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

Enable the VBATTB controller. It provides the clock for RTC.

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

Changes in v3:
- updated patch description
- dropped vbattclk
- added renesas,vbattb-load-nanofarads on vbattb
- moved vbattb before vbattb_xtal

Changes in v2:
- none

 arch/arm64/boot/dts/renesas/rzg3s-smarc-som.dtsi | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/rzg3s-smarc-som.dtsi b/arch/arm64/boot/dts/renesas/rzg3s-smarc-som.dtsi
index 21bfa4e03972..591a90ccfe3c 100644
--- a/arch/arm64/boot/dts/renesas/rzg3s-smarc-som.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg3s-smarc-som.dtsi
@@ -346,6 +346,15 @@ mux {
 	};
 };
 
+&vbattb {
+	renesas,vbattb-load-nanofarads = <12500>;
+	status = "okay";
+};
+
+&vbattb_xtal {
+	clock-frequency = <32768>;
+};
+
 &wdt0 {
 	timeout-sec = <60>;
 	status = "okay";
-- 
2.39.2

On Fri, Aug 30, 2024 at 3:02 PM Claudiu <claudiu.beznea@tuxon.dev> wrote:
> From: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
>
> Enable the VBATTB controller. It provides the clock for RTC.
>
> Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
> ---
>
> Changes in v3:
> - updated patch description
> - dropped vbattclk
> - added renesas,vbattb-load-nanofarads on vbattb
> - moved vbattb before vbattb_xtal

With assigned-clock* resolved
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