linux-kernel - [PATCH 2/2] arm64: dts: renesas: rzg3e-smarc-som: add raa215300 pmic support

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Message-ID: <20250329121258.172099-3-john.madieu.xa@bp.renesas.com>
Date: Sat, 29 Mar 2025 13:12:57 +0100
From: John Madieu <john.madieu.xa@...renesas.com>
To: john.madieu.xa@...renesas.com,
	conor+dt@...nel.org,
	geert+renesas@...der.be,
	krzk+dt@...nel.org,
	magnus.damm@...il.com,
	robh@...nel.org
Cc: biju.das.jz@...renesas.com,
	devicetree@...r.kernel.org,
	john.madieu@...il.com,
	linux-kernel@...r.kernel.org,
	linux-renesas-soc@...r.kernel.org
Subject: [PATCH 2/2] arm64: dts: renesas: rzg3e-smarc-som: add raa215300 pmic support

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@...renesas.com>
---
 .../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