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Commit eca6b494 authored by Roger Quadros's avatar Roger Quadros Committed by Felipe Balbi
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usb: dwc3: keystone: Add support for ti,am654-dwc3 



The AM654 SoC contains a DWC3 controller with TI specific
wrapper. Add support for that.

Unlike the Keystone 2 case, for AM654 We don't need to
process any IRQs for basic USB operation.

Signed-off-by: default avatarRoger Quadros <rogerq@ti.com>
Signed-off-by: default avatarFelipe Balbi <felipe.balbi@linux.intel.com>
parent d26c0578

drivers/usb/dwc3/Kconfig

+3 −3
Original line number Diff line number Diff line
@@ -86,11 +86,11 @@ config USB_DWC3_HAPS 
	  platform, please say 'Y' or 'M' here.



config USB_DWC3_KEYSTONE

	tristate "Texas Instruments Keystone2 Platforms"

	depends on ARCH_KEYSTONE || COMPILE_TEST

	tristate "Texas Instruments Keystone2/AM654 Platforms"

	depends on ARCH_KEYSTONE || ARCH_K3 || COMPILE_TEST

	default USB_DWC3

	help

	  Support of USB2/3 functionality in TI Keystone2 platforms.

	  Support of USB2/3 functionality in TI Keystone2 and AM654 platforms.

	  Say 'Y' or 'M' here if you have one such device



config USB_DWC3_OF_SIMPLE

drivers/usb/dwc3/dwc3-keystone.c

+10 −1
Original line number Diff line number Diff line
@@ -106,6 +106,10 @@ static int kdwc3_probe(struct platform_device *pdev) 
		goto err_irq;

	}



	/* IRQ processing not required currently for AM65 */

	if (of_device_is_compatible(node, "ti,am654-dwc3"))

		goto skip_irq;



	irq = platform_get_irq(pdev, 0);

	if (irq < 0) {

		dev_err(&pdev->dev, "missing irq\n");
@@ -123,6 +127,7 @@ static int kdwc3_probe(struct platform_device *pdev) 


	kdwc3_enable_irqs(kdwc);



skip_irq:

	error = of_platform_populate(node, NULL, NULL, dev);

	if (error) {

		dev_err(&pdev->dev, "failed to create dwc3 core\n");
@@ -152,8 +157,11 @@ static int kdwc3_remove_core(struct device *dev, void *c) 
static int kdwc3_remove(struct platform_device *pdev)

{

	struct dwc3_keystone *kdwc = platform_get_drvdata(pdev);

	struct device_node *node = pdev->dev.of_node;



	if (!of_device_is_compatible(node, "ti,am654-dwc3"))

		kdwc3_disable_irqs(kdwc);



	device_for_each_child(&pdev->dev, NULL, kdwc3_remove_core);

	pm_runtime_put_sync(kdwc->dev);

	pm_runtime_disable(kdwc->dev);
@@ -165,6 +173,7 @@ static int kdwc3_remove(struct platform_device *pdev) 


static const struct of_device_id kdwc3_of_match[] = {

	{ .compatible = "ti,keystone-dwc3", },

	{ .compatible = "ti,am654-dwc3" },

	{},

};

MODULE_DEVICE_TABLE(of, kdwc3_of_match);