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0494fc345b
Add PWM capture function in DM timer driver. OMAP DM timer hardware supports capture feature.It can be used to timestamp events (falling/rising edges) detected on input signal. Signed-off-by: Gokul Praveen <g-praveen@ti.com> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Reviewed-by: Neha Malcom Francis <n-francis@ti.com> Link: https://lore.kernel.org/r/20250812105346.203541-1-g-praveen@ti.com
63 lines
2.1 KiB
C
63 lines
2.1 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_cap)(struct omap_dm_timer *timer,
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int autoreload, bool config_period);
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int (*get_cap_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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unsigned int (*read_cap)(struct omap_dm_timer *timer, bool is_period);
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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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