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SubjectRe: [PATCH v3 2/6] dt-bindings: treewide: add feature-domains description in binding files
On Fri, Jan 27, 2023 at 05:40:36PM +0100, Gatien Chevallier wrote:
> feature-domains is an optional property that allows a peripheral to
> refer to one or more feature domain controller(s).
>
> Description of this property is added to all peripheral binding files of
> the peripheral under the STM32 System Bus. It allows an accurate
> representation of the hardware, where various peripherals are connected
> to this firewall bus. The firewall can then check the peripheral accesses
> before allowing it to probe.
>
> Signed-off-by: Gatien Chevallier <gatien.chevallier@foss.st.com>
> ---
>
> Patch not present in V1 and V2.
>
> Documentation/devicetree/bindings/crypto/st,stm32-hash.yaml | 5 +++++
> Documentation/devicetree/bindings/dma/st,stm32-dma.yaml | 5 +++++
> Documentation/devicetree/bindings/dma/st,stm32-dmamux.yaml | 5 +++++
> Documentation/devicetree/bindings/i2c/st,stm32-i2c.yaml | 5 +++++
> Documentation/devicetree/bindings/iio/adc/st,stm32-adc.yaml | 5 +++++
> .../devicetree/bindings/iio/adc/st,stm32-dfsdm-adc.yaml | 5 +++++
> Documentation/devicetree/bindings/iio/dac/st,stm32-dac.yaml | 5 +++++
> Documentation/devicetree/bindings/media/st,stm32-cec.yaml | 5 +++++
> Documentation/devicetree/bindings/media/st,stm32-dcmi.yaml | 5 +++++
> .../bindings/memory-controllers/st,stm32-fmc2-ebi.yaml | 5 +++++
> Documentation/devicetree/bindings/mfd/st,stm32-lptimer.yaml | 5 +++++
> Documentation/devicetree/bindings/mfd/st,stm32-timers.yaml | 6 ++++++
> Documentation/devicetree/bindings/mmc/arm,pl18x.yaml | 5 +++++
> Documentation/devicetree/bindings/net/stm32-dwmac.yaml | 5 +++++
> .../devicetree/bindings/phy/phy-stm32-usbphyc.yaml | 5 +++++
> .../devicetree/bindings/regulator/st,stm32-vrefbuf.yaml | 5 +++++
> Documentation/devicetree/bindings/rng/st,stm32-rng.yaml | 5 +++++
> Documentation/devicetree/bindings/serial/st,stm32-uart.yaml | 5 +++++
> Documentation/devicetree/bindings/sound/st,stm32-i2s.yaml | 5 +++++
> Documentation/devicetree/bindings/sound/st,stm32-sai.yaml | 5 +++++
> .../devicetree/bindings/sound/st,stm32-spdifrx.yaml | 5 +++++
> Documentation/devicetree/bindings/spi/st,stm32-qspi.yaml | 5 +++++
> Documentation/devicetree/bindings/spi/st,stm32-spi.yaml | 5 +++++
> Documentation/devicetree/bindings/usb/dwc2.yaml | 5 +++++
> 24 files changed, 121 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/crypto/st,stm32-hash.yaml b/Documentation/devicetree/bindings/crypto/st,stm32-hash.yaml
> index 4ccb335e8063..cb2ad7d5fdb5 100644
> --- a/Documentation/devicetree/bindings/crypto/st,stm32-hash.yaml
> +++ b/Documentation/devicetree/bindings/crypto/st,stm32-hash.yaml
> @@ -41,6 +41,11 @@ properties:
> maximum: 2
> default: 0
>
> + feature-domains:
> + $ref: /schemas/feature-controllers/feature-domain-controller.yaml#/properties/feature-domains

Not how common properties work. Consumer properties should be in a
schema with 'select: true' (the one you are referencing) and here you
just need to define the entries. Like clocks, power-domains, etc.

> + minItems: 1
> + maxItems: 3

Why is this variable and what is each entry?

I still don't like the naming. Everything is a feature and a domain...

It might be a bit easier to come up with a name with multiple users of
this binding presented. I'm hesistant to define any new common binding
with only 1 user as I've said multiple times on this binding.

Rob

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