Messages in this thread Patch in this message | | | From | "Peng Fan (OSS)" <> | Subject | [PATCH 2/2] clocksource/drivers/imx-sysctr: handle nxp,no-divider property | Date | Fri, 2 Sep 2022 19:12:07 +0800 |
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From: Peng Fan <peng.fan@nxp.com>
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> --- drivers/clocksource/timer-imx-sysctr.c | 6 ++++-- 1 file 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); -- 2.37.1
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