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[109.252.192.57]) by smtp.gmail.com with ESMTPSA id i9sm1036472ljn.18.2020.12.18.04.11.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 18 Dec 2020 04:11:33 -0800 (PST) From: Dmitry Osipenko To: Thierry Reding , Jonathan Hunter , Peter Chen , Greg Kroah-Hartman , Alan Stern , Felipe Balbi , Matt Merhar , Nicolas Chauvet , Peter Geis , Ion Agorria Cc: linux-tegra@vger.kernel.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 6/9] usb: chipidea: tegra: Support runtime PM Date: Fri, 18 Dec 2020 15:02:43 +0300 Message-Id: <20201218120246.7759-7-digetx@gmail.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201218120246.7759-1-digetx@gmail.com> References: <20201218120246.7759-1-digetx@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Tegra PHY driver now supports waking up controller from a low power mode. Enable runtime PM in order to put controller into the LPM during idle. Tested-by: Matt Merhar Tested-by: Nicolas Chauvet Tested-by: Peter Geis Tested-by: Ion Agorria Signed-off-by: Dmitry Osipenko --- drivers/usb/chipidea/ci_hdrc_tegra.c | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) diff --git a/drivers/usb/chipidea/ci_hdrc_tegra.c b/drivers/usb/chipidea/ci_hdrc_tegra.c index 5fccdeeefc64..655671159511 100644 --- a/drivers/usb/chipidea/ci_hdrc_tegra.c +++ b/drivers/usb/chipidea/ci_hdrc_tegra.c @@ -38,21 +38,24 @@ struct tegra_usb_soc_info { static const struct tegra_usb_soc_info tegra20_ehci_soc_info = { .flags = CI_HDRC_REQUIRES_ALIGNED_DMA | - CI_HDRC_OVERRIDE_PHY_CONTROL, + CI_HDRC_OVERRIDE_PHY_CONTROL | + CI_HDRC_SUPPORTS_RUNTIME_PM, .dr_mode = USB_DR_MODE_HOST, .txfifothresh = 10, }; static const struct tegra_usb_soc_info tegra30_ehci_soc_info = { .flags = CI_HDRC_REQUIRES_ALIGNED_DMA | - CI_HDRC_OVERRIDE_PHY_CONTROL, + CI_HDRC_OVERRIDE_PHY_CONTROL | + CI_HDRC_SUPPORTS_RUNTIME_PM, .dr_mode = USB_DR_MODE_HOST, .txfifothresh = 16, }; static const struct tegra_usb_soc_info tegra_udc_soc_info = { .flags = CI_HDRC_REQUIRES_ALIGNED_DMA | - CI_HDRC_OVERRIDE_PHY_CONTROL, + CI_HDRC_OVERRIDE_PHY_CONTROL | + CI_HDRC_SUPPORTS_RUNTIME_PM, .dr_mode = USB_DR_MODE_UNKNOWN, }; @@ -323,6 +326,10 @@ static int tegra_usb_probe(struct platform_device *pdev) usb->data.hub_control = tegra_ehci_hub_control; usb->data.notify_event = tegra_usb_notify_event; + /* Tegra PHY driver currently doesn't support LPM for ULPI */ + if (of_usb_get_phy_mode(pdev->dev.of_node) == USBPHY_INTERFACE_MODE_ULPI) + usb->data.flags &= ~CI_HDRC_SUPPORTS_RUNTIME_PM; + usb->dev = ci_hdrc_add_device(&pdev->dev, pdev->resource, pdev->num_resources, &usb->data); if (IS_ERR(usb->dev)) {