mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-25 11:28:51 +09:00
![Kever Yang](/assets/img/avatar_default.png)
Use mask to clear old setting before direct set the new config,
or else there it will mess up the config when it's not the same
with default value.
Fixes: 3851059
rockchip: Setup default PWM flags
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Acked-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
44 lines
1.1 KiB
C
44 lines
1.1 KiB
C
/*
|
|
* (C) Copyright 2016 Google, Inc
|
|
* (C) Copyright 2008-2014 Rockchip Electronics
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#ifndef _ASM_ARCH_PWM_H
|
|
#define _ASM_ARCH_PWM_H
|
|
|
|
struct rk3288_pwm {
|
|
u32 cnt;
|
|
u32 period_hpr;
|
|
u32 duty_lpr;
|
|
u32 ctrl;
|
|
};
|
|
check_member(rk3288_pwm, ctrl, 0xc);
|
|
|
|
#define RK_PWM_DISABLE (0 << 0)
|
|
#define RK_PWM_ENABLE (1 << 0)
|
|
|
|
#define PWM_ONE_SHOT (0 << 1)
|
|
#define PWM_CONTINUOUS (1 << 1)
|
|
#define RK_PWM_CAPTURE (1 << 2)
|
|
|
|
#define PWM_DUTY_POSTIVE (1 << 3)
|
|
#define PWM_DUTY_NEGATIVE (0 << 3)
|
|
#define PWM_DUTY_MASK (1 << 3)
|
|
|
|
#define PWM_INACTIVE_POSTIVE (1 << 4)
|
|
#define PWM_INACTIVE_NEGATIVE (0 << 4)
|
|
#define PWM_INACTIVE_MASK (1 << 4)
|
|
|
|
#define PWM_OUTPUT_LEFT (0 << 5)
|
|
#define PWM_OUTPUT_CENTER (1 << 5)
|
|
|
|
#define PWM_LP_ENABLE (1 << 8)
|
|
#define PWM_LP_DISABLE (0 << 8)
|
|
|
|
#define PWM_SEL_SCALE_CLK (1 << 9)
|
|
#define PWM_SEL_SRC_CLK (0 << 9)
|
|
|
|
#endif
|