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 08A5AE9DE5B for ; Thu, 9 Apr 2026 07:30:36 +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:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=BT4K2Zf/nxxoglAtguOwCkdFi7MIc2xLvXbL9RRrrX4=; b=lriOHn+LuS4UYC434S8NybkFnz Mqyx9fDJRUmxxOHgDUNgx7vh0NWc5xwdb2KQaEMyZSFmqM5RJikXAzedoWwZHikMBuwBEtFJCi/cI VKwDh8VPy3VOKleALBOoW2plmzCgH1TzNlNwTfqw+X+p24WCrtngZMIxTY4UIsjW1Nfv5mLHgYLWd PYjE9yvRdgJiJV8ormi3/SSRqxXs8k72oUz5FtAfvyABe/GgjCiTUzTPgKtHvzXa9zHwa6JkAVzEE JulyYJFsbnA3AQLmoSfjKJ8531ru2uq8DRFsEqqvOZvPv2CmeDc10hVrCZf26E2TxEgScPDCoZhwo kbohwfwg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1wAjqQ-00000009qzg-0hkk; Thu, 09 Apr 2026 07:30:30 +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 1wAjqL-00000009qzL-3WJm; Thu, 09 Apr 2026 07:30:26 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 2443D600AD; Thu, 9 Apr 2026 07:30:25 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4827EC4CEF7; Thu, 9 Apr 2026 07:30:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1775719824; bh=vwghWor8OZe17SmQaOpkWmuy9YBmg+3I3XnkIV/bOig=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ubxdOzeyBTj+xJL5QphQ13nGFi9Y7uZlWAPeqOQVhIbTssTm5eLVRQfZGM0zCNBP2 CuRqfybrbijyPd2NCt9JaXYmSRYiI+ObSkFP89QOPazz6ZKGRlwC2BRRg2LiIaUaUZ vArBk2OpZRCUFWnWxD69y3CShwa7If0gChD47f9b59ibWotr1kowXE7gOoXaP96ymj 54R8bO/ZzzCjyDS9y8Rz+ge2M0HXiDnncQGdtibon+vRkHEb4oU3l/o8DpRgUrUWHc D8dbVIw99xyu5lXojtVjYkysEKG+/bjMk4o1ND4HSjv200ODdMIcbC6ixGTeiVhdRs 2NXKxf8/6xyoA== Date: Thu, 9 Apr 2026 09:30:22 +0200 From: Krzysztof Kozlowski To: Dawid Glazik Cc: Alexandre Belloni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Joel Stanley , Andrew Jeffery , linux-aspeed@lists.ozlabs.org, linux-i3c@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Frank Li , Maciej Lawniczak , Jeremy Kerr Subject: Re: [PATCH v3 2/3] ARM: dts: aspeed-g6: Add nodes for i3c controllers Message-ID: <20260409-massive-natural-crayfish-c1cf2f@quoll> References: <51c4bdc02b45f67a0e32610a228091e137c135a6.1775679285.git.dawid.glazik@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <51c4bdc02b45f67a0e32610a228091e137c135a6.1775679285.git.dawid.glazik@linux.intel.com> 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 Wed, Apr 08, 2026 at 10:34:34PM +0200, Dawid Glazik wrote: > Add the i3c controller devices to the ast2600 g6 common dts. We add all > 6 busses to the common g6 definition, but leave disabled through the > status property, to be enabled per-platform. > > Originally-by: Jeremy Kerr Don't invent tags. This is not used outside of TIP. > Signed-off-by: Dawid Glazik > --- > v3: > - add i3c aliases > - rebase on top of latest tree and solve conflicts > - as agreed with Jeremy off-list, he said I can take authorship of this going forward > v2: > - use inline bus representation, without the i3c: label > --- > arch/arm/boot/dts/aspeed/aspeed-g6.dtsi | 97 +++++++++++++++++++++++++ > 1 file changed, 97 insertions(+) > > diff --git a/arch/arm/boot/dts/aspeed/aspeed-g6.dtsi b/arch/arm/boot/dts/aspeed/aspeed-g6.dtsi > index f5641128614f..f986fcbed604 100644 > --- a/arch/arm/boot/dts/aspeed/aspeed-g6.dtsi > +++ b/arch/arm/boot/dts/aspeed/aspeed-g6.dtsi > @@ -29,6 +29,12 @@ aliases { > i2c13 = &i2c13; > i2c14 = &i2c14; > i2c15 = &i2c15; > + i3c0 = &i3c0; > + i3c1 = &i3c1; > + i3c2 = &i3c2; > + i3c3 = &i3c3; > + i3c4 = &i3c4; > + i3c5 = &i3c5; Bus aliases are not properties of SoC DTSI. > serial0 = &uart1; > serial1 = &uart2; > serial2 = &uart3; > @@ -1066,6 +1072,97 @@ i2c15: i2c@800 { > }; > }; > > + bus@1e7a0000 { > + compatible = "simple-bus"; > + #address-cells = <1>; > + #size-cells = <1>; > + ranges = <0 0x1e7a0000 0x8000>; > + > + i3c_global: i3c-global@0 { Node names should be generic. See also an explanation and list of examples (not exhaustive) in DT specification: https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation If you cannot find a name matching your device, please check in kernel sources for similar cases or you can grow the spec (via pull request to DT spec repo). Best regards, Krzysztof