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

Claudiu posted 6 patches 1 week, 5 days ago
[PATCH v8 4/6] arm64: dts: renesas: rzg3s-smarc-som: Add PCIe reference clock
Posted by Claudiu 1 week, 5 days ago
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.

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
---

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
Re: [PATCH v8 4/6] arm64: dts: renesas: rzg3s-smarc-som: Add PCIe reference clock
Posted by Manivannan Sadhasivam 6 days, 20 hours ago
On Wed, Nov 19, 2025 at 04:35:21PM +0200, Claudiu 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.
> 
> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
> Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>

Acked-by: Manivannan Sadhasivam <mani@kernel.org>

- 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
> 

-- 
மணிவண்ணன் சதாசிவம்
Re: [PATCH v8 4/6] arm64: dts: renesas: rzg3s-smarc-som: Add PCIe reference clock
Posted by Geert Uytterhoeven 4 days, 10 hours ago
On Tue, 25 Nov 2025 at 06:54, Manivannan Sadhasivam <mani@kernel.org> wrote:
> On Wed, Nov 19, 2025 at 04:35:21PM +0200, Claudiu 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.
> >
> > Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
> > Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
>
> Acked-by: Manivannan Sadhasivam <mani@kernel.org>

Thx, will queue in renesas-devel for v6.20.

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