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

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Message-Id: <20230418145515.19547-3-exkcmailist@inbox.lv>
Date:   Tue, 18 Apr 2023 22:55:15 +0800
From:   Karl Chan <exkcmailist@...ox.lv>
To:     linux-amlogic@...ts.infradead.org
Cc:     robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        neil.armstrong@...aro.org, khilman@...libre.com,
        jbrunet@...libre.com, martin.blumenstingl@...glemail.com,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, "Karl Chan" <exkcmailist@...ox.lv>,
        Karl Chan <exxxxkc@...googleoff.me>
Subject: [PATCH v4 2/2] arm64: dts: meson-gxl: add support for Xiaomi Mi box 3

From: "Karl Chan"  <exkcmailist@...ox.lv>

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@...googleoff.me>
---
 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@...lessm.com>
+ * Copyright (c) 2023 Karl Chan <exxxxkc@...googleoff.me>
+ */
+
+/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