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usb: dwc3: keystone: Add support for ti,am654-dwc3

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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: Roger Quadros <rogerq@ti.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This commit is contained in:
Roger Quadros 2019-01-10 17:04:30 +02:00 committed by Felipe Balbi
parent d26c05781e
commit eca6b49430
2 changed files with 13 additions and 4 deletions
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6
drivers/usb/dwc3/Kconfig
View File

@ -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

11
drivers/usb/dwc3/dwc3-keystone.c
View File

@ -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);
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);