Re: [PATCH v8 4/6] arm64: dts: renesas: rzg3s-smarc-som: Add PCIe reference clock

From: Manivannan Sadhasivam

Date: Tue Nov 25 2025 - 00:54:58 EST


On Wed, Nov 19, 2025 at 04:35:21PM +0200, Claudiu wrote:
> From: Claudiu Beznea <claudiu.beznea.uj@xxxxxxxxxxxxxx>
>
> Versa3 clock generator available on RZ/G3S SMARC Module provides the
> reference clock for SoC PCIe interface. Update the device tree to reflect
> this connection.
>
> Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@xxxxxxxxxxxxxx>

Acked-by: Manivannan Sadhasivam <mani@xxxxxxxxxx>

- Mani

> ---
>
> Changes in v8:
> - none
>
> Changes in v7:
> - none
>
> Changes in v6:
> - collected tags
>
> Changes in v5:
> - this patch is the result of dropping the updates to dma-ranges for
> secure area and keeping only the remaining bits
>
> arch/arm64/boot/dts/renesas/rzg3s-smarc-som.dtsi | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/renesas/rzg3s-smarc-som.dtsi b/arch/arm64/boot/dts/renesas/rzg3s-smarc-som.dtsi
> index 39845faec894..b196f57fd551 100644
> --- a/arch/arm64/boot/dts/renesas/rzg3s-smarc-som.dtsi
> +++ b/arch/arm64/boot/dts/renesas/rzg3s-smarc-som.dtsi
> @@ -172,6 +172,11 @@ a0 80 30 30 9c
> };
> };
>
> +&pcie_port0 {
> + clocks = <&versa3 5>;
> + clock-names = "ref";
> +};
> +
> #if SW_CONFIG2 == SW_ON
> /* SD0 slot */
> &sdhi0 {
> --
> 2.43.0
>

--
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