diff options
Diffstat (limited to 'drivers/clocksource')
| -rw-r--r-- | drivers/clocksource/timer-msc313e.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/clocksource/timer-msc313e.c b/drivers/clocksource/timer-msc313e.c index 154e73444a0c..54c54ca7c786 100644 --- a/drivers/clocksource/timer-msc313e.c +++ b/drivers/clocksource/timer-msc313e.c @@ -33,7 +33,9 @@ #define MSC313E_REG_TIMER_MAX_HIGH 0x0c #define MSC313E_REG_COUNTER_LOW 0x10 #define MSC313E_REG_COUNTER_HIGH 0x14 +#define MSC313E_REG_TIMER_DIVIDE 0x18 +#define MSC313E_CLK_DIVIDER 9 #define TIMER_SYNC_TICKS 3 #ifdef CONFIG_ARM @@ -179,6 +181,12 @@ static int __init msc313e_clkevt_init(struct device_node *np) if (ret) return ret; + if (of_device_is_compatible(np, "sstar,ssd20xd-timer")) { + to->of_clk.rate = clk_get_rate(to->of_clk.clk) / MSC313E_CLK_DIVIDER; + to->of_clk.period = DIV_ROUND_UP(to->of_clk.rate, HZ); + writew(MSC313E_CLK_DIVIDER - 1, timer_of_base(to) + MSC313E_REG_TIMER_DIVIDE); + } + msc313e_clkevt.cpumask = cpu_possible_mask; msc313e_clkevt.irq = to->of_irq.irq; to->clkevt = msc313e_clkevt; @@ -242,3 +250,4 @@ static int __init msc313e_timer_init(struct device_node *np) } TIMER_OF_DECLARE(msc313, "mstar,msc313e-timer", msc313e_timer_init); +TIMER_OF_DECLARE(ssd20xd, "sstar,ssd20xd-timer", msc313e_timer_init); |