
+        {                                                               \
+                .iobase = soc ## _PWM_BASE_ADDR,                        \
+                .irq = soc ## _INT_PWM,                                 \
+        }
+
+#ifdef CONFIG_SOC_IMX21
+const struct imx_mxc_pwm_data imx21_mxc_pwm_data __initconst =
+        imx_mxc_pwm_data_entry_single(MX21);
+#endif /* ifdef CONFIG_SOC_IMX21 */
+
+#ifdef CONFIG_SOC_IMX27
+const struct imx_mxc_pwm_data imx27_mxc_pwm_data __initconst =
+        imx_mxc_pwm_data_entry_single(MX27);
+#endif /* ifdef CONFIG_SOC_IMX27 */
+
+struct platform_device *__init imx_add_mxc_pwm(
+                const struct imx_mxc_pwm_data *data)
+{
+        struct resource res[] = {
+                {
+                        .start = data->iobase,
+                        .end = data->iobase + SZ_4K - 1,
+                        .flags = IORESOURCE_MEM,
+                }, {
+                        .start = data->irq,
+                        .end = data->irq,
+                        .flags = IORESOURCE_IRQ,
+                },
+        };
+
+        return imx_add_platform_device("mxc_pwm", 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 b1d76563486..e241e41e748 100644
--- a/arch/arm/plat-mxc/include/mach/devices-common.h
+++ b/arch/arm/plat-mxc/include/mach/devices-common.h
@@ -168,6 +168,13 @@ 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_pwm_data {
+        resource_size_t iobase;
+        resource_size_t irq;
+};
+struct platform_device *__init imx_add_mxc_pwm(
+                const struct imx_mxc_pwm_data *data);
+
 struct imx_mxc_w1_data {
         resource_size_t iobase;
 };