arch/arm/include/asm/arch-sunxi/pwm.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * (C) Copyright 2016 Hans de Goede <hdegoede@redhat.com>
   4  */
   5
   6 #ifndef _SUNXI_PWM_H
   7 #define _SUNXI_PWM_H
   8
   9 #ifndef __ASSEMBLY__
  10 #include <linux/bitops.h>
  11 #endif
  12
  13 #define SUNXI_PWM_CTRL_REG              (SUNXI_PWM_BASE + 0)
  14 #define SUNXI_PWM_CH0_PERIOD            (SUNXI_PWM_BASE + 4)
  15
  16 #define SUNXI_PWM_CTRL_PRESCALE0(x)     ((x) & 0xf)
  17 #define SUNXI_PWM_CTRL_PRESCALE0_MASK   0xf
  18 #define SUNXI_PWM_CTRL_ENABLE0          (0x5 << 4)
  19 #define SUNXI_PWM_CTRL_POLARITY0(x)     ((x) << 5)
  20 #define SUNXI_PWM_CTRL_CH0_ACT_STA      BIT(5)
  21 #define SUNXI_PWM_CTRL_CLK_GATE         BIT(6)
  22
  23 #define SUNXI_PWM_CH0_PERIOD_MAX        (0xffff)
  24 #define SUNXI_PWM_CH0_PERIOD_PRD(x)     ((x & 0xffff) << 16)
  25 #define SUNXI_PWM_CH0_PERIOD_DUTY(x)    ((x) & 0xffff)
  26
  27 #define SUNXI_PWM_PERIOD_80PCT          0x04af03c0
  28
  29 #if defined CONFIG_MACH_SUN4I || defined CONFIG_MACH_SUN5I
  30 #define SUNXI_PWM_PIN0                  SUNXI_GPB(2)
  31 #define SUNXI_PWM_MUX                   SUN4I_GPB_PWM
  32 #endif
  33
  34 #if defined CONFIG_MACH_SUN6I
  35 #define SUNXI_PWM_PIN0                  SUNXI_GPH(13)
  36 #define SUNXI_PWM_MUX                   SUN6I_GPH_PWM
  37 #endif
  38
  39 #if defined CONFIG_MACH_SUN8I_A23 || defined CONFIG_MACH_SUN8I_A33
  40 #define SUNXI_PWM_PIN0                  SUNXI_GPH(0)
  41 #define SUNXI_PWM_MUX                   SUN8I_GPH_PWM
  42 #endif
  43
  44 struct sunxi_pwm {
  45         u32 ctrl;
  46         u32 ch0_period;
  47 };
  48
  49 #endif