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Date:   Wed, 12 Jan 2022 02:27:10 +0000
From:   Christian Hewitt <christianshewitt@...il.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Kevin Hilman <khilman@...libre.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     Christian Hewitt <christianshewitt@...il.com>,
        Benoit Masson <yahoo@...enite.com>
Subject: [PATCH v3 6/9] arm64: dts: meson: add initial device-trees for A95XF3-AIR

The CYX A95XF3-AIR is based on Amlogic S905X3 reference board
designs and ships in multiple configurations:

– 4GB DDR3 + 64GB eMMC + WiFi a/b/g/n/ac + BT + Gb Ethernet
– 4GB DDR3 + 32GB eMMC + WiFi a/b/g/n/ac + BT + Gb Ethernet
– 2GB DDR3 + 16GB eMMC + WiFi b/g/n (no BT) + 10/100 Ethernet
...
- HDMI 2.1 video
- S/PDIF optical output
- AV output
- 1x USB 2.0 OTG port
- 1x USB 3.0 port
- IR receiver
- 1x micro SD card slot (internal)
- 1x Reset/Update button (in AV jack)
- 7-segment VFD
- Multicolour case LED 'arc'

The device-tree with -gbit suffix supports models with Gigabit
Ethernet, and the device-tree with no suffix supports models
with 10/100 Ethernet.

Signed-off-by: Christian Hewitt <christianshewitt@...il.com>
---
 arch/arm64/boot/dts/amlogic/Makefile          |   2 +
 .../dts/amlogic/meson-sm1-a95xf3-air-gbit.dts | 129 ++++++++++++++++++
 .../boot/dts/amlogic/meson-sm1-a95xf3-air.dts | 108 +++++++++++++++
 3 files changed, 239 insertions(+)
 create mode 100644 arch/arm64/boot/dts/amlogic/meson-sm1-a95xf3-air-gbit.dts
 create mode 100644 arch/arm64/boot/dts/amlogic/meson-sm1-a95xf3-air.dts

diff --git a/arch/arm64/boot/dts/amlogic/Makefile b/arch/arm64/boot/dts/amlogic/Makefile
index 1c0e554f54fc..e87adc6593df 100644
--- a/arch/arm64/boot/dts/amlogic/Makefile
+++ b/arch/arm64/boot/dts/amlogic/Makefile
@@ -51,6 +51,8 @@ dtb-$(CONFIG_ARCH_MESON) += meson-gxm-rbox-pro.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-gxm-s912-libretech-pc.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-gxm-vega-s96.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-gxm-wetek-core2.dtb
+dtb-$(CONFIG_ARCH_MESON) += meson-sm1-a95xf3-air.dtb
+dtb-$(CONFIG_ARCH_MESON) += meson-sm1-a95xf3-air-gbit.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-sm1-bananapi-m5.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-sm1-khadas-vim3l.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-sm1-odroid-c4.dtb
diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1-a95xf3-air-gbit.dts b/arch/arm64/boot/dts/amlogic/meson-sm1-a95xf3-air-gbit.dts
new file mode 100644
index 000000000000..d1debccdc1c2
--- /dev/null
+++ b/arch/arm64/boot/dts/amlogic/meson-sm1-a95xf3-air-gbit.dts
@@ -0,0 +1,129 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2019 BayLibre SAS. All rights reserved.
+ * Copyright (c) 2020 Christian Hewitt <christianshewitt@...il.com>
+ */
+
+/dts-v1/;
+
+#include "meson-sm1-ac2xx.dtsi"
+#include <dt-bindings/sound/meson-g12a-tohdmitx.h>
+
+/ {
+	compatible = "cyx,a95xf3-air-gbit", "amlogic,sm1";
+	model = "Shenzhen CYX Industrial Co., Ltd A95XF3-AIR";
+
+	sound {
+		compatible = "amlogic,axg-sound-card";
+		model = "A95XF3-AIR";
+		audio-aux-devs = <&tdmout_b>;
+		audio-routing = "TDMOUT_B IN 0", "FRDDR_A OUT 1",
+				"TDMOUT_B IN 1", "FRDDR_B OUT 1",
+				"TDMOUT_B IN 2", "FRDDR_C OUT 1",
+				"TDM_B Playback", "TDMOUT_B OUT";
+
+		assigned-clocks = <&clkc CLKID_MPLL2>,
+				  <&clkc CLKID_MPLL0>,
+				  <&clkc CLKID_MPLL1>;
+		assigned-clock-parents = <0>, <0>, <0>;
+		assigned-clock-rates = <294912000>,
+				       <270950400>,
+				       <393216000>;
+		status = "okay";
+
+		dai-link-0 {
+			sound-dai = <&frddr_a>;
+		};
+
+		dai-link-1 {
+			sound-dai = <&frddr_b>;
+		};
+
+		dai-link-2 {
+			sound-dai = <&frddr_c>;
+		};
+
+		/* 8ch hdmi interface */
+		dai-link-3 {
+			sound-dai = <&tdmif_b>;
+			dai-format = "i2s";
+			dai-tdm-slot-tx-mask-0 = <1 1>;
+			dai-tdm-slot-tx-mask-1 = <1 1>;
+			dai-tdm-slot-tx-mask-2 = <1 1>;
+			dai-tdm-slot-tx-mask-3 = <1 1>;
+			mclk-fs = <256>;
+
+			codec {
+				sound-dai = <&tohdmitx TOHDMITX_I2S_IN_B>;
+			};
+		};
+
+		/* hdmi glue */
+		dai-link-4 {
+			sound-dai = <&tohdmitx TOHDMITX_I2S_OUT>;
+
+			codec {
+				sound-dai = <&hdmi_tx>;
+			};
+		};
+	};
+};
+
+&arb {
+	status = "okay";
+};
+
+&clkc_audio {
+	status = "okay";
+};
+
+&ethmac {
+	status = "okay";
+
+	pinctrl-0 = <&eth_pins>, <&eth_rgmii_pins>;
+	pinctrl-names = "default";
+	phy-mode = "rgmii-txid";
+	phy-handle = <&external_phy>;
+
+	rx-internal-delay-ps = <800>;
+};
+
+&ext_mdio {
+	external_phy: ethernet-phy@0 {
+		/* Realtek RTL8211F (0x001cc916) */
+		reg = <0>;
+		max-speed = <1000>;
+
+		reset-assert-us = <10000>;
+		reset-deassert-us = <80000>;
+		reset-gpios = <&gpio GPIOZ_15 (GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN)>;
+
+		interrupt-parent = <&gpio_intc>;
+		/* MAC_INTR on GPIOZ_14 */
+		interrupts = <26 IRQ_TYPE_LEVEL_LOW>;
+	};
+};
+
+&frddr_a {
+	status = "okay";
+};
+
+&frddr_b {
+	status = "okay";
+};
+
+&frddr_c {
+	status = "okay";
+};
+
+&tdmif_b {
+	status = "okay";
+};
+
+&tdmout_b {
+	status = "okay";
+};
+
+&tohdmitx {
+	status = "okay";
+};
diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1-a95xf3-air.dts b/arch/arm64/boot/dts/amlogic/meson-sm1-a95xf3-air.dts
new file mode 100644
index 000000000000..c94f2870b78b
--- /dev/null
+++ b/arch/arm64/boot/dts/amlogic/meson-sm1-a95xf3-air.dts
@@ -0,0 +1,108 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2019 BayLibre SAS. All rights reserved.
+ * Copyright (c) 2020 Christian Hewitt <christianshewitt@...il.com>
+ */
+
+/dts-v1/;
+
+#include "meson-sm1-ac2xx.dtsi"
+#include <dt-bindings/sound/meson-g12a-tohdmitx.h>
+
+/ {
+	compatible = "cyx,a95xf3-air", "amlogic,sm1";
+	model = "Shenzhen CYX Industrial Co., Ltd A95XF3-AIR";
+
+	sound {
+		compatible = "amlogic,axg-sound-card";
+		model = "A95XF3-AIR";
+		audio-aux-devs = <&tdmout_b>;
+		audio-routing = "TDMOUT_B IN 0", "FRDDR_A OUT 1",
+				"TDMOUT_B IN 1", "FRDDR_B OUT 1",
+				"TDMOUT_B IN 2", "FRDDR_C OUT 1",
+				"TDM_B Playback", "TDMOUT_B OUT";
+
+		assigned-clocks = <&clkc CLKID_MPLL2>,
+				  <&clkc CLKID_MPLL0>,
+				  <&clkc CLKID_MPLL1>;
+		assigned-clock-parents = <0>, <0>, <0>;
+		assigned-clock-rates = <294912000>,
+				       <270950400>,
+				       <393216000>;
+		status = "okay";
+
+		dai-link-0 {
+			sound-dai = <&frddr_a>;
+		};
+
+		dai-link-1 {
+			sound-dai = <&frddr_b>;
+		};
+
+		dai-link-2 {
+			sound-dai = <&frddr_c>;
+		};
+
+		/* 8ch hdmi interface */
+		dai-link-3 {
+			sound-dai = <&tdmif_b>;
+			dai-format = "i2s";
+			dai-tdm-slot-tx-mask-0 = <1 1>;
+			dai-tdm-slot-tx-mask-1 = <1 1>;
+			dai-tdm-slot-tx-mask-2 = <1 1>;
+			dai-tdm-slot-tx-mask-3 = <1 1>;
+			mclk-fs = <256>;
+
+			codec {
+				sound-dai = <&tohdmitx TOHDMITX_I2S_IN_B>;
+			};
+		};
+
+		/* hdmi glue */
+		dai-link-4 {
+			sound-dai = <&tohdmitx TOHDMITX_I2S_OUT>;
+
+			codec {
+				sound-dai = <&hdmi_tx>;
+			};
+		};
+	};
+};
+
+&arb {
+	status = "okay";
+};
+
+&clkc_audio {
+	status = "okay";
+};
+
+&ethmac {
+	status = "okay";
+	phy-handle = <&internal_ephy>;
+	phy-mode = "rmii";
+};
+
+&frddr_a {
+	status = "okay";
+};
+
+&frddr_b {
+	status = "okay";
+};
+
+&frddr_c {
+	status = "okay";
+};
+
+&tdmif_b {
+	status = "okay";
+};
+
+&tdmout_b {
+	status = "okay";
+};
+
+&tohdmitx {
+	status = "okay";
+};
-- 
2.17.1

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