xref: /OK3568_Linux_fs/u-boot/arch/arm/include/asm/arch-rockchip/pwm.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1 /*
2  * (C) Copyright 2016 Google, Inc
3  * (C) Copyright 2008-2014 Rockchip Electronics
4  *
5  * SPDX-License-Identifier:     GPL-2.0+
6  */
7 
8 #ifndef _ASM_ARCH_PWM_H
9 #define _ASM_ARCH_PWM_H
10 
11 struct rockchip_pwm_regs {
12 	unsigned long duty;
13 	unsigned long period;
14 	unsigned long cntr;
15 	unsigned long ctrl;
16 };
17 
18 #define PWM_CTRL_TIMER_EN		(1 << 0)
19 #define PWM_CTRL_OUTPUT_EN		(1 << 3)
20 
21 #define RK_PWM_DISABLE                  (0 << 0)
22 #define RK_PWM_ENABLE                   (1 << 0)
23 
24 #define PWM_ONE_SHOT                    (0 << 1)
25 #define PWM_CONTINUOUS                  (1 << 1)
26 #define RK_PWM_CAPTURE                  (1 << 2)
27 
28 #define PWM_DUTY_POSTIVE                (1 << 3)
29 #define PWM_DUTY_NEGATIVE               (0 << 3)
30 #define PWM_DUTY_MASK			(1 << 3)
31 
32 #define PWM_INACTIVE_POSTIVE            (1 << 4)
33 #define PWM_INACTIVE_NEGATIVE           (0 << 4)
34 #define PWM_INACTIVE_MASK		(1 << 4)
35 
36 #define PWM_OUTPUT_LEFT                 (0 << 5)
37 #define PWM_OUTPUT_CENTER               (1 << 5)
38 
39 #define PWM_LOCK			(1 << 6)
40 #define PWM_UNLOCK			(0 << 6)
41 
42 #define PWM_LP_ENABLE                   (1 << 8)
43 #define PWM_LP_DISABLE                  (0 << 8)
44 
45 #define PWM_SEL_SCALE_CLK		(1 << 9)
46 #define PWM_SEL_SRC_CLK			(0 << 9)
47 
48 #endif
49