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usb: chipidea: msm: Add device tree support 

Allows controller to be specified via device tree.
Pass PHY phandle specified in DT to core driver.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Ivan T. Ivanov <iivanov@mm-sol.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ivan T. Ivanov 2014-05-04 09:24:41 +08:00 committed by Greg Kroah-Hartman
parent a33d8ce729
commit 2629b10167
1 changed files with 22 additions and 1 deletions
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23
drivers/usb/chipidea/ci_hdrc_msm.c
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@ -57,9 +57,21 @@ static struct ci_hdrc_platform_data ci_hdrc_msm_platdata = {
static int ci_hdrc_msm_probe(struct platform_device *pdev) static int ci_hdrc_msm_probe(struct platform_device *pdev)
{ {
struct platform_device *plat_ci; struct platform_device *plat_ci;
struct usb_phy *phy;
dev_dbg(&pdev->dev, "ci_hdrc_msm_probe\n"); 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, plat_ci = ci_hdrc_add_device(&pdev->dev,
pdev->resource, pdev->num_resources, pdev->resource, pdev->num_resources,
&ci_hdrc_msm_platdata); &ci_hdrc_msm_platdata);
@ -86,10 +98,19 @@ static int ci_hdrc_msm_remove(struct platform_device *pdev)
return 0; 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 = { static struct platform_driver ci_hdrc_msm_driver = {
.probe = ci_hdrc_msm_probe, .probe = ci_hdrc_msm_probe,
.remove = ci_hdrc_msm_remove, .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); module_platform_driver(ci_hdrc_msm_driver);