From patchwork Thu Nov 7 14:34:31 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ivaylo Ivanov X-Patchwork-Id: 13866597 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 B3A5ED4336A for ; Thu, 7 Nov 2024 14:38:27 +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: MIME-Version:Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=F75piWahFu3xEvjEvyJygjFoe6Wvi89gUM0KanR4MpI=; b=1AX3vJEXy/W9KNWkGH5fWbpMCt Q8MA4DhS2nJ5IG6v8A9yV9N2eCSA3+nw202cLSV+IPlKOy4nAO8JYXjO/KPTuDHBK4ee1ocCtDmsx FTCPBSbM1tjAY3cjjemtVkkthwm9iklLPBB511XmPxOVMENU0qeBoTWfFkKGfsUddWvRI7of++ZrS fnwipVlykROTe8o6OfHqqwWuLzUkibZGyy8zGbUVuGjEnM6hxa/tD0z4ZGqJuzHrfwwOmKy5NOuo/ zK/tmfynk8G780nPuMpR+1eSweQ2bBm+gVCCOm3l4hFiPIVMvf1VI1ynKDR2mOg53p0nunaVwaMjd mp4GSaow==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1t93eJ-00000007Ip0-10cL; Thu, 07 Nov 2024 14:38:15 +0000 Received: from mail-ed1-x532.google.com ([2a00:1450:4864:20::532]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1t93aq-00000007IDq-0LvL; Thu, 07 Nov 2024 14:34:41 +0000 Received: by mail-ed1-x532.google.com with SMTP id 4fb4d7f45d1cf-5cf04f75e1aso917804a12.1; Thu, 07 Nov 2024 06:34:39 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1730990078; x=1731594878; darn=lists.infradead.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=F75piWahFu3xEvjEvyJygjFoe6Wvi89gUM0KanR4MpI=; b=is3AdlldNsIOuBySgT0PhTP11ON5LF13hALkxAUimreD3JYrrdqPWxX7y5ty0PBnKz DHzBLA6NihGwoaj/b42VMBYiKfPeiMxxRyDXvdp/PJ3uzXbM4w6AJQqqhUe9qJUfX4MI 0YQBgzQceq9vxczsskTVQgDyRremzhL2qJP+2DUQAMslYAvOkmlWETpfxtHd5yL59NJu nB33adwncdCuEqduSMjcGORdruJBEaGOxFUDhnFXWOpXt/i2ij5+xTGu2lBZai0xdQpp bfsxEGWmk7IvDfM2ODXU5BYozAVQt0IkgqVs6gsasIzM6X2hrh2x7sdgnwUhvX6Fcmgf tGeA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1730990078; x=1731594878; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=F75piWahFu3xEvjEvyJygjFoe6Wvi89gUM0KanR4MpI=; b=FCcrV8BCQr6VZ9QKQVBx/GtDYa9okPfAftsUPbDZNMIwB+TKvvmZFkxy1/uQc2lg2F b7lzHTZUPg+3Ayp2BZ9H3g/AAbKY61InM3cTdMkqn6WGy4RZ7lE+0ElCxaZUGGWgh8U8 OyvXlUyRw6e64t6lEcsfTI0WDmqSl+5pAXU4YV4cRyQHYtFZ+pqGC1utHvI0/9KkUU1S cXhUjsBt91mh8JM3tmwxIO9dEWQodSBRuk+0Qf4b1crEmuJa16rzMSziTkOe/HPLtSlM d8OakUy6Lz4a60VL6BAHiKkNh4PahJ68zY83LSgTJ1yZypD0Nip/CsJ9HPQvvHyBuc/q X6Ug== X-Forwarded-Encrypted: i=1; AJvYcCVlEI+Avari5o1gTCNHy92BmQUHba/PX0GXkwc14cIHIBATZsU+FGTCtsw7zZlOuaFT/mm776WZmXyfkU8N@lists.infradead.org, AJvYcCX0vWoCLZ7W9QAdG/SFtZMpkWFfejz2vCJJbpNxISiCst8MpVeHJh5d075YW1BGN9eNHyC+xtankjGMumoZgFnihA==@lists.infradead.org X-Gm-Message-State: AOJu0YzCZSRSQ9fgOfHL5hjDL8fA/Nzh7KLoxyHSIN0pX0IVi3m3dXrO F4vXSCkhEvvHY9LfNXSjC9nC0KouM2tBipeeT9DwhJxxdpMBOMys X-Google-Smtp-Source: AGHT+IGd4G0KS5uDfvxPoW9U4SNRhx7uhG/Wy5chDr4KEWTlLa8sOsBZ4tHb3V9I4IDAQQJgFfqRmg== X-Received: by 2002:a05:6402:50cc:b0:5cb:7780:f1f6 with SMTP id 4fb4d7f45d1cf-5cbbf94ebeamr31344872a12.33.1730990077700; Thu, 07 Nov 2024 06:34:37 -0800 (PST) Received: from ivaylo-T580.. (91-139-201-119.stz.ddns.bulsat.com. [91.139.201.119]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-5cf03bb7fcasm880381a12.52.2024.11.07.06.34.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 07 Nov 2024 06:34:37 -0800 (PST) From: Ivaylo Ivanov To: Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , =?utf-8?q?Andreas_F=C3=A4rber?= , Manivannan Sadhasivam Cc: linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-actions@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v3] dt-bindings: clock: actions,owl-cmu: convert to YAML Date: Thu, 7 Nov 2024 16:34:31 +0200 Message-ID: <20241107143431.728669-1-ivo.ivanov.ivanov1@gmail.com> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241107_063440_149846_A08604E5 X-CRM114-Status: GOOD ( 19.17 ) 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 Convert the Actions Semi Owl CMU bindings to DT schema. Changes during conversion: - Since all Actions Semi Owl SoCs utilize the internal low frequency oscillator as a parent for some clocks, require it. Signed-off-by: Ivaylo Ivanov Reviewed-by: Conor Dooley Reviewed-by: Krzysztof Kozlowski Acked-by: Manivannan Sadhasivam --- v3: list the headers in the description v3: match properties: order with required: v3: add clocks as a required property v3: drop unused example node label v3: use the preferred four-space indentation for dts example v2: drop address and size cells from example --- .../bindings/clock/actions,owl-cmu.txt | 52 ---------------- .../bindings/clock/actions,owl-cmu.yaml | 60 +++++++++++++++++++ MAINTAINERS | 2 +- 3 files changed, 61 insertions(+), 53 deletions(-) delete mode 100644 Documentation/devicetree/bindings/clock/actions,owl-cmu.txt create mode 100644 Documentation/devicetree/bindings/clock/actions,owl-cmu.yaml diff --git a/Documentation/devicetree/bindings/clock/actions,owl-cmu.txt b/Documentation/devicetree/bindings/clock/actions,owl-cmu.txt deleted file mode 100644 index d19885b7c..000000000 --- a/Documentation/devicetree/bindings/clock/actions,owl-cmu.txt +++ /dev/null @@ -1,52 +0,0 @@ -* Actions Semi Owl Clock Management Unit (CMU) - -The Actions Semi Owl Clock Management Unit generates and supplies clock -to various controllers within the SoC. The clock binding described here is -applicable to S900, S700 and S500 SoC's. - -Required Properties: - -- compatible: should be one of the following, - "actions,s900-cmu" - "actions,s700-cmu" - "actions,s500-cmu" -- reg: physical base address of the controller and length of memory mapped - region. -- clocks: Reference to the parent clocks ("hosc", "losc") -- #clock-cells: should be 1. -- #reset-cells: should be 1. - -Each clock is assigned an identifier, and client nodes can use this identifier -to specify the clock which they consume. - -All available clocks are defined as preprocessor macros in corresponding -dt-bindings/clock/actions,s900-cmu.h or actions,s700-cmu.h or -actions,s500-cmu.h header and can be used in device tree sources. - -External clocks: - -The hosc clock used as input for the plls is generated outside the SoC. It is -expected that it is defined using standard clock bindings as "hosc". - -Actions Semi S900 CMU also requires one more clock: - - "losc" - internal low frequency oscillator - -Example: Clock Management Unit node: - - cmu: clock-controller@e0160000 { - compatible = "actions,s900-cmu"; - reg = <0x0 0xe0160000 0x0 0x1000>; - clocks = <&hosc>, <&losc>; - #clock-cells = <1>; - #reset-cells = <1>; - }; - -Example: UART controller node that consumes clock generated by the clock -management unit: - - uart: serial@e012a000 { - compatible = "actions,s900-uart", "actions,owl-uart"; - reg = <0x0 0xe012a000 0x0 0x2000>; - interrupts = ; - clocks = <&cmu CLK_UART5>; - }; diff --git a/Documentation/devicetree/bindings/clock/actions,owl-cmu.yaml b/Documentation/devicetree/bindings/clock/actions,owl-cmu.yaml new file mode 100644 index 000000000..1717099b7 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/actions,owl-cmu.yaml @@ -0,0 +1,60 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/actions,owl-cmu.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Actions Semi Owl Clock Management Unit (CMU) + +maintainers: + - Manivannan Sadhasivam + +description: | + The Actions Semi Owl Clock Management Unit generates and supplies clock + to various controllers within the SoC. + + See also:: + include/dt-bindings/clock/actions,s500-cmu.h + include/dt-bindings/clock/actions,s700-cmu.h + include/dt-bindings/clock/actions,s900-cmu.h + +properties: + compatible: + enum: + - actions,s500-cmu + - actions,s700-cmu + - actions,s900-cmu + + reg: + maxItems: 1 + + clocks: + items: + - description: Host oscillator source + - description: Internal low frequency oscillator source + + "#clock-cells": + const: 1 + + "#reset-cells": + const: 1 + +required: + - compatible + - reg + - clocks + - "#clock-cells" + - "#reset-cells" + +additionalProperties: false + +examples: + - | + clock-controller@e0160000 { + compatible = "actions,s900-cmu"; + reg = <0xe0160000 0x1000>; + clocks = <&hosc>, <&losc>; + #clock-cells = <1>; + #reset-cells = <1>; + }; +... diff --git a/MAINTAINERS b/MAINTAINERS index 420d06d37..652c9822a 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2016,7 +2016,7 @@ L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) L: linux-actions@lists.infradead.org (moderated for non-subscribers) S: Maintained F: Documentation/devicetree/bindings/arm/actions.yaml -F: Documentation/devicetree/bindings/clock/actions,owl-cmu.txt +F: Documentation/devicetree/bindings/clock/actions,owl-cmu.yaml F: Documentation/devicetree/bindings/dma/owl-dma.yaml F: Documentation/devicetree/bindings/i2c/i2c-owl.yaml F: Documentation/devicetree/bindings/interrupt-controller/actions,owl-sirq.yaml