arm64: dts: amlogic: add fbx8am DT overlays

Add support for two variants of the fbx8am board.
Signed-off-by: Pierre-Hugues Husson <phhusson@freebox.fr>
Signed-off-by: Marc Gonzalez <mgonzalez@freebox.fr>
Link: https://lore.kernel.org/r/79ba726d-d02c-44b9-b6f6-59b17ba9755c@freebox.fr
[narmstrong: squashed https://lore.kernel.org/all/814c9035-1fda-4cd3-ab3c-95b58e2ecb22@freebox.fr/]
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>

arch/arm64/boot/dts/amlogic/Makefile

@@ -8,6 +8,8 @@ dtb-$(CONFIG_ARCH_MESON) += meson-axg-jethome-jethub-j100.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-axg-jethome-jethub-j110-rev-2.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-axg-jethome-jethub-j110-rev-3.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-axg-s400.dtb
+dtb-$(CONFIG_ARCH_MESON) += meson-g12a-fbx8am-brcm.dtb
+dtb-$(CONFIG_ARCH_MESON) += meson-g12a-fbx8am-realtek.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-g12a-radxa-zero.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-g12a-sei510.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-g12a-u200.dtb
@@ -80,3 +82,7 @@ dtb-$(CONFIG_ARCH_MESON) += meson-sm1-odroid-hc4.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-sm1-sei610.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-sm1-x96-air-gbit.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-sm1-x96-air.dtb
+
+# Overlays
+meson-g12a-fbx8am-brcm-dtbs	:= meson-g12a-fbx8am.dtb meson-g12a-fbx8am-brcm.dtbo
+meson-g12a-fbx8am-realtek-dtbs	:= meson-g12a-fbx8am.dtb meson-g12a-fbx8am-realtek.dtbo

arch/arm64/boot/dts/amlogic/meson-g12a-fbx8am-brcm.dtso

+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+// Copyright (c) 2024 Freebox SAS
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/gpio/meson-g12a-gpio.h>
+
+&uart_A {
+	bluetooth {
+		compatible = "brcm,bcm43438-bt";
+		shutdown-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>;
+		max-speed = <2000000>;
+		clocks = <&wifi32k>;
+		clock-names = "lpo";
+		vbat-supply = <&vddao_3v3>;
+		vddio-supply = <&vddio_ao1v8>;
+	};
+};
+
+&sd_emmc_a {
+	/* Per mmc-controller.yaml */
+	#address-cells = <1>;
+	#size-cells = <0>;
+	/* NB: may be either AP6398S or AP6398SR3 wifi module */
+	brcmf: wifi@1 {
+		reg = <1>;
+		compatible = "brcm,bcm4329-fmac";
+	};
+};

arch/arm64/boot/dts/amlogic/meson-g12a-fbx8am-realtek.dtso

+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+// Copyright (c) 2024 Freebox SAS
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/gpio/meson-g12a-gpio.h>
+
+&uart_A {
+	bluetooth {
+		compatible = "realtek,rtl8822cs-bt";
+		enable-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>;
+		host-wake-gpios = <&gpio GPIOX_19 GPIO_ACTIVE_HIGH>;
+		device-wake-gpios = <&gpio GPIOX_18 GPIO_ACTIVE_HIGH>;
+	};
+};
+
+&sd_emmc_a {
+	/* No explicit compatible for rtl8822cs sdio */
+};