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Message-ID: <20230726152439.GA1471409-robh@kernel.org>
Date: Wed, 26 Jul 2023 09:24:39 -0600
From: Rob Herring <robh@...nel.org>
To: Jisheng Zhang <jszhang@...nel.org>
Cc: "David S . Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Giuseppe Cavallaro <peppe.cavallaro@...com>,
Alexandre Torgue <alexandre.torgue@...s.st.com>,
Jose Abreu <joabreu@...opsys.com>, netdev@...r.kernel.org,
linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
linux-stm32@...md-mailman.stormreply.com,
linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH net-next 09/10] dt-bindings: net: snps,dwmac: add per
channel irq support
On Mon, Jul 24, 2023 at 12:10:28AM +0800, Jisheng Zhang wrote:
> The IP supports per channel interrupt, add support for this usage case.
>
> Signed-off-by: Jisheng Zhang <jszhang@...nel.org>
> ---
> .../devicetree/bindings/net/snps,dwmac.yaml | 23 +++++++++++++++++++
> 1 file changed, 23 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Documentation/devicetree/bindings/net/snps,dwmac.yaml
> index bb80ca205d26..525210c2c06c 100644
> --- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml
> +++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml
> @@ -101,6 +101,11 @@ properties:
> minItems: 1
> maxItems: 2
>
> + snps,per-channel-interrupt:
> + $ref: /schemas/types.yaml#/definitions/flag
> + description:
> + Indicates that Rx and Tx complete will generate a unique interrupt for each channel
Can't you determine this based on the number of interrupts or interrupt
names?
> +
> interrupts:
> minItems: 1
> items:
> @@ -109,6 +114,8 @@ properties:
> - description: The interrupt that occurs when Rx exits the LPI state
> - description: The interrupt that occurs when Safety Feature Correctible Errors happen
> - description: The interrupt that occurs when Safety Feature Uncorrectible Errors happen
> + - description: All of the rx per-channel interrupts
> + - description: All of the tx per-channel interrupts
You added 2 interrupts here and...
>
> interrupt-names:
> minItems: 1
> @@ -118,6 +125,22 @@ properties:
> - const: eth_lpi
> - const: sfty_ce_irq
> - const: sfty_ue_irq
> + - const: rx0
> + - const: rx1
> + - const: rx2
> + - const: rx3
> + - const: rx4
> + - const: rx5
> + - const: rx6
> + - const: rx7
> + - const: tx0
> + - const: tx1
> + - const: tx2
> + - const: tx3
> + - const: tx4
> + - const: tx5
> + - const: tx6
> + - const: tx7
And 16 here?
>
> clocks:
> minItems: 1
> --
> 2.40.1
>
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