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 241FBC83F1A for ; Wed, 23 Jul 2025 14:43:19 +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=hHWFl4dMeHm4hV615rq3V80Z10qCPpLObYVROYilUEs=; b=SZYjaAr3eUpqTkAxjh2Gr4xw9N jAgd39OCfoqrIxWtPb1Z3PDygG0JR2l13cnBYUkU1kCwHG2om44gEWwspjAYn2WdAMsWyE4q1qjnw mLmxgJKBMZLwYR2PLIHcnGZEjKEEXK4mZ6SgPHVNbUy6NPHSPxjrwgTgyC33NNDWPWPxLF09at3pM UFnuYrNffOx5MxXzvS4A/Cru7fVM7/ne9fUD+ma5BL8TodXndROSDW7R6TljDDjd+Gm1cd/2qybMo CcRigtY12y+mwKSe2/ucKpCXd6i3wTWYOZxu1z2zNrvPjK8WN0JcIDjhWL+apCgpA8hIfhKU/RI1z VQc614CQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1ueagb-00000005Eni-10kJ; Wed, 23 Jul 2025 14:43:13 +0000 Received: from nyc.source.kernel.org ([147.75.193.91]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1ueZox-000000056Er-1eDQ; Wed, 23 Jul 2025 13:47:48 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by nyc.source.kernel.org (Postfix) with ESMTP id AE24BA5284A; Wed, 23 Jul 2025 13:47:46 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 44745C4CEE7; Wed, 23 Jul 2025 13:47:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1753278466; bh=Ot/UdzeQO5DarxCrrxun4QJevXgk61ADtTLiX9hMKWE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ROmbDO1nOW0cPCfvJhA900URnUlCLj90ozJ8F7CM30IeqieCaoF/AL2a/Djfp7dUi H0L0gF0Ic8iw4wkct5db4uyGj5Cr/rNvxcA0KPKbjRuZNZFXBxsQQsVZQdlO2o8DqA YLpURgK3MvDmZAgCFAKPUvcnzk6+7nIFHN+s/tWuAOaYEm5//s3NwQKXlSgiDJKNE8 arA7CThehzYsm69bja20t9VMvSTdbDk3/G8DiyzCh9ezn07QiY9fa8UZtZ0mlUh28/ RbhvGxrwcpQxJvMEQckPzhEF4fQYG67yAAzwtGANP5yJDNpxMSSzJJYFYjpVxCx6B8 8qYrTxRu5rzqg== Date: Wed, 23 Jul 2025 08:47:45 -0500 From: "Rob Herring (Arm)" To: Jonas Karlman Cc: devicetree@vger.kernel.org, Krzysztof Kozlowski , Jiri Slaby , Yao Zi , Heiko Stuebner , Chukun Pan , linux-kernel@vger.kernel.org, Greg Kroah-Hartman , linux-serial@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Conor Dooley , linux-rockchip@lists.infradead.org Subject: Re: [PATCH v2 4/5] dt-bindings: serial: snps-dw-apb-uart: Allow use of a power-domain Message-ID: <175327846490.2145535.759049072094464087.robh@kernel.org> References: <20250723085654.2273324-1-jonas@kwiboo.se> <20250723085654.2273324-5-jonas@kwiboo.se> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250723085654.2273324-5-jonas@kwiboo.se> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250723_064747_501824_5C2C161C X-CRM114-Status: GOOD ( 15.07 ) 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 08:56:46 +0000, Jonas Karlman wrote: > The UART controllers in most Rockchip SoCs are part of power domains > that are always powered on. 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 UART controllers > power domain of Rockchip SoCs. > > On Rockchip RK3528 the UART controllers are spread out among the > described PD_RKVENC, PD_VO and PD_VPU power domains. However, one UART > controller belong to an undescribed always powered on power domain. > > Add support to describe an optional power-domains for the UART > controllers. > > Signed-off-by: Jonas Karlman > --- > v2: New patch > --- > Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml | 3 +++ > 1 file changed, 3 insertions(+) > Reviewed-by: Rob Herring (Arm)