From: Piyush Mehta <piyush.mehta@amd.com>
To: <gregkh@linuxfoundation.org>, <michal.simek@amd.com>,
<robh+dt@kernel.org>, <krzysztof.kozlowski+dt@linaro.org>,
<conor+dt@kernel.org>, <peter.chen@kernel.org>,
<linus.walleij@linaro.org>, <paul@crapouillou.net>,
<arnd@arndb.de>
Cc: <piyush.mehta@amd.com>, <linux-usb@vger.kernel.org>,
<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<git@amd.com>
Subject: [RFC PATCH 2/3] usb: chipidea: add usb2 phy interface for Zynq platform
Date: Fri, 29 Sep 2023 12:18:51 +0530 [thread overview]
Message-ID: <20230929064852.16642-3-piyush.mehta@amd.com> (raw)
In-Reply-To: <20230929064852.16642-1-piyush.mehta@amd.com>
USB2 phy has been added to the Zynq platform data. This defines the ULPI
phy interface for accessing the ULPI register.
Signed-off-by: Piyush Mehta <piyush.mehta@amd.com>
---
drivers/usb/chipidea/ci_hdrc_usb2.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/usb/chipidea/ci_hdrc_usb2.c b/drivers/usb/chipidea/ci_hdrc_usb2.c
index 1321ee67f3b8..a115383fa1ee 100644
--- a/drivers/usb/chipidea/ci_hdrc_usb2.c
+++ b/drivers/usb/chipidea/ci_hdrc_usb2.c
@@ -65,6 +65,14 @@ static int ci_hdrc_usb2_probe(struct platform_device *pdev)
if (match && match->data) {
/* struct copy */
*ci_pdata = *(struct ci_hdrc_platform_data *)match->data;
+ if (of_device_is_compatible(pdev->dev.of_node,
+ "xlnx,zynq-usb-2.20a")) {
+ ci_pdata->usb_phy = devm_usb_get_phy_by_phandle(dev,
+ "usb-phy",
+ 0);
+ if (IS_ERR(ci_pdata->usb_phy))
+ return PTR_ERR(ci_pdata->usb_phy);
+ }
}
priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
--
2.17.1
next prev parent reply other threads:[~2023-09-29 6:49 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-29 6:48 [RFC PATCH 0/3] usb: phy: Add platform driver support for ULPI phys Piyush Mehta
2023-09-29 6:48 ` [RFC PATCH 1/3] dt-binding: usb: ulpi-phy: add ulpi-phy binding Piyush Mehta
2023-09-29 14:04 ` Conor Dooley
2023-09-30 15:15 ` Krzysztof Kozlowski
2023-10-02 17:00 ` Rob Herring
2023-10-04 11:45 ` Mehta, Piyush
2023-12-01 13:07 ` Mehta, Piyush
2023-09-29 6:48 ` Piyush Mehta [this message]
2023-09-29 6:48 ` [RFC PATCH 3/3] usb: phy: Add platform driver support for ULPI phys Piyush Mehta
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