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author | Thomas Gleixner <tglx@linutronix.de> | 2014-11-27 11:47:10 +0100 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2014-11-27 11:47:38 +0100 |
commit | 89de77a8c557f14d2713a1f43fbc33980e639b98 (patch) | |
tree | 3d7f32120b6b155e3d1374b277a6333cdb9c31cc /drivers/clocksource/time-armada-370-xp.c | |
parent | time: Fix sign bug in NTP mult overflow warning (diff) | |
parent | clocksource: armada-370-xp: Use the reference clock on A375 SoC (diff) | |
download | linux-89de77a8c557f14d2713a1f43fbc33980e639b98.tar.xz linux-89de77a8c557f14d2713a1f43fbc33980e639b98.zip |
Merge branch 'clockevents/3.19' of http://git.linaro.org/people/daniel.lezcano/linux into timers/core
Daniel Lezcano muttered:
* Marvell timer updates from Ezequiel Garcia
- Add missing clock enable calls for armada
- Change source clock for clocksource and watchdog
* SIRF timer updates from Yanchang Li
- Make clock rate configurable
Diffstat (limited to 'drivers/clocksource/time-armada-370-xp.c')
-rw-r--r-- | drivers/clocksource/time-armada-370-xp.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/clocksource/time-armada-370-xp.c b/drivers/clocksource/time-armada-370-xp.c index 0451e62fac7a..3a0704b0d739 100644 --- a/drivers/clocksource/time-armada-370-xp.c +++ b/drivers/clocksource/time-armada-370-xp.c @@ -293,6 +293,7 @@ static void __init armada_xp_timer_init(struct device_node *np) /* The 25Mhz fixed clock is mandatory, and must always be available */ BUG_ON(IS_ERR(clk)); + clk_prepare_enable(clk); timer_clk = clk_get_rate(clk); armada_370_xp_timer_common_init(np); @@ -300,11 +301,40 @@ static void __init armada_xp_timer_init(struct device_node *np) CLOCKSOURCE_OF_DECLARE(armada_xp, "marvell,armada-xp-timer", armada_xp_timer_init); +static void __init armada_375_timer_init(struct device_node *np) +{ + struct clk *clk; + + clk = of_clk_get_by_name(np, "fixed"); + if (!IS_ERR(clk)) { + clk_prepare_enable(clk); + timer_clk = clk_get_rate(clk); + } else { + + /* + * This fallback is required in order to retain proper + * devicetree backwards compatibility. + */ + clk = of_clk_get(np, 0); + + /* Must have at least a clock */ + BUG_ON(IS_ERR(clk)); + clk_prepare_enable(clk); + timer_clk = clk_get_rate(clk) / TIMER_DIVIDER; + timer25Mhz = false; + } + + armada_370_xp_timer_common_init(np); +} +CLOCKSOURCE_OF_DECLARE(armada_375, "marvell,armada-375-timer", + armada_375_timer_init); + static void __init armada_370_timer_init(struct device_node *np) { struct clk *clk = of_clk_get(np, 0); BUG_ON(IS_ERR(clk)); + clk_prepare_enable(clk); timer_clk = clk_get_rate(clk) / TIMER_DIVIDER; timer25Mhz = false; |