[PATCH v4 2/2] arm64: dts: meson-gxl: add support for Xiaomi Mi box 3

From: Karl Chan
Date: Tue Apr 18 2023 - 10:56:58 EST


From: "Karl Chan" <exkcmailist@xxxxxxxx>

The Xiaomi Mi box 3 is a TV box based on the Amlogic S905X chipset.
There are two variants:
- 2 GiB/8GIB
- 1 GiB/4GIB

Both variants come with:
- 802.11a/b/g/n/ac wifi (BCM4345)
- HDMI , AV (CVBS) and S/PDIF optical output
- 1x USB (utilizing both USB ports provided by the SoC)

Signed-off-by: Karl Chan <exxxxkc@xxxxxxxxxxxxxxx>
---
arch/arm64/boot/dts/amlogic/Makefile | 1 +
.../amlogic/meson-gxl-s905x-xiaomi-mibox3.dts | 138 ++++++++++++++++++
list | 1 +
3 files changed, 140 insertions(+)
create mode 100644 arch/arm64/boot/dts/amlogic/meson-gxl-s905x-xiaomi-mibox3.dts
create mode 100644 list

diff --git a/arch/arm64/boot/dts/amlogic/Makefile b/arch/arm64/boot/dts/amlogic/Makefile
index ccf1ba57fa87..774e7c3638bb 100644
--- a/arch/arm64/boot/dts/amlogic/Makefile
+++ b/arch/arm64/boot/dts/amlogic/Makefile
@@ -48,6 +48,7 @@ dtb-$(CONFIG_ARCH_MESON) += meson-gxl-s905x-libretech-cc-v2.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-gxl-s905x-libretech-cc.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-gxl-s905x-nexbox-a95x.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-gxl-s905x-p212.dtb
+dtb-$(CONFIG_ARCH_MESON) += meson-gxl-s905x-xiaomi-mibox3.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-gxm-gt1-ultimate.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-gxm-khadas-vim2.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-gxm-mecool-kiii-pro.dtb
diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-xiaomi-mibox3.dts b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-xiaomi-mibox3.dts
new file mode 100644
index 000000000000..acc4b12ffe0f
--- /dev/null
+++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-xiaomi-mibox3.dts
@@ -0,0 +1,138 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2016 Endless Computers, Inc.
+ * Author: Carlo Caione <carlo@xxxxxxxxxxxx>
+ * Copyright (c) 2023 Karl Chan <exxxxkc@xxxxxxxxxxxxxxx>
+ */
+
+/dts-v1/;
+
+#include "meson-gxl-s905x-p212.dtsi"
+#include <dt-bindings/sound/meson-aiu.h>
+
+/ {
+ compatible = "xiaomi,mibox3", "amlogic,s905x", "amlogic,meson-gxl";
+ model = "Xiaomi Mi Box 3";
+
+ dio2133: analog-amplifier {
+ compatible = "simple-audio-amplifier";
+ sound-name-prefix = "AU2";
+ VCC-supply = <&hdmi_5v>;
+ enable-gpios = <&gpio GPIOH_5 GPIO_ACTIVE_HIGH>;
+ };
+
+ cvbs-connector {
+ compatible = "composite-video-connector";
+
+ port {
+ cvbs_connector_in: endpoint {
+ remote-endpoint = <&cvbs_vdac_out>;
+ };
+ };
+ };
+
+ hdmi-connector {
+ compatible = "hdmi-connector";
+ type = "a";
+
+ port {
+ hdmi_connector_in: endpoint {
+ remote-endpoint = <&hdmi_tx_tmds_out>;
+ };
+ };
+ };
+
+ sound {
+ compatible = "amlogic,gx-sound-card";
+ model = "XIAOMI-MIBOX3";
+ audio-aux-devs = <&dio2133>;
+ audio-widgets = "Line", "Lineout";
+ audio-routing = "Lineout", "AU2 OUTL",
+ "Lineout", "AU2 OUTR";
+ assigned-clocks = <&clkc CLKID_MPLL0>,
+ <&clkc CLKID_MPLL1>,
+ <&clkc CLKID_MPLL2>;
+ assigned-clock-parents = <0>, <0>, <0>;
+ assigned-clock-rates = <294912000>,
+ <270950400>,
+ <393216000>;
+ dai-link-0 {
+ sound-dai = <&aiu AIU_CPU CPU_I2S_FIFO>;
+ };
+
+ dai-link-1 {
+ sound-dai = <&aiu AIU_CPU CPU_I2S_ENCODER>;
+ dai-format = "i2s";
+ mclk-fs = <256>;
+
+ codec-0 {
+ sound-dai = <&aiu AIU_HDMI CTRL_I2S>;
+ };
+
+ codec-1 {
+ sound-dai = <&aiu AIU_ACODEC CTRL_I2S>;
+ };
+ };
+
+ dai-link-2 {
+ sound-dai = <&aiu AIU_HDMI CTRL_OUT>;
+
+ codec-0 {
+ sound-dai = <&hdmi_tx>;
+ };
+ };
+
+ dai-link-3 {
+ sound-dai = <&aiu AIU_ACODEC CTRL_OUT>;
+
+ codec-0 {
+ sound-dai = <&acodec>;
+ };
+ };
+ };
+};
+
+&acodec {
+ AVDD-supply = <&vddio_ao18>;
+ status = "okay";
+};
+
+&aiu {
+ status = "okay";
+};
+
+&cec_AO {
+ status = "okay";
+ pinctrl-0 = <&ao_cec_pins>;
+ pinctrl-names = "default";
+ hdmi-phandle = <&hdmi_tx>;
+};
+
+&cvbs_vdac_port {
+ cvbs_vdac_out: endpoint {
+ remote-endpoint = <&cvbs_connector_in>;
+ };
+};
+
+&ethmac {
+ status = "disabled";
+};
+
+&hdmi_tx {
+ status = "okay";
+ pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
+ pinctrl-names = "default";
+ hdmi-supply = <&hdmi_5v>;
+};
+
+&hdmi_tx_tmds_port {
+ hdmi_tx_tmds_out: endpoint {
+ remote-endpoint = <&hdmi_connector_in>;
+ };
+};
+
+/* This UART is brought out to the uart pad on upper left of the pcb */
+&uart_AO {
+ status = "okay";
+};
+
--
2.40.0