[PATCH 2/2] arm64: dts: renesas: rzg3e-smarc-som: add raa215300 pmic support
From: John Madieu
Date: Sat Mar 29 2025 - 08:13:40 EST
Enable raa215300 pmic and built-in rtc support on RZ/G3E SoM module
Also add related clock and interrupt signals.
Signed-off-by: John Madieu <john.madieu.xa@xxxxxxxxxxxxxx>
---
.../boot/dts/renesas/rzg3e-smarc-som.dtsi | 25 +++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/arch/arm64/boot/dts/renesas/rzg3e-smarc-som.dtsi b/arch/arm64/boot/dts/renesas/rzg3e-smarc-som.dtsi
index ca56a9edda2e..cc0a477d6f61 100644
--- a/arch/arm64/boot/dts/renesas/rzg3e-smarc-som.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg3e-smarc-som.dtsi
@@ -46,6 +46,13 @@ reg_3p3v: regulator-3p3v {
regulator-boot-on;
regulator-always-on;
};
+
+ /* 32.768kHz crystal */
+ x3: x3-clock {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <32768>;
+ };
};
&audio_extal_clk {
@@ -57,6 +64,19 @@ &i2c2 {
pinctrl-names = "default";
clock-frequency = <1000000>;
status = "okay";
+
+ raa215300: pmic@12 {
+ compatible = "renesas,raa215300";
+ reg = <0x12>, <0x6f>;
+ reg-names = "main", "rtc";
+ clocks = <&x3>;
+ clock-names = "xin";
+
+ pinctrl-0 = <&rtc_irq_pin>;
+ pinctrl-names = "default";
+
+ interrupts-extended = <&pinctrl RZG3E_GPIO(S, 1) IRQ_TYPE_EDGE_FALLING>;
+ };
};
&pinctrl {
@@ -65,6 +85,11 @@ i2c2_pins: i2c {
<RZG3E_PORT_PINMUX(3, 5, 1)>; /* SDA2 */
};
+ rtc_irq_pin: rtc-irq {
+ pins = "PS1";
+ bias-pull-up;
+ };
+
sdhi0_emmc_pins: sd0-emmc {
sd0-ctrl {
pins = "SD0CLK", "SD0CMD";
--
2.25.1