From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 07AD5355810; Tue, 11 Nov 2025 10:52:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762858363; cv=none; b=tsB7eqGEm/T4DOoo3Z0rjFmxymIOKDT9740YFzntoqxwuo+boBC8StRFdA+tVxDFTERNOdWXftOl7+F9M5eVYp2JQTcXfgw0coxaU63Ov0x4EyrUw+UF0dsgfAvzRlA1P4hnHEps9sjdqhxyRdLkUThsIMtQkTB9ndhqg2KLj0w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762858363; c=relaxed/simple; bh=cCTD0QyA+uggkV48vUm1Ubz+S0RgdiJM+7/WyAymWdc=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=UT2Cn9zi/phBOg7lH63qyv+inApqsc+oY9txe1dYAg19ySbtNt02glq7S+CckiWI6SmSXcKGaCWPf9KFNTo+sO23OM3ulbpnqwrWfvLMwMQuoBKEDa6NQfv0oD1u3Z3l0I2ZG+ZxYK/DqyC8AuFlALtCpVVv8xakp1ppzGJVSlc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=UiunqGTe; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="UiunqGTe" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2AC98C4CEF7; Tue, 11 Nov 2025 10:52:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1762858362; bh=cCTD0QyA+uggkV48vUm1Ubz+S0RgdiJM+7/WyAymWdc=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=UiunqGTeK7ax2HSruGmUA2ckMrYezgj5CGhYF+Z+s/iiYi36SDWlRpBaVYjWrxlZS GpPdAsRvF0BglDIkxrFbCJuKmhQU6Ygj/NY0EFYH8DHlGZJBmmdjDKxUGAYPDPupjR /2bys/99YcNICpdjQwVITk6rPtHpBHe2J8frUZHn5BaBKzWXAcTID5KJwIwWAnD/Jd 7Cb4TBUQ3Ceqg2ovdikN1d5VO+S5VQtUgGJTB7NhgAGNCzLebZw6AsvEfJrkuOjtve LE5l5VnFFcZfobF9oA8rRZ0rp8bB76eUildr3C2+L0M+SQFMAxBWUB0AzlCJUlBH1y +gRpYZED1x9Kw== Message-ID: Date: Tue, 11 Nov 2025 11:52:38 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH RFC] dt-bindings: arm: keystone: add boot_* mailboxes To: Anshul Dalal , Nishanth Menon , Tero Kristo , Santosh Shilimkar , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Vignesh Raghavendra References: <20251111-k3_syscon_add_boot_mailboxes-v1-1-529a27f21076@ti.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 11/11/2025 11:37, Anshul Dalal wrote: > The bootloader on K3 devices makes use of mailboxes as per the ROM spec > which might be different than one's available to the kernel (firmware > spec). Why is this RFC? You don't expect review? > > Therefore, this patch adds the missing mailbox entries to the DT binding > to represent the mailboxes exposed by the hardware during boot for the > purpose of loading the firmware. > > Signed-off-by: Anshul Dalal > --- > Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml | 10 +++++++++- > 1 file changed, 9 insertions(+), 1 deletion(-) > > diff --git a/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml b/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml > index 25a2b42105e541cb3c8ad12a0dfec1af038fa907..b5f48647a0f09bb930f052ea0f84a78525c925eb 100644 > --- a/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml > +++ b/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml > @@ -51,15 +51,23 @@ properties: > minItems: 1 > > mbox-names: > + minItems: 2 > + maxItems: 6 > description: | > Specifies the mailboxes used to communicate with TI-SCI Controller > - made available from TI-SCI controller. > + made available from TI-SCI controller. All boot_* mailboxes are used by > + the first stage bootloader to load firmware for the device. Description does not go to mbox-names, but to mboxes. > items: > - const: rx > - const: tx > + - const: notify > + - const: boot_rx > + - const: boot_tx > + - const: boot_notify > > mboxes: > minItems: 2 > + maxItems: 6 You need to list the items instead. > > ti,host-id: > $ref: /schemas/types.yaml#/definitions/uint32 You should update the example so it will be complete. Best regards, Krzysztof