From 2545d85301cd646965bf21b21d51d079e7e6ef4b Mon Sep 17 00:00:00 2001 From: Tony Lindgren Date: Thu, 25 May 2017 09:13:32 -0700 Subject: [PATCH] usb: host: ohci-platform: Add support for omap3 and later With the runtime PM implemented for ohci-platform driver, we can now support omap3 and later OHCI by adding one device tree property. Cc: Hans de Goede Cc: Rob Herring Cc: Yoshihiro Shimoda Cc: Sebastian Reichel Acked-by: Alan Stern Acked-by: Roger Quadros Signed-off-by: Tony Lindgren Signed-off-by: Greg Kroah-Hartman --- Documentation/devicetree/bindings/usb/usb-ohci.txt | 1 + drivers/usb/host/ohci-platform.c | 5 +++++ 2 files changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/usb/usb-ohci.txt b/Documentation/devicetree/bindings/usb/usb-ohci.txt index 9df4569..e8766b0 100644 --- a/Documentation/devicetree/bindings/usb/usb-ohci.txt +++ b/Documentation/devicetree/bindings/usb/usb-ohci.txt @@ -10,6 +10,7 @@ Optional properties: - big-endian-desc : boolean, set this for hcds with big-endian descriptors - big-endian : boolean, for hcds with big-endian-regs + big-endian-desc - no-big-frame-no : boolean, set if frame_no lives in bits [15:0] of HCCA +- remote-wakeup-connected: remote wakeup is wired on the platform - num-ports : u32, to override the detected port count - clocks : a list of phandle + clock specifier pairs - phys : phandle + phy specifier pair diff --git a/drivers/usb/host/ohci-platform.c b/drivers/usb/host/ohci-platform.c index 589177d..61fe2b9 100644 --- a/drivers/usb/host/ohci-platform.c +++ b/drivers/usb/host/ohci-platform.c @@ -164,6 +164,10 @@ static int ohci_platform_probe(struct platform_device *dev) if (of_property_read_bool(dev->dev.of_node, "no-big-frame-no")) ohci->flags |= OHCI_QUIRK_FRAME_NO; + if (of_property_read_bool(dev->dev.of_node, + "remote-wakeup-connected")) + ohci->hc_control = OHCI_CTRL_RWC; + of_property_read_u32(dev->dev.of_node, "num-ports", &ohci->num_ports); @@ -358,6 +362,7 @@ static int ohci_platform_resume(struct device *dev) static const struct of_device_id ohci_platform_ids[] = { { .compatible = "generic-ohci", }, { .compatible = "cavium,octeon-6335-ohci", }, + { .compatible = "ti,ohci-omap3", }, { } }; MODULE_DEVICE_TABLE(of, ohci_platform_ids); -- 2.7.4