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Message-ID: <20230729121629.79ac3d9b@jic23-huawei>
Date: Sat, 29 Jul 2023 12:16:29 +0100
From: Jonathan Cameron <jic23@...nel.org>
To: Gatien Chevallier <gatien.chevallier@...s.st.com>
Cc: <Oleksii_Moisieiev@...m.com>, <gregkh@...uxfoundation.org>,
<herbert@...dor.apana.org.au>, <davem@...emloft.net>, <robh+dt@...nel.org>,
<krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
<alexandre.torgue@...s.st.com>, <vkoul@...nel.org>,
<olivier.moysan@...s.st.com>, <arnaud.pouliquen@...s.st.com>,
<mchehab@...nel.org>, <fabrice.gasnier@...s.st.com>,
<andi.shyti@...nel.org>, <ulf.hansson@...aro.org>, <edumazet@...gle.com>,
<kuba@...nel.org>, <pabeni@...hat.com>, <hugues.fruchet@...s.st.com>,
<lee@...nel.org>, <will@...nel.org>, <catalin.marinas@....com>,
<arnd@...nel.org>, <richardcochran@...il.com>, Frank Rowand
<frowand.list@...il.com>, <linux-crypto@...r.kernel.org>,
<devicetree@...r.kernel.org>, <linux-stm32@...md-mailman.stormreply.com>,
<linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
<dmaengine@...r.kernel.org>, <linux-i2c@...r.kernel.org>,
<linux-iio@...r.kernel.org>, <alsa-devel@...a-project.org>,
<linux-media@...r.kernel.org>, <linux-mmc@...r.kernel.org>,
<netdev@...r.kernel.org>, <linux-phy@...ts.infradead.org>,
<linux-serial@...r.kernel.org>, <linux-spi@...r.kernel.org>,
<linux-usb@...r.kernel.org>
Subject: Re: [PATCH v3 02/11] dt-bindings: treewide: add feature-domains
description
On Wed, 26 Jul 2023 10:38:01 +0200
Gatien Chevallier <gatien.chevallier@...s.st.com> 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 firewall controllers. 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@...s.st.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@...wei.com> #for IIO
> ---
>
> Changes in V2:
> - Add missing "feature-domains" property declaration
> in bosch,m_can.yaml and st,stm32-cryp.yaml files
>
> Documentation/devicetree/bindings/crypto/st,stm32-cryp.yaml | 4 ++++
> Documentation/devicetree/bindings/crypto/st,stm32-hash.yaml | 4 ++++
> Documentation/devicetree/bindings/dma/st,stm32-dma.yaml | 4 ++++
> Documentation/devicetree/bindings/dma/st,stm32-dmamux.yaml | 4 ++++
> Documentation/devicetree/bindings/i2c/st,stm32-i2c.yaml | 4 ++++
> Documentation/devicetree/bindings/iio/adc/st,stm32-adc.yaml | 4 ++++
> .../devicetree/bindings/iio/adc/st,stm32-dfsdm-adc.yaml | 4 ++++
> Documentation/devicetree/bindings/iio/dac/st,stm32-dac.yaml | 4 ++++
> .../devicetree/bindings/media/cec/st,stm32-cec.yaml | 4 ++++
> Documentation/devicetree/bindings/media/st,stm32-dcmi.yaml | 4 ++++
> .../bindings/memory-controllers/st,stm32-fmc2-ebi.yaml | 4 ++++
> Documentation/devicetree/bindings/mfd/st,stm32-lptimer.yaml | 4 ++++
> Documentation/devicetree/bindings/mfd/st,stm32-timers.yaml | 5 +++++
> Documentation/devicetree/bindings/mmc/arm,pl18x.yaml | 4 ++++
> Documentation/devicetree/bindings/net/can/bosch,m_can.yaml | 4 ++++
> Documentation/devicetree/bindings/net/stm32-dwmac.yaml | 4 ++++
> Documentation/devicetree/bindings/phy/phy-stm32-usbphyc.yaml | 4 ++++
> .../devicetree/bindings/regulator/st,stm32-vrefbuf.yaml | 4 ++++
> Documentation/devicetree/bindings/rng/st,stm32-rng.yaml | 4 ++++
> Documentation/devicetree/bindings/serial/st,stm32-uart.yaml | 4 ++++
> Documentation/devicetree/bindings/sound/st,stm32-i2s.yaml | 4 ++++
> Documentation/devicetree/bindings/sound/st,stm32-sai.yaml | 4 ++++
> .../devicetree/bindings/sound/st,stm32-spdifrx.yaml | 4 ++++
> Documentation/devicetree/bindings/spi/st,stm32-qspi.yaml | 4 ++++
> Documentation/devicetree/bindings/spi/st,stm32-spi.yaml | 4 ++++
> Documentation/devicetree/bindings/usb/dwc2.yaml | 4 ++++
> 26 files changed, 105 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/crypto/st,stm32-cryp.yaml b/Documentation/devicetree/bindings/crypto/st,stm32-cryp.yaml
> index 0ddeb8a9a7a0..87a578327fc0 100644
> --- a/Documentation/devicetree/bindings/crypto/st,stm32-cryp.yaml
> +++ b/Documentation/devicetree/bindings/crypto/st,stm32-cryp.yaml
> @@ -46,6 +46,10 @@ properties:
> power-domains:
> maxItems: 1
>
> + feature-domains:
> + minItems: 1
> + maxItems: 2
> +
> required:
> - compatible
> - reg
> diff --git a/Documentation/devicetree/bindings/crypto/st,stm32-hash.yaml b/Documentation/devicetree/bindings/crypto/st,stm32-hash.yaml
> index b767ec72a999..042a1e005ab2 100644
> --- a/Documentation/devicetree/bindings/crypto/st,stm32-hash.yaml
> +++ b/Documentation/devicetree/bindings/crypto/st,stm32-hash.yaml
> @@ -50,6 +50,10 @@ properties:
> power-domains:
> maxItems: 1
>
> + feature-domains:
> + minItems: 1
> + maxItems: 2
> +
> required:
> - compatible
> - reg
> diff --git a/Documentation/devicetree/bindings/dma/st,stm32-dma.yaml b/Documentation/devicetree/bindings/dma/st,stm32-dma.yaml
> index 329847ef096a..9f60915e6130 100644
> --- a/Documentation/devicetree/bindings/dma/st,stm32-dma.yaml
> +++ b/Documentation/devicetree/bindings/dma/st,stm32-dma.yaml
> @@ -82,6 +82,10 @@ properties:
> description: if defined, it indicates that the controller
> supports memory-to-memory transfer
>
> + feature-domains:
> + minItems: 1
> + maxItems: 2
> +
> required:
> - compatible
> - reg
> diff --git a/Documentation/devicetree/bindings/dma/st,stm32-dmamux.yaml b/Documentation/devicetree/bindings/dma/st,stm32-dmamux.yaml
> index e722fbcd8a5f..15d33d41098f 100644
> --- a/Documentation/devicetree/bindings/dma/st,stm32-dmamux.yaml
> +++ b/Documentation/devicetree/bindings/dma/st,stm32-dmamux.yaml
> @@ -28,6 +28,10 @@ properties:
> resets:
> maxItems: 1
>
> + feature-domains:
> + minItems: 1
> + maxItems: 2
> +
> required:
> - compatible
> - reg
> diff --git a/Documentation/devicetree/bindings/i2c/st,stm32-i2c.yaml b/Documentation/devicetree/bindings/i2c/st,stm32-i2c.yaml
> index 94b75d9f66cd..8a1a21faab8c 100644
> --- a/Documentation/devicetree/bindings/i2c/st,stm32-i2c.yaml
> +++ b/Documentation/devicetree/bindings/i2c/st,stm32-i2c.yaml
> @@ -99,6 +99,10 @@ properties:
>
> wakeup-source: true
>
> + feature-domains:
> + minItems: 1
> + maxItems: 2
> +
> required:
> - compatible
> - reg
> diff --git a/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.yaml b/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.yaml
> index 995cbf8cefc6..d59ac9282a28 100644
> --- a/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.yaml
> +++ b/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.yaml
> @@ -93,6 +93,10 @@ properties:
> '#size-cells':
> const: 0
>
> + feature-domains:
> + minItems: 1
> + maxItems: 2
> +
> allOf:
> - if:
> properties:
> diff --git a/Documentation/devicetree/bindings/iio/adc/st,stm32-dfsdm-adc.yaml b/Documentation/devicetree/bindings/iio/adc/st,stm32-dfsdm-adc.yaml
> index 1970503389aa..39ee55aa4dd8 100644
> --- a/Documentation/devicetree/bindings/iio/adc/st,stm32-dfsdm-adc.yaml
> +++ b/Documentation/devicetree/bindings/iio/adc/st,stm32-dfsdm-adc.yaml
> @@ -59,6 +59,10 @@ properties:
> If not, SPI CLKOUT frequency will not be accurate.
> maximum: 20000000
>
> + feature-domains:
> + minItems: 1
> + maxItems: 2
> +
> required:
> - compatible
> - reg
> diff --git a/Documentation/devicetree/bindings/iio/dac/st,stm32-dac.yaml b/Documentation/devicetree/bindings/iio/dac/st,stm32-dac.yaml
> index 04045b932bd2..184d0a44d1de 100644
> --- a/Documentation/devicetree/bindings/iio/dac/st,stm32-dac.yaml
> +++ b/Documentation/devicetree/bindings/iio/dac/st,stm32-dac.yaml
> @@ -45,6 +45,10 @@ properties:
> '#size-cells':
> const: 0
>
> + feature-domains:
> + minItems: 1
> + maxItems: 2
> +
> additionalProperties: false
>
> required:
> diff --git a/Documentation/devicetree/bindings/media/cec/st,stm32-cec.yaml b/Documentation/devicetree/bindings/media/cec/st,stm32-cec.yaml
> index 2314a9a14650..41db21373301 100644
> --- a/Documentation/devicetree/bindings/media/cec/st,stm32-cec.yaml
> +++ b/Documentation/devicetree/bindings/media/cec/st,stm32-cec.yaml
> @@ -29,6 +29,10 @@ properties:
> - const: cec
> - const: hdmi-cec
>
> + feature-domains:
> + minItems: 1
> + maxItems: 2
> +
> required:
> - compatible
> - reg
> diff --git a/Documentation/devicetree/bindings/media/st,stm32-dcmi.yaml b/Documentation/devicetree/bindings/media/st,stm32-dcmi.yaml
> index 6b3e413cedb2..81e1cd5e30cc 100644
> --- a/Documentation/devicetree/bindings/media/st,stm32-dcmi.yaml
> +++ b/Documentation/devicetree/bindings/media/st,stm32-dcmi.yaml
> @@ -36,6 +36,10 @@ properties:
> resets:
> maxItems: 1
>
> + feature-domains:
> + minItems: 1
> + maxItems: 2
> +
> port:
> $ref: /schemas/graph.yaml#/$defs/port-base
> unevaluatedProperties: false
> diff --git a/Documentation/devicetree/bindings/memory-controllers/st,stm32-fmc2-ebi.yaml b/Documentation/devicetree/bindings/memory-controllers/st,stm32-fmc2-ebi.yaml
> index 14f1833d37c9..4ef01ee4a5e5 100644
> --- a/Documentation/devicetree/bindings/memory-controllers/st,stm32-fmc2-ebi.yaml
> +++ b/Documentation/devicetree/bindings/memory-controllers/st,stm32-fmc2-ebi.yaml
> @@ -45,6 +45,10 @@ properties:
> Reflects the memory layout with four integer values per bank. Format:
> <bank-number> 0 <address of the bank> <size>
>
> + feature-domains:
> + minItems: 1
> + maxItems: 2
> +
> patternProperties:
> "^.*@[0-4],[a-f0-9]+$":
> additionalProperties: true
> diff --git a/Documentation/devicetree/bindings/mfd/st,stm32-lptimer.yaml b/Documentation/devicetree/bindings/mfd/st,stm32-lptimer.yaml
> index 27329c5dc38e..156aed282fb8 100644
> --- a/Documentation/devicetree/bindings/mfd/st,stm32-lptimer.yaml
> +++ b/Documentation/devicetree/bindings/mfd/st,stm32-lptimer.yaml
> @@ -44,6 +44,10 @@ properties:
>
> wakeup-source: true
>
> + feature-domains:
> + minItems: 1
> + maxItems: 2
> +
> pwm:
> type: object
> additionalProperties: false
> diff --git a/Documentation/devicetree/bindings/mfd/st,stm32-timers.yaml b/Documentation/devicetree/bindings/mfd/st,stm32-timers.yaml
> index f84e09a5743b..d19981ef3fce 100644
> --- a/Documentation/devicetree/bindings/mfd/st,stm32-timers.yaml
> +++ b/Documentation/devicetree/bindings/mfd/st,stm32-timers.yaml
> @@ -67,6 +67,11 @@ properties:
> "#size-cells":
> const: 0
>
> + feature-domains:
> + minItems: 1
> + maxItems: 2
> +
> +
> pwm:
> type: object
> additionalProperties: false
> diff --git a/Documentation/devicetree/bindings/mmc/arm,pl18x.yaml b/Documentation/devicetree/bindings/mmc/arm,pl18x.yaml
> index 2459a55ed540..5a8b53d5c35f 100644
> --- a/Documentation/devicetree/bindings/mmc/arm,pl18x.yaml
> +++ b/Documentation/devicetree/bindings/mmc/arm,pl18x.yaml
> @@ -79,6 +79,10 @@ properties:
> - const: rx
> - const: tx
>
> + feature-domains:
> + minItems: 1
> + maxItems: 2
> +
> power-domains: true
>
> resets:
> diff --git a/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml b/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml
> index 67879aab623b..144cbcbefa37 100644
> --- a/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml
> +++ b/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml
> @@ -118,6 +118,10 @@ properties:
> phys:
> maxItems: 1
>
> + feature-domains:
> + minItems: 1
> + maxItems: 2
> +
> required:
> - compatible
> - reg
> diff --git a/Documentation/devicetree/bindings/net/stm32-dwmac.yaml b/Documentation/devicetree/bindings/net/stm32-dwmac.yaml
> index fc8c96b08d7d..133e1edbd561 100644
> --- a/Documentation/devicetree/bindings/net/stm32-dwmac.yaml
> +++ b/Documentation/devicetree/bindings/net/stm32-dwmac.yaml
> @@ -93,6 +93,10 @@ properties:
> select RCC clock instead of ETH_REF_CLK.
> type: boolean
>
> + feature-domains:
> + minItems: 1
> + maxItems: 2
> +
> required:
> - compatible
> - clocks
> diff --git a/Documentation/devicetree/bindings/phy/phy-stm32-usbphyc.yaml b/Documentation/devicetree/bindings/phy/phy-stm32-usbphyc.yaml
> index 24a3dbde223b..89fa65f31d20 100644
> --- a/Documentation/devicetree/bindings/phy/phy-stm32-usbphyc.yaml
> +++ b/Documentation/devicetree/bindings/phy/phy-stm32-usbphyc.yaml
> @@ -55,6 +55,10 @@ properties:
> description: number of clock cells for ck_usbo_48m consumer
> const: 0
>
> + feature-domains:
> + minItems: 1
> + maxItems: 2
> +
> # Required child nodes:
>
> patternProperties:
> diff --git a/Documentation/devicetree/bindings/regulator/st,stm32-vrefbuf.yaml b/Documentation/devicetree/bindings/regulator/st,stm32-vrefbuf.yaml
> index 05f4ad2c7d3a..b73a97f89fe4 100644
> --- a/Documentation/devicetree/bindings/regulator/st,stm32-vrefbuf.yaml
> +++ b/Documentation/devicetree/bindings/regulator/st,stm32-vrefbuf.yaml
> @@ -30,6 +30,10 @@ properties:
> vdda-supply:
> description: phandle to the vdda input analog voltage.
>
> + feature-domains:
> + minItems: 1
> + maxItems: 2
> +
> required:
> - compatible
> - reg
> diff --git a/Documentation/devicetree/bindings/rng/st,stm32-rng.yaml b/Documentation/devicetree/bindings/rng/st,stm32-rng.yaml
> index 187b172d0cca..c45e6285653c 100644
> --- a/Documentation/devicetree/bindings/rng/st,stm32-rng.yaml
> +++ b/Documentation/devicetree/bindings/rng/st,stm32-rng.yaml
> @@ -30,6 +30,10 @@ properties:
> type: boolean
> description: If set enable the clock detection management
>
> + feature-domains:
> + minItems: 1
> + maxItems: 2
> +
> required:
> - compatible
> - reg
> diff --git a/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml b/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml
> index 1df8ffe95fc6..b80d5a8ff4e8 100644
> --- a/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml
> +++ b/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml
> @@ -70,6 +70,10 @@ properties:
> enum: [1, 2, 4, 8, 12, 14, 16]
> default: 8
>
> + feature-domains:
> + minItems: 1
> + maxItems: 2
> +
> allOf:
> - $ref: rs485.yaml#
> - $ref: serial.yaml#
> diff --git a/Documentation/devicetree/bindings/sound/st,stm32-i2s.yaml b/Documentation/devicetree/bindings/sound/st,stm32-i2s.yaml
> index b9111d375b93..30339447cc24 100644
> --- a/Documentation/devicetree/bindings/sound/st,stm32-i2s.yaml
> +++ b/Documentation/devicetree/bindings/sound/st,stm32-i2s.yaml
> @@ -65,6 +65,10 @@ properties:
> $ref: audio-graph-port.yaml#
> unevaluatedProperties: false
>
> + feature-domains:
> + minItems: 1
> + maxItems: 2
> +
> required:
> - compatible
> - "#sound-dai-cells"
> diff --git a/Documentation/devicetree/bindings/sound/st,stm32-sai.yaml b/Documentation/devicetree/bindings/sound/st,stm32-sai.yaml
> index 56d206f97a96..f59770ead3e3 100644
> --- a/Documentation/devicetree/bindings/sound/st,stm32-sai.yaml
> +++ b/Documentation/devicetree/bindings/sound/st,stm32-sai.yaml
> @@ -48,6 +48,10 @@ properties:
> clock-names:
> maxItems: 3
>
> + feature-domains:
> + minItems: 1
> + maxItems: 2
> +
> required:
> - compatible
> - reg
> diff --git a/Documentation/devicetree/bindings/sound/st,stm32-spdifrx.yaml b/Documentation/devicetree/bindings/sound/st,stm32-spdifrx.yaml
> index bc48151b9adb..480ce8704fda 100644
> --- a/Documentation/devicetree/bindings/sound/st,stm32-spdifrx.yaml
> +++ b/Documentation/devicetree/bindings/sound/st,stm32-spdifrx.yaml
> @@ -50,6 +50,10 @@ properties:
> resets:
> maxItems: 1
>
> + feature-domains:
> + minItems: 1
> + maxItems: 2
> +
> required:
> - compatible
> - "#sound-dai-cells"
> diff --git a/Documentation/devicetree/bindings/spi/st,stm32-qspi.yaml b/Documentation/devicetree/bindings/spi/st,stm32-qspi.yaml
> index 8bba965a9ae6..3331f6cd1b75 100644
> --- a/Documentation/devicetree/bindings/spi/st,stm32-qspi.yaml
> +++ b/Documentation/devicetree/bindings/spi/st,stm32-qspi.yaml
> @@ -46,6 +46,10 @@ properties:
> - const: tx
> - const: rx
>
> + feature-domains:
> + minItems: 1
> + maxItems: 2
> +
> required:
> - compatible
> - reg
> diff --git a/Documentation/devicetree/bindings/spi/st,stm32-spi.yaml b/Documentation/devicetree/bindings/spi/st,stm32-spi.yaml
> index 9ca1a843c820..a0664a0fcabf 100644
> --- a/Documentation/devicetree/bindings/spi/st,stm32-spi.yaml
> +++ b/Documentation/devicetree/bindings/spi/st,stm32-spi.yaml
> @@ -59,6 +59,10 @@ properties:
> - const: rx
> - const: tx
>
> + feature-domains:
> + minItems: 1
> + maxItems: 2
> +
> patternProperties:
> "^[a-zA-Z][a-zA-Z0-9,+\\-._]{0,63}@[0-9a-f]+$":
> type: object
> diff --git a/Documentation/devicetree/bindings/usb/dwc2.yaml b/Documentation/devicetree/bindings/usb/dwc2.yaml
> index 0a5c98ea711d..95b615ee3a07 100644
> --- a/Documentation/devicetree/bindings/usb/dwc2.yaml
> +++ b/Documentation/devicetree/bindings/usb/dwc2.yaml
> @@ -172,6 +172,10 @@ properties:
>
> tpl-support: true
>
> + feature-domains:
> + minItems: 1
> + maxItems: 2
> +
> dependencies:
> port: [ usb-role-switch ]
> role-switch-default-mode: [ usb-role-switch ]
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