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authorUwe Kleine-König <u.kleine-koenig@pengutronix.de>2010-11-05 15:01:16 +0100
committerUwe Kleine-König <u.kleine-koenig@pengutronix.de>2010-11-17 10:01:28 +0100
commitbf182bcc6e726cce2f02b699bd0fba787734554f (patch)
treed5de2ac0de946eeafa21c262d6a8a12f85ce45a9 /arch/arm/plat-mxc/devices
parentc06246576a6e71b72ecc6b4b39a5c8eaf45dc2ed (diff)
ARM: imx: dynamically allocate mxc_pwm devices
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Diffstat (limited to 'arch/arm/plat-mxc/devices')
-rw-r--r--arch/arm/plat-mxc/devices/Kconfig3
-rw-r--r--arch/arm/plat-mxc/devices/Makefile1
-rw-r--r--arch/arm/plat-mxc/devices/platform-mxc_pwm.c45
3 files changed, 49 insertions, 0 deletions
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);
+}