Hi
On Thu, Feb 28, 2019 at 11:29:37PM -0600, Samuel Holland wrote:
> This series adds support for the "hardware message box" in sun8i, sun9i,
> and sun50i SoCs, used for communication with the ARISC management
> processor (the platform's equivalent of the ARM SCP). The end goal is to
> use the arm_scpi driver as a client, communicating with firmware running
> on the ARISC CPU, or to use the mailbox to forward NMIs that the
> firmware picks up from R_INTC.
>
> Changes from v1:
> - Marked message box clocks as critical instead of hacks in the driver
> - 8 unidirectional channels instead of 4 bidirectional pairs
> - Use per-SoC compatible strings and an A31 fallback compatible
> - Dropped the mailbox framework patch
> - Include DT patches for SoCs that document the message box
>
> Samuel Holland (10):
> clk: sunxi-ng: sun8i: Mark the msgbox clock as critical
> clk: sunxi-ng: sun9i: Mark the msgbox clock as critical
> clk: sunxi-ng: sun50i: Mark the msgbox clock as critical
> dt-bindings: mailbox: Add a sunxi message box binding
> mailbox: sunxi-msgbox: Add a new mailbox driver
> ARM: dts: sunxi: a80: Add msgbox node
> ARM: dts: sunxi: a83t: Add msgbox node
> ARM: dts: sunxi: h3/h5: Add msgbox node
> arm64: dts: allwinner: a64: Add msgbox node
> arm64: dts: allwinner: h6: Add msgbox node
It looks good to me but a few things:
- There's no reason to split the first three patches, so they should
all be merged
- You might consider using a YAML schemas for your DT bindings
documentation. That will bring a more formal descriptiion and DT
validation.
Thanks!
Maxime
--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
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