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 832C3C83F17 for ; Wed, 23 Jul 2025 14:38:13 +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=rcJEOhbvCHCPywLJMxvhzKCsXAEyQWrsIolLVRdMOb8=; b=e4tgKHbsTFW7bdslsoqS+i3k8z MV7sztAM8GIlcFgES/8Zacba6Lc0HrTOHHyGYNDALCiDIPHmGyOjL4eolLsIwTBDFsMXpjt1j7aAF iJS+dy+OhL0kj6LdJejOxrI6q0EYMi67d6aLR0inmmL/0sQC8k9qjTxbinosRWaH5JI2HcHvrm/j2 vNHuIX9rc9O0/wrhxTGr7vCLsSS1FKdhb5Vdrds2eQepQkNKJSO5ZsH3eBkSaEbK6GuPH+wkbTQzo 3PyWGidU1tTkVe4eG4Ggn2Ai0g0QdR/5lLDz6gquBGwlQAFMF7pvg2rKbleiSduzDzlZ0sTVyMN5z iJn0iCgw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1ueabf-00000005DyM-2hzb; Wed, 23 Jul 2025 14:38:07 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1ueZoU-00000005694-1eWj; Wed, 23 Jul 2025 13:47:19 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id CCB745C62DD; Wed, 23 Jul 2025 13:47:17 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5F62EC4CEE7; Wed, 23 Jul 2025 13:47:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1753278437; bh=mDf9hGRa+hZOj+1JrXcwZtqq2caWcW+UkVVFTPkikUE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=q0tkOPL1ASB54sO5jqP7x9+WdFZC59SO7sY4RYhnU5AOW06Ba11S8nQQgcq/qvy4K tjCVdaZHfYr/pr6eLE8g4wP20uUvKGTwjop/mcO/8AXyGkuJPZZQr9czN5VblY+3XI pVPrVn27a7B+PCMPPmV1dDk2XopBsMfwzV6lyjQInjWCLgjDbC+PiQA5oG9oyqnKXy jV1U2nW78n2WeNNLtScDG+Qos/tnaEFoYK4TAZY/mmmGmmHu9kf6KYQRIu+mIRIpsM zfmU5Bvr/rW1PGGADs+SVjUydWW3De9gkmOZNLGZBqcqkFabZXtbFv64FMAOihOOlv 10o65FCTGsWng== Date: Wed, 23 Jul 2025 08:47:16 -0500 From: "Rob Herring (Arm)" To: Jonas Karlman Cc: linux-arm-kernel@lists.infradead.org, Yao Zi , Conor Dooley , linux-kernel@vger.kernel.org, Chukun Pan , Krzysztof Kozlowski , devicetree@vger.kernel.org, linux-i2c@vger.kernel.org, Heiko Stuebner , linux-rockchip@lists.infradead.org, Andi Shyti Subject: Re: [PATCH v2 2/5] dt-bindings: i2c: i2c-rk3x: Allow use of a power-domain Message-ID: <175327843600.2144777.12217048091920354736.robh@kernel.org> References: <20250723085654.2273324-1-jonas@kwiboo.se> <20250723085654.2273324-3-jonas@kwiboo.se> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250723085654.2273324-3-jonas@kwiboo.se> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250723_064718_472674_F93E457A X-CRM114-Status: GOOD ( 14.11 ) 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, 23 Jul 2025 08:56:44 +0000, Jonas Karlman wrote: > The I2C controllers in most Rockchip SoCs are part of power domains that > are always powered on, i.e. PD_BUS or PD_PMU. These always powered > on power domains have typically not been described in the device tree. > > Because these power domains have been left out of the device tree there > has not been any real need to properly describe the I2C controllers > power domain. > > On RK3528 the I2C controllers are spread out among the described > PD_RKVENC, PD_VO and PD_VPU power domains. However, one I2C controller > belong to an undescribed always powered on power domain. > > Add support to describe an optional power-domains for the I2C > controllers in Rockchip SoCs. > > Signed-off-by: Jonas Karlman > --- > v2: Update commit message > --- > Documentation/devicetree/bindings/i2c/i2c-rk3x.yaml | 3 +++ > 1 file changed, 3 insertions(+) > Reviewed-by: Rob Herring (Arm)