linux-kernel - [PATCH v2 0/9] arm64: dts: meson: add support for aac2xx devices

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Message-Id: <20220103163956.6581-1-christianshewitt@gmail.com>
Date:   Mon,  3 Jan 2022 16:39:47 +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 v2 0/9] arm64: dts: meson: add support for aac2xx devices

This series adds support for several popular Amlogic S905X3 (SM1) Android
Set-Top Box devices. Like most Android box devices, they ship in variants
with multiple RAM, eMMC, WiFi and BT configurations. RAM and eMMC are not
something we need to consider to get a working boot, but we do need to get
the correct connectivity spec. Broadly speaking we see boxes with Higher
and Lower spec connectivity; High spec is Gigabit Ethernet and Faster dual
antennna WiFi, and Lower spec is Megabit Ethernet and a single antenna. In
some low-end boxes BT is omitted.

As initial distro setup is frequently performed over SSH or an HDMI GUI
app it is important for users to pick a device-tree with the correct
Ethernet PHY spec else connectivity is impossible. To aid this we append
a -gbit suffix to X96-AIR and A95XF3-AIR models using an external Gigabit
PHY, while 10/00 models with internal PHY have no suffix.

NB: At the current time the Realtek 8822CS and MT7668 WiFi/BT modules we
have seen on 'AIR' devices are not supported in the kernel so these are
deliberately omitted. The H96-Max uses a conventional Broadcom module
so has more complete support. For now the boxes have simple HDMI audio
support; wiring up the Headphone socket will be done at a later date.

Changes since RFC(v1) series:
- Add Robs binding acks on patches 4/7/8 (patches 2/5 still need acks)
- Rename and rework patches around -gbit (as requested by Neil)
- Correct 'manufacturer' typo on patch 8
- Rebase against v5.18/dt64 branch

Christian Hewitt (9):
  arm64: dts: meson: add common SM1 ac2xx dtsi
  dt-bindings: arm: amlogic: add X96-AIR bindings
  arm64: dts: meson: add initial device-trees for X96-AIR
  dt-bindings: vendor-prefixes: add cyx prefix
  dt-bindings: arm: amlogic: add A95XF3-AIR bindings
  arm64: dts: meson: add initial device-trees for A95XF3-AIR
  dt-bindings: vendor-prefixes: add haochuangyi prefix
  dt-bindings: arm: amlogic: add H96-Max bindings
  arm64: dts: meson: add initial device-tree for H96-Max

 .../devicetree/bindings/arm/amlogic.yaml      |   5 +
 .../devicetree/bindings/vendor-prefixes.yaml  |   4 +
 arch/arm64/boot/dts/amlogic/Makefile          |   5 +
 .../dts/amlogic/meson-sm1-a95xf3-air-gbit.dts | 129 ++++++++
 .../boot/dts/amlogic/meson-sm1-a95xf3-air.dts | 108 +++++++
 .../boot/dts/amlogic/meson-sm1-ac2xx.dtsi     | 300 ++++++++++++++++++
 .../boot/dts/amlogic/meson-sm1-h96-max.dts    | 145 +++++++++
 .../dts/amlogic/meson-sm1-x96-air-gbit.dts    | 133 ++++++++
 .../boot/dts/amlogic/meson-sm1-x96-air.dts    | 112 +++++++
 9 files changed, 941 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
 create mode 100644 arch/arm64/boot/dts/amlogic/meson-sm1-ac2xx.dtsi
 create mode 100644 arch/arm64/boot/dts/amlogic/meson-sm1-h96-max.dts
 create mode 100644 arch/arm64/boot/dts/amlogic/meson-sm1-x96-air-gbit.dts
 create mode 100644 arch/arm64/boot/dts/amlogic/meson-sm1-x96-air.dts

-- 
2.17.1