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-rw-r--r--drivers/usb/dwc3/dwc3-exynos.c66
1 files changed, 66 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/dwc3-exynos.c b/drivers/usb/dwc3/dwc3-exynos.c
index b8f00389fa34..ca6597853f90 100644
--- a/drivers/usb/dwc3/dwc3-exynos.c
+++ b/drivers/usb/dwc3/dwc3-exynos.c
@@ -19,16 +19,74 @@
19#include <linux/platform_data/dwc3-exynos.h> 19#include <linux/platform_data/dwc3-exynos.h>
20#include <linux/dma-mapping.h> 20#include <linux/dma-mapping.h>
21#include <linux/clk.h> 21#include <linux/clk.h>
22#include <linux/usb/otg.h>
23#include <linux/usb/nop-usb-xceiv.h>
22 24
23#include "core.h" 25#include "core.h"
24 26
25struct dwc3_exynos { 27struct dwc3_exynos {
26 struct platform_device *dwc3; 28 struct platform_device *dwc3;
29 struct platform_device *usb2_phy;
30 struct platform_device *usb3_phy;
27 struct device *dev; 31 struct device *dev;
28 32
29 struct clk *clk; 33 struct clk *clk;
30}; 34};
31 35
36static int __devinit dwc3_exynos_register_phys(struct dwc3_exynos *exynos)
37{
38 struct nop_usb_xceiv_platform_data pdata;
39 struct platform_device *pdev;
40 int ret;
41
42 memset(&pdata, 0x00, sizeof(pdata));
43
44 pdev = platform_device_alloc("nop_usb_xceiv", 0);
45 if (!pdev)
46 return -ENOMEM;
47
48 exynos->usb2_phy = pdev;
49 pdata.type = USB_PHY_TYPE_USB2;
50
51 ret = platform_device_add_data(exynos->usb2_phy, &pdata, sizeof(pdata));
52 if (ret)
53 goto err1;
54
55 pdev = platform_device_alloc("nop_usb_xceiv", 1);
56 if (!pdev) {
57 ret = -ENOMEM;
58 goto err1;
59 }
60
61 exynos->usb3_phy = pdev;
62 pdata.type = USB_PHY_TYPE_USB3;
63
64 ret = platform_device_add_data(exynos->usb3_phy, &pdata, sizeof(pdata));
65 if (ret)
66 goto err2;
67
68 ret = platform_device_add(exynos->usb2_phy);
69 if (ret)
70 goto err2;
71
72 ret = platform_device_add(exynos->usb3_phy);
73 if (ret)
74 goto err3;
75
76 return 0;
77
78err3:
79 platform_device_del(exynos->usb2_phy);
80
81err2:
82 platform_device_put(exynos->usb3_phy);
83
84err1:
85 platform_device_put(exynos->usb2_phy);
86
87 return ret;
88}
89
32static int __devinit dwc3_exynos_probe(struct platform_device *pdev) 90static int __devinit dwc3_exynos_probe(struct platform_device *pdev)
33{ 91{
34 struct dwc3_exynos_data *pdata = pdev->dev.platform_data; 92 struct dwc3_exynos_data *pdata = pdev->dev.platform_data;
@@ -51,6 +109,12 @@ static int __devinit dwc3_exynos_probe(struct platform_device *pdev)
51 if (devid < 0) 109 if (devid < 0)
52 goto err1; 110 goto err1;
53 111
112 ret = dwc3_exynos_register_phys(exynos);
113 if (ret) {
114 dev_err(&pdev->dev, "couldn't register PHYs\n");
115 goto err1;
116 }
117
54 dwc3 = platform_device_alloc("dwc3", devid); 118 dwc3 = platform_device_alloc("dwc3", devid);
55 if (!dwc3) { 119 if (!dwc3) {
56 dev_err(&pdev->dev, "couldn't allocate dwc3 device\n"); 120 dev_err(&pdev->dev, "couldn't allocate dwc3 device\n");
@@ -120,6 +184,8 @@ static int __devexit dwc3_exynos_remove(struct platform_device *pdev)
120 struct dwc3_exynos_data *pdata = pdev->dev.platform_data; 184 struct dwc3_exynos_data *pdata = pdev->dev.platform_data;
121 185
122 platform_device_unregister(exynos->dwc3); 186 platform_device_unregister(exynos->dwc3);
187 platform_device_unregister(exynos->usb2_phy);
188 platform_device_unregister(exynos->usb3_phy);
123 189
124 dwc3_put_device_id(exynos->dwc3->id); 190 dwc3_put_device_id(exynos->dwc3->id);
125 191