Hi, On 30/11/2021 07:05, Christian Hewitt wrote: > 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 ommitted. > > The main reason for the RFC tag is to solicit feedback on the choice of > the -100 and -1000 suffixes which are used to distinguish between devices > with 10/100 Mbit (Internal PHY) or 10/100/1000 Gbit (External PHY) NIC > configurations; which is important to get correct else the box will have > no connectivity. I'm not a big fan of the suffixes, but earlier versions > where I used -int/-ext and -mbit/-gbit resulted in users having no idea > what the difference was. I'd like to informally establish a convention for > this naming before doing similar things with some S905X2 devices. I have no opinion for -100/-1000, -int/-ext, -mbit/-gbit or <nothing>/-gigabit or whatever. I'll wait for further comments from other reviewers here ! Neil > > NB: At the current time the Realtek 8822CS and MT7668 WiFi/BT chips we > have seen on 'AIR' devices are not supported in the kernel so these are > deliberately ommitted. The H96-Max uses a conventional Broadcom module > so has more complete support. I'm also still exploring / learning about > alsa userspace configuration so for now the boxes have simple HDMI audio > support; wiring up the Headphone socket will be done at a later date. > > 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-100.dts | 108 +++++++ > .../dts/amlogic/meson-sm1-a95xf3-air-1000.dts | 129 ++++++++ > .../boot/dts/amlogic/meson-sm1-ac2xx.dtsi | 300 ++++++++++++++++++ > .../boot/dts/amlogic/meson-sm1-h96-max.dts | 145 +++++++++ > .../dts/amlogic/meson-sm1-x96-air-100.dts | 112 +++++++ > .../dts/amlogic/meson-sm1-x96-air-1000.dts | 133 ++++++++ > 9 files changed, 941 insertions(+) > create mode 100644 arch/arm64/boot/dts/amlogic/meson-sm1-a95xf3-air-100.dts > create mode 100644 arch/arm64/boot/dts/amlogic/meson-sm1-a95xf3-air-1000.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-100.dts > create mode 100644 arch/arm64/boot/dts/amlogic/meson-sm1-x96-air-1000.dts >
