46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
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/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* (C) Copyright 2016 Hans de Goede <hdegoede@redhat.com>
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*/
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#ifndef _SUNXI_PWM_H
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#define _SUNXI_PWM_H
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#define SUNXI_PWM_CTRL_REG (SUNXI_PWM_BASE + 0)
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#define SUNXI_PWM_CH0_PERIOD (SUNXI_PWM_BASE + 4)
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#define SUNXI_PWM_CTRL_PRESCALE0(x) ((x) & 0xf)
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#define SUNXI_PWM_CTRL_PRESCALE0_MASK 0xf
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#define SUNXI_PWM_CTRL_ENABLE0 (0x5 << 4)
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#define SUNXI_PWM_CTRL_POLARITY0(x) ((x) << 5)
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#define SUNXI_PWM_CTRL_CH0_ACT_STA BIT(5)
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#define SUNXI_PWM_CTRL_CLK_GATE BIT(6)
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#define SUNXI_PWM_CH0_PERIOD_MAX (0xffff)
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#define SUNXI_PWM_CH0_PERIOD_PRD(x) ((x & 0xffff) << 16)
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#define SUNXI_PWM_CH0_PERIOD_DUTY(x) ((x) & 0xffff)
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#define SUNXI_PWM_PERIOD_80PCT 0x04af03c0
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#if defined CONFIG_MACH_SUN4I || defined CONFIG_MACH_SUN5I
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#define SUNXI_PWM_PIN0 SUNXI_GPB(2)
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#define SUNXI_PWM_MUX SUN4I_GPB_PWM
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#endif
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#if defined CONFIG_MACH_SUN6I
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#define SUNXI_PWM_PIN0 SUNXI_GPH(13)
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#define SUNXI_PWM_MUX SUN6I_GPH_PWM
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#endif
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#if defined CONFIG_MACH_SUN8I_A23 || defined CONFIG_MACH_SUN8I_A33
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#define SUNXI_PWM_PIN0 SUNXI_GPH(0)
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#define SUNXI_PWM_MUX SUN8I_GPH_PWM
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#endif
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struct sunxi_pwm {
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u32 ctrl;
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u32 ch0_period;
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};
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#endif
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