* (C) Copyright 2014
* Heiko Schocher, DENX Software Engineering, hs@denx.de.
*
- * Basic support for the pwm modul on imx6.
+ * Basic support for the pwm module on imx6.
*
* Based on linux:drivers/pwm/pwm-imx.c
* from
#include <div64.h>
#include <asm/arch/imx-regs.h>
-/* pwm_id from 0..3 */
+/* pwm_id from 0..7 */
struct pwm_regs *pwm_id_to_reg(int pwm_id)
{
switch (pwm_id) {
case 0:
return (struct pwm_regs *)PWM1_BASE_ADDR;
- break;
case 1:
return (struct pwm_regs *)PWM2_BASE_ADDR;
- break;
case 2:
return (struct pwm_regs *)PWM3_BASE_ADDR;
- break;
case 3:
return (struct pwm_regs *)PWM4_BASE_ADDR;
- break;
+#ifdef CONFIG_MX6SX
+ case 4:
+ return (struct pwm_regs *)PWM5_BASE_ADDR;
+ case 5:
+ return (struct pwm_regs *)PWM6_BASE_ADDR;
+ case 6:
+ return (struct pwm_regs *)PWM7_BASE_ADDR;
+ case 7:
+ return (struct pwm_regs *)PWM8_BASE_ADDR;
+#endif
default:
printf("unknown pwm_id: %d\n", pwm_id);
break;
*prescale = *period_c / 0x10000 + 1;
*period_c /= *prescale;
- c = (unsigned long long)(*period_c * duty_ns);
+ c = *period_c * (unsigned long long)duty_ns;
do_div(c, period_ns);
*duty_c = c;