From patchwork Tue May 16 16:20:18 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Johannes Zink X-Patchwork-Id: 682682 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 0FC32C7EE25 for ; Tue, 16 May 2023 16:21:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229666AbjEPQVT (ORCPT ); Tue, 16 May 2023 12:21:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46038 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229843AbjEPQU7 (ORCPT ); Tue, 16 May 2023 12:20:59 -0400 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DC031903E for ; Tue, 16 May 2023 09:20:35 -0700 (PDT) Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1pyxPd-0002nq-A6; Tue, 16 May 2023 18:20:33 +0200 Received: from [2a0a:edc0:0:1101:1d::39] (helo=dude03.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtp (Exim 4.94.2) (envelope-from ) id 1pyxPc-000eDt-Gp; Tue, 16 May 2023 18:20:32 +0200 Received: from localhost ([::1] helo=dude03.red.stw.pengutronix.de) by dude03.red.stw.pengutronix.de with esmtp (Exim 4.94.2) (envelope-from ) id 1pyxPb-00DODy-NQ; Tue, 16 May 2023 18:20:31 +0200 From: Johannes Zink Subject: [PATCH v2 0/2] Add phy tuning support for imx8mq-usb Date: Tue, 16 May 2023 18:20:18 +0200 Message-Id: <20230516-lustige-usb-phy-dinge-v2-0-3383a0de34ac@pengutronix.de> MIME-Version: 1.0 X-B4-Tracking: v=1; b=H4sIAEOtY2QC/x2NQQoCMQxFrzJkbWHsUBGvIi6aNLWBUofGijLM3 Y0u3+M//gbKXVjhMm3Q+SUqj2bgDxNQie3OTpIx+NkvczieXB36FNND0a3l45L8RvmcMhEuASm AtRiVHfbYqFjdRq0m185Z3v+z623fvywF6SR8AAAA To: Vinod Koul , Kishon Vijay Abraham I , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Li Jun Cc: patchwork-jzi@pengutronix.de, linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Johannes Zink , Haibo Chen X-Mailer: b4 0.12.2 X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: j.zink@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: devicetree@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org This series adds support for USB phy tuning parameters, which are required for meeting USB certification and EMI qualification. Patch 1/2 adds the required properties to the fsl,imx8mq-usb-phy devicetree binding. Patch 2/2 adds the phy tuning parameters to the phy-fsl-imx8mp driver. This patch is ported and cleaned up from the downstream Freescale vendor tree. Best regards, Johannes Johannes Zink (1): dt-bindings: phy: imx8mq-usb: add phy tuning properties Li Jun (1): phy: fsl-imx8mp-usb: add support for phy tuning Reviewed-by: Krzysztof Kozlowski --- Changelog: v1 -> v2: worked in review from Krzysztof and Rob, thanks for your review: - extract more useful descriptions of the properties from the datasheet - use unit postfixes for the device tree properties to facilitate porting in the future - add more information about some of the properties (thanks to Li Jun for clarification) - adjust parsing of the devicetree properties in the driver to scale to the proper register values Signed-off-by: Johannes Zink --- Johannes Zink (1): dt-bindings: phy: imx8mq-usb: add phy tuning properties Li Jun (1): phy: fsl-imx8mp-usb: add support for phy tuning .../bindings/phy/fsl,imx8mq-usb-phy.yaml | 47 +++++ drivers/phy/freescale/phy-fsl-imx8mq-usb.c | 218 +++++++++++++++++++++ 2 files changed, 265 insertions(+) --- base-commit: 7a503071e06db4409b7066b8ecca9f3da03dd3b1 change-id: 20230516-lustige-usb-phy-dinge-f8dfccb35bc5 Best regards,