u-boot/arch/arm/include/asm/arch-rockchip/pwm.h
Kever Yang d840daf4c2 rockchip: rkpwm: fix the register sequence
Reference to kernel source code, rockchip pwm has three
type, we are using v2 for rk3288 and rk3399, so let's
update the register to sync with pwm_data_v2 in kernel.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Acked-by: Simon Glass <sjg@chromium.org>
2016-10-01 18:35:01 -06:00

41 lines
1,019 B
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 duty_lpr;
u32 period_hpr;
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_INACTIVE_POSTIVE (1 << 4)
#define PWM_INACTIVE_NEGATIVE (0 << 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