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 #define SUNXI_PWM_CTRL_REG (SUNXI_PWM_BASE + 0) 10 #define SUNXI_PWM_CH0_PERIOD (SUNXI_PWM_BASE + 4) 11 12 #define SUNXI_PWM_CTRL_PRESCALE0(x) ((x) & 0xf) 13 #define SUNXI_PWM_CTRL_PRESCALE0_MASK 0xf 14 #define SUNXI_PWM_CTRL_ENABLE0 (0x5 << 4) 15 #define SUNXI_PWM_CTRL_POLARITY0(x) ((x) << 5) 16 #define SUNXI_PWM_CTRL_CH0_ACT_STA BIT(5) 17 #define SUNXI_PWM_CTRL_CLK_GATE BIT(6) 18 19 #define SUNXI_PWM_CH0_PERIOD_MAX (0xffff) 20 #define SUNXI_PWM_CH0_PERIOD_PRD(x) ((x & 0xffff) << 16) 21 #define SUNXI_PWM_CH0_PERIOD_DUTY(x) ((x) & 0xffff) 22 23 #define SUNXI_PWM_PERIOD_80PCT 0x04af03c0 24 25 #if defined CONFIG_MACH_SUN4I || defined CONFIG_MACH_SUN5I 26 #define SUNXI_PWM_PIN0 SUNXI_GPB(2) 27 #define SUNXI_PWM_MUX SUN4I_GPB_PWM 28 #endif 29 30 #if defined CONFIG_MACH_SUN6I 31 #define SUNXI_PWM_PIN0 SUNXI_GPH(13) 32 #define SUNXI_PWM_MUX SUN6I_GPH_PWM 33 #endif 34 35 #if defined CONFIG_MACH_SUN8I_A23 || defined CONFIG_MACH_SUN8I_A33 36 #define SUNXI_PWM_PIN0 SUNXI_GPH(0) 37 #define SUNXI_PWM_MUX SUN8I_GPH_PWM 38 #endif 39 40 struct sunxi_pwm { 41 u32 ctrl; 42 u32 ch0_period; 43 }; 44 45 #endif 46