From: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>

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.

Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
---

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

On Tue, 7 Oct 2025 at 15:37, Claudiu <claudiu.beznea@tuxon.dev> wrote:
> From: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
>
> 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.
>
> Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
> ---
>
> Changes in v5:
> - this patch is the result of dropping the updates to dma-ranges for
>   secure area and keeping only the remaining bits

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds