linux-kernel - [PATCH v3 08/12] arm64: dts: renesas: r9a08g045: Add RTC node

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Message-Id: <20240830130218.3377060-9-claudiu.beznea.uj@bp.renesas.com>
Date: Fri, 30 Aug 2024 16:02:14 +0300
From: Claudiu <claudiu.beznea@...on.dev>
To: geert+renesas@...der.be,
	mturquette@...libre.com,
	sboyd@...nel.org,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	alexandre.belloni@...tlin.com,
	magnus.damm@...il.com,
	p.zabel@...gutronix.de
Cc: claudiu.beznea@...on.dev,
	linux-renesas-soc@...r.kernel.org,
	linux-clk@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-rtc@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
Subject: [PATCH v3 08/12] arm64: dts: renesas: r9a08g045: Add RTC node

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

Add the DT node for the RTC IP available on the Renesas RZ/G3S SoC.

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

Changes in v3:
- added CPG clock, power domain, reset
- and assigned-clocks, assigned-clock-parents to configure the
  VBATTCLK
- included dt-bindings/clock/r9a08g045-vbattb.h

Changes in v2:
- updated compatibles

 arch/arm64/boot/dts/renesas/r9a08g045.dtsi | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r9a08g045.dtsi b/arch/arm64/boot/dts/renesas/r9a08g045.dtsi
index 247fa80a4f53..ac9b6733d289 100644
--- a/arch/arm64/boot/dts/renesas/r9a08g045.dtsi
+++ b/arch/arm64/boot/dts/renesas/r9a08g045.dtsi
@@ -7,6 +7,7 @@
 
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/clock/r9a08g045-cpg.h>
+#include <dt-bindings/clock/r9a08g045-vbattb.h>
 
 / {
 	compatible = "renesas,r9a08g045";
@@ -160,6 +161,22 @@ i2c3: i2c@...90c00 {
 			status = "disabled";
 		};
 
+		rtc: rtc@...4ec00 {
+			compatible = "renesas,r9a08g045-rtca3", "renesas,rz-rtca3";
+			reg = <0 0x1004ec00 0 0x400>;
+			interrupts = <GIC_SPI 315 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 316 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 317 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "alarm", "period", "carry";
+			clocks = <&cpg CPG_MOD R9A08G045_VBAT_BCLK>, <&vbattb VBATTB_VBATTCLK>;
+			clock-names = "bus", "counter";
+			assigned-clocks = <&vbattb VBATTB_MUX>;
+			assigned-clock-parents = <&vbattb VBATTB_XC>;
+			power-domains = <&cpg>;
+			resets = <&cpg R9A08G045_VBAT_BRESETN>;
+			status = "disabled";
+		};
+
 		vbattb: vbattb@...5c000 {
 			compatible = "renesas,r9a08g045-vbattb";
 			reg = <0 0x1005c000 0 0x1000>;
-- 
2.39.2