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Message-ID: <7b6489b7-ec9f-4fc7-af72-4d5cc87acd7f@kernel.org>
Date: Fri, 3 May 2024 16:46:13 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Prajna.Rajendrakumar@...rochip.com, broonie@...nel.org
Cc: linux-spi@...r.kernel.org, linux-riscv@...ts.infradead.org,
Conor.Dooley@...rochip.com, devicetree@...r.kernel.org, robh@...nel.org,
linux-kernel@...r.kernel.org, krzk+dt@...nel.org,
Valentina.FernandezAlanis@...rochip.com, Daire.McNamara@...rochip.com
Subject: Re: [PATCH 2/3] spi: dt-bindings: Add num-cs property for mpfs-spi
On 03/05/2024 14:54, Prajna.Rajendrakumar@...rochip.com wrote:
>>
>>> + - if:
>>> + properties:
>>> + compatible:
>>> + contains:
>>> + const: microchip,mpfs-spi
>>> + not:
>>> + required:
>>> + - cs-gpios
>>
>> I don't understand what you are expressing here. Did you actually
>> validate it that it achieves exactly what you want?
>
> Since the controller supports only one chip select, the num-cs should
> default to 1 and cannot exceed 1 unless GPIOs are used as chip selects.
That's not really the answer... or you want to say you did not test it?
Best regards,
Krzysztof
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