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alistair23-linux/drivers/clocksource
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Bartosz Golaszewski 721154f972 clocksource/drivers/davinci: Add support for clockevents 
Currently the clocksource and clockevent support for davinci platforms
lives in mach-davinci. It hard-codes many things, uses global variables,
implements functionalities unused by any platform and has code fragments
scattered across many (often unrelated) files.

Implement a new, modern and simplified timer driver and put it into
drivers/clocksource. We still need to support legacy board files so
export a config structure and a function that allows machine code to
register the timer.

The timer we're using is 64-bit but can be programmed in dual 32-bit
mode (both chained and unchained).

On all davinci SoCs except for da830 we're using both halves. Lower half
for clockevents and upper half for clocksource. On da830 we're using the
lower half for both with the help of a compare register.

This patch contains the core code and support for clockevent. The
clocksource code will be included in a subsequent patch.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
 		2019-06-25 20:46:14 +02:00
..
Kconfig clocksource/drivers/davinci: Add support for clockevents 2019-06-25 20:46:14 +02:00
Makefile clocksource/drivers/davinci: Add support for clockevents 2019-06-25 20:46:14 +02:00
acpi_pm.c clocksource: Use a plain u64 instead of cycle_t 2016-12-25 11:04:12 +01:00
arc_timer.c clocksource/drivers/arc_timer: Use BIT() instead of _BITUL() 2019-06-25 19:49:18 +02:00
arm_arch_timer.c clocksource/drivers/arm_arch_timer: Extract elf_hwcap use to arch-helper 2019-06-25 19:49:18 +02:00
arm_global_timer.c clocksource/drivers: Rename CLOCKSOURCE_OF_DECLARE to TIMER_OF_DECLARE 2017-06-14 11:58:45 +02:00
armv7m_systick.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 194 2019-05-30 11:29:22 -07:00
asm9260_timer.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
bcm2835_timer.c clocksource/drivers/bcm2835: Switch to SPDX identifier 2018-12-18 22:22:23 +01:00
bcm_kona_timer.c clocksource/drivers: Rename CLOCKSOURCE_OF_DECLARE to TIMER_OF_DECLARE 2017-06-14 11:58:45 +02:00
clksrc-dbx500-prcmu.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 197 2019-05-30 11:29:22 -07:00
clksrc_st_lpc.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
clps711x-timer.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
dummy_timer.c cpu/hotplug: Cleanup state names 2016-12-25 10:47:44 +01:00
dw_apb_timer.c Merge branch 'clockevents/4.12' of https://git.linaro.org/people/daniel.lezcano/linux into timers/core 2017-04-17 10:55:14 +02:00
dw_apb_timer_of.c clocksource/drivers/dw_apb: Add reset control 2018-10-07 14:16:35 +02:00
em_sti.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 179 2019-05-30 11:29:19 -07:00
exynos_mct.c clocksource/drivers/exynos_mct: Increase priority over ARM arch timer 2019-06-25 19:49:18 +02:00
h8300_timer8.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
h8300_timer16.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
h8300_tpu.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
i8253.c clockevents/drivers/i8253: Add support for PIT shutdown quirk 2018-11-04 11:04:46 +01:00
jcore-pit.c clocksource/drivers: Rename CLOCKSOURCE_OF_DECLARE to TIMER_OF_DECLARE 2017-06-14 11:58:45 +02:00
mips-gic-timer.c clocksource/drivers/mips-gic-timer: Make gic_compare_irqaction static 2019-03-22 22:59:33 +01:00
mmio.c clocksource: Use a plain u64 instead of cycle_t 2016-12-25 11:04:12 +01:00
mps2-timer.c clocksource/drivers: Rename CLOCKSOURCE_OF_DECLARE to TIMER_OF_DECLARE 2017-06-14 11:58:45 +02:00
mxs_timer.c clocksource/drivers/mxs_timer: Switch to SPDX identifier 2018-05-23 07:39:09 +02:00
nomadik-mtu.c clocksource/drivers/ux500: Drop Ux500 custom SCHED_CLOCK 2018-12-18 22:22:23 +01:00
numachip.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
renesas-ostm.c clocksource/drivers/renesas-ostm: Convert to SPDX identifiers 2018-10-03 14:36:53 +02:00
samsung_pwm_timer.c clocksource/drivers: Rename CLKSRC_OF to TIMER_OF 2017-06-14 12:01:03 +02:00
scx200_hrt.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
sh_cmt.c clocksource/drivers/sh_cmt: Add R-Car gen3 support 2018-10-03 14:37:01 +02:00
sh_mtu2.c clocksource/drivers/sh_mtu2: Convert to SPDX identifiers 2018-10-03 14:36:55 +02:00
sh_tmu.c clocksource/drivers/sh_tmu: Convert to SPDX identifiers 2018-10-03 14:36:56 +02:00
timer-armada-370-xp.c clocksource/drivers: Unify the names to timer-* format 2018-10-03 14:37:02 +02:00
timer-atcpit100.c clocksource/drivers: Set clockevent device cpumask to cpu_possible_mask 2018-07-26 11:26:30 +02:00
timer-atlas7.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 4 2019-05-21 11:28:40 +02:00
timer-atmel-pit.c clocksource/drivers/timer-atmel-pit: Properly handle error cases 2018-09-27 12:01:45 +02:00
timer-atmel-st.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
timer-atmel-tcb.c clocksource/drivers/timer-atmel-tcb: Convert tc_clksrc_suspend|resume() to static 2019-05-02 21:55:58 +02:00
timer-cadence-ttc.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
timer-cs5535.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 206 2019-05-30 11:29:53 -07:00
timer-davinci.c clocksource/drivers/davinci: Add support for clockevents 2019-06-25 20:46:14 +02:00
timer-digicolor.c clocksource/drivers: Rename CLOCKSOURCE_OF_DECLARE to TIMER_OF_DECLARE 2017-06-14 11:58:45 +02:00
timer-efm32.c clocksource/drivers: Unify the names to timer-* format 2018-10-03 14:37:02 +02:00
timer-fsl-ftm.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
timer-fttmr010.c clocksource/drivers/fttmr010: Fix invalid interrupt register access 2018-12-18 22:22:23 +01:00
timer-gx6605s.c clocksource/drivers/c-sky: Add gx6605s SOC system timer 2018-11-02 19:41:12 +01:00
timer-imx-gpt.c clocksource/drivers/imx-gpt: Remove unnecessary irq protection 2018-12-18 22:22:23 +01:00
timer-imx-sysctr.c clocksource/drivers/sysctr: Add nxp system counter timer driver support 2019-06-25 19:49:18 +02:00
timer-imx-tpm.c clocksource/drivers/timer-imx-tpm: Specify clock name for timer-of 2018-12-18 22:22:23 +01:00
timer-integrator-ap.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
timer-ixp4xx.c clocksource/drivers/ixp4xx: Implement delay timer 2019-06-25 19:49:18 +02:00
timer-keystone.c clocksource/drivers: Set clockevent device cpumask to cpu_possible_mask 2018-07-26 11:26:30 +02:00
timer-lpc32xx.c clocksource/drivers: Unify the names to timer-* format 2018-10-03 14:37:02 +02:00
timer-mediatek.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00
timer-meson6.c clocksource/drivers/timer-meson6: Update with SPDX Licence identifier 2019-06-25 19:49:18 +02:00
timer-milbeaut.c clocksource/drivers/timer-milbeaut: Cleanup common register accesses 2019-05-02 21:55:58 +02:00
timer-mp-csky.c clocksource/drivers/c-sky: fixup ftrace call-graph panic 2018-12-31 23:17:23 +08:00
timer-npcm7xx.c clocksource/drivers/npcm: Add NPCM7xx timer driver 2018-03-30 22:44:09 +02:00
timer-nps.c clocksource/drivers: Rename CLOCKSOURCE_OF_DECLARE to TIMER_OF_DECLARE 2017-06-14 11:58:45 +02:00
timer-of.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 201 2019-05-30 11:29:52 -07:00
timer-of.h clocksource/drivers/timer-of: Store the device node pointer in 'struct timer_of' 2018-01-08 17:57:24 +01:00
timer-orion.c clocksource/drivers: Unify the names to timer-* format 2018-10-03 14:37:02 +02:00
timer-owl.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
timer-oxnas-rps.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 201 2019-05-30 11:29:52 -07:00
timer-pistachio.c clocksource/drivers: Unify the names to timer-* format 2018-10-03 14:37:02 +02:00
timer-prima2.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 4 2019-05-21 11:28:40 +02:00
timer-probe.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 201 2019-05-30 11:29:52 -07:00
timer-pxa.c clocksource/drivers/timer-pxa: Rename the file for consistency 2019-02-23 12:13:45 +01:00
timer-qcom.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
timer-rda.c clocksource/drivers/rda: Add clock driver for RDA8810PL SoC 2018-12-18 22:22:23 +01:00
timer-riscv.c clocksource/drivers/riscv: Fix clocksource mask 2019-03-23 12:25:34 +01:00
timer-rockchip.c clocksource/drivers/rockchip: Change name rockchip_timer to timer-rockchip 2018-12-18 22:22:23 +01:00
timer-sp.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
timer-sp804.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
timer-sprd.c clocksource/drivers/sprd: Register one always-on timer to compensate suspend time 2018-07-26 11:26:34 +02:00
timer-stm32.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 194 2019-05-30 11:29:22 -07:00
timer-sun4i.c clocksource/drivers/sun4i: Add a compatible for suniv 2019-05-02 21:55:58 +02:00
timer-sun5i.c clocksource/drivers/sun5i: Fail gracefully when clock rate is unavailable 2019-02-23 12:13:45 +01:00
timer-tango-xtal.c clocksource/drivers/tango-xtal: Rename the file for consistency 2019-02-23 12:13:45 +01:00
timer-tegra.c clocksource/drivers/tegra: Set up maximum-ticks limit properly 2019-06-25 19:49:18 +02:00
timer-ti-32k.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 341 2019-06-05 17:37:07 +02:00
timer-ti-dm.c clocksource/drivers/timer-ti-dm: Change to new style declaration 2019-05-24 15:51:30 +02:00
timer-u300.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 194 2019-05-30 11:29:22 -07:00
timer-versatile.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174 2019-05-30 11:26:41 -07:00
timer-vf-pit.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
timer-vt8500.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
timer-zevio.c clocksource/drivers: Unify the names to timer-* format 2018-10-03 14:37:02 +02:00