[PATCH v7 10/11] usb: musb: dsps: get the PHY using phandle api
From: Ravi Babu <hidden>
Date: 2012-08-02 12:12:53
Also in:
linux-omap
Subsystem:
musb multipoint high speed dual-role controller, open firmware and flattened device tree bindings, the rest, usb subsystem · Maintainers:
Bin Liu, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds, Greg Kroah-Hartman
AM33xx has two PHY of same type used by each musb controller so use phandle of phy nodes to get the phy pointer. Signed-off-by: Ajay Kumar Gupta <redacted> Signed-off-by: Ravi Babu <redacted> --- .../devicetree/bindings/usb/am33xx-usb.txt | 2 ++ drivers/usb/musb/musb_dsps.c | 5 ++++- 2 files changed, 6 insertions(+), 1 deletions(-)
diff --git a/Documentation/devicetree/bindings/usb/am33xx-usb.txt b/Documentation/devicetree/bindings/usb/am33xx-usb.txt
index 9782585..e2702df 100644
--- a/Documentation/devicetree/bindings/usb/am33xx-usb.txt
+++ b/Documentation/devicetree/bindings/usb/am33xx-usb.txt@@ -12,6 +12,8 @@ AM33XX MUSB GLUE represents PERIPHERAL. - power : Should be "250". This signifies the controller can supply upto 500mA when operating in host mode. + - usb0-phy : phandle for usb0 NOP PHY + - usb1-phy : phandle for usb1 NOP PHY NOP USB PHY - compatible : Should be "nop-xceiv-usb"
diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c
index 891c2be..255e71a 100644
--- a/drivers/usb/musb/musb_dsps.c
+++ b/drivers/usb/musb/musb_dsps.c@@ -416,9 +416,11 @@ static int dsps_musb_init(struct musb *musb) { struct device *dev = musb->controller; struct platform_device *pdev = to_platform_device(dev); + struct platform_device *parent_pdev = to_platform_device(dev->parent); struct dsps_glue *glue = dev_get_drvdata(dev->parent); const struct dsps_musb_wrapper *wrp = glue->wrp; void __iomem *reg_base = musb->ctrl_base; + char name[10]; u32 rev, val; int status;
@@ -426,7 +428,8 @@ static int dsps_musb_init(struct musb *musb) musb->mregs += wrp->musb_core_offset; /* Get the NOP PHY */ - musb->xceiv = usb_get_phy(USB_PHY_TYPE_USB2); + sprintf(name, "usb%d-phy", pdev->id); + musb->xceiv = devm_usb_get_phy_by_phandle(&parent_pdev->dev, name); if (IS_ERR_OR_NULL(musb->xceiv)) return -ENODEV;
--
1.7.0.4
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