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 C7B2BE7719C for ; Fri, 10 Jan 2025 07:44:19 +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:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=NbjjRkRWokCOvRa380wZBaj6vLZjXMaPmn836/HzFPQ=; b=1QoHwv8T8ajr8Hn/cxRaTJ6D4v QOLT67qXfUO4hF35mMABqWDdGhufIeg+DL1YTS/9EzdOugp/H2rQhVrXoeEXsZW3YYacKbzV186Hu HZNh1fq3f857k578flso5XQfXePshi1VGzfFcsXoaNaDcryubOLJ1pmjm0rJbYW60dkCXzWZ7O3P+ 6gl0dTJKLY7tuYlUafYqYgf5bhm1Ajhn13IhPnamyzZwcX+wodNeoUkJkNh62koGLkJEPhPnLf65y C/Rfsfvd3Zopd5YlA+5A7chGaD+2b+3xISkU2rbHRsUVPRp8jltv3vdp3uB53QmjSZ2HFEa/UkwyV bPlD/Xlw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tW9gb-0000000EPno-0iBT; Fri, 10 Jan 2025 07:44:05 +0000 Received: from nyc.source.kernel.org ([2604:1380:45d1:ec00::3]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tW9fM-0000000EPWi-2QK5; Fri, 10 Jan 2025 07:42:49 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by nyc.source.kernel.org (Postfix) with ESMTP id 2AAE6A41A19; Fri, 10 Jan 2025 07:40:59 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 57A5EC4CED6; Fri, 10 Jan 2025 07:42:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1736494967; bh=XmYgjpNvIDSw8Yc0EFTFMPiabKK7MhC3gK3twFF80Ac=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=nRQ5DgATufb9Jd8uFEtMIRU41Hpb/TPoJIf+hkKZ/nRNW/luySUcdtBZ4czDpb0KW sX8eyy6em8haxZbjBvtlJsdbnM0OFxm8VWAEBjRXQgp8jN4IvLP/IiAiDZj9v81cj7 zLWIJMLYnZRlbPhSjkcA8NtxNAB+LuqVwBHL9ExbyKHQWBSzdcMyVYa/yr8Y+B/0it ITSd7yFHyuVejzo+gBhsw8LCtn91JzH04IaqvXICgJ9SQJAtV0OMi1I3R11BJU6sst GtYqSG0YmQF6hEPz9GSVT0wV5su/6lAp6CdbmN9dSJZl04/q00XVfTv0+DRrZH4FHN qxfkAF9QAicxw== Message-ID: <9caddd6a-fe1b-468a-ba1e-0513e46404dc@kernel.org> Date: Fri, 10 Jan 2025 08:42:40 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 1/5] dt-bindings: clock: Document clock and reset unit of RK3528 To: Yao Zi Cc: Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner , Philipp Zabel , linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org References: <20250108114605.1960-2-ziyao@disroot.org> <20250108114605.1960-3-ziyao@disroot.org> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250109_234248_747602_810837D5 X-CRM114-Status: GOOD ( 18.42 ) 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 09/01/2025 10:16, Yao Zi wrote: > On Thu, Jan 09, 2025 at 09:59:25AM +0100, Krzysztof Kozlowski wrote: >> On Wed, Jan 08, 2025 at 11:46:02AM +0000, Yao Zi wrote: >>> There are two types of clocks in RK3528 SoC, CRU-managed and >>> SCMI-managed. Independent IDs are assigned to them. >>> >>> For the reset part, differing from previous Rockchip SoCs and >>> downstream bindings which embeds register offsets into the IDs, gapless >>> numbers starting from zero are used. >>> >>> Signed-off-by: Yao Zi >>> --- >>> .../bindings/clock/rockchip,rk3528-cru.yaml | 67 +++ >>> .../dt-bindings/clock/rockchip,rk3528-cru.h | 453 ++++++++++++++++++ >>> .../dt-bindings/reset/rockchip,rk3528-cru.h | 241 ++++++++++ >>> 3 files changed, 761 insertions(+) >>> create mode 100644 Documentation/devicetree/bindings/clock/rockchip,rk3528-cru.yaml >>> create mode 100644 include/dt-bindings/clock/rockchip,rk3528-cru.h >>> create mode 100644 include/dt-bindings/reset/rockchip,rk3528-cru.h >>> >>> diff --git a/Documentation/devicetree/bindings/clock/rockchip,rk3528-cru.yaml b/Documentation/devicetree/bindings/clock/rockchip,rk3528-cru.yaml >>> new file mode 100644 >>> index 000000000000..19dbda858172 >>> --- /dev/null >>> +++ b/Documentation/devicetree/bindings/clock/rockchip,rk3528-cru.yaml >>> @@ -0,0 +1,67 @@ >>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) >>> +%YAML 1.2 >>> +--- >>> +$id: http://devicetree.org/schemas/clock/rockchip,rk3528-cru.yaml# >>> +$schema: http://devicetree.org/meta-schemas/core.yaml# >>> + >>> +title: Rockchip RK3528 Clock and Reset Controller >>> + >>> +maintainers: >>> + - Yao Zi >>> + >>> +description: | >>> + The RK3528 clock controller generates the clock and also implements a reset >>> + controller for SoC peripherals. For example, it provides SCLK_UART0 and >>> + PCLK_UART0 as well as SRST_P_UART0 and SRST_S_UART0 for the first UART >>> + module. >>> + Each clock is assigned an identifier, consumer nodes can use it to specify >>> + the clock. All available clock and reset IDs are defined in dt-binding >>> + headers. >>> + >>> +properties: >>> + compatible: >>> + const: rockchip,rk3528-cru >>> + >>> + reg: >>> + maxItems: 1 >>> + >>> + assigned-clocks: true >>> + >>> + assigned-clock-rates: true >> >> Drop both, totally redundant. > > Okay, will fix in next version. > >>> + >>> + clocks: >>> + items: >>> + - description: External 24MHz oscillator clock >>> + - description: 50MHz clock generated by PHY module >>> + >>> + clock-names: >>> + items: >>> + - const: xin24m >>> + - const: gmac0 >> >> gmac >> (unless you have gmac1 here as well but then please add it now) > > RK3528 comes with two onchip gmacs. This input clock is only used for > the first one and I think keeping the number would give the reader an > extra hint. What do you think about it? You don't get the point. What clock is from this module perspective? gmac. Best regards, Krzysztof