arm64: dts: rockchip: Enable HDMI receiver on CM3588

Enable support for the HDMI input port found on FriendlyElec CM3588 and
CM3588 Plus.

Signed-off-by: Valentin Hăloiu <valentin.haloiu@gmail.com>
Link: https://lore.kernel.org/r/20250622185814.35031-1-valentin.haloiu@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

Author: vially

arch/arm64/boot/dts/rockchip/rk3588-friendlyelec-cm3588-nas.dts

@@ -335,6 +335,17 @@
 	};
 };
 
+&hdmi_receiver_cma {
+	status = "okay";
+};
+
+&hdmi_receiver {
+	hpd-gpios = <&gpio3 RK_PD4 GPIO_ACTIVE_HIGH>;
+	pinctrl-0 = <&hdmim1_rx_cec &hdmim1_rx_hpdin &hdmim1_rx_scl &hdmim1_rx_sda &hdmirx_hpd>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
 &hdptxphy0 {
 	status = "okay";
 };
@@ -478,6 +489,12 @@
 		};
 	};
 
+	hdmirx {
+		hdmirx_hpd: hdmirx-5v-detection {
+			rockchip,pins = <3 RK_PD4 RK_FUNC_GPIO &pcfg_pull_up>;
+		};
+	};
+
 	pcie {
 		pcie2_0_rst: pcie2-0-rst {
 			rockchip,pins = <4 RK_PB4 RK_FUNC_GPIO &pcfg_pull_none>;