Re: [PATCH v6 0/6] clk: Support spread spectrum and use it in clk-scmi
From: Sebin Francis
Date: Tue Dec 23 2025 - 07:02:59 EST
Hi Peng,
On 28/11/25 08:44, Peng Fan (OSS) wrote:
Since the assigned-clock-sscs property [1] has been accepted into the device
tree schema, we can now support it in the Linux clock driver. Therefore,
I've picked up the previously submitted work [2] titled "clk: Support
spread spectrum and use it in clk-pll144x and clk-scmi."
As more than six months have passed since [2] was posted, I’m treating this
patchset as a new submission rather than a v3.
- Introduce clk_set_spread_spectrum to set the parameters for enabling
spread spectrum of a clock.
- Parse 'assigned-clock-sscs' and configure it by default before using the
clock. This property is parsed before parsing clock rate.
- Enable this feature for clk-scmi on i.MX95.
Because SCMI spec will not include spread spectrum as a standard
extension, we still need to use NXP i.MX OEM extension.
[1] https://github.com/devicetree-org/dt-schema/pull/154
[2] https://lore.kernel.org/all/20250205-clk-ssc-v2-0-fa73083caa92@xxxxxxx/
Signed-off-by: Peng Fan <peng.fan@xxxxxxx>
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Thanks for incorporating the changes, The changes looks good to me!
Reviewed-by: Sebin Francis <sebin.francis@xxxxxx>
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Thanks
Sebin