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

Claudiu
2024-08-30T13:02:48Z

From: Claudiu Beznea <claudiu.beznea.uj@bp.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@bp.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@10090c00 {
status = "disabled";
};

+ rtc: rtc@1004ec00 {
+ 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@1005c000 {
compatible = "renesas,r9a08g045-vbattb";
reg = <0 0x1005c000 0 0x1000>;
--
2.39.2