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 35D2726ADD; Mon, 17 Mar 2025 07:28:53 +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=1742196535; cv=none; b=eFdWb6c/aDnln1ZMaNgszxyH+a2pAb/2uLunsYFBEtmd+SLq81B6xiPIOJ3cBXvl7W+WwUXw8R01FebmSiDibPG9542i0g8R40DcMGDSyYBeZGh0g4rG+HK3eYWNiNJO0M2LhzbeKmjvQb23AjejEdJLUPBkzlWfMo7COLZpfh0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742196535; c=relaxed/simple; bh=KX8lPefXh51osUSwCR8m3OipolqZ4ExuJ1TF8HKpVZQ=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=mabA6ZZmziES/VRWG5Qx7Uccrv1rR89Hme34ElX9qJuo/tH2yOwliBdT2c6/IsRpvPlL1x2wuw0klp/i7i7EcHBluEiCB9TnWLhwrkCc4wLbzFpHK/471SS67c5V1hW6wSMhrcMX4Ke7vyT68Kl+ypiiTCa2OApYXWYh5xrcOSk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=dYhCFNXh; 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="dYhCFNXh" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E38DBC4CEEC; Mon, 17 Mar 2025 07:28:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1742196533; bh=KX8lPefXh51osUSwCR8m3OipolqZ4ExuJ1TF8HKpVZQ=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=dYhCFNXhhkYaL60Kpf9UYUo4iRFxjKZqjwD9o5Pn33aXjjuLrzXGLz9szuGusVXWe VVSYy2jUAvk+UsxxXiCcrTtfHGyqZRDKOP3wnDQLQQaKxKTdT4UgrxFchW46huHO05 fk5h9JW/bXjzJ9P5rnc/frChG3LFgNtwmog5UWaDzMBTpcY6iMeuV3Ub/LleAE+3Ho yE1Wk72qaDcTm9ebPLmvYuHClloyHylp3HZtnvGdTuOaVmwEoC4Z9XolA8V2rt+Gq6 LXEsXcrmCW4rXPmI+cBYx8B8XsJHll7QwQeJV/weeo2ofjLE17iyRJ5QpMf9PqI3on MTSXjlm1p2Qcw== Message-ID: <4cec908c-1412-4e18-959d-b71c9ec21eb4@kernel.org> Date: Mon, 17 Mar 2025 08:28:45 +0100 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 2/3] arm64: dts: amlogic: Add A4 Reset Controller To: Kelvin Zhang Cc: Philipp Zabel , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Neil Armstrong , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org, Zelong Dong References: <20250313-a4-a5-reset-v4-0-8076f684d6cf@amlogic.com> <20250313-a4-a5-reset-v4-2-8076f684d6cf@amlogic.com> <20250314-tested-husky-of-force-1ccdca@krzk-bin> <3dceafbf-49d4-4084-bfae-74384e187941@amlogic.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 17/03/2025 03:49, Kelvin Zhang wrote: >> >> Why do you have on the bus devices with bus addressing and without it? >> What sort of bus is it? > > Are you referring to the 'apb'? > If so, the 'apb' bus is defined in > arch/arm64/boot/dts/amlogic/amlogic-a4-common.dtsi. > > apb: bus@fe000000 { > compatible = "simple-bus"; > reg = <0x0 0xfe000000 0x0 0x480000>; > #address-cells = <2>; > #size-cells = <2>; > ranges = <0x0 0x0 0x0 0xfe000000 0x0 0x480000>; > >> >>> periphs_pinctrl: pinctrl { Then what the heck is this? >>> compatible = "amlogic,pinctrl-a4"; >>> #address-cells = <2>; >> >> Best regards, >> Krzysztof >> > Best regards, Krzysztof