linux-arkmicro/u-boot/arch/arm/include/asm/arch-sunxi/pwm.h

/* SPDX-License-Identifier: GPL-2.0+ */
/*
 * (C) Copyright 2016 Hans de Goede <hdegoede@redhat.com>
 */

#ifndef _SUNXI_PWM_H
#define _SUNXI_PWM_H

#define SUNXI_PWM_CTRL_REG		(SUNXI_PWM_BASE + 0)
#define SUNXI_PWM_CH0_PERIOD		(SUNXI_PWM_BASE + 4)

#define SUNXI_PWM_CTRL_PRESCALE0(x)	((x) & 0xf)
#define SUNXI_PWM_CTRL_PRESCALE0_MASK	0xf
#define SUNXI_PWM_CTRL_ENABLE0		(0x5 << 4)
#define SUNXI_PWM_CTRL_POLARITY0(x)	((x) << 5)
#define SUNXI_PWM_CTRL_CH0_ACT_STA	BIT(5)
#define SUNXI_PWM_CTRL_CLK_GATE		BIT(6)

#define SUNXI_PWM_CH0_PERIOD_MAX	(0xffff)
#define SUNXI_PWM_CH0_PERIOD_PRD(x)	((x & 0xffff) << 16)
#define SUNXI_PWM_CH0_PERIOD_DUTY(x)	((x) & 0xffff)

#define SUNXI_PWM_PERIOD_80PCT		0x04af03c0

#if defined CONFIG_MACH_SUN4I || defined CONFIG_MACH_SUN5I
#define SUNXI_PWM_PIN0			SUNXI_GPB(2)
#define SUNXI_PWM_MUX			SUN4I_GPB_PWM
#endif

#if defined CONFIG_MACH_SUN6I
#define SUNXI_PWM_PIN0			SUNXI_GPH(13)
#define SUNXI_PWM_MUX			SUN6I_GPH_PWM
#endif

#if defined CONFIG_MACH_SUN8I_A23 || defined CONFIG_MACH_SUN8I_A33
#define SUNXI_PWM_PIN0			SUNXI_GPH(0)
#define SUNXI_PWM_MUX			SUN8I_GPH_PWM
#endif

struct sunxi_pwm {
	u32 ctrl;
	u32 ch0_period;
};

#endif