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https://github.com/brain-hackers/u-boot-brain
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d840daf4c2
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>
42 lines
1019 B
C
42 lines
1019 B
C
/*
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* (C) Copyright 2016 Google, Inc
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* (C) Copyright 2008-2014 Rockchip Electronics
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef _ASM_ARCH_PWM_H
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#define _ASM_ARCH_PWM_H
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struct rk3288_pwm {
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u32 cnt;
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u32 duty_lpr;
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u32 period_hpr;
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u32 ctrl;
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};
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check_member(rk3288_pwm, ctrl, 0xc);
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#define RK_PWM_DISABLE (0 << 0)
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#define RK_PWM_ENABLE (1 << 0)
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#define PWM_ONE_SHOT (0 << 1)
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#define PWM_CONTINUOUS (1 << 1)
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#define RK_PWM_CAPTURE (1 << 2)
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#define PWM_DUTY_POSTIVE (1 << 3)
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#define PWM_DUTY_NEGATIVE (0 << 3)
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#define PWM_INACTIVE_POSTIVE (1 << 4)
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#define PWM_INACTIVE_NEGATIVE (0 << 4)
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#define PWM_OUTPUT_LEFT (0 << 5)
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#define PWM_OUTPUT_CENTER (1 << 5)
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#define PWM_LP_ENABLE (1 << 8)
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#define PWM_LP_DISABLE (0 << 8)
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#define PWM_SEL_SCALE_CLK (1 << 9)
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#define PWM_SEL_SRC_CLK (0 << 9)
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#endif
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