linux-kernel - Re: [PATCH 2/2] arm64: dts: meson-g12b-gtking: add initial device-tree

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Date:   Mon, 16 Mar 2020 09:44:39 -0700
From:   Kevin Hilman <khilman@...libre.com>
To:     Christian Hewitt <christianshewitt@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....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>
Subject: Re: [PATCH 2/2] arm64: dts: meson-g12b-gtking: add initial device-tree

Christian Hewitt <christianshewitt@...il.com> writes:

> The Shenzen AZW (Beelink) GT-King is based on the Amlogic W400 reference
> board with an S922X chip.
>
> - 4GB LPDDR4 RAM
> - 64GB eMMC storage
> - 10/100/1000 Base-T Ethernet
> - AP6356S Wireless (802.11 a/b/g/n/ac, BT 4.1)
> - HDMI 2.1 video
> - S/PDIF optical output
> - Analogue audio output
> - 1x USB 2.0 port
> - 2x USB 3.0 ports
> - IR receiver
> - 1x micro SD card slot
>
> The device-tree is largely based on meson-g12b-ugoos-am6.

It's more than just based on, it's identical (other than compatible
strings and whitespace fixup[1].)

Both of these are based on the W400 ref design, so please make a W400
.dtsi that can be used by both ugoos and this.

Sorry to be a bit picky here, but there's a prolifieration of these
boards out there based on the Amlogic designs with little/no difference,
so I'd like our DTs to reflect that.

Thanks,

Kevin


[1]
$ diff -u arch/arm64/boot/dts/amlogic/meson-g12b-ugoos-am6.dts arch/arm64/boot/dts/amlogic/meson-g12b-gtking.dts
--- arch/arm64/boot/dts/amlogic/meson-g12b-ugoos-am6.dts	2020-03-04 07:06:17.089604752 -0800
+++ arch/arm64/boot/dts/amlogic/meson-g12b-gtking.dts	2020-03-16 09:38:06.983705705 -0700
@@ -14,8 +14,8 @@
 #include <dt-bindings/sound/meson-g12a-tohdmitx.h>
 
 / {
-	compatible = "ugoos,am6", "amlogic,g12b";
-	model = "Ugoos AM6";
+	compatible = "azw,gtking", "amlogic,g12b";
+	model = "Beelink GT-King";
 
 	aliases {
 		serial0 = &uart_AO;
@@ -200,7 +200,7 @@
 
 	sound {
 		compatible = "amlogic,axg-sound-card";
-		model = "G12B-UGOOS-AM6";
+		model = "G12B-GTKING";
 		audio-aux-devs = <&tdmout_b>;
 		audio-routing = "TDMOUT_B IN 0", "FRDDR_A OUT 1",
 				"TDMOUT_B IN 1", "FRDDR_B OUT 1",
@@ -532,7 +532,7 @@
 		shutdown-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>;
 		max-speed = <2000000>;
 		clocks = <&wifi32k>;
-	clock-names = "lpo";
+		clock-names = "lpo";
 	};
 };