diff options
| author | 2019-08-09 13:07:28 -0500 | |
|---|---|---|
| committer | 2019-08-09 13:07:28 -0500 | |
| commit | 3f61fd41f38328f0a585eaba2d72d339fe9aecda (patch) | |
| tree | 4a6fe7dc98a44dec003833a7fa440daa6c304a28 /include/clocksource/timer-davinci.h | |
| parent | drm/amdgpu: remove RREG64/WREG64 (diff) | |
| parent | Linux 5.3-rc3 (diff) | |
Merge tag 'v5.3-rc3' into drm-next-5.4
Linux 5.3-rc3
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'include/clocksource/timer-davinci.h')
| -rw-r--r-- | include/clocksource/timer-davinci.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/include/clocksource/timer-davinci.h b/include/clocksource/timer-davinci.h new file mode 100644 index 000000000000..1dcc1333fbc8 --- /dev/null +++ b/include/clocksource/timer-davinci.h @@ -0,0 +1,44 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * TI DaVinci clocksource driver + * + * Copyright (C) 2019 Texas Instruments + * Author: Bartosz Golaszewski <bgolaszewski@baylibre.com> + */ + +#ifndef __TIMER_DAVINCI_H__ +#define __TIMER_DAVINCI_H__ + +#include <linux/clk.h> +#include <linux/ioport.h> + +enum { + DAVINCI_TIMER_CLOCKEVENT_IRQ, + DAVINCI_TIMER_CLOCKSOURCE_IRQ, + DAVINCI_TIMER_NUM_IRQS, +}; + +/** + * struct davinci_timer_cfg - davinci clocksource driver configuration struct + * @reg: register range resource + * @irq: clockevent and clocksource interrupt resources + * @cmp_off: if set - it specifies the compare register used for clockevent + * + * Note: if the compare register is specified, the driver will use the bottom + * clock half for both clocksource and clockevent and the compare register + * to generate event irqs. The user must supply the correct compare register + * interrupt number. + * + * This is only used by da830 the DSP of which uses the top half. The timer + * driver still configures the top half to run in free-run mode. + */ +struct davinci_timer_cfg { + struct resource reg; + struct resource irq[DAVINCI_TIMER_NUM_IRQS]; + unsigned int cmp_off; +}; + +int __init davinci_timer_register(struct clk *clk, + const struct davinci_timer_cfg *data); + +#endif /* __TIMER_DAVINCI_H__ */ |
