From mboxrd@z Thu Jan 1 00:00:00 1970 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id D8FA2C3ABAB for ; Tue, 29 Apr 2025 15:16:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:From:References:Cc:To: Subject:MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=2PGHHfleOOery4zY/loWwSYMm4+sqY2L3Irq9N5UeP8=; b=Zk/661z4nHGnH/ 1ZsNmaENlVGridnywvlz8F66WUJpqArBDo9EW0dEO8VNIETFJ7mFuafKQCx5E/hUTmfaV+HVpVPyN oEg/6Tu7oNyzSidcDA5JVQK4LRWy7iAe++VAA4xWVp1PB4e8YZF1E8KHCaTTuoNpOT6PgiazSA7N+ uwIp9QIMGmOY6Mwfr9AXAcAEjPxoA6Pm9KLvjMCVfric5IPoY3ZPMRxBhcJDJz5iG7px75NaFpEXO pAtdm6EFiC6nEdATc+p8N2o/Zqabsm5vCcGA4Rqj/W1UXXdm4PsBpYIqHEMQHfWXzm88RGb4hH9km iTL4/Vh+jQg+LKDCG2YA==; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org On 29/04/2025 05:30, Xu Yang wrote: > Commit b2e75563dc39 ("dt-bindings: phy: imx8mq-usb: add phy tuning > properties") add many tuning properties, but some parameter value doesn't > match the register description. It made some changes based on the original > value: add offset to a negative number so turn it to a non-negative number. > However, it's not easy to find an exact tuning value from register field > with such conversion. > > Because device-tree supports negative parameter number, this will improve > some propertie's parameter. > > Mainly include below properties: > - fsl,phy-tx-vref-tune-percent > - fsl,phy-tx-rise-tune-percent > - fsl,phy-comp-dis-tune-percent > > The parameter value of above 3 properties are USB PHY specific. i.MX8MP > and i.MX95 USB PHY has different meanings. So this add restrictions for > them. > > - fsl,phy-tx-vboost-level-microvolt > > For this property, the parameter value is wrong in register description. > This will correct it according to true value. > > For detailed info, please refer to i.MX8MP and i.MX95 latest reference > manual. > > Signed-off-by: Xu Yang > > --- > Changes in v2: > - keep widest constraints > - use multipleOf for some properties > --- > .../bindings/phy/fsl,imx8mq-usb-phy.yaml | 60 +++++++++++++++---- > 1 file changed, 49 insertions(+), 11 deletions(-) > > diff --git a/Documentation/devicetree/bindings/phy/fsl,imx8mq-usb-phy.yaml b/Documentation/devicetree/bindings/phy/fsl,imx8mq-usb-phy.yaml > index daee0c0fc915..71e5940ef4b8 100644 > --- a/Documentation/devicetree/bindings/phy/fsl,imx8mq-usb-phy.yaml > +++ b/Documentation/devicetree/bindings/phy/fsl,imx8mq-usb-phy.yaml > @@ -42,16 +42,17 @@ properties: > > fsl,phy-tx-vref-tune-percent: > description: > - Tunes the HS DC level relative to the nominal level > - minimum: 94 > - maximum: 124 > + Tunes the HS DC level relative to the nominal level. It varies > + between different PHY versions > + minimum: -1000 > + maximum: 875 Nothing improved here. You just sent v2 ignoring reviewers feedback. NAK Best regards, Krzysztof -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy