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 X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CD49FC4338F for ; Wed, 28 Jul 2021 12:26:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B35A960F9E for ; Wed, 28 Jul 2021 12:26:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235785AbhG1M0n (ORCPT ); Wed, 28 Jul 2021 08:26:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38460 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235220AbhG1M0Z (ORCPT ); Wed, 28 Jul 2021 08:26:25 -0400 Received: from mail-qk1-x72b.google.com (mail-qk1-x72b.google.com [IPv6:2607:f8b0:4864:20::72b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 15335C061799; Wed, 28 Jul 2021 05:26:23 -0700 (PDT) Received: by mail-qk1-x72b.google.com with SMTP id t68so1941145qkf.8; Wed, 28 Jul 2021 05:26:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=sLsXOi/Vd6SWXJJX1GfqgWGuuId516J+Mh4hAEOUuFE=; b=a1N/dN4xR1XWNZDY/J2oCSI8VOFv6WyuuZc6bd9tByJFeMuPk0nLuph02ZsMRNmMJC As6MIuOfMHuoG0kLAqb6PTZlB2YOvprxnCe+oDd+q+XQjpsG3hIDiWuD9FfheeSzFq3L Y8+G/fpEK8FoWd2xyuRF9MqPMEP4Nc3L6MqOnHfLDvpi32dktXWmMZYG/QoP4GWtIiae F8x+hDSyPNgVx+xyg6VofwIXouKi9v8bqj6koUXSQTfTl/PyA0TtoHa/huwPqJsGw+CK 5afMnDrgcQxrFbqa6hew93JQHPmUVx1C+YVBeBeTpqtMH453Gq0tZm5BAYk12HEb1sXl 3YVQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=sLsXOi/Vd6SWXJJX1GfqgWGuuId516J+Mh4hAEOUuFE=; b=RHKWz9SvfqjrSi00T4OeNkAQ7Y55lmGUYKn019yklP5tezm8UVVF06wf2jf39f59hJ QQhlDu3zXkctxrCwzFtBAwmApGRyFN9X0TXeYq7LOoIGulWdDlNkzMHaS6UuFC7O34z5 9f/Q+HYU/2/nekFBEG9mcS70fb2G0cFqC5nVdAifJerEJG4gdQIwCtw1CsTkL63EqB6D Ge8bKlk2qFkqy3OFbQxZ9mg3XUPx4CeTfciKG2jlY0s2YCKj0wc28eoZTlVLMyeWzZ7F h3XNkAInluqyVqp4pnEnNPKw0Y8pVVK/jyoewoo/b5BJzrb5yWEjQESWLEfUa/0mPlM+ TeMA== X-Gm-Message-State: AOAM530miVtbNmJLjDIzwnylzCKlJNggyRnVgq/9/qhmxdYgiILJIPVA idtPJj7f5yzGdQnJ6hb8cII= X-Google-Smtp-Source: ABdhPJzguoTTyVVCd2JnPZcYbW8796g1C5ngdVomfVwumL+wn6oZIGKb9Nkd0LNxQXyhLUJvIjQQEw== X-Received: by 2002:a37:40c2:: with SMTP id n185mr9799919qka.50.1627475182223; Wed, 28 Jul 2021 05:26:22 -0700 (PDT) Received: from master-laptop.sparksnet ([2601:153:980:85b1:b58:2ae8:d75f:660a]) by smtp.gmail.com with ESMTPSA id z9sm2842972qtn.54.2021.07.28.05.26.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 28 Jul 2021 05:26:21 -0700 (PDT) From: Peter Geis To: Rob Herring , Heiko Stuebner , Kishon Vijay Abraham I , Vinod Koul Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org, Peter Geis Subject: [RFC PATCH 6/9] phy: phy-rockchip-inno-usb2: support muxed interrupts Date: Wed, 28 Jul 2021 08:26:03 -0400 Message-Id: <20210728122606.697619-7-pgwipeout@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210728122606.697619-1-pgwipeout@gmail.com> References: <20210728122606.697619-1-pgwipeout@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The rk3568 usb2phy has a single muxed interrupt that handles all interrupts. Allow the driver to plug in only a single interrupt as necessary. This currently only supports the host configuration for the new phy. Signed-off-by: Peter Geis --- drivers/phy/rockchip/phy-rockchip-inno-usb2.c | 168 +++++++++++++----- 1 file changed, 119 insertions(+), 49 deletions(-) diff --git a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c index 84a0c1d697da..fdeb2e7c937a 100644 --- a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c +++ b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c @@ -204,6 +204,7 @@ struct rockchip_usb2phy_port { * @dcd_retries: The retry count used to track Data contact * detection process. * @edev: extcon device for notification registration + * @irq: muxed interrupt for single irq configuration * @phy_cfg: phy register configuration, assigned by driver data. * @ports: phy port instance. */ @@ -218,6 +219,7 @@ struct rockchip_usb2phy { enum power_supply_type chg_type; u8 dcd_retries; struct extcon_dev *edev; + int irq; const struct rockchip_usb2phy_cfg *phy_cfg; struct rockchip_usb2phy_port ports[USB2PHY_NUM_PORTS]; }; @@ -934,6 +936,102 @@ static irqreturn_t rockchip_usb2phy_otg_mux_irq(int irq, void *data) return IRQ_NONE; } +static irqreturn_t rockchip_usb2phy_irq(int irq, void *data) +{ + struct rockchip_usb2phy *rphy = data; + struct rockchip_usb2phy_port *rport; + irqreturn_t ret = IRQ_NONE; + unsigned int index; + + for (index = 0; index < rphy->phy_cfg->num_ports; index++) { + rport = &rphy->ports[index]; + if (!rport->phy) + continue; + + /* Handle linestate irq for both otg port and host port */ + ret = rockchip_usb2phy_linestate_irq(irq, rport); + } + + return ret; +} + +static int rockchip_usb2phy_port_irq_init(struct rockchip_usb2phy *rphy, + struct rockchip_usb2phy_port *rport, + struct device_node *child_np) +{ + int ret; + + /* + * If the usb2 phy used combined irq for otg and host port, + * don't need to init otg and host port irq separately. + */ + if (rphy->irq > 0) + return 0; + + switch (rport->port_id) { + case USB2PHY_PORT_HOST: + rport->ls_irq = of_irq_get_byname(child_np, "linestate"); + if (rport->ls_irq < 0) { + dev_err(rphy->dev, "no linestate irq provided\n"); + return rport->ls_irq; + } + + ret = devm_request_threaded_irq(rphy->dev, rport->ls_irq, NULL, + rockchip_usb2phy_linestate_irq, + IRQF_ONESHOT, + "rockchip_usb2phy", rport); + if (ret) { + dev_err(rphy->dev, "failed to request linestate irq handle\n"); + return ret; + } + break; + case USB2PHY_PORT_OTG: + /* + * Some SoCs use one interrupt with otg-id/otg-bvalid/linestate + * interrupts muxed together, so probe the otg-mux interrupt first, + * if not found, then look for the regular interrupts one by one. + */ + rport->otg_mux_irq = of_irq_get_byname(child_np, "otg-mux"); + if (rport->otg_mux_irq > 0) { + ret = devm_request_threaded_irq(rphy->dev, rport->otg_mux_irq, + NULL, + rockchip_usb2phy_otg_mux_irq, + IRQF_ONESHOT, + "rockchip_usb2phy_otg", + rport); + if (ret) { + dev_err(rphy->dev, + "failed to request otg-mux irq handle\n"); + return ret; + } + } else { + rport->bvalid_irq = of_irq_get_byname(child_np, "otg-bvalid"); + if (rport->bvalid_irq < 0) { + dev_err(rphy->dev, "no vbus valid irq provided\n"); + ret = rport->bvalid_irq; + return ret; + } + + ret = devm_request_threaded_irq(rphy->dev, rport->bvalid_irq, + NULL, + rockchip_usb2phy_bvalid_irq, + IRQF_ONESHOT, + "rockchip_usb2phy_bvalid", + rport); + if (ret) { + dev_err(rphy->dev, + "failed to request otg-bvalid irq handle\n"); + return ret; + } + } + break; + default: + return -EINVAL; + } + + return 0; +} + static int rockchip_usb2phy_host_port_init(struct rockchip_usb2phy *rphy, struct rockchip_usb2phy_port *rport, struct device_node *child_np) @@ -947,18 +1045,9 @@ static int rockchip_usb2phy_host_port_init(struct rockchip_usb2phy *rphy, mutex_init(&rport->mutex); INIT_DELAYED_WORK(&rport->sm_work, rockchip_usb2phy_sm_work); - rport->ls_irq = of_irq_get_byname(child_np, "linestate"); - if (rport->ls_irq < 0) { - dev_err(rphy->dev, "no linestate irq provided\n"); - return rport->ls_irq; - } - - ret = devm_request_threaded_irq(rphy->dev, rport->ls_irq, NULL, - rockchip_usb2phy_linestate_irq, - IRQF_ONESHOT, - "rockchip_usb2phy", rport); + ret = rockchip_usb2phy_port_irq_init(rphy, rport, child_np); if (ret) { - dev_err(rphy->dev, "failed to request linestate irq handle\n"); + dev_err(rphy->dev, "failed to setup host irq\n"); return ret; } @@ -1007,44 +1096,10 @@ static int rockchip_usb2phy_otg_port_init(struct rockchip_usb2phy *rphy, INIT_DELAYED_WORK(&rport->chg_work, rockchip_chg_detect_work); INIT_DELAYED_WORK(&rport->otg_sm_work, rockchip_usb2phy_otg_sm_work); - /* - * Some SoCs use one interrupt with otg-id/otg-bvalid/linestate - * interrupts muxed together, so probe the otg-mux interrupt first, - * if not found, then look for the regular interrupts one by one. - */ - rport->otg_mux_irq = of_irq_get_byname(child_np, "otg-mux"); - if (rport->otg_mux_irq > 0) { - ret = devm_request_threaded_irq(rphy->dev, rport->otg_mux_irq, - NULL, - rockchip_usb2phy_otg_mux_irq, - IRQF_ONESHOT, - "rockchip_usb2phy_otg", - rport); - if (ret) { - dev_err(rphy->dev, - "failed to request otg-mux irq handle\n"); - goto out; - } - } else { - rport->bvalid_irq = of_irq_get_byname(child_np, "otg-bvalid"); - if (rport->bvalid_irq < 0) { - dev_err(rphy->dev, "no vbus valid irq provided\n"); - ret = rport->bvalid_irq; - goto out; - } - - ret = devm_request_threaded_irq(rphy->dev, rport->bvalid_irq, - NULL, - rockchip_usb2phy_bvalid_irq, - IRQF_ONESHOT, - "rockchip_usb2phy_bvalid", - rport); - if (ret) { - dev_err(rphy->dev, - "failed to request otg-bvalid irq handle\n"); - goto out; - } - } + ret = rockchip_usb2phy_port_irq_init(rphy, rport, child_np); + if (ret) { + dev_err(rphy->dev, "failed to init irq for host port\n"); + goto out; if (!IS_ERR(rphy->edev)) { rport->event_nb.notifier_call = rockchip_otg_event; @@ -1124,6 +1179,7 @@ static int rockchip_usb2phy_probe(struct platform_device *pdev) phy_cfgs = match->data; rphy->chg_state = USB_CHG_STATE_UNDEFINED; rphy->chg_type = POWER_SUPPLY_TYPE_UNKNOWN; + rphy->irq = platform_get_irq(pdev, 0); platform_set_drvdata(pdev, rphy); ret = rockchip_usb2phy_extcon_register(rphy); @@ -1201,6 +1257,20 @@ static int rockchip_usb2phy_probe(struct platform_device *pdev) } provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate); + + if (rphy->irq > 0) { + ret = devm_request_threaded_irq(rphy->dev, rphy->irq, NULL, + rockchip_usb2phy_irq, + IRQF_ONESHOT, + "rockchip_usb2phy", + rphy); + if (ret) { + dev_err(rphy->dev, + "failed to request usb2phy irq handle\n"); + goto put_child; + } + } + return PTR_ERR_OR_ZERO(provider); put_child: -- 2.25.1