From patchwork Fri Aug 4 13:50:08 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Neil Armstrong X-Patchwork-Id: 13341911 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 54D35C41513 for ; Fri, 4 Aug 2023 13:50:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231469AbjHDNu1 (ORCPT ); Fri, 4 Aug 2023 09:50:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58524 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231426AbjHDNuY (ORCPT ); Fri, 4 Aug 2023 09:50:24 -0400 Received: from mail-wm1-x331.google.com (mail-wm1-x331.google.com [IPv6:2a00:1450:4864:20::331]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E8676139 for ; Fri, 4 Aug 2023 06:50:21 -0700 (PDT) Received: by mail-wm1-x331.google.com with SMTP id 5b1f17b1804b1-3fe1d462762so20131125e9.0 for ; Fri, 04 Aug 2023 06:50:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1691157020; x=1691761820; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=fvPQtc3n+AQ43mIboHGUgEC6liC/yfr/8rGlBJbQd4M=; b=Hg+tVobDGieGUcB28lGqS7u/Kg3Nec6NTkRIl1Ry/jMOdf8E6uw5PkUJxKIrkSfB4Y ruf6OQk0fSxWy58aGsGLy4bKe9ZgL27XuaqTs1Lw0HM7nnqvP28+o5ORbry/NFq7Bp1x en7SEiP0k5pWEgst/l4IEPtL1ByPI8gZOCQZP64rJmv/lBRBZ3UQRZybg8tFivpvWhZA IvzQZ3VxNECumqpkVlxSLIRntXB5CWqtG1VBKy4RHT2flgzmDqKRY7TOnRWaGScFgRfv O0LG/t6PUuwKIU7WtkaNnYr1JnB/OMZljOV9hc9fg0AjnO4VxiwmculhzmYXWHSD08B4 9gfg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1691157020; x=1691761820; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=fvPQtc3n+AQ43mIboHGUgEC6liC/yfr/8rGlBJbQd4M=; b=eQiTWR6sy2rMRuJcOx8Mfd9I79KhzZZ+2ivsuLHGYgEG/3eiFGK7nhKnm6tCBuh/Jn Q0loWWQziF3gbyuYsFMGeN1+kKpHUTSJXOeSM4XlrqiZIDlXUJlQXtBhx6roNvZOsBLe EsOpy3DFY2xMFxDs8VvxEWaa8jOanVyDCP2BC5drS5s8bb0vyzdOQBqueWozE934tS3d 6Vz9AyL3Un5pjVkbjW8FDWhVDUOvShtbyduPjrzMn11Y8wTcD7SOW0UJSnN1a5NcCt7G ggXrVeLRYOhm4wHtupmBmReJ7e89CO82DlAjuifQWHMooFyGmYcZUavTHK9EMECr5muj ZM+Q== X-Gm-Message-State: AOJu0Yxh61z+pRIr1qwOOnhM2b7JgWXX79JDHuB4PxWtDhmjEMXX8et2 b8x813VNgDC/ar7M5zfKI1TVIw== X-Google-Smtp-Source: AGHT+IFeH01Ul71Lfz7yHy0osMqSe97w2MvNWjvgtaNtKBWxfM55R1zGaAeI12b49Qk9Scr0K3+iNQ== X-Received: by 2002:a1c:7709:0:b0:3fe:1b9e:e790 with SMTP id t9-20020a1c7709000000b003fe1b9ee790mr1609742wmi.2.1691157020150; Fri, 04 Aug 2023 06:50:20 -0700 (PDT) Received: from arrakeen.starnux.net ([2a01:e0a:982:cbb0:8261:5fff:fe11:bdda]) by smtp.gmail.com with ESMTPSA id u25-20020a7bcb19000000b003fe1cac37d8sm6894793wmj.11.2023.08.04.06.50.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 04 Aug 2023 06:50:19 -0700 (PDT) From: Neil Armstrong Date: Fri, 04 Aug 2023 15:50:08 +0200 Subject: [PATCH 2/4] usb: ucsi: glink: use the connector orientation GPIO to provide switch events MIME-Version: 1.0 Message-Id: <20230804-topic-sm8550-upstream-type-c-orientation-v1-2-36dd3edec7bf@linaro.org> References: <20230804-topic-sm8550-upstream-type-c-orientation-v1-0-36dd3edec7bf@linaro.org> In-Reply-To: <20230804-topic-sm8550-upstream-type-c-orientation-v1-0-36dd3edec7bf@linaro.org> To: Andy Gross , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heikki Krogerus , Greg Kroah-Hartman Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, Neil Armstrong X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=3618; i=neil.armstrong@linaro.org; h=from:subject:message-id; bh=2Yx8kmPz9CwCyctqse+y5FCFBBh71PuYcaSNl/C5414=; b=owEBbQKS/ZANAwAKAXfc29rIyEnRAcsmYgBkzQIYPn2uv3f3KnvwEme1PsIabLipHvXWSFjfWe5D 0zTCEMyJAjMEAAEKAB0WIQQ9U8YmyFYF/h30LIt33NvayMhJ0QUCZM0CGAAKCRB33NvayMhJ0Rs0D/ 9Nf3DUub/be65RQP+RUcneISyhvLm49D5YBD2LAAYHwx7aJkO8B3QKE2D8zeWzWw6V6MQPFVwJeyr1 JwJMiQpX/1CaJtLDR1y5RQ4kPLNjn1E4f+33VD+BSciFR/qbJWD2LllMU9k7ZLE6DZ9IF7fPLb08sB Okb869TcY0LZBQdoCgG9YAdycRmQVwez1aZAaPRAOciaMjfunRfGi71aN6UeAi8SonfpvrruLnBz5r U/ZLZRVdrh60lRULOoEvY7ZhVLK8UYDWNRHlyj0Wrjm3s49bPF62GRdaDZjtf21C+YlVdoS7+1NHhS KtQVlfZpEJ3XSbLz10WL7bNLOdYUaSa4g9XZEGX8A4IGDYGh4mOEskjHKvm5IFM5vPstFXIDtDUz/o zK03gXcBrPayuugsjvoAimjZnCnY238GrM80rO8X8qYqVKz6QgIerBv2VgabGRGLjktNgAyINrJY+6 kJH5y4Lg5LYHHDz6BZvEog5RyE3OwuTvbHbU3j2Pb5t/v+c/mWaBlMgkisFWo+NNtq7iffhzM5So+p xvIMI2OIOs11+tl7YKprs0NxzFwzOFpfYUDr6sETCaNrZaHmnoe7AX7Ob5ZC43ZetaCs3bFVJDaOv6 plvBMBGhVBWTJomHEnF6qGJfNbFb22l9g8LgqnerA5xeXOypceV4AcunklcA== X-Developer-Key: i=neil.armstrong@linaro.org; a=openpgp; fpr=89EC3D058446217450F22848169AB7B1A4CFF8AE Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org On SM8550, the non-altmode orientation is not given anymore within altmode events, even with USB SVIDs events. On the other side, the Type-C connector orientation is correctly reported by a signal from the PMIC. Take this gpio signal when we detect some Type-C port activity to notify any Type-C switches tied to the Type-C port connectors. Acked-by: Heikki Krogerus Signed-off-by: Neil Armstrong --- drivers/usb/typec/ucsi/ucsi_glink.c | 54 ++++++++++++++++++++++++++++++++++++- 1 file changed, 53 insertions(+), 1 deletion(-) diff --git a/drivers/usb/typec/ucsi/ucsi_glink.c b/drivers/usb/typec/ucsi/ucsi_glink.c index bb1854b3311d..db6e248f8208 100644 --- a/drivers/usb/typec/ucsi/ucsi_glink.c +++ b/drivers/usb/typec/ucsi/ucsi_glink.c @@ -8,9 +8,13 @@ #include #include #include +#include +#include #include #include "ucsi.h" +#define PMIC_GLINK_MAX_PORTS 2 + #define UCSI_BUF_SIZE 48 #define MSG_TYPE_REQ_RESP 1 @@ -52,6 +56,9 @@ struct ucsi_notify_ind_msg { struct pmic_glink_ucsi { struct device *dev; + struct gpio_desc *port_orientation[PMIC_GLINK_MAX_PORTS]; + struct typec_switch *port_switch[PMIC_GLINK_MAX_PORTS]; + struct pmic_glink_client *client; struct ucsi *ucsi; @@ -220,8 +227,20 @@ static void pmic_glink_ucsi_notify(struct work_struct *work) } con_num = UCSI_CCI_CONNECTOR(cci); - if (con_num) + if (con_num) { + if (con_num < PMIC_GLINK_MAX_PORTS && + ucsi->port_orientation[con_num - 1]) { + int orientation = gpiod_get_value(ucsi->port_orientation[con_num - 1]); + + if (orientation >= 0) { + typec_switch_set(ucsi->port_switch[con_num - 1], + orientation ? TYPEC_ORIENTATION_REVERSE + : TYPEC_ORIENTATION_NORMAL); + } + } + ucsi_connector_change(ucsi->ucsi, con_num); + } if (ucsi->sync_pending && cci & UCSI_CCI_BUSY) { ucsi->sync_val = -EBUSY; @@ -282,6 +301,7 @@ static int pmic_glink_ucsi_probe(struct auxiliary_device *adev, { struct pmic_glink_ucsi *ucsi; struct device *dev = &adev->dev; + struct fwnode_handle *fwnode; int ret; ucsi = devm_kzalloc(dev, sizeof(*ucsi), GFP_KERNEL); @@ -309,6 +329,38 @@ static int pmic_glink_ucsi_probe(struct auxiliary_device *adev, ucsi_set_drvdata(ucsi->ucsi, ucsi); + device_for_each_child_node(dev, fwnode) { + struct gpio_desc *desc; + u32 port; + + ret = fwnode_property_read_u32(fwnode, "reg", &port); + if (ret < 0) { + dev_err(dev, "missing reg property of %pOFn\n", fwnode); + return ret; + } + + if (port >= PMIC_GLINK_MAX_PORTS) { + dev_warn(dev, "invalid connector number, ignoring\n"); + continue; + } + + desc = devm_gpiod_get_index_optional(&adev->dev, "orientation", port, GPIOD_IN); + + /* If GPIO isn't found, continue */ + if (!desc) + continue; + + if (IS_ERR(desc)) + return dev_err_probe(dev, PTR_ERR(desc), + "unable to acquire orientation gpio\n"); + ucsi->port_orientation[port] = desc; + + ucsi->port_switch[port] = fwnode_typec_switch_get(fwnode); + if (IS_ERR(ucsi->port_switch[port])) + return dev_err_probe(dev, PTR_ERR(ucsi->port_switch[port]), + "failed to acquire orientation-switch\n"); + } + ucsi->client = devm_pmic_glink_register_client(dev, PMIC_GLINK_OWNER_USBC, pmic_glink_ucsi_callback,