From accefdd4b234f029a530928ee930b9dcac88fe84 Mon Sep 17 00:00:00 2001 From: Vivek Gautam Date: Sat, 3 Nov 2012 18:00:27 +0530 Subject: [PATCH] usb: dwc3: exynos: add support for device tree This patch adds support to parse probe data for dwc3-exynos driver using device tree. Signed-off-by: Vivek Gautam Signed-off-by: Felipe Balbi --- drivers/usb/dwc3/dwc3-exynos.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/drivers/usb/dwc3/dwc3-exynos.c b/drivers/usb/dwc3/dwc3-exynos.c index 586f1051b059..6471d786b3cf 100644 --- a/drivers/usb/dwc3/dwc3-exynos.c +++ b/drivers/usb/dwc3/dwc3-exynos.c @@ -21,6 +21,7 @@ #include #include #include +#include #include "core.h" @@ -87,6 +88,8 @@ static int __devinit dwc3_exynos_register_phys(struct dwc3_exynos *exynos) return ret; } +static u64 dwc3_exynos_dma_mask = DMA_BIT_MASK(32); + static int __devinit dwc3_exynos_probe(struct platform_device *pdev) { struct dwc3_exynos_data *pdata = pdev->dev.platform_data; @@ -102,6 +105,14 @@ static int __devinit dwc3_exynos_probe(struct platform_device *pdev) goto err0; } + /* + * Right now device-tree probed devices don't get dma_mask set. + * Since shared usb code relies on it, set it here for now. + * Once we move to full device tree support this will vanish off. + */ + if (!pdev->dev.dma_mask) + pdev->dev.dma_mask = &dwc3_exynos_dma_mask; + platform_set_drvdata(pdev, exynos); ret = dwc3_exynos_register_phys(exynos); @@ -191,11 +202,20 @@ static int __devexit dwc3_exynos_remove(struct platform_device *pdev) return 0; } +#ifdef CONFIG_OF +static const struct of_device_id exynos_dwc3_match[] = { + { .compatible = "samsung,exynos-dwc3" }, + {}, +}; +MODULE_DEVICE_TABLE(of, exynos_dwc3_match); +#endif + static struct platform_driver dwc3_exynos_driver = { .probe = dwc3_exynos_probe, .remove = __devexit_p(dwc3_exynos_remove), .driver = { .name = "exynos-dwc3", + .of_match_table = of_match_ptr(exynos_dwc3_match), }, }; -- GitLab