From patchwork Mon Oct 31 18:02:08 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manivannan Sadhasivam X-Patchwork-Id: 622028 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 C77DBFA3746 for ; Mon, 31 Oct 2022 18:03:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230116AbiJaSDz (ORCPT ); Mon, 31 Oct 2022 14:03:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42968 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230172AbiJaSD3 (ORCPT ); Mon, 31 Oct 2022 14:03:29 -0400 Received: from mail-pg1-x52c.google.com (mail-pg1-x52c.google.com [IPv6:2607:f8b0:4864:20::52c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BCAE9F5A0 for ; Mon, 31 Oct 2022 11:03:23 -0700 (PDT) Received: by mail-pg1-x52c.google.com with SMTP id 20so11366540pgc.5 for ; Mon, 31 Oct 2022 11:03:23 -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=i6bI2G8GIEEo0BDFgcfeWu7FnSciJmuXXXHS3QIkOfs=; b=GYLJ5dP9svMb4OtR4ddpG8ce6S4fq7m1mFNIV2Ttl46seLZqlFPwVeur7n5+ITO7Zg KgqlWPxuwvQ5CGGszgRz4BEOR8YmmcO2+e7aYai4ULMxdjndxV/F7WDcAjmii+2u03ng Ksg3Yx0yRUBnaBsk08DyNOKRxkexeJV3QuIjNJsmvBK64fideKnrc2959ouxzz4mNSy0 E1dsNDvdjTCV8U/JJFK1NtBSppUIjz8Q/zrg3Zw258BkkO2t0IWP1x3tFuYnaQ+ZBDU9 TV0YDyYvi/rH8MslglzzF+0gNh3JSFCa/h2ffTxJUDH+GkAgV+4KJ7lcmpu7K1Q9jKCu yF+A== 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=i6bI2G8GIEEo0BDFgcfeWu7FnSciJmuXXXHS3QIkOfs=; b=vw5VRxhVcVTfjREL0Ti4h3j8Tnr+NXawKzTGFgPlvIzkTO4wsDbD9ONTdZazes5+xH C2Rvqq61rZi39FRc+h+YjOmbUp4T0BMEyGu2YPR26Us8iKgM/i20YRimmHlAaTUhmpVv jlkmBTNYOlQDTD3d12PQfxIUd1O5ZjZvYPfb3AND0gVHgGBpx/9FxtG223/zpbGxmiSj imAQgM4lpEyTqQcwf8SMkiGhdOqEjfGJUD3VyEYqGnJwdmUo1htb1zVnn1nJ7q1LV/vl DoVQksj4s2GkKknSU6XHAJGtxNIuAPETTbvnad3s848DtY52IJxvbsJZTMMY0iQhFhXb HstQ== X-Gm-Message-State: ACrzQf05ITZjFETKT//ESNf2TdlTMF3vRWrqCjHSlf4rPLt6wztMXdp5 EAhD4K218UwmGuiFnyVRoe/D X-Google-Smtp-Source: AMsMyM7eDqp0MAJayBElp6vKNbseMAqO0uaRkOgHaD0JYIbuqiBn6QFTcqJXxhIc+evWMRMYKnLVqw== X-Received: by 2002:a65:6148:0:b0:458:88cd:f46 with SMTP id o8-20020a656148000000b0045888cd0f46mr13451082pgv.303.1667239402882; Mon, 31 Oct 2022 11:03:22 -0700 (PDT) Received: from localhost.localdomain ([117.193.209.221]) by smtp.gmail.com with ESMTPSA id q14-20020a170902a3ce00b00186c6d2e7e3sm4742224plb.26.2022.10.31.11.03.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 31 Oct 2022 11:03:19 -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, dmitry.baryshkov@linaro.org, ahalaney@redhat.com, Manivannan Sadhasivam Subject: [PATCH v2 06/15] dt-bindings: ufs: Add "max-device-gear" property for UFS device Date: Mon, 31 Oct 2022 23:32:08 +0530 Message-Id: <20221031180217.32512-7-manivannan.sadhasivam@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221031180217.32512-1-manivannan.sadhasivam@linaro.org> References: <20221031180217.32512-1-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-device-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 --- 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..5dcd14909ad5 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-device-gear: + description: + Specifies max. gear the UFS device supports. + enum: [1, 2, 3, 4, 5] + dependencies: freq-table-hz: [ 'clocks' ]