From: Krzysztof Kozlowski <krzk@kernel.org>
To: Santhosh Kumar K <s-k6@ti.com>
Cc: broonie@kernel.org, robh@kernel.org, krzk+dt@kernel.org,
conor+dt@kernel.org, miquel.raynal@bootlin.com, richard@nod.at,
vigneshr@ti.com, pratyush@kernel.org, mwalle@kernel.org,
takahiro.kuwano@infineon.com, linux-spi@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-mtd@lists.infradead.org, praneeth@ti.com, u-kumar1@ti.com,
a-dutta@ti.com, Conor Dooley <conor.dooley@microchip.com>
Subject: Re: [PATCH v5 01/17] spi: dt-bindings: add spi-max-post-config-frequency-hz property
Date: Mon, 20 Jul 2026 09:40:49 +0200 [thread overview]
Message-ID: <fba1531e-e416-4817-848e-94e9b3f3b501@kernel.org> (raw)
In-Reply-To: <3d470ec8-870a-4e14-90e8-6c7444950192@ti.com>
On 20/07/2026 09:38, Santhosh Kumar K wrote:
>>> diff --git a/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml b/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml
>>> index 880a9f624566..12211f8c9f7d 100644
>>> --- a/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml
>>> +++ b/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml
>>> @@ -45,6 +45,11 @@ properties:
>>> description:
>>> Maximum SPI clocking speed of the device in Hz.
>>>
>>> + spi-max-post-config-frequency-hz:
>>> + description:
>>> + Maximum SPI clock frequency in Hz achievable after controller-side
>>> + configuration.
>>
>> How did you implement my feedback?
>
> Three points from your feedback:
>
> 1. -hz suffix: added
>
> 2. Array property: I still lean towards keeping this as a scalar for
> now, as we don't have a concrete use case for multiple values today, and
> supporting two frequencies should be sufficient for the foreseeable
> future. I had responded to this in the v4 discussion as well, you may
> have missed that response.
>
> 3. maxItems: Since the property remains a scalar, I have not added maxItems.
So how did you make this property scalar?
Best regards,
Krzysztof
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next prev parent reply other threads:[~2026-07-20 7:41 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-17 18:50 [PATCH v5 00/17] spi: cadence-quadspi: add PHY tuning support Santhosh Kumar K
2026-07-17 18:51 ` [PATCH v5 01/17] spi: dt-bindings: add spi-max-post-config-frequency-hz property Santhosh Kumar K
2026-07-19 6:53 ` Krzysztof Kozlowski
2026-07-20 7:38 ` Santhosh Kumar K
2026-07-20 7:40 ` Krzysztof Kozlowski [this message]
2026-07-20 8:48 ` Santhosh Kumar K
2026-07-20 10:09 ` Krzysztof Kozlowski
2026-07-20 10:34 ` Santhosh Kumar K
2026-07-17 18:51 ` [PATCH v5 02/17] spi: dt-bindings: add spi-phy-pattern-partition property Santhosh Kumar K
2026-07-19 6:54 ` Krzysztof Kozlowski
2026-07-17 18:51 ` [PATCH v5 03/17] spi: parse spi-max-post-config-frequency-hz into post_config_max_speed_hz Santhosh Kumar K
2026-07-17 18:51 ` [PATCH v5 04/17] spi: spi-mem: teach spi_mem_adjust_op_freq() about post-config ops Santhosh Kumar K
2026-07-17 18:51 ` [PATCH v5 05/17] spi: spi-mem: add execute_tuning callback and spi_mem_execute_tuning() Santhosh Kumar K
2026-07-17 18:51 ` [PATCH v5 06/17] spi: cadence-quadspi: move cqspi_readdata_capture earlier Santhosh Kumar K
2026-07-17 18:51 ` [PATCH v5 07/17] spi: cadence-quadspi: add DQS support to read data capture Santhosh Kumar K
2026-07-17 18:51 ` [PATCH v5 08/17] spi: cadence-quadspi: add PHY tuning support Santhosh Kumar K
2026-07-17 18:51 ` [PATCH v5 09/17] spi: cadence-quadspi: skip DDR PHY tuning for 2-byte-address ops (i2383) Santhosh Kumar K
2026-07-17 18:51 ` [PATCH v5 10/17] spi: cadence-quadspi: refactor direct read path for PHY support Santhosh Kumar K
2026-07-17 18:51 ` [PATCH v5 11/17] spi: cadence-quadspi: enable PHY for direct reads Santhosh Kumar K
2026-07-17 18:51 ` [PATCH v5 12/17] spi: cadence-quadspi: enable PHY for indirect writes Santhosh Kumar K
2026-07-17 18:51 ` [PATCH v5 13/17] spi: cadence-quadspi: reprogram CS timing on every chip-select switch Santhosh Kumar K
2026-07-17 18:51 ` [PATCH v5 14/17] mtd: spinand: extract variant ranking logic into spinand_op_find_best_variant() Santhosh Kumar K
2026-07-17 18:51 ` [PATCH v5 15/17] mtd: spinand: negotiate optimal controller operating point before dirmap creation Santhosh Kumar K
2026-07-17 18:51 ` [PATCH v5 16/17] mtd: spi-nor: extract read op template construction into helper Santhosh Kumar K
2026-07-17 18:51 ` [PATCH v5 17/17] mtd: spi-nor: run controller optimization before dirmap creation Santhosh Kumar K
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