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Diffstat (limited to 'arch/arm/plat-s3c/include/plat/pwm.h')
-rw-r--r--arch/arm/plat-s3c/include/plat/pwm.h45
1 files changed, 45 insertions, 0 deletions
diff --git a/arch/arm/plat-s3c/include/plat/pwm.h b/arch/arm/plat-s3c/include/plat/pwm.h
new file mode 100644
index 00000000000..6a41b0ad840
--- /dev/null
+++ b/arch/arm/plat-s3c/include/plat/pwm.h
@@ -0,0 +1,45 @@
+#ifndef __S3C2410_PWM_H
+#define __S3C2410_PWM_H
+
+#include <linux/err.h>
+#include <linux/platform_device.h>
+#include <linux/clk.h>
+
+#include <mach/io.h>
+#include <mach/hardware.h>
+#include <asm/mach-types.h>
+#include <plat/regs-timer.h>
+
+enum pwm_timer {
+ PWM0,
+ PWM1,
+ PWM2,
+ PWM3,
+ PWM4
+};
+
+struct s3c2410_pwm {
+ enum pwm_timer timerid;
+ struct clk *pclk;
+ unsigned long pclk_rate;
+ unsigned long prescaler;
+ unsigned long divider;
+ unsigned long counter;
+ unsigned long comparer;
+};
+
+struct s3c24xx_pwm_platform_data{
+ /* callback to attach platform children (to enforce suspend / resume
+ * ordering */
+ void (*attach_child_devices)(struct device *parent_device);
+};
+
+int s3c2410_pwm_init(struct s3c2410_pwm *s3c2410_pwm);
+int s3c2410_pwm_enable(struct s3c2410_pwm *s3c2410_pwm);
+int s3c2410_pwm_disable(struct s3c2410_pwm *s3c2410_pwm);
+int s3c2410_pwm_start(struct s3c2410_pwm *s3c2410_pwm);
+int s3c2410_pwm_stop(struct s3c2410_pwm *s3c2410_pwm);
+int s3c2410_pwm_duty_cycle(int reg_value, struct s3c2410_pwm *s3c2410_pwm);
+int s3c2410_pwm_dumpregs(void);
+
+#endif /* __S3C2410_PWM_H */