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 CF0FB2E762A; Wed, 23 Jul 2025 13:47:46 +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=1753278467; cv=none; b=Wt8jQiVN36TdOxZ9rXFJsbhdczW230M/nXVcBlMkQJzauq0qE1J4GnSwvMWFeGY7CqPVoO82sYsmuEkSwpNOLuzaA1dpnfzt/6BtfZlMeXtKSbIe9MyceA4kbauxnD6gWesJKrSiKezd2BvY47tMP/KNa0PbjzmtLRCRv31OfsI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753278467; c=relaxed/simple; bh=Ot/UdzeQO5DarxCrrxun4QJevXgk61ADtTLiX9hMKWE=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=bPUU8jTgiS3e5eSQ68yrTWh4keOtQIdCQU+Zjxf1DYYTaMB9OSI/JmmR/rLwaf9EiuxmlgYepywW/fMSR5rxpyIoGZKKfSVxmgSsVoR7LJitGlTKJDPX7S2KnRWMk6XaitQHittM8I2snOvI3i3nHuCNFoUXwUkSyYdeyYRCnJ0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ROmbDO1n; 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="ROmbDO1n" 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> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250723085654.2273324-5-jonas@kwiboo.se> 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)