[PATCH 2/2] arm: dts: k3-j7200-r5-common-proc-board: Set parent clock for clock ID 323

Kumar, Udit u-kumar1 at ti.com
Tue Dec 5 05:24:49 CET 2023


On 12/2/2023 3:03 AM, Reid Tonking wrote:
> From: Apurva Nandan <a-nandan at ti.com>
>
> This virtual clock mux configuration enables the use of dynamic frequency
> scaling on A72 clock ID 202 by setting up the required register.

IMO, dynamic frequency scaling should be supported without this patch.
But this patch allows to set freq at different rates other than fixed division.
I request to update commit message.
Rest LGTM

> Signed-off-by: Apurva Nandan <a-nandan at ti.com>
> Signed-off-by: Reid Tonking <reidt at ti.com>
> ---
>   arch/arm/dts/k3-j7200-r5-common-proc-board.dts | 3 ++-
>   1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm/dts/k3-j7200-r5-common-proc-board.dts b/arch/arm/dts/k3-j7200-r5-common-proc-board.dts
> index f0a73605020..018faaa13b6 100644
> --- a/arch/arm/dts/k3-j7200-r5-common-proc-board.dts
> +++ b/arch/arm/dts/k3-j7200-r5-common-proc-board.dts
> @@ -24,7 +24,8 @@
>   				<&k3_pds 4 TI_SCI_PD_EXCLUSIVE>;
>   		resets = <&k3_reset 202 0>;
>   		clocks = <&k3_clks 61 1>;
> -		assigned-clocks = <&k3_clks 202 2>, <&k3_clks 61 1>;
> +		assigned-clocks = <&k3_clks 202 2>, <&k3_clks 61 1>, <&k3_clks 323 0>;
> +		assigned-clock-parents= <0>, <0>, <&k3_clks 323 2>;
>   		assigned-clock-rates = <2000000000>, <200000000>;
>   		ti,sci = <&dmsc>;
>   		ti,sci-proc-id = <32>;


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