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From: Krzysztof Kozlowski <krzk@kernel.org>
To: Moteen Shah <m-shah@ti.com>
Cc: conor+dt@kernel.org, robh@kernel.org, krzk+dt@kernel.org,
	nm@ti.com, ssantosh@kernel.org, u-kumar1@ti.com,
	gehariprasath@ti.com, vigneshr@ti.com, afd@ti.com,
	a-limaye@ti.com, y-abhilashchandra@ti.com, johan@kernel.org,
	kees@kernel.org, jm@ti.com, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 1/3] dt-bindings: soc: ti: Document the ti,tda54-mcu-scm-conf binding
Date: Mon, 2 Nov 2026 08:04:35 +0100	[thread overview]
Message-ID: <6cecea78-658a-4278-b5c9-228a827583e0@kernel.org> (raw)
In-Reply-To: <b53d0986-33fd-43d3-a03f-2bbb39dda42a@ti.com>

On 02/11/2026 06:20, Moteen Shah wrote:
>>> +  ti,proxy-id:
>>> +    $ref: /schemas/types.yaml#/definitions/uint32
>>> +    minimum: 0
>>> +    maximum: 7
>>> +    description:
>>> +      Proxy region (0-7) through which this node's clients access
>>> +      claimable registers and their fault status registers.
>> I don't get the need of this property. You have a one, specific device, so
>> why the proxy id would vary per board?
>>
>> It also looks like re-implementing access controllers.
>>
>> Best regards,
>> Krzysztof
> 
> 
> Thanks for the review, Krzysztof. I’ll drop the redundant “binding” from 
> the subject.
> 
> ti,proxy-id is not intended to vary by board. It selects the proxy 

Then it is implied by compatible, no?

> window used by this Linux instance. One use case we need to support is 
> running two VMs with different proxy IDs, with each VM’s DT describing 
> the proxy it uses.
> The driver reads the ID from DT and performs register accesses through 
> that proxy; it does not allocate proxy IDs or decide which VM uses which 
> one.
And if not, my statement still feels applicable.

Best regards,
Krzysztof

  reply	other threads:[~2026-11-02  7:04 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-10-27  8:36 [PATCH v2 0/3] soc: ti: Add TDA54 SCM configuration syscon support Moteen Shah
2026-10-27  8:36 ` [PATCH v2 1/3] dt-bindings: soc: ti: Document the ti,tda54-mcu-scm-conf binding Moteen Shah
2026-10-28 12:24   ` Krzysztof Kozlowski
2026-11-02  5:20     ` Moteen Shah
2026-11-02  7:04       ` Krzysztof Kozlowski [this message]
2026-11-02 10:48         ` Moteen Shah
2026-10-27  8:36 ` [PATCH v2 2/3] soc: ti: k3-socinfo: Export SoC registration helper Moteen Shah
2026-10-27  8:37 ` [PATCH v2 3/3] soc: ti: Add TDA54 SCM configuration syscon support Moteen Shah

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