From: "Ivan T. Ivanov" <iivanov@mm-sol.com>
To: Peter Chen <Peter.Chen@freescale.com>
Cc: "Ivan T. Ivanov" <iivanov@mm-sol.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-msm@vger.kernel.org
Subject: [PATCH v4 2/3] usb: chipidea: msm: Add device tree support
Date: Wed, 23 Apr 2014 15:28:03 +0300 [thread overview]
Message-ID: <1398256084-6815-3-git-send-email-iivanov@mm-sol.com> (raw)
In-Reply-To: <1398256084-6815-1-git-send-email-iivanov@mm-sol.com>
From: "Ivan T. Ivanov" <iivanov@mm-sol.com>
Allows controller to be specified via device tree.
Pass PHY phandle specified in DT to core driver.
Signed-off-by: Ivan T. Ivanov <iivanov@mm-sol.com>
---
drivers/usb/chipidea/ci_hdrc_msm.c | 23 ++++++++++++++++++++++-
1 file changed, 22 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/chipidea/ci_hdrc_msm.c b/drivers/usb/chipidea/ci_hdrc_msm.c
index 2d51d85..736aeb2 100644
--- a/drivers/usb/chipidea/ci_hdrc_msm.c
+++ b/drivers/usb/chipidea/ci_hdrc_msm.c
@@ -57,9 +57,21 @@ static struct ci_hdrc_platform_data ci_hdrc_msm_platdata = {
static int ci_hdrc_msm_probe(struct platform_device *pdev)
{
struct platform_device *plat_ci;
+ struct usb_phy *phy;
dev_dbg(&pdev->dev, "ci_hdrc_msm_probe\n");
+ /*
+ * OTG(PHY) driver takes care of PHY initialization, clock management,
+ * powering up VBUS, mapping of registers address space and power
+ * management.
+ */
+ phy = devm_usb_get_phy_by_phandle(&pdev->dev, "usb-phy", 0);
+ if (IS_ERR(phy))
+ return PTR_ERR(phy);
+
+ ci_hdrc_msm_platdata.phy = phy;
+
plat_ci = ci_hdrc_add_device(&pdev->dev,
pdev->resource, pdev->num_resources,
&ci_hdrc_msm_platdata);
@@ -86,10 +98,19 @@ static int ci_hdrc_msm_remove(struct platform_device *pdev)
return 0;
}
+static const struct of_device_id msm_ci_dt_match[] = {
+ { .compatible = "qcom,ci-hdrc", },
+ { }
+};
+MODULE_DEVICE_TABLE(of, msm_ci_dt_match);
+
static struct platform_driver ci_hdrc_msm_driver = {
.probe = ci_hdrc_msm_probe,
.remove = ci_hdrc_msm_remove,
- .driver = { .name = "msm_hsusb", },
+ .driver = {
+ .name = "msm_hsusb",
+ .of_match_table = msm_ci_dt_match,
+ },
};
module_platform_driver(ci_hdrc_msm_driver);
--
1.8.3.2
next prev parent reply other threads:[~2014-04-23 12:29 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-23 12:28 [PATCH v4 0/3] usb: chipidea: msm: Clean and fix glue layer driver Ivan T. Ivanov
2014-04-23 12:28 ` [PATCH v4 1/3] usb: chipidea: msm: Add device tree binding information Ivan T. Ivanov
2014-04-23 12:28 ` Ivan T. Ivanov [this message]
2014-04-23 12:28 ` [PATCH v4 3/3] usb: chipidea: msm: Initialize offset of the capability registers Ivan T. Ivanov
2014-04-24 0:38 ` [PATCH v4 0/3] usb: chipidea: msm: Clean and fix glue layer driver Peter Chen
2014-04-24 14:31 ` Ivan T. Ivanov
2014-04-25 3:10 ` Peter Chen
2014-04-28 14:03 ` Ivan T. Ivanov
2014-04-29 0:45 ` Peter Chen
2014-04-29 6:40 ` Ivan T. Ivanov
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