linux-kernel - [PATCH v2 0/2] arm64: amlogic: Add initial support for BPI-CM4 module with BPI-CM4IO baseboard

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Date:   Mon, 06 Mar 2023 09:31:37 +0100
From:   Neil Armstrong <neil.armstrong@...aro.org>
To:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Kevin Hilman <khilman@...libre.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Christian Hewitt <christianshewitt@...il.com>
Subject: [PATCH v2 0/2] arm64: amlogic: Add initial support for BPI-CM4
 module with BPI-CM4IO baseboard

Add support for both the BananaPi BPI-CM4 module and the BananaPi
baseboard which is comnpatible with the RaspberryPi CM4IO baseboard.
                                                                                            
The BananaPi BPI-CM4 module follows the CM4 specifications at [1],
but with a single HDMI port and a since DSI output.

The current CM4IO baseboard DT should work fine on the Raspberry CM4
baseboard and other derivatives baseboards, but proper DT should
be written for other baseboards.

The split is done so it's easy to describe a new CM4 baseboard, enabling
only the necessary HW used on the baseboard.

[1] https://datasheets.raspberrypi.com/cm4io/cm4io-datasheet.pdf

Signed-off-by: Neil Armstrong <neil.armstrong@...aro.org>
---
Changes in v2:
- rebased on v6.3-rc1
- Added Tested-by, Acked-by tags
- Fixed audio routing
- Fixed position in makefile
- Fixed emmc 1v8 regulator node name
- Link to v1: https://lore.kernel.org/r/20230303-topic-amlogic-upstream-bpi-cm4-v1-0-5a23a1ade6bd@linaro.org

---
Neil Armstrong (2):
      dt-bindings: arm: amlogic: Document the boards with the BPI-CM4 connected
      arm64: dts: amlogic: Add initial support for BPI-CM4 module with BPI-CM4IO baseboard

 Documentation/devicetree/bindings/arm/amlogic.yaml |   8 +
 arch/arm64/boot/dts/amlogic/Makefile               |   1 +
 .../dts/amlogic/meson-g12b-bananapi-cm4-cm4io.dts  | 165 +++++++++
 .../boot/dts/amlogic/meson-g12b-bananapi-cm4.dtsi  | 388 +++++++++++++++++++++
 4 files changed, 562 insertions(+)
---
base-commit: fe15c26ee26efa11741a7b632e9f23b01aca4cc6
change-id: 20230303-topic-amlogic-upstream-bpi-cm4-92e0562f8950

Best regards,
-- 
Neil Armstrong <neil.armstrong@...aro.org>