diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-11-01 20:18:05 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-11-01 20:18:05 -0700 |
commit | ac5761a650d22dd7dfad4d417463a0981d2da0a4 (patch) | |
tree | c01a46a889dde74fbbb05d3b2da22387bb4875c6 /arch/arm/mach-omap2 | |
parent | 25498e5b3df931a3d52a6e0642ae242e4ee19488 (diff) | |
parent | eed1e576507b52e03e549e0c9e0c747978122403 (diff) |
Merge branch 'next/timer' of git://git.linaro.org/people/arnd/arm-soc
* 'next/timer' of git://git.linaro.org/people/arnd/arm-soc:
clocksource: fixup ux500 build problems
ARM: omap: use __devexit_p in dmtimer driver
ARM: ux500: Reprogram timers upon resume
ARM: plat-nomadik: timer: Export reset functions
ARM: plat-nomadik: timer: Add support for periodic timers
ARM: ux500: Move timer code to separate file
ARM: ux500: add support for clocksource DBX500 PRCMU
clocksource: add DBX500 PRCMU Timer support
ARM: plat-nomadik: MTU sched_clock as an option
ARM: OMAP: dmtimer: add error handling to export APIs
ARM: OMAP: dmtimer: low-power mode support
ARM: OMAP: dmtimer: skip reserved timers
ARM: OMAP: dmtimer: pm_runtime support
ARM: OMAP: dmtimer: switch-over to platform device driver
ARM: OMAP: dmtimer: platform driver
ARM: OMAP2+: dmtimer: convert to platform devices
ARM: OMAP1: dmtimer: conversion to platform devices
ARM: OMAP2+: dmtimer: add device names to flck nodes
ARM: OMAP: Add support for dmtimer v2 ip
Diffstat (limited to 'arch/arm/mach-omap2')
-rw-r--r-- | arch/arm/mach-omap2/clock2420_data.c | 48 | ||||
-rw-r--r-- | arch/arm/mach-omap2/clock2430_data.c | 48 | ||||
-rw-r--r-- | arch/arm/mach-omap2/clock3xxx_data.c | 36 | ||||
-rw-r--r-- | arch/arm/mach-omap2/clock44xx_data.c | 33 | ||||
-rw-r--r-- | arch/arm/mach-omap2/omap_hwmod_2420_data.c | 22 | ||||
-rw-r--r-- | arch/arm/mach-omap2/omap_hwmod_2430_data.c | 22 | ||||
-rw-r--r-- | arch/arm/mach-omap2/omap_hwmod_3xxx_data.c | 27 | ||||
-rw-r--r-- | arch/arm/mach-omap2/omap_hwmod_44xx_data.c | 22 | ||||
-rw-r--r-- | arch/arm/mach-omap2/timer.c | 194 |
9 files changed, 440 insertions, 12 deletions
diff --git a/arch/arm/mach-omap2/clock2420_data.c b/arch/arm/mach-omap2/clock2420_data.c index debc040872f..14a6277dd18 100644 --- a/arch/arm/mach-omap2/clock2420_data.c +++ b/arch/arm/mach-omap2/clock2420_data.c @@ -1898,6 +1898,54 @@ static struct omap_clk omap2420_clks[] = { CLK(NULL, "pka_ick", &pka_ick, CK_242X), CLK(NULL, "usb_fck", &usb_fck, CK_242X), CLK("musb-hdrc", "fck", &osc_ck, CK_242X), + CLK("omap_timer.1", "fck", &gpt1_fck, CK_242X), + CLK("omap_timer.2", "fck", &gpt2_fck, CK_242X), + CLK("omap_timer.3", "fck", &gpt3_fck, CK_242X), + CLK("omap_timer.4", "fck", &gpt4_fck, CK_242X), + CLK("omap_timer.5", "fck", &gpt5_fck, CK_242X), + CLK("omap_timer.6", "fck", &gpt6_fck, CK_242X), + CLK("omap_timer.7", "fck", &gpt7_fck, CK_242X), + CLK("omap_timer.8", "fck", &gpt8_fck, CK_242X), + CLK("omap_timer.9", "fck", &gpt9_fck, CK_242X), + CLK("omap_timer.10", "fck", &gpt10_fck, CK_242X), + CLK("omap_timer.11", "fck", &gpt11_fck, CK_242X), + CLK("omap_timer.12", "fck", &gpt12_fck, CK_242X), + CLK("omap_timer.1", "32k_ck", &func_32k_ck, CK_243X), + CLK("omap_timer.2", "32k_ck", &func_32k_ck, CK_243X), + CLK("omap_timer.3", "32k_ck", &func_32k_ck, CK_243X), + CLK("omap_timer.4", "32k_ck", &func_32k_ck, CK_243X), + CLK("omap_timer.5", "32k_ck", &func_32k_ck, CK_243X), + CLK("omap_timer.6", "32k_ck", &func_32k_ck, CK_243X), + CLK("omap_timer.7", "32k_ck", &func_32k_ck, CK_243X), + CLK("omap_timer.8", "32k_ck", &func_32k_ck, CK_243X), + CLK("omap_timer.9", "32k_ck", &func_32k_ck, CK_243X), + CLK("omap_timer.10", "32k_ck", &func_32k_ck, CK_243X), + CLK("omap_timer.11", "32k_ck", &func_32k_ck, CK_243X), + CLK("omap_timer.12", "32k_ck", &func_32k_ck, CK_243X), + CLK("omap_timer.1", "sys_ck", &sys_ck, CK_243X), + CLK("omap_timer.2", "sys_ck", &sys_ck, CK_243X), + CLK("omap_timer.3", "sys_ck", &sys_ck, CK_243X), + CLK("omap_timer.4", "sys_ck", &sys_ck, CK_243X), + CLK("omap_timer.5", "sys_ck", &sys_ck, CK_243X), + CLK("omap_timer.6", "sys_ck", &sys_ck, CK_243X), + CLK("omap_timer.7", "sys_ck", &sys_ck, CK_243X), + CLK("omap_timer.8", "sys_ck", &sys_ck, CK_243X), + CLK("omap_timer.9", "sys_ck", &sys_ck, CK_243X), + CLK("omap_timer.10", "sys_ck", &sys_ck, CK_243X), + CLK("omap_timer.11", "sys_ck", &sys_ck, CK_243X), + CLK("omap_timer.12", "sys_ck", &sys_ck, CK_243X), + CLK("omap_timer.1", "alt_ck", &alt_ck, CK_243X), + CLK("omap_timer.2", "alt_ck", &alt_ck, CK_243X), + CLK("omap_timer.3", "alt_ck", &alt_ck, CK_243X), + CLK("omap_timer.4", "alt_ck", &alt_ck, CK_243X), + CLK("omap_timer.5", "alt_ck", &alt_ck, CK_243X), + CLK("omap_timer.6", "alt_ck", &alt_ck, CK_243X), + CLK("omap_timer.7", "alt_ck", &alt_ck, CK_243X), + CLK("omap_timer.8", "alt_ck", &alt_ck, CK_243X), + CLK("omap_timer.9", "alt_ck", &alt_ck, CK_243X), + CLK("omap_timer.10", "alt_ck", &alt_ck, CK_243X), + CLK("omap_timer.11", "alt_ck", &alt_ck, CK_243X), + CLK("omap_timer.12", "alt_ck", &alt_ck, CK_243X), }; /* diff --git a/arch/arm/mach-omap2/clock2430_data.c b/arch/arm/mach-omap2/clock2430_data.c index 96a942e42db..ea6717cfa3c 100644 --- a/arch/arm/mach-omap2/clock2430_data.c +++ b/arch/arm/mach-omap2/clock2430_data.c @@ -1998,6 +1998,54 @@ static struct omap_clk omap2430_clks[] = { CLK(NULL, "mdm_intc_ick", &mdm_intc_ick, CK_243X), CLK("omap_hsmmc.0", "mmchsdb_fck", &mmchsdb1_fck, CK_243X), CLK("omap_hsmmc.1", "mmchsdb_fck", &mmchsdb2_fck, CK_243X), + CLK("omap_timer.1", "fck", &gpt1_fck, CK_243X), + CLK("omap_timer.2", "fck", &gpt2_fck, CK_243X), + CLK("omap_timer.3", "fck", &gpt3_fck, CK_243X), + CLK("omap_timer.4", "fck", &gpt4_fck, CK_243X), + CLK("omap_timer.5", "fck", &gpt5_fck, CK_243X), + CLK("omap_timer.6", "fck", &gpt6_fck, CK_243X), + CLK("omap_timer.7", "fck", &gpt7_fck, CK_243X), + CLK("omap_timer.8", "fck", &gpt8_fck, CK_243X), + CLK("omap_timer.9", "fck", &gpt9_fck, CK_243X), + CLK("omap_timer.10", "fck", &gpt10_fck, CK_243X), + CLK("omap_timer.11", "fck", &gpt11_fck, CK_243X), + CLK("omap_timer.12", "fck", &gpt12_fck, CK_243X), + CLK("omap_timer.1", "32k_ck", &func_32k_ck, CK_243X), + CLK("omap_timer.2", "32k_ck", &func_32k_ck, CK_243X), + CLK("omap_timer.3", "32k_ck", &func_32k_ck, CK_243X), + CLK("omap_timer.4", "32k_ck", &func_32k_ck, CK_243X), + CLK("omap_timer.5", "32k_ck", &func_32k_ck, CK_243X), + CLK("omap_timer.6", "32k_ck", &func_32k_ck, CK_243X), + CLK("omap_timer.7", "32k_ck", &func_32k_ck, CK_243X), + CLK("omap_timer.8", "32k_ck", &func_32k_ck, CK_243X), + CLK("omap_timer.9", "32k_ck", &func_32k_ck, CK_243X), + CLK("omap_timer.10", "32k_ck", &func_32k_ck, CK_243X), + CLK("omap_timer.11", "32k_ck", &func_32k_ck, CK_243X), + CLK("omap_timer.12", "32k_ck", &func_32k_ck, CK_243X), + CLK("omap_timer.1", "sys_ck", &sys_ck, CK_243X), + CLK("omap_timer.2", "sys_ck", &sys_ck, CK_243X), + CLK("omap_timer.3", "sys_ck", &sys_ck, CK_243X), + CLK("omap_timer.4", "sys_ck", &sys_ck, CK_243X), + CLK("omap_timer.5", "sys_ck", &sys_ck, CK_243X), + CLK("omap_timer.6", "sys_ck", &sys_ck, CK_243X), + CLK("omap_timer.7", "sys_ck", &sys_ck, CK_243X), + CLK("omap_timer.8", "sys_ck", &sys_ck, CK_243X), + CLK("omap_timer.9", "sys_ck", &sys_ck, CK_243X), + CLK("omap_timer.10", "sys_ck", &sys_ck, CK_243X), + CLK("omap_timer.11", "sys_ck", &sys_ck, CK_243X), + CLK("omap_timer.12", "sys_ck", &sys_ck, CK_243X), + CLK("omap_timer.1", "alt_ck", &alt_ck, CK_243X), + CLK("omap_timer.2", "alt_ck", &alt_ck, CK_243X), + CLK("omap_timer.3", "alt_ck", &alt_ck, CK_243X), + CLK("omap_timer.4", "alt_ck", &alt_ck, CK_243X), + CLK("omap_timer.5", "alt_ck", &alt_ck, CK_243X), + CLK("omap_timer.6", "alt_ck", &alt_ck, CK_243X), + CLK("omap_timer.7", "alt_ck", &alt_ck, CK_243X), + CLK("omap_timer.8", "alt_ck", &alt_ck, CK_243X), + CLK("omap_timer.9", "alt_ck", &alt_ck, CK_243X), + CLK("omap_timer.10", "alt_ck", &alt_ck, CK_243X), + CLK("omap_timer.11", "alt_ck", &alt_ck, CK_243X), + CLK("omap_timer.12", "alt_ck", &alt_ck, CK_243X), }; /* diff --git a/arch/arm/mach-omap2/clock3xxx_data.c b/arch/arm/mach-omap2/clock3xxx_data.c index dadb8c6c011..65dd363163b 100644 --- a/arch/arm/mach-omap2/clock3xxx_data.c +++ b/arch/arm/mach-omap2/clock3xxx_data.c @@ -3464,6 +3464,42 @@ static struct omap_clk omap3xxx_clks[] = { CLK("musb-am35x", "fck", &hsotgusb_fck_am35xx, CK_AM35XX), CLK(NULL, "hecc_ck", &hecc_ck, CK_AM35XX), CLK(NULL, "uart4_ick", &uart4_ick_am35xx, CK_AM35XX), + CLK("omap_timer.1", "fck", &gpt1_fck, CK_3XXX), + CLK("omap_timer.2", "fck", &gpt2_fck, CK_3XXX), + CLK("omap_timer.3", "fck", &gpt3_fck, CK_3XXX), + CLK("omap_timer.4", "fck", &gpt4_fck, CK_3XXX), + CLK("omap_timer.5", "fck", &gpt5_fck, CK_3XXX), + CLK("omap_timer.6", "fck", &gpt6_fck, CK_3XXX), + CLK("omap_timer.7", "fck", &gpt7_fck, CK_3XXX), + CLK("omap_timer.8", "fck", &gpt8_fck, CK_3XXX), + CLK("omap_timer.9", "fck", &gpt9_fck, CK_3XXX), + CLK("omap_timer.10", "fck", &gpt10_fck, CK_3XXX), + CLK("omap_timer.11", "fck", &gpt11_fck, CK_3XXX), + CLK("omap_timer.12", "fck", &gpt12_fck, CK_3XXX), + CLK("omap_timer.1", "32k_ck", &omap_32k_fck, CK_3XXX), + CLK("omap_timer.2", "32k_ck", &omap_32k_fck, CK_3XXX), + CLK("omap_timer.3", "32k_ck", &omap_32k_fck, CK_3XXX), + CLK("omap_timer.4", "32k_ck", &omap_32k_fck, CK_3XXX), + CLK("omap_timer.5", "32k_ck", &omap_32k_fck, CK_3XXX), + CLK("omap_timer.6", "32k_ck", &omap_32k_fck, CK_3XXX), + CLK("omap_timer.7", "32k_ck", &omap_32k_fck, CK_3XXX), + CLK("omap_timer.8", "32k_ck", &omap_32k_fck, CK_3XXX), + CLK("omap_timer.9", "32k_ck", &omap_32k_fck, CK_3XXX), + CLK("omap_timer.10", "32k_ck", &omap_32k_fck, CK_3XXX), + CLK("omap_timer.11", "32k_ck", &omap_32k_fck, CK_3XXX), + CLK("omap_timer.12", "32k_ck", &omap_32k_fck, CK_3XXX), + CLK("omap_timer.1", "sys_ck", &sys_ck, CK_3XXX), + CLK("omap_timer.2", "sys_ck", &sys_ck, CK_3XXX), + CLK("omap_timer.3", "sys_ck", &sys_ck, CK_3XXX), + CLK("omap_timer.4", "sys_ck", &sys_ck, CK_3XXX), + CLK("omap_timer.5", "sys_ck", &sys_ck, CK_3XXX), + CLK("omap_timer.6", "sys_ck", &sys_ck, CK_3XXX), + CLK("omap_timer.7", "sys_ck", &sys_ck, CK_3XXX), + CLK("omap_timer.8", "sys_ck", &sys_ck, CK_3XXX), + CLK("omap_timer.9", "sys_ck", &sys_ck, CK_3XXX), + CLK("omap_timer.10", "sys_ck", &sys_ck, CK_3XXX), + CLK("omap_timer.11", "sys_ck", &sys_ck, CK_3XXX), + CLK("omap_timer.12", "sys_ck", &sys_ck, CK_3XXX), }; diff --git a/arch/arm/mach-omap2/clock44xx_data.c b/arch/arm/mach-omap2/clock44xx_data.c index c0b6fbda340..946bf04a956 100644 --- a/arch/arm/mach-omap2/clock44xx_data.c +++ b/arch/arm/mach-omap2/clock44xx_data.c @@ -3363,6 +3363,39 @@ static struct omap_clk omap44xx_clks[] = { CLK("usbhs-omap.0", "usbhost_ick", &dummy_ck, CK_443X), CLK("usbhs-omap.0", "usbtll_fck", &dummy_ck, CK_443X), CLK("omap_wdt", "ick", &dummy_ck, CK_443X), + CLK("omap_timer.1", "fck", &timer1_fck, CK_443X), + CLK("omap_timer.2", "fck", &timer2_fck, CK_443X), + CLK("omap_timer.3", "fck", &timer3_fck, CK_443X), + CLK("omap_timer.4", "fck", &timer4_fck, CK_443X), + CLK("omap_timer.5", "fck", &timer5_fck, CK_443X), + CLK("omap_timer.6", "fck", &timer6_fck, CK_443X), + CLK("omap_timer.7", "fck", &timer7_fck, CK_443X), + CLK("omap_timer.8", "fck", &timer8_fck, CK_443X), + CLK("omap_timer.9", "fck", &timer9_fck, CK_443X), + CLK("omap_timer.10", "fck", &timer10_fck, CK_443X), + CLK("omap_timer.11", "fck", &timer11_fck, CK_443X), + CLK("omap_timer.1", "32k_ck", &sys_32k_ck, CK_443X), + CLK("omap_timer.2", "32k_ck", &sys_32k_ck, CK_443X), + CLK("omap_timer.3", "32k_ck", &sys_32k_ck, CK_443X), + CLK("omap_timer.4", "32k_ck", &sys_32k_ck, CK_443X), + CLK("omap_timer.5", "32k_ck", &sys_32k_ck, CK_443X), + CLK("omap_timer.6", "32k_ck", &sys_32k_ck, CK_443X), + CLK("omap_timer.7", "32k_ck", &sys_32k_ck, CK_443X), + CLK("omap_timer.8", "32k_ck", &sys_32k_ck, CK_443X), + CLK("omap_timer.9", "32k_ck", &sys_32k_ck, CK_443X), + CLK("omap_timer.10", "32k_ck", &sys_32k_ck, CK_443X), + CLK("omap_timer.11", "32k_ck", &sys_32k_ck, CK_443X), + CLK("omap_timer.1", "sys_ck", &sys_clkin_ck, CK_443X), + CLK("omap_timer.2", "sys_ck", &sys_clkin_ck, CK_443X), + CLK("omap_timer.3", "sys_ck", &sys_clkin_ck, CK_443X), + CLK("omap_timer.4", "sys_ck", &sys_clkin_ck, CK_443X), + CLK("omap_timer.9", "sys_ck", &sys_clkin_ck, CK_443X), + CLK("omap_timer.10", "sys_ck", &sys_clkin_ck, CK_443X), + CLK("omap_timer.11", "sys_ck", &sys_clkin_ck, CK_443X), + CLK("omap_timer.5", "sys_ck", &syc_clk_div_ck, CK_443X), + CLK("omap_timer.6", "sys_ck", &syc_clk_div_ck, CK_443X), + CLK("omap_timer.7", "sys_ck", &syc_clk_div_ck, CK_443X), + CLK("omap_timer.8", "sys_ck", &syc_clk_div_ck, CK_443X), }; int __init omap4xxx_clk_init(void) diff --git a/arch/arm/mach-omap2/omap_hwmod_2420_data.c b/arch/arm/mach-omap2/omap_hwmod_2420_data.c index b6ea69a5c2f..6d720621352 100644 --- a/arch/arm/mach-omap2/omap_hwmod_2420_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_2420_data.c @@ -269,6 +269,16 @@ static struct omap_hwmod omap2420_iva_hwmod = { .masters_cnt = ARRAY_SIZE(omap2420_iva_masters), }; +/* always-on timers dev attribute */ +static struct omap_timer_capability_dev_attr capability_alwon_dev_attr = { + .timer_capability = OMAP_TIMER_ALWON, +}; + +/* pwm timers dev attribute */ +static struct omap_timer_capability_dev_attr capability_pwm_dev_attr = { + .timer_capability = OMAP_TIMER_HAS_PWM, +}; + /* timer1 */ static struct omap_hwmod omap2420_timer1_hwmod; @@ -309,6 +319,7 @@ static struct omap_hwmod omap2420_timer1_hwmod = { .idlest_idle_bit = OMAP24XX_ST_GPT1_SHIFT, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap2420_timer1_slaves, .slaves_cnt = ARRAY_SIZE(omap2420_timer1_slaves), .class = &omap2xxx_timer_hwmod_class, @@ -345,6 +356,7 @@ static struct omap_hwmod omap2420_timer2_hwmod = { .idlest_idle_bit = OMAP24XX_ST_GPT2_SHIFT, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap2420_timer2_slaves, .slaves_cnt = ARRAY_SIZE(omap2420_timer2_slaves), .class = &omap2xxx_timer_hwmod_class, @@ -381,6 +393,7 @@ static struct omap_hwmod omap2420_timer3_hwmod = { .idlest_idle_bit = OMAP24XX_ST_GPT3_SHIFT, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap2420_timer3_slaves, .slaves_cnt = ARRAY_SIZE(omap2420_timer3_slaves), .class = &omap2xxx_timer_hwmod_class, @@ -417,6 +430,7 @@ static struct omap_hwmod omap2420_timer4_hwmod = { .idlest_idle_bit = OMAP24XX_ST_GPT4_SHIFT, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap2420_timer4_slaves, .slaves_cnt = ARRAY_SIZE(omap2420_timer4_slaves), .class = &omap2xxx_timer_hwmod_class, @@ -453,6 +467,7 @@ static struct omap_hwmod omap2420_timer5_hwmod = { .idlest_idle_bit = OMAP24XX_ST_GPT5_SHIFT, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap2420_timer5_slaves, .slaves_cnt = ARRAY_SIZE(omap2420_timer5_slaves), .class = &omap2xxx_timer_hwmod_class, @@ -490,6 +505,7 @@ static struct omap_hwmod omap2420_timer6_hwmod = { .idlest_idle_bit = OMAP24XX_ST_GPT6_SHIFT, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap2420_timer6_slaves, .slaves_cnt = ARRAY_SIZE(omap2420_timer6_slaves), .class = &omap2xxx_timer_hwmod_class, @@ -526,6 +542,7 @@ static struct omap_hwmod omap2420_timer7_hwmod = { .idlest_idle_bit = OMAP24XX_ST_GPT7_SHIFT, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap2420_timer7_slaves, .slaves_cnt = ARRAY_SIZE(omap2420_timer7_slaves), .class = &omap2xxx_timer_hwmod_class, @@ -562,6 +579,7 @@ static struct omap_hwmod omap2420_timer8_hwmod = { .idlest_idle_bit = OMAP24XX_ST_GPT8_SHIFT, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap2420_timer8_slaves, .slaves_cnt = ARRAY_SIZE(omap2420_timer8_slaves), .class = &omap2xxx_timer_hwmod_class, @@ -598,6 +616,7 @@ static struct omap_hwmod omap2420_timer9_hwmod = { .idlest_idle_bit = OMAP24XX_ST_GPT9_SHIFT, }, }, + .dev_attr = &capability_pwm_dev_attr, .slaves = omap2420_timer9_slaves, .slaves_cnt = ARRAY_SIZE(omap2420_timer9_slaves), .class = &omap2xxx_timer_hwmod_class, @@ -634,6 +653,7 @@ static struct omap_hwmod omap2420_timer10_hwmod = { .idlest_idle_bit = OMAP24XX_ST_GPT10_SHIFT, }, }, + .dev_attr = &capability_pwm_dev_attr, .slaves = omap2420_timer10_slaves, .slaves_cnt = ARRAY_SIZE(omap2420_timer10_slaves), .class = &omap2xxx_timer_hwmod_class, @@ -670,6 +690,7 @@ static struct omap_hwmod omap2420_timer11_hwmod = { .idlest_idle_bit = OMAP24XX_ST_GPT11_SHIFT, }, }, + .dev_attr = &capability_pwm_dev_attr, .slaves = omap2420_timer11_slaves, .slaves_cnt = ARRAY_SIZE(omap2420_timer11_slaves), .class = &omap2xxx_timer_hwmod_class, @@ -706,6 +727,7 @@ static struct omap_hwmod omap2420_timer12_hwmod = { .idlest_idle_bit = OMAP24XX_ST_GPT12_SHIFT, }, }, + .dev_attr = &capability_pwm_dev_attr, .slaves = omap2420_timer12_slaves, .slaves_cnt = ARRAY_SIZE(omap2420_timer12_slaves), .class = &omap2xxx_timer_hwmod_class, diff --git a/arch/arm/mach-omap2/omap_hwmod_2430_data.c b/arch/arm/mach-omap2/omap_hwmod_2430_data.c index 56de8d61631..a2580d01c3f 100644 --- a/arch/arm/mach-omap2/omap_hwmod_2430_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_2430_data.c @@ -343,6 +343,16 @@ static struct omap_hwmod omap2430_iva_hwmod = { .masters_cnt = ARRAY_SIZE(omap2430_iva_masters), }; +/* always-on timers dev attribute */ +static struct omap_timer_capability_dev_attr capability_alwon_dev_attr = { + .timer_capability = OMAP_TIMER_ALWON, +}; + +/* pwm timers dev attribute */ +static struct omap_timer_capability_dev_attr capability_pwm_dev_attr = { + .timer_capability = OMAP_TIMER_HAS_PWM, +}; + /* timer1 */ static struct omap_hwmod omap2430_timer1_hwmod; @@ -383,6 +393,7 @@ static struct omap_hwmod omap2430_timer1_hwmod = { .idlest_idle_bit = OMAP24XX_ST_GPT1_SHIFT, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap2430_timer1_slaves, .slaves_cnt = ARRAY_SIZE(omap2430_timer1_slaves), .class = &omap2xxx_timer_hwmod_class, @@ -419,6 +430,7 @@ static struct omap_hwmod omap2430_timer2_hwmod = { .idlest_idle_bit = OMAP24XX_ST_GPT2_SHIFT, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap2430_timer2_slaves, .slaves_cnt = ARRAY_SIZE(omap2430_timer2_slaves), .class = &omap2xxx_timer_hwmod_class, @@ -455,6 +467,7 @@ static struct omap_hwmod omap2430_timer3_hwmod = { .idlest_idle_bit = OMAP24XX_ST_GPT3_SHIFT, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap2430_timer3_slaves, .slaves_cnt = ARRAY_SIZE(omap2430_timer3_slaves), .class = &omap2xxx_timer_hwmod_class, @@ -491,6 +504,7 @@ static struct omap_hwmod omap2430_timer4_hwmod = { .idlest_idle_bit = OMAP24XX_ST_GPT4_SHIFT, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap2430_timer4_slaves, .slaves_cnt = ARRAY_SIZE(omap2430_timer4_slaves), .class = &omap2xxx_timer_hwmod_class, @@ -527,6 +541,7 @@ static struct omap_hwmod omap2430_timer5_hwmod = { .idlest_idle_bit = OMAP24XX_ST_GPT5_SHIFT, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap2430_timer5_slaves, .slaves_cnt = ARRAY_SIZE(omap2430_timer5_slaves), .class = &omap2xxx_timer_hwmod_class, @@ -563,6 +578,7 @@ static struct omap_hwmod omap2430_timer6_hwmod = { .idlest_idle_bit = OMAP24XX_ST_GPT6_SHIFT, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap2430_timer6_slaves, .slaves_cnt = ARRAY_SIZE(omap2430_timer6_slaves), .class = &omap2xxx_timer_hwmod_class, @@ -599,6 +615,7 @@ static struct omap_hwmod omap2430_timer7_hwmod = { .idlest_idle_bit = OMAP24XX_ST_GPT7_SHIFT, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap2430_timer7_slaves, .slaves_cnt = ARRAY_SIZE(omap2430_timer7_slaves), .class = &omap2xxx_timer_hwmod_class, @@ -635,6 +652,7 @@ static struct omap_hwmod omap2430_timer8_hwmod = { .idlest_idle_bit = OMAP24XX_ST_GPT8_SHIFT, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap2430_timer8_slaves, .slaves_cnt = ARRAY_SIZE(omap2430_timer8_slaves), .class = &omap2xxx_timer_hwmod_class, @@ -671,6 +689,7 @@ static struct omap_hwmod omap2430_timer9_hwmod = { .idlest_idle_bit = OMAP24XX_ST_GPT9_SHIFT, }, }, + .dev_attr = &capability_pwm_dev_attr, .slaves = omap2430_timer9_slaves, .slaves_cnt = ARRAY_SIZE(omap2430_timer9_slaves), .class = &omap2xxx_timer_hwmod_class, @@ -707,6 +726,7 @@ static struct omap_hwmod omap2430_timer10_hwmod = { .idlest_idle_bit = OMAP24XX_ST_GPT10_SHIFT, }, }, + .dev_attr = &capability_pwm_dev_attr, .slaves = omap2430_timer10_slaves, .slaves_cnt = ARRAY_SIZE(omap2430_timer10_slaves), .class = &omap2xxx_timer_hwmod_class, @@ -743,6 +763,7 @@ static struct omap_hwmod omap2430_timer11_hwmod = { .idlest_idle_bit = OMAP24XX_ST_GPT11_SHIFT, }, }, + .dev_attr = &capability_pwm_dev_attr, .slaves = omap2430_timer11_slaves, .slaves_cnt = ARRAY_SIZE(omap2430_timer11_slaves), .class = &omap2xxx_timer_hwmod_class, @@ -779,6 +800,7 @@ static struct omap_hwmod omap2430_timer12_hwmod = { .idlest_idle_bit = OMAP24XX_ST_GPT12_SHIFT, }, }, + .dev_attr = &capability_pwm_dev_attr, .slaves = omap2430_timer12_slaves, .slaves_cnt = ARRAY_SIZE(omap2430_timer12_slaves), .class = &omap2xxx_timer_hwmod_class, diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c index ab35acbc2d1..2e4852d9574 100644 --- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c @@ -564,6 +564,21 @@ static struct omap_hwmod_class omap3xxx_timer_hwmod_class = { .rev = OMAP_TIMER_IP_VERSION_1, }; +/* secure timers dev attribute */ +static struct omap_timer_capability_dev_attr capability_secure_dev_attr = { + .timer_capability = OMAP_TIMER_SECURE, +}; + +/* always-on timers dev attribute */ +static struct omap_timer_capability_dev_attr capability_alwon_dev_attr = { + .timer_capability = OMAP_TIMER_ALWON, +}; + +/* pwm timers dev attribute */ +static struct omap_timer_capability_dev_attr capability_pwm_dev_attr = { + .timer_capability = OMAP_TIMER_HAS_PWM, +}; + /* timer1 */ static struct omap_hwmod omap3xxx_timer1_hwmod; @@ -604,6 +619,7 @@ static struct omap_hwmod omap3xxx_timer1_hwmod = { .idlest_idle_bit = OMAP3430_ST_GPT1_SHIFT, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap3xxx_timer1_slaves, .slaves_cnt = ARRAY_SIZE(omap3xxx_timer1_slaves), .class = &omap3xxx_timer_1ms_hwmod_class, @@ -649,6 +665,7 @@ static struct omap_hwmod omap3xxx_timer2_hwmod = { .idlest_idle_bit = OMAP3430_ST_GPT2_SHIFT, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap3xxx_timer2_slaves, .slaves_cnt = ARRAY_SIZE(omap3xxx_timer2_slaves), .class = &omap3xxx_timer_1ms_hwmod_class, @@ -694,6 +711,7 @@ static struct omap_hwmod omap3xxx_timer3_hwmod = { .idlest_idle_bit = OMAP3430_ST_GPT3_SHIFT, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap3xxx_timer3_slaves, .slaves_cnt = ARRAY_SIZE(omap3xxx_timer3_slaves), .class = &omap3xxx_timer_hwmod_class, @@ -739,6 +757,7 @@ static struct omap_hwmod omap3xxx_timer4_hwmod = { .idlest_idle_bit = OMAP3430_ST_GPT4_SHIFT, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap3xxx_timer4_slaves, .slaves_cnt = ARRAY_SIZE(omap3xxx_timer4_slaves), .class = &omap3xxx_timer_hwmod_class, @@ -784,6 +803,7 @@ static struct omap_hwmod omap3xxx_timer5_hwmod = { .idlest_idle_bit = OMAP3430_ST_GPT5_SHIFT, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap3xxx_timer5_slaves, .slaves_cnt = ARRAY_SIZE(omap3xxx_timer5_slaves), .class = &omap3xxx_timer_hwmod_class, @@ -829,6 +849,7 @@ static struct omap_hwmod omap3xxx_timer6_hwmod = { .idlest_idle_bit = OMAP3430_ST_GPT6_SHIFT, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap3xxx_timer6_slaves, .slaves_cnt = ARRAY_SIZE(omap3xxx_timer6_slaves), .class = &omap3xxx_timer_hwmod_class, @@ -874,6 +895,7 @@ static struct omap_hwmod omap3xxx_timer7_hwmod = { .idlest_idle_bit = OMAP3430_ST_GPT7_SHIFT, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap3xxx_timer7_slaves, .slaves_cnt = ARRAY_SIZE(omap3xxx_timer7_slaves), .class = &omap3xxx_timer_hwmod_class, @@ -919,6 +941,7 @@ static struct omap_hwmod omap3xxx_timer8_hwmod = { .idlest_idle_bit = OMAP3430_ST_GPT8_SHIFT, }, }, + .dev_attr = &capability_pwm_dev_attr, .slaves = omap3xxx_timer8_slaves, .slaves_cnt = ARRAY_SIZE(omap3xxx_timer8_slaves), .class = &omap3xxx_timer_hwmod_class, @@ -964,6 +987,7 @@ static struct omap_hwmod omap3xxx_timer9_hwmod = { .idlest_idle_bit = OMAP3430_ST_GPT9_SHIFT, }, }, + .dev_attr = &capability_pwm_dev_attr, .slaves = omap3xxx_timer9_slaves, .slaves_cnt = ARRAY_SIZE(omap3xxx_timer9_slaves), .class = &omap3xxx_timer_hwmod_class, @@ -1000,6 +1024,7 @@ static struct omap_hwmod omap3xxx_timer10_hwmod = { .idlest_idle_bit = OMAP3430_ST_GPT10_SHIFT, }, }, + .dev_attr = &capability_pwm_dev_attr, .slaves = omap3xxx_timer10_slaves, .slaves_cnt = ARRAY_SIZE(omap3xxx_timer10_slaves), .class = &omap3xxx_timer_1ms_hwmod_class, @@ -1036,6 +1061,7 @@ static struct omap_hwmod omap3xxx_timer11_hwmod = { .idlest_idle_bit = OMAP3430_ST_GPT11_SHIFT, }, }, + .dev_attr = &capability_pwm_dev_attr, .slaves = omap3xxx_timer11_slaves, .slaves_cnt = ARRAY_SIZE(omap3xxx_timer11_slaves), .class = &omap3xxx_timer_hwmod_class, @@ -1085,6 +1111,7 @@ static struct omap_hwmod omap3xxx_timer12_hwmod = { .idlest_idle_bit = OMAP3430_ST_GPT12_SHIFT, }, }, + .dev_attr = &capability_secure_dev_attr, .slaves = omap3xxx_timer12_slaves, .slaves_cnt = ARRAY_SIZE(omap3xxx_timer12_slaves), .class = &omap3xxx_timer_hwmod_class, diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c index fd1074a024b..7695e5d4331 100644 --- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c @@ -29,6 +29,7 @@ #include <plat/mcbsp.h> #include <plat/mmc.h> #include <plat/i2c.h> +#include <plat/dmtimer.h> #include "omap_hwmod_common_data.h" @@ -4201,6 +4202,16 @@ static struct omap_hwmod_class omap44xx_timer_hwmod_class = { .sysc = &omap44xx_timer_sysc, }; +/* always-on timers dev attribute */ +static struct omap_timer_capability_dev_attr capability_alwon_dev_attr = { + .timer_capability = OMAP_TIMER_ALWON, +}; + +/* pwm timers dev attribute */ +static struct omap_timer_capability_dev_attr capability_pwm_dev_attr = { + .timer_capability = OMAP_TIMER_HAS_PWM, +}; + /* timer1 */ static struct omap_hwmod omap44xx_timer1_hwmod; static struct omap_hwmod_irq_info omap44xx_timer1_irqs[] = { @@ -4244,6 +4255,7 @@ static struct omap_hwmod omap44xx_timer1_hwmod = { .modulemode = MODULEMODE_SWCTRL, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap44xx_timer1_slaves, .slaves_cnt = ARRAY_SIZE(omap44xx_timer1_slaves), }; @@ -4291,6 +4303,7 @@ static struct omap_hwmod omap44xx_timer2_hwmod = { .modulemode = MODULEMODE_SWCTRL, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap44xx_timer2_slaves, .slaves_cnt = ARRAY_SIZE(omap44xx_timer2_slaves), }; @@ -4338,6 +4351,7 @@ static struct omap_hwmod omap44xx_timer3_hwmod = { .modulemode = MODULEMODE_SWCTRL, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap44xx_timer3_slaves, .slaves_cnt = ARRAY_SIZE(omap44xx_timer3_slaves), }; @@ -4385,6 +4399,7 @@ static struct omap_hwmod omap44xx_timer4_hwmod = { .modulemode = MODULEMODE_SWCTRL, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap44xx_timer4_slaves, .slaves_cnt = ARRAY_SIZE(omap44xx_timer4_slaves), }; @@ -4451,6 +4466,7 @@ static struct omap_hwmod omap44xx_timer5_hwmod = { .modulemode = MODULEMODE_SWCTRL, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap44xx_timer5_slaves, .slaves_cnt = ARRAY_SIZE(omap44xx_timer5_slaves), }; @@ -4518,6 +4534,7 @@ static struct omap_hwmod omap44xx_timer6_hwmod = { .modulemode = MODULEMODE_SWCTRL, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap44xx_timer6_slaves, .slaves_cnt = ARRAY_SIZE(omap44xx_timer6_slaves), }; @@ -4584,6 +4601,7 @@ static struct omap_hwmod omap44xx_timer7_hwmod = { .modulemode = MODULEMODE_SWCTRL, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap44xx_timer7_slaves, .slaves_cnt = ARRAY_SIZE(omap44xx_timer7_slaves), }; @@ -4650,6 +4668,7 @@ static struct omap_hwmod omap44xx_timer8_hwmod = { .modulemode = MODULEMODE_SWCTRL, }, }, + .dev_attr = &capability_pwm_dev_attr, .slaves = omap44xx_timer8_slaves, .slaves_cnt = ARRAY_SIZE(omap44xx_timer8_slaves), }; @@ -4697,6 +4716,7 @@ static struct omap_hwmod omap44xx_timer9_hwmod = { .modulemode = MODULEMODE_SWCTRL, }, }, + .dev_attr = &capability_pwm_dev_attr, .slaves = omap44xx_timer9_slaves, .slaves_cnt = ARRAY_SIZE(omap44xx_timer9_slaves), }; @@ -4744,6 +4764,7 @@ static struct omap_hwmod omap44xx_timer10_hwmod = { .modulemode = MODULEMODE_SWCTRL, }, }, + .dev_attr = &capability_pwm_dev_attr, .slaves = omap44xx_timer10_slaves, .slaves_cnt = ARRAY_SIZE(omap44xx_timer10_slaves), }; @@ -4791,6 +4812,7 @@ static struct omap_hwmod omap44xx_timer11_hwmod = { .modulemode = MODULEMODE_SWCTRL, }, }, + .dev_attr = &capability_pwm_dev_attr, .slaves = omap44xx_timer11_slaves, .slaves_cnt = ARRAY_SIZE(omap44xx_timer11_slaves), }; diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c index cf1de7d2630..1140e98c977 100644 --- a/arch/arm/mach-omap2/timer.c +++ b/arch/arm/mach-omap2/timer.c @@ -35,6 +35,7 @@ #include <linux/irq.h> #include <linux/clocksource.h> #include <linux/clockchips.h> +#include <linux/slab.h> #include <asm/mach/time.h> #include <plat/dmtimer.h> @@ -42,6 +43,10 @@ #include <asm/sched_clock.h> #include <plat/common.h> #include <plat/omap_hwmod.h> +#include <plat/omap_device.h> +#include <plat/omap-pm.h> + +#include "powerdomain.h" /* Parent clocks, eventually these will come from the clock framework */ @@ -67,7 +72,7 @@ /* MAX_GPTIMER_ID: number of GPTIMERs on the chip */ #define MAX_GPTIMER_ID 12 -u32 sys_timer_reserved; +static u32 sys_timer_reserved; /* Clockevent code */ @@ -78,7 +83,7 @@ static irqreturn_t omap2_gp_timer_interrupt(int irq, void *dev_id) { struct clock_event_device *evt = &clockevent_gpt; - __omap_dm_timer_write_status(clkev.io_base, OMAP_TIMER_INT_OVERFLOW); + __omap_dm_timer_write_status(&clkev, OMAP_TIMER_INT_OVERFLOW); evt->event_handler(evt); return IRQ_HANDLED; @@ -93,7 +98,7 @@ static struct irqaction omap2_gp_timer_irq = { static int omap2_gp_timer_set_next_event(unsigned long cycles, struct clock_event_device *evt) { - __omap_dm_timer_load_start(clkev.io_base, OMAP_TIMER_CTRL_ST, + __omap_dm_timer_load_start(&clkev, OMAP_TIMER_CTRL_ST, 0xffffffff - cycles, 1); return 0; @@ -104,16 +109,16 @@ static void omap2_gp_timer_set_mode(enum clock_event_mode mode, { u32 period; - __omap_dm_timer_stop(clkev.io_base, 1, clkev.rate); + __omap_dm_timer_stop(&clkev, 1, clkev.rate); switch (mode) { case CLOCK_EVT_MODE_PERIODIC: period = clkev.rate / HZ; period -= 1; /* Looks like we need to first set the load value separately */ - __omap_dm_timer_write(clkev.io_base, OMAP_TIMER_LOAD_REG, + __omap_dm_timer_write(&clkev, OMAP_TIMER_LOAD_REG, 0xffffffff - period, 1); - __omap_dm_timer_load_start(clkev.io_base, + __omap_dm_timer_load_start(&clkev, OMAP_TIMER_CTRL_AR | OMAP_TIMER_CTRL_ST, 0xffffffff - period, 1); break; @@ -189,7 +194,8 @@ static int __init omap_dm_timer_init_one(struct omap_dm_timer *timer, clk_put(src); } } - __omap_dm_timer_reset(timer->io_base, 1, 1); + __omap_dm_timer_init_regs(timer); + __omap_dm_timer_reset(timer, 1, 1); timer->posted = 1; timer->rate = clk_get_rate(timer->fclk); @@ -210,7 +216,7 @@ static void __init omap2_gp_clockevent_init(int gptimer_id, omap2_gp_timer_irq.dev_id = (void *)&clkev; setup_irq(clkev.irq, &omap2_gp_timer_irq); - __omap_dm_timer_int_enable(clkev.io_base, OMAP_TIMER_INT_OVERFLOW); + __omap_dm_timer_int_enable(&clkev, OMAP_TIMER_INT_OVERFLOW); clockevent_gpt.mult = div_sc(clkev.rate, NSEC_PER_SEC, clockevent_gpt.shift); @@ -251,7 +257,7 @@ static struct omap_dm_timer clksrc; static DEFINE_CLOCK_DATA(cd); static cycle_t clocksource_read_cycles(struct clocksource *cs) { - return (cycle_t)__omap_dm_timer_read_counter(clksrc.io_base, 1); + return (cycle_t)__omap_dm_timer_read_counter(&clksrc, 1); } static struct clocksource clocksource_gpt = { @@ -266,7 +272,7 @@ static void notrace dmtimer_update_sched_clock(void) { u32 cyc; - cyc = __omap_dm_timer_read_counter(clksrc.io_base, 1); + cyc = __omap_dm_timer_read_counter(&clksrc, 1); update_sched_clock(&cd, cyc, (u32)~0); } @@ -276,7 +282,7 @@ unsigned long long notrace sched_clock(void) u32 cyc = 0; if (clksrc.reserved) - cyc = __omap_dm_timer_read_counter(clksrc.io_base, 1); + cyc = __omap_dm_timer_read_counter(&clksrc, 1); return cyc_to_sched_clock(&cd, cyc, (u32)~0); } @@ -293,7 +299,7 @@ static void __init omap2_gp_clocksource_init(int gptimer_id, pr_info("OMAP clocksource: GPTIMER%d at %lu Hz\n", gptimer_id, clksrc.rate); - __omap_dm_timer_load_start(clksrc.io_base, + __omap_dm_timer_load_start(&clksrc, OMAP_TIMER_CTRL_ST | OMAP_TIMER_CTRL_AR, 0, 1); init_sched_clock(&cd, dmtimer_update_sched_clock, 32, clksrc.rate); @@ -341,3 +347,167 @@ static void __init omap4_timer_init(void) } OMAP_SYS_TIMER(4) #endif + +/** + * omap2_dm_timer_set_src - change the timer input clock source + * @pdev: timer platform device pointer + * @source: array index of parent clock source + */ +static int omap2_dm_timer_set_src(struct platform_device *pdev, int source) +{ + int ret; + struct dmtimer_platform_data *pdata = pdev->dev.platform_data; + struct clk *fclk, *parent; + char *parent_name = NULL; + + fclk = clk_get(&pdev->dev, "fck"); + if (IS_ERR_OR_NULL(fclk)) { + dev_err(&pdev->dev, "%s: %d: clk_get() FAILED\n", + __func__, __LINE__); + return -EINVAL; + } + + switch (source) { + case OMAP_TIMER_SRC_SYS_CLK: + parent_name = "sys_ck"; + break; + + case OMAP_TIMER_SRC_32_KHZ: + parent_name = "32k_ck"; + break; + + case OMAP_TIMER_SRC_EXT_CLK: + if (pdata->timer_ip_version == OMAP_TIMER_IP_VERSION_1) { + parent_name = "alt_ck"; + break; + } + dev_err(&pdev->dev, "%s: %d: invalid clk src.\n", + __func__, __LINE__); + clk_put(fclk); + return -EINVAL; + } + + parent = clk_get(&pdev->dev, parent_name); + if (IS_ERR_OR_NULL(parent)) { + dev_err(&pdev->dev, "%s: %d: clk_get() %s FAILED\n", + __func__, __LINE__, parent_name); + clk_put(fclk); + return -EINVAL; + } + + ret = clk_set_parent(fclk, parent); + if (IS_ERR_VALUE(ret)) { + dev_err(&pdev->dev, "%s: clk_set_parent() to %s FAILED\n", + __func__, parent_name); + ret = -EINVAL; + } + + clk_put(parent); + clk_put(fclk); + + return ret; +} + +struct omap_device_pm_latency omap2_dmtimer_latency[] = { + { + .deactivate_func = omap_device_idle_hwmods, + .activate_func = omap_device_enable_hwmods, + .flags = OMAP_DEVICE_LATENCY_AUTO_ADJUST, + }, +}; + +/** + * omap_timer_init - build and register timer device with an + * associated timer hwmod + * @oh: timer hwmod pointer to be used to build timer device + * @user: parameter that can be passed from calling hwmod API + * + * Called by omap_hwmod_for_each_by_class to register each of the timer + * devices present in the system. The number of timer devices is known + * by parsing through the hwmod database for a given class name. At the + * end of function call memory is allocated for timer device and it is + * registered to the framework ready to be proved by the driver. + */ +static int __init omap_timer_init(struct omap_hwmod *oh, void *unused) +{ + int id; + int ret = 0; + char *name = "omap_timer"; + struct dmtimer_platform_data *pdata; + struct omap_device *od; + struct omap_timer_capability_dev_attr *timer_dev_attr; + struct powerdomain *pwrdm; + + pr_debug("%s: %s\n", __func__, oh->name); + + /* on secure device, do not register secure timer */ + timer_dev_attr = oh->dev_attr; + if (omap_type() != OMAP2_DEVICE_TYPE_GP && timer_dev_attr) + if (timer_dev_attr->timer_capability == OMAP_TIMER_SECURE) + return ret; + + pdata = kzalloc(sizeof(*pdata), GFP_KERNEL); + if (!pdata) { + pr_err("%s: No memory for [%s]\n", __func__, oh->name); + return -ENOMEM; + } + + /* + * Extract the IDs from name field in hwmod database + * and use the same for constructing ids' for the + * timer devices. In a way, we are avoiding usage of + * static variable witin the function to do the same. + * CAUTION: We have to be careful and make sure the + * name in hwmod database does not change in which case + * we might either make corresponding change here or + * switch back static variable mechanism. + */ + sscanf(oh->name, "timer%2d", &id); + + pdata->set_timer_src = omap2_dm_timer_set_src; + pdata->timer_ip_version = oh->class->rev; + + /* Mark clocksource and clockevent timers as reserved */ + if ((sys_timer_reserved >> (id - 1)) & 0x1) + pdata->reserved = 1; + + pwrdm = omap_hwmod_get_pwrdm(oh); + pdata->loses_context = pwrdm_can_ever_lose_context(pwrdm); +#ifdef CONFIG_PM + pdata->get_context_loss_count = omap_pm_get_dev_context_loss_count; +#endif + od = omap_device_build(name, id, oh, pdata, sizeof(*pdata), + omap2_dmtimer_latency, + ARRAY_SIZE(omap2_dmtimer_latency), + 0); + + if (IS_ERR(od)) { + pr_err("%s: Can't build omap_device for %s: %s.\n", + __func__, name, oh->name); + ret = -EINVAL; + } + + kfree(pdata); + + return ret; +} + +/** + * omap2_dm_timer_init - top level regular device initialization + * + * Uses dedicated hwmod api to parse through hwmod database for + * given class name and then build and register the timer device. + */ +static int __init omap2_dm_timer_init(void) +{ + int ret; + + ret = omap_hwmod_for_each_by_class("timer", omap_timer_init, NULL); + if (unlikely(ret)) { + pr_err("%s: device registration failed.\n", __func__); + return -EINVAL; + } + + return 0; +} +arch_initcall(omap2_dm_timer_init); |