From patchwork Sat Oct 29 14:16:24 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manivannan Sadhasivam X-Patchwork-Id: 619969 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 75832FA3744 for ; Sat, 29 Oct 2022 14:17:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230004AbiJ2ORz (ORCPT ); Sat, 29 Oct 2022 10:17:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38826 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229932AbiJ2OR2 (ORCPT ); Sat, 29 Oct 2022 10:17:28 -0400 Received: from mail-pj1-x1030.google.com (mail-pj1-x1030.google.com [IPv6:2607:f8b0:4864:20::1030]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 720D95F9AE for ; Sat, 29 Oct 2022 07:17:16 -0700 (PDT) Received: by mail-pj1-x1030.google.com with SMTP id m6-20020a17090a5a4600b00212f8dffec9so6861227pji.0 for ; Sat, 29 Oct 2022 07:17:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; 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=EXACZbDW7apLefN1TlPN3pFLWjPl4KvU3572LcUxyOo=; b=WQmci7+CXSW6GQ3YZTtOI6wcAHK8ZOSTP+1U4l0Ok+7yrr82esT3H1HiUJZrjVx2yy 9nfrnV0qL1ebiTDJRX886/fIPM1lDsO52NsEboppfir0n416j8YuHqNfz7x90T1u8Tef NoWJmWgAz6Toqlu7Dr2HJP+GB7m3Wq9Qvwwc+PpzsWC5PN4RK0FRHQm1IVsIYQxZrHzQ 4Gzw9pTYj+VLHFyuQ9SXaR1OEWXzKD8o7gubW4BiRbLSB06I4aO2jRYVrEAYcMY20IF6 lMoh2TTik1Qv8sTqF1qy6MIGwI7/OeyOzcm0x/njrF+JDVhng5cfwjlNpcdfrZGZBQzr 855g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=EXACZbDW7apLefN1TlPN3pFLWjPl4KvU3572LcUxyOo=; b=YoMQT6zEDUaVwUPMfkd/BCVzyQmckZtVHHHYT6bmrvBc7FH5K/um+EzYCw7FzGmwLQ KhYoJiZP49gGEWFnZZZujh1PU2Kc5d/PgZqakUWuZUyo9lbqqHuSFiLA/ZvrpoihrG4k d5w94bRUcBMpqy3KIto81Cp0/hTQ0WHBM0HOFh2+LcEcrgOEvOfj0foclW6oTYEKqLgg Ga3/j6K5/Hm8CatjfaNEhg60WuATHJ+soIVQrsSiadgwPcuhq+v5sfMUgkYFV8Fzcy/k 7Bbm/AM6HTk4kE09PFYd/0qZJftu9LR3zJZIm84U2dD9y9+QhZgxm0AwbEkbDk0dfEc+ aUVw== X-Gm-Message-State: ACrzQf11t3pNgQQpimobDwS/jU1YnJaWFKAzzKyfVlhwKLQdw/V+24ns uoYh36SZTb5wKJbunS1kBqCK X-Google-Smtp-Source: AMsMyM50JY5Z6mFdet8Gu9aa/pUSRGPLlALcaZIKANvKk5YfmmdIGuO+UMd43hf17ma1Hx7OMWc2sQ== X-Received: by 2002:a17:902:aa84:b0:185:480a:85b6 with SMTP id d4-20020a170902aa8400b00185480a85b6mr4571563plr.170.1667053035929; Sat, 29 Oct 2022 07:17:15 -0700 (PDT) Received: from localhost.localdomain ([117.193.208.18]) by smtp.gmail.com with ESMTPSA id u4-20020a170902e5c400b001866049ddb1sm1370157plf.161.2022.10.29.07.17.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 29 Oct 2022 07:17:15 -0700 (PDT) From: Manivannan Sadhasivam To: martin.petersen@oracle.com, jejb@linux.ibm.com, andersson@kernel.org, vkoul@kernel.org, krzysztof.kozlowski+dt@linaro.org Cc: konrad.dybcio@somainline.org, robh+dt@kernel.org, quic_cang@quicinc.com, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org, linux-scsi@vger.kernel.org, Manivannan Sadhasivam Subject: [PATCH 06/15] dt-bindings: ufs: Add "max-gear" property for UFS device Date: Sat, 29 Oct 2022 19:46:24 +0530 Message-Id: <20221029141633.295650-7-manivannan.sadhasivam@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221029141633.295650-1-manivannan.sadhasivam@linaro.org> References: <20221029141633.295650-1-manivannan.sadhasivam@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org The maximum gear supported by the UFS device can be specified using the "max-gear" property. This allows the UFS controller to configure the TX/RX gear before starting communication with the UFS device. Signed-off-by: Manivannan Sadhasivam Reviewed-by: Rob Herring --- Documentation/devicetree/bindings/ufs/ufs-common.yaml | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/ufs/ufs-common.yaml b/Documentation/devicetree/bindings/ufs/ufs-common.yaml index 47a4e9e1a775..591a9bc3b99c 100644 --- a/Documentation/devicetree/bindings/ufs/ufs-common.yaml +++ b/Documentation/devicetree/bindings/ufs/ufs-common.yaml @@ -73,6 +73,11 @@ properties: description: Specifies max. load that can be drawn from VCCQ2 supply. + max-gear: + description: + Specifies max. gear the UFS device supports. + enum: [1, 2, 3, 4, 5] + dependencies: freq-table-hz: [ 'clocks' ]