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