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 0E2EF17C3; Tue, 7 Nov 2023 07:28:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="OVHUiGbY" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5DA25C433C7; Tue, 7 Nov 2023 07:28:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1699342086; bh=Oeo7abSq3CtzoDpqum8ZKNA5cr+aGoQC0Mlx1lKoCrE=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=OVHUiGbYydy/W6SH8NuD8f8xIxz2hEb8HNOUZ4gO5g3ro6aCR+ckIcchojCcGC1Ko FjNf4uVyZBkCA4c2OAM5N6Ng2GgjrNmNn8XfZzBZA/nHC/aWsntzym2o1oUfqSIi3J j+pMU2XgNX+35D5caua9BGqwoy6ZDgbc3Uv/m+PfwRd/DocmrjZVd3oOtSG8ktZURA dhxjP9nAnphvA7YtIgCgrlh/Z2Bh5hxqY5QOLCSL9rtz+zYuVlmGx6FOWahbWK8Sb4 n8+lt3ltA32im5to08Dj3F7tXiKDLr7pdFEqSzDt/KdNyRKd9sEU7fo8TjOzKDrweE u6GOfJVSt1klw== Message-ID: Date: Tue, 7 Nov 2023 08:28:03 +0100 Precedence: bulk X-Mailing-List: linux-clk@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 4/4] arm64: dts: st: add rcc support in stm32mp251 Content-Language: en-US To: gabriel.fernandez@foss.st.com, Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Maxime Coquelin , Alexandre Torgue , Philipp Zabel Cc: linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org References: <20231106141845.102648-1-gabriel.fernandez@foss.st.com> <20231106141845.102648-5-gabriel.fernandez@foss.st.com> From: Krzysztof Kozlowski Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 06/11/2023 15:18, gabriel.fernandez@foss.st.com wrote: > From: Gabriel Fernandez > > Add RCC support used for to manage clocks and resets on stm32mp251. > > Signed-off-by: Gabriel Fernandez > --- > arch/arm64/boot/dts/st/stm32mp251.dtsi | 59 ++++++++++++++------------ > 1 file changed, 31 insertions(+), 28 deletions(-) > > diff --git a/arch/arm64/boot/dts/st/stm32mp251.dtsi b/arch/arm64/boot/dts/st/stm32mp251.dtsi > index 124403f5f1f4..698d0f68b98d 100644 > --- a/arch/arm64/boot/dts/st/stm32mp251.dtsi > +++ b/arch/arm64/boot/dts/st/stm32mp251.dtsi > @@ -3,7 +3,9 @@ > * Copyright (C) STMicroelectronics 2023 - All Rights Reserved > * Author: Alexandre Torgue for STMicroelectronics. > */ > +#include > #include > +#include > > / { > #address-cells = <2>; > @@ -35,22 +37,10 @@ arm_wdt: watchdog { > }; > > clocks { > - ck_flexgen_08: ck-flexgen-08 { > + clk_rcbsec: clk-rcbsec { > #clock-cells = <0>; > compatible = "fixed-clock"; > - clock-frequency = <100000000>; > - }; > - > - ck_flexgen_51: ck-flexgen-51 { > - #clock-cells = <0>; > - compatible = "fixed-clock"; > - clock-frequency = <200000000>; > - }; > - > - ck_icn_ls_mcu: ck-icn-ls-mcu { > - #clock-cells = <0>; > - compatible = "fixed-clock"; > - clock-frequency = <200000000>; > + clock-frequency = <64000000>; > }; > }; > > @@ -122,7 +112,7 @@ usart2: serial@400e0000 { > compatible = "st,stm32h7-uart"; > reg = <0x400e0000 0x400>; > interrupts = ; > - clocks = <&ck_flexgen_08>; > + clocks = <&rcc CK_KER_USART2>; > status = "disabled"; > }; > > @@ -131,7 +121,7 @@ sdmmc1: mmc@48220000 { > arm,primecell-periphid = <0x00353180>; > reg = <0x48220000 0x400>, <0x44230400 0x8>; > interrupts = ; > - clocks = <&ck_flexgen_51>; > + clocks = <&rcc CK_KER_SDMMC1 >; > clock-names = "apb_pclk"; > cap-sd-highspeed; > cap-mmc-highspeed; > @@ -140,6 +130,19 @@ sdmmc1: mmc@48220000 { > }; > }; > > + rcc: rcc@44200000 { 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 Best regards, Krzysztof