From patchwork Sun Apr 16 17:33:01 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Yang X-Patchwork-Id: 13213049 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6BD81C77B73 for ; Sun, 16 Apr 2023 17:34:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229782AbjDPRew (ORCPT ); Sun, 16 Apr 2023 13:34:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45588 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229933AbjDPRer (ORCPT ); Sun, 16 Apr 2023 13:34:47 -0400 Received: from mail-pf1-x434.google.com (mail-pf1-x434.google.com [IPv6:2607:f8b0:4864:20::434]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DEDA14495; Sun, 16 Apr 2023 10:34:31 -0700 (PDT) Received: by mail-pf1-x434.google.com with SMTP id d2e1a72fcca58-63b73203e0aso2413216b3a.1; Sun, 16 Apr 2023 10:34:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1681666470; x=1684258470; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=/0z1wF+5X+yAytXwzaAl5mkeaCddDJf5iUHO9ZaWYxs=; b=kbtSorJPSCjRTWhNRCYKYEFwYmkDV9cdXhE2CLO3Ta8IyyKNITGaY8t7RLY/MIrrRd r9AuiAZvcUFANjOBHV4z2sKi0H8lkKPLOHZn+gZOH3KGF03b1Df3OPMqRltwvbRZ//So SzYk5An/1ZoAQkZUtxks4d4GtXKVza9dVOuaKAlp8LEfuGFDw0eBC+w31hXzI17G9Z9C /MytYoBrGSlz5WnmrBT0EU8QqRrCnaGebQ/QVIYpRK/22cowOyQS3WUMCsEVll42FRO6 xBr+nMgGQakgM3iIMrdrK+jh8U2LLz3lOdEkqcTxtWwWV+e5ZzHRLP9LJwHQ3MoiACLe ew3Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1681666470; x=1684258470; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=/0z1wF+5X+yAytXwzaAl5mkeaCddDJf5iUHO9ZaWYxs=; b=NO6jFxOnADFuCNJ1hfyfK4eN90be5ETds4L+2OcNjKBgt43MALo05xT4AquWvDvZSI aMD+ks3NmpibsvOGRfBxU6l+uiUvQhagGVzITjeIbfkV9y9n/TgUW93CYrwhpHfYeoyL 4/e7swTV216rUzop9uTSK6miKOMwXqigPbQO7hoHixloDgQ3i2010DXh/FNVeJQsdAj1 zWSNCQKyg4DVu2bnWY8yo9tV+KaZASChgDueplFC/7+pSHLCv74BjBytRb9Aoub50cFw CRJSJLxq5oJhlsKgC8ZlH9J5xmG+rHfvingRsVUvkAU5DzGUD8H9zvMEcKViH2XVC/Dh 1hag== X-Gm-Message-State: AAQBX9equrLkDoNdkPrhuGzxYSt8nWtf/OGHt5MsetGthJOHU06fXTm7 7zKjwoetX+c+tKXbMUDK8alwVx3QZ2dna1xZSyk= X-Google-Smtp-Source: AKy350Y081WFjCQ/S98tKasSk9mCw09G+bfSokw1uESB5OjwcBTZ6OMPc9RSA0iJELGMTBYD5VJeVw== X-Received: by 2002:aa7:8383:0:b0:635:d9e1:8e1e with SMTP id u3-20020aa78383000000b00635d9e18e1emr17926460pfm.11.1681666470617; Sun, 16 Apr 2023 10:34:30 -0700 (PDT) Received: from d.home.yangfl.dn42 ([104.28.245.200]) by smtp.gmail.com with ESMTPSA id j22-20020a62b616000000b0062d90f36d16sm6110973pff.88.2023.04.16.10.34.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 16 Apr 2023 10:34:30 -0700 (PDT) From: David Yang To: linux-clk@vger.kernel.org Cc: devicetree@vger.kernel.org, David Yang , Michael Turquette , Stephen Boyd , Philipp Zabel , linux-kernel@vger.kernel.org, Rob Herring , Krzysztof Kozlowski , gate-clock@cc.3 Subject: [PATCH v2 3/4] dt-bindings: clock: Add gate-clock Date: Mon, 17 Apr 2023 01:33:01 +0800 Message-Id: <20230416173302.1185683-4-mmyangfl@gmail.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230416173302.1185683-1-mmyangfl@gmail.com> References: <20230416173302.1185683-1-mmyangfl@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org Add DT bindings documentation for gate-clock, which can gate its output. Signed-off-by: David Yang --- .../devicetree/bindings/clock/gate-clock.yaml | 58 +++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/gate-clock.yaml diff --git a/Documentation/devicetree/bindings/clock/gate-clock.yaml b/Documentation/devicetree/bindings/clock/gate-clock.yaml new file mode 100644 index 000000000000..3c993cb7e9bb --- /dev/null +++ b/Documentation/devicetree/bindings/clock/gate-clock.yaml @@ -0,0 +1,58 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/gate-clock.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Clock which can gate its output + +maintainers: + - David Yang + +description: | + Clock which can gate its output. + + The registers map is retrieved from the parental dt-node. So the clock node + should be represented as a sub-node of a "clock-controller" node. + + See also: linux/clk-provider.h + +properties: + compatible: + const: gate-clock + + '#clock-cells': + const: 0 + + clocks: + maxItems: 1 + description: Parent clock. + + offset: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Offset in the register map for the control register (in bytes). + + bits: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Bit index which controls the output. + + clock-output-names: + maxItems: 1 + +required: + - compatible + - '#clock-cells' + - offset + - bits + +additionalProperties: false + +examples: + - | + gate-clock@cc.3 { + compatible = "gate-clock"; + #clock-cells = <0>; + offset = <0xcc>; + bits = <3>; + clock-output-names = "my-clk"; + };