arm64: dts: renesas: rzg3e-smarc-som: Enable I3C support

Enable I3C on RZ/G3E SMARC SoM.

Signed-off-by: Tommaso Merciai <tommaso.merciai.xr@bp.renesas.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/9d1cf2cdb1c11f24378404142e4c8aff680c6961.1763638659.git.tommaso.merciai.xr@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

diff --git a/arch/arm64/boot/dts/renesas/rzg3e-smarc-som.dtsi b/arch/arm64/boot/dts/renesas/rzg3e-smarc-som.dtsi
index eb0de21d6716c7617d29d0dc410b7f54c8b8c023..3b571c096752237a5bccd5a4cca20b43f2e0bc50 100644 (file)
--- a/arch/arm64/boot/dts/renesas/rzg3e-smarc-som.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg3e-smarc-som.dtsi
@@ -126,6 +126,14 @@
        };
 };
 
+&i3c {
+       pinctrl-0 = <&i3c_pins>;
+       pinctrl-names = "default";
+       i2c-scl-hz = <400000>;
+       i3c-scl-hz = <12500000>;
+       status = "okay";
+};
+
 &mdio0 {
        phy0: ethernet-phy@7 {
                compatible = "ethernet-phy-id0022.1640",
@@ -223,6 +231,12 @@
                         <RZG3E_PORT_PINMUX(3, 5, 1)>; /* SDA2 */
        };
 
+       i3c_pins: i3c {
+               pinmux = <RZG3E_PORT_PINMUX(2, 0, 2)>, /* I3C0_SCL */
+                        <RZG3E_PORT_PINMUX(2, 1, 2)>; /* I3C0_SDA */
+               drive-push-pull;
+       };
+
        rtc_irq_pin: rtc-irq {
                pins = "PS1";
                bias-pull-up;