From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E391DCCFA1A for ; Tue, 11 Nov 2025 10:52:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=fVHpCHvQ47f5iWcrX4oQeHG5YgwNSa7p4h0+Wppk76k=; b=EUaE29VwI0YBf1fc1x/O/0lfoy dFEodEI2RAwC7bQPONdn1TG8JQd1lnS2mG8Zrui6hyiJkN8s6ECs2m+cgR6YVW5NsF/J3sGXxeWoy vYOGkZ4HZ/zDsr72rRXnNDdm/1798QoqKjs7F/27hFGiP4SFgF9XbX9p5ziQFd/FG4IqdAF8RoyBq WBwiSt2t2Kp+1ncOCNiygE6w17TzL5KVmcAyat4LRdwq6Gg2rq55DrOFh7z9QiRtGiy/1s76GBvL1 ihqa5St2tW8EqQmDLrpujhhR17pr+hFUN3eu2BW+EvLaLEAFP9MyMHF+GvXY0BN7KtvQk1kpgEXai H+3T1EBA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vIlzR-0000000715U-0mSZ; Tue, 11 Nov 2025 10:52:45 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vIlzP-0000000714Y-3Z41 for linux-arm-kernel@lists.infradead.org; Tue, 11 Nov 2025 10:52:43 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 3DE3261903; Tue, 11 Nov 2025 10:52:43 +0000 (UTC) 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 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 X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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