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clocksource/drivers/imx-sysctr: handle nxp,no-divider property

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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>
This commit is contained in:
Peng Fan 2022-09-02 19:12:07 +08:00 committed by Daniel Lezcano
parent 061f42748d
commit 27b30995b7
1 changed files with 4 additions and 2 deletions
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6
drivers/clocksource/timer-imx-sysctr.c
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@ -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);