arm64: dts: renesas: rzg2lc-smarc-som: Enable PMIC and built-in RTC

Enable PMIC RAA215300 and the built-in RTC on the RZ/G2LC SMARC
EVK.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230712151342.82690-1-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

diff --git a/arch/arm64/boot/dts/renesas/rzg2lc-smarc-som.dtsi b/arch/arm64/boot/dts/renesas/rzg2lc-smarc-som.dtsi
index a09e13d..56ff924 100644 (file)
--- a/arch/arm64/boot/dts/renesas/rzg2lc-smarc-som.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg2lc-smarc-som.dtsi
@@ -62,6 +62,13 @@
                gpios = <&pinctrl RZG2L_GPIO(39, 0) GPIO_ACTIVE_HIGH>;
                regulator-always-on;
        };
+
+       /* 32.768kHz crystal */
+       x2: x2-clock {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               clock-frequency = <32768>;
+       };
 };
 
 &eth0 {
@@ -100,6 +107,17 @@
        mali-supply = <&reg_1p1v>;
 };
 
+&i2c2 {
+       raa215300: pmic@12 {
+               compatible = "renesas,raa215300";
+               reg = <0x12>, <0x6f>;
+               reg-names = "main", "rtc";
+
+               clocks = <&x2>;
+               clock-names = "xin";
+       };
+};
+
 &ostm1 {
        status = "okay";
 };