From: Alex Elder <elder@riscstar.com>
To: Conor Dooley <conor@kernel.org>
Cc: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org,
han.xu@nxp.com, broonie@kernel.org, dlan@gentoo.org,
guodong@riscstar.com, devicetree@vger.kernel.org,
linux-spi@vger.kernel.org, imx@lists.linux.dev,
spacemit@lists.linux.dev, linux-riscv@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/8] dt-bindings: spi: fsl-qspi: add optional resets
Date: Mon, 20 Oct 2025 13:06:48 -0500 [thread overview]
Message-ID: <09484591-e1e4-45a8-8451-afa8feeaf5a7@riscstar.com> (raw)
In-Reply-To: <20251020-henna-headache-fae4440ec7a8@spud>
On 10/20/25 12:44 PM, Conor Dooley wrote:
> On Mon, Oct 20, 2025 at 11:51:44AM -0500, Alex Elder wrote:
>> Allow two resets to be optionally included for the Freescale QSPI driver.
>
> This is a binding, please don't mention the driver here.
OK, I will reword it in v2.
>> Signed-off-by: Alex Elder <elder@riscstar.com>
>> ---
>> Documentation/devicetree/bindings/spi/fsl,spi-fsl-qspi.yaml | 5 +++++
>> 1 file changed, 5 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/spi/fsl,spi-fsl-qspi.yaml b/Documentation/devicetree/bindings/spi/fsl,spi-fsl-qspi.yaml
>> index f2dd20370dbb3..0315a13fe319a 100644
>> --- a/Documentation/devicetree/bindings/spi/fsl,spi-fsl-qspi.yaml
>> +++ b/Documentation/devicetree/bindings/spi/fsl,spi-fsl-qspi.yaml
>> @@ -54,6 +54,11 @@ properties:
>> - const: qspi_en
>> - const: qspi
>>
>> + resets:
>> + items:
>> + - description: SoC QSPI reset
>> + - description: SoC QSPI bus reset
>
> If none of the fsl devices have resets, this should be added alongside
> the new spacemit compatible and not permitted for the other compatibles.
I thought that, being optional, this kind of constraint wasn't
strictly necessary.
Anyway, I'll find out first whether the resets are even required,
and if they are I'll rework this the way you suggest.
Thank you for your very quick review.
-Alex
>> +
>> required:
>> - compatible
>> - reg
>> --
>> 2.48.1
>>
next prev parent reply other threads:[~2025-10-20 18:06 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-20 16:51 [PATCH 0/8] spi: enable the SpacemiT K1 SoC QSPI Alex Elder
2025-10-20 16:51 ` [PATCH 1/8] dt-bindings: spi: fsl-qspi: add optional resets Alex Elder
2025-10-20 17:44 ` Conor Dooley
2025-10-20 18:06 ` Alex Elder [this message]
2025-10-20 16:51 ` [PATCH 2/8] dt-bindings: spi: fsl-qspi: support SpacemiT K1 Alex Elder
2025-10-20 17:39 ` Conor Dooley
2025-10-20 18:06 ` Alex Elder
2025-10-20 18:26 ` Mark Brown
2025-10-20 18:37 ` Alex Elder
2025-10-20 18:39 ` Conor Dooley
2025-10-22 4:34 ` Alex Elder
2025-10-20 17:41 ` Conor Dooley
2025-10-20 18:06 ` Alex Elder
2025-10-20 18:41 ` Conor Dooley
2025-10-20 16:51 ` [PATCH 3/8] spi: fsl-qspi: add optional reset support Alex Elder
2025-10-20 19:07 ` Frank Li
2025-10-22 4:34 ` Alex Elder
2025-10-20 16:51 ` [PATCH 4/8] spi: fsl-qspi: add a clock disable quirk Alex Elder
2025-10-20 19:13 ` Frank Li
2025-10-22 4:34 ` Alex Elder
2025-10-20 16:51 ` [PATCH 5/8] spi: fsl-qspi: allot 1KB per chip Alex Elder
2025-10-20 19:20 ` Frank Li
2025-10-22 4:34 ` Alex Elder
2025-10-20 16:51 ` [PATCH 6/8] spi: fsl-qspi: support the SpacemiT K1 SoC Alex Elder
2025-10-20 19:23 ` Frank Li
2025-10-22 4:34 ` Alex Elder
2025-10-20 16:51 ` [PATCH 7/8] riscv: dts: spacemit: enable K1 SoC QSPI on BPI-F3 Alex Elder
2025-10-20 16:51 ` [PATCH 8/8] riscv: defconfig: enable SPI_FSL_QUADSPI as a module Alex Elder
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