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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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02e6d546e3
dm timer ops set_load() api allows to configure the load value and to set the auto reload feature. But auto reload feature is independent of load value and should be part of configuring pwm. This way pwm can be disabled by disabling auto reload feature using set_pwm() so that the current pwm cycle will be completed. Else pwm disabling causes the cycle to be stopped abruptly. Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com> Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/20200305082715.15861-7-lokeshvutla@ti.com
59 lines
1.9 KiB
C
59 lines
1.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* DMTIMER platform data for TI OMAP platforms
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*
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* Copyright (C) 2012 Texas Instruments
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* Author: Jon Hunter <jon-hunter@ti.com>
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*/
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#ifndef __PLATFORM_DATA_DMTIMER_OMAP_H__
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#define __PLATFORM_DATA_DMTIMER_OMAP_H__
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struct omap_dm_timer_ops {
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struct omap_dm_timer *(*request_by_node)(struct device_node *np);
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struct omap_dm_timer *(*request_specific)(int timer_id);
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struct omap_dm_timer *(*request)(void);
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int (*free)(struct omap_dm_timer *timer);
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void (*enable)(struct omap_dm_timer *timer);
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void (*disable)(struct omap_dm_timer *timer);
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int (*get_irq)(struct omap_dm_timer *timer);
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int (*set_int_enable)(struct omap_dm_timer *timer,
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unsigned int value);
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int (*set_int_disable)(struct omap_dm_timer *timer, u32 mask);
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struct clk *(*get_fclk)(struct omap_dm_timer *timer);
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int (*start)(struct omap_dm_timer *timer);
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int (*stop)(struct omap_dm_timer *timer);
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int (*set_source)(struct omap_dm_timer *timer, int source);
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int (*set_load)(struct omap_dm_timer *timer, unsigned int value);
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int (*set_match)(struct omap_dm_timer *timer, int enable,
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unsigned int match);
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int (*set_pwm)(struct omap_dm_timer *timer, int def_on,
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int toggle, int trigger, int autoreload);
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int (*get_pwm_status)(struct omap_dm_timer *timer);
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int (*set_prescaler)(struct omap_dm_timer *timer, int prescaler);
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unsigned int (*read_counter)(struct omap_dm_timer *timer);
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int (*write_counter)(struct omap_dm_timer *timer,
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unsigned int value);
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unsigned int (*read_status)(struct omap_dm_timer *timer);
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int (*write_status)(struct omap_dm_timer *timer,
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unsigned int value);
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};
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struct dmtimer_platform_data {
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/* set_timer_src - Only used for OMAP1 devices */
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int (*set_timer_src)(struct platform_device *pdev, int source);
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u32 timer_capability;
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u32 timer_errata;
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int (*get_context_loss_count)(struct device *);
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const struct omap_dm_timer_ops *timer_ops;
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};
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#endif /* __PLATFORM_DATA_DMTIMER_OMAP_H__ */
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