diff options
| author |   Peng Fan <peng.fan@nxp.com> | 2022-09-02 19:12:07 +0800 |
|---|---|---|
| committer |   Daniel Lezcano <daniel.lezcano@linaro.org> | 2022-09-20 10:49:46 +0200 |
| commit | 27b30995b75d1e79360c164ba179bca86ab76ba6 (patch) | |
| tree | f76320b2b0ae1e8845091d6d3706d1880c22db56 /drivers/clocksource | |
| parent | dt-bindings: timer: nxp,sysctr-timer: add nxp,no-divider property (diff) | |
| download | linux-dev-27b30995b75d1e79360c164ba179bca86ab76ba6.tar.xz linux-dev-27b30995b75d1e79360c164ba179bca86ab76ba6.zip | |
clocksource/drivers/imx-sysctr: handle nxp,no-divider property
The previous hardware design embedds a internal divider for base clock.
New design not has that divider, so check the nxp,no-divider property,
if true, directly use base clock input, otherwise divide by 3 as before.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Link: https://lore.kernel.org/r/20220902111207.2902493-3-peng.fan@oss.nxp.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Diffstat (limited to 'drivers/clocksource')
| -rw-r--r-- | drivers/clocksource/timer-imx-sysctr.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/clocksource/timer-imx-sysctr.c b/drivers/clocksource/timer-imx-sysctr.c index 523e37662a6e..5a7a951c4efc 100644 --- a/drivers/clocksource/timer-imx-sysctr.c +++ b/drivers/clocksource/timer-imx-sysctr.c @@ -134,8 +134,10 @@ static int __init sysctr_timer_init(struct device_node *np) if (ret) return ret; - /* system counter clock is divided by 3 internally */ - to_sysctr.of_clk.rate /= SYS_CTR_CLK_DIV; + if (!of_property_read_bool(np, "nxp,no-divider")) { + /* system counter clock is divided by 3 internally */ + to_sysctr.of_clk.rate /= SYS_CTR_CLK_DIV; + } sys_ctr_base = timer_of_base(&to_sysctr); cmpcr = readl(sys_ctr_base + CMPCR); |