From patchwork Mon May 8 13:59:30 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stanislav Jakubek X-Patchwork-Id: 680008 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 C7305C77B73 for ; Mon, 8 May 2023 13:59:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234362AbjEHN7g (ORCPT ); Mon, 8 May 2023 09:59:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40986 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234334AbjEHN7f (ORCPT ); Mon, 8 May 2023 09:59:35 -0400 Received: from mail-wr1-x434.google.com (mail-wr1-x434.google.com [IPv6:2a00:1450:4864:20::434]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A4B3033D7C; Mon, 8 May 2023 06:59:33 -0700 (PDT) Received: by mail-wr1-x434.google.com with SMTP id ffacd0b85a97d-3062db220a3so2911563f8f.0; Mon, 08 May 2023 06:59:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1683554372; x=1686146372; h=content-disposition:mime-version:message-id:subject:cc:to:from:date :from:to:cc:subject:date:message-id:reply-to; bh=Ap+dt6+Pa1m8Kxx9UxC2AsvPRG1XDSvqlyGha2FT/kI=; b=HBuGbMkxGh/AbYCcbKiKQOztBhc+jLjY4LmfwPkYqZF+aJAk0/rRV/I5HF+x8wmvkw y1tpWse9mxSw/yaL8bKnCf1bxTnQ9mTxs9Os+54l0JY7RspToV6/8rCL9YWY0m/y6ymd SNYcT/IamI9zYp5Io53U3SQtl+DV17pjoVC/mazTXlMG8ATklhK4glP+I+QOFPkljBPQ 89KxfBaJEyc7VtvcNgn4LY6sjVWA2w4LN0c7aSeaNIBKYsiEdN7FPZqMzxdvt6UNq6Xn XAeD0eZYoFe0cN3TFN+p4J1AOEUje4Nz7De6aDoTo9j5w7cwetdT+wC1l7EcYmy9n5xy 9+7g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1683554372; x=1686146372; h=content-disposition:mime-version:message-id:subject:cc:to:from:date :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=Ap+dt6+Pa1m8Kxx9UxC2AsvPRG1XDSvqlyGha2FT/kI=; b=J+Yh7skfy0ZzAWKAQ93hFth2tofcyIXZEPaum3fpLjXpRmQhCggo7ol+9tLv6U3sUG yugwxtG2pDvjkfa8MxDQBDHmuRA6oa7uq7GZVZO5tjNSbN2m15X+tgngWUZf/22mRjwj sWShcvKtoPmqKs8aMvKR1dwyx4N0JkPIEUX4UBKZ1ILbQRM7S6LPmqnI9+SGcEpvR4Iy CVSqjvI5M7OJ4oOmQpLBO8k+f8OBLSlDUqn8XDQ17s33BpHQVRgPXlvlSdOotwNTeeDw mvUXSuNZAy4ZlL8Z0ZFM5gxTz25863QO4SOCHMS0UWiP0PrHUWB+qmaUfy/TlV3Yqojd tRSw== X-Gm-Message-State: AC+VfDyYulJ7m0xhuADvWcNPBKHku8K66AdCtXnyhF2rWVDudUJGIioQ sDHwj7RrdYo/FliNEamHZiI= X-Google-Smtp-Source: ACHHUZ6aaX6s2lMros0F0QW4f4lUbYEPWGvBIUfJNplWFnviof2cVriAx5HdaFz/JnDPXdi6aEUciQ== X-Received: by 2002:adf:ec8a:0:b0:2f6:c5bd:ba13 with SMTP id z10-20020adfec8a000000b002f6c5bdba13mr7293296wrn.42.1683554372138; Mon, 08 May 2023 06:59:32 -0700 (PDT) Received: from standask-GA-A55M-S2HP ([188.123.113.247]) by smtp.gmail.com with ESMTPSA id l11-20020adfe58b000000b002f22c44e974sm11407238wrm.102.2023.05.08.06.59.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 08 May 2023 06:59:31 -0700 (PDT) Date: Mon, 8 May 2023 15:59:30 +0200 From: Stanislav Jakubek To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Florian Fainelli Cc: bcm-kernel-feedback-list@broadcom.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] dt-bindings: soc: bcm: add missing dt-binding document for bcm23550-cdc Message-ID: <20230508135930.GA27583@standask-GA-A55M-S2HP> MIME-Version: 1.0 Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Broadcom BCM23550 has a Cluster Dormant Control block that keeps the CPU in idle state. A command needs to be sent to this block to bring the CPU into running state. This has been in use in mainline Linux since ~2016, but was never documented. Add a dt-binding document for it. Signed-off-by: Stanislav Jakubek --- .../bindings/soc/bcm/brcm,bcm23550-cdc.yaml | 35 +++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/bcm/brcm,bcm23550-cdc.yaml diff --git a/Documentation/devicetree/bindings/soc/bcm/brcm,bcm23550-cdc.yaml b/Documentation/devicetree/bindings/soc/bcm/brcm,bcm23550-cdc.yaml new file mode 100644 index 000000000000..1a952f569803 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/bcm/brcm,bcm23550-cdc.yaml @@ -0,0 +1,35 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/bcm/brcm,bcm23550-cdc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Broadcom BCM23550 Cluster Dormant Control + +description: + The Cluster Dormant Control block keeps the CPU in idle state. A command + needs to be sent to this block to bring the CPU into running state. + +maintainers: + - Florian Fainelli + +properties: + compatible: + const: brcm,bcm23550-cdc + + reg: + maxItems: 1 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + cdc@3fe0e000 { + compatible = "brcm,bcm23550-cdc"; + reg = <0x3fe0e000 0x78>; + }; +...