From patchwork Wed Jan 29 13:51:55 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sandeep Maheswaram X-Patchwork-Id: 11356203 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 66513139A for ; Wed, 29 Jan 2020 13:53:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4D5872071E for ; Wed, 29 Jan 2020 13:53:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726967AbgA2Nwy (ORCPT ); Wed, 29 Jan 2020 08:52:54 -0500 Received: from alexa-out-blr-01.qualcomm.com ([103.229.18.197]:60060 "EHLO alexa-out-blr-01.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726271AbgA2Nwc (ORCPT ); Wed, 29 Jan 2020 08:52:32 -0500 Received: from ironmsg01-blr.qualcomm.com ([10.86.208.130]) by alexa-out-blr-01.qualcomm.com with ESMTP/TLS/AES256-SHA; 29 Jan 2020 19:22:26 +0530 Received: from c-sanm-linux.qualcomm.com ([10.206.25.31]) by ironmsg01-blr.qualcomm.com with ESMTP; 29 Jan 2020 19:22:08 +0530 Received: by c-sanm-linux.qualcomm.com (Postfix, from userid 2343233) id CBBA7257F; Wed, 29 Jan 2020 19:22:06 +0530 (IST) From: Sandeep Maheswaram To: Andy Gross , Bjorn Andersson , Kishon Vijay Abraham I , Rob Herring , Mark Rutland , Stephen Boyd , Doug Anderson , Matthias Kaehlcke Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Sandeep Maheswaram Subject: [PATCH v4 4/8] dt-bindings: phy: qcom-qusb2: Add support for overriding Phy tuning parameters Date: Wed, 29 Jan 2020 19:21:55 +0530 Message-Id: <1580305919-30946-5-git-send-email-sanm@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1580305919-30946-1-git-send-email-sanm@codeaurora.org> References: <1580305919-30946-1-git-send-email-sanm@codeaurora.org> Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Add support for overriding QUSB2 V2 phy tuning parameters in device tree bindings. Signed-off-by: Sandeep Maheswaram Reviewed-by: Rob Herring Reviewed-by: Matthias Kaehlcke Reviewed-by: Stephen Boyd --- .../devicetree/bindings/phy/qcom,qusb2-phy.yaml | 33 ++++++++++++++++++++++ 1 file changed, 33 insertions(+) diff --git a/Documentation/devicetree/bindings/phy/qcom,qusb2-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,qusb2-phy.yaml index 43082c8..dfef356 100644 --- a/Documentation/devicetree/bindings/phy/qcom,qusb2-phy.yaml +++ b/Documentation/devicetree/bindings/phy/qcom,qusb2-phy.yaml @@ -80,6 +80,28 @@ properties: maximum: 63 default: 0 + qcom,bias-ctrl-value: + description: + It is a 6 bit value that specifies bias-ctrl-value. It is a PHY + tuning parameter that may vary for different boards of same SOC. + This property is applicable to only QUSB2 v2 PHY. + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + - minimum: 0 + maximum: 63 + default: 0 + + qcom,charge-ctrl-value: + description: + It is a 2 bit value that specifies charge-ctrl-value. It is a PHY + tuning parameter that may vary for different boards of same SOC. + This property is applicable to only QUSB2 v2 PHY. + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + - minimum: 0 + maximum: 3 + default: 0 + qcom,hstx-trim-value: description: It is a 4 bit value that specifies tuning for HSTX @@ -118,6 +140,17 @@ properties: maximum: 1 default: 0 + qcom,hsdisc-trim-value: + description: + It is a 2 bit value tuning parameter that control disconnect + threshold and may vary for different boards of same SOC. + This property is applicable to only QUSB2 v2 PHY. + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + - minimum: 0 + maximum: 3 + default: 0 + required: - compatible - reg