diff mbox series

[v5.10.y-cip,v2,13/16] arm64: dts: renesas: rzg3s-smarc-som: Enable VBATTB

Message ID 20250124090041.1401132-14-claudiu.beznea.uj@bp.renesas.com (mailing list archive)
State Accepted, archived
Delegated to: Nobuhiro Iwamatsu
Headers show
Series renesas: rzg3s: backport the RTC support | expand

Commit Message

Claudiu Jan. 24, 2025, 9 a.m. UTC 
From: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>

commit ac948eb8ead1265ff034955bdbbb081744f1e7ed upstream.

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

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Link: https://lore.kernel.org/20241101095720.2247815-8-claudiu.beznea.uj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Pavel Machek <pavel@denx.de>
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
---
 arch/arm64/boot/dts/renesas/rzg3s-smarc-som.dtsi | 12 ++++++++++++
 1 file changed, 12 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/renesas/rzg3s-smarc-som.dtsi b/arch/arm64/boot/dts/renesas/rzg3s-smarc-som.dtsi
index acac4666ae59..67178d8c4108 100644
--- a/arch/arm64/boot/dts/renesas/rzg3s-smarc-som.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg3s-smarc-som.dtsi
@@ -5,6 +5,7 @@ 
  * Copyright (C) 2023 Renesas Electronics Corp.
  */
 
+#include <dt-bindings/clock/renesas,r9a08g045-vbattb.h>
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/pinctrl/rzg2l-pinctrl.h>
 
@@ -341,6 +342,17 @@  mux {
 	};
 };
 
+&vbattb {
+	assigned-clocks = <&vbattb VBATTB_MUX>;
+	assigned-clock-parents = <&vbattb VBATTB_XC>;
+	quartz-load-femtofarads = <12500>;
+	status = "okay";
+};
+
+&vbattb_xtal {
+	clock-frequency = <32768>;
+};
+
 &wdt0 {
 	timeout-sec = <60>;
 	status = "okay";