mirror of https://github.com/hak5/openwrt.git
184 lines
5.1 KiB
Diff
184 lines
5.1 KiB
Diff
From ffb27de4760595c356ef619c97f25722c8db28e7 Mon Sep 17 00:00:00 2001
|
|
From: John Crispin <blogic@openwrt.org>
|
|
Date: Sun, 27 Jul 2014 09:49:07 +0100
|
|
Subject: [PATCH 38/57] USB: add OHCI/EHCI OF binding
|
|
|
|
based on f3bc64d6d1f21c1b92d75f233a37b75d77af6963
|
|
|
|
Signed-off-by: John Crispin <blogic@openwrt.org>
|
|
---
|
|
drivers/usb/Makefile | 3 ++-
|
|
drivers/usb/host/ehci-platform.c | 21 +++++++++++++++++----
|
|
drivers/usb/host/ohci-platform.c | 37 +++++++++++++++++++++++++++++++------
|
|
3 files changed, 50 insertions(+), 11 deletions(-)
|
|
|
|
--- a/drivers/usb/Makefile
|
|
+++ b/drivers/usb/Makefile
|
|
@@ -11,6 +11,8 @@ obj-$(CONFIG_USB_DWC2) += dwc2/
|
|
|
|
obj-$(CONFIG_USB_MON) += mon/
|
|
|
|
+obj-$(CONFIG_USB_PHY) += phy/
|
|
+
|
|
obj-$(CONFIG_PCI) += host/
|
|
obj-$(CONFIG_USB_EHCI_HCD) += host/
|
|
obj-$(CONFIG_USB_ISP116X_HCD) += host/
|
|
@@ -41,7 +43,6 @@ obj-$(CONFIG_USB_TMC) += class/
|
|
obj-$(CONFIG_USB_STORAGE) += storage/
|
|
obj-$(CONFIG_USB) += storage/
|
|
|
|
-obj-$(CONFIG_USB_MDC800) += image/
|
|
obj-$(CONFIG_USB_MICROTEK) += image/
|
|
|
|
obj-$(CONFIG_USB_SERIAL) += serial/
|
|
--- a/drivers/usb/host/ehci-platform.c
|
|
+++ b/drivers/usb/host/ehci-platform.c
|
|
@@ -29,6 +29,8 @@
|
|
#include <linux/usb.h>
|
|
#include <linux/usb/hcd.h>
|
|
#include <linux/usb/ehci_pdriver.h>
|
|
+#include <linux/usb/phy.h>
|
|
+#include <linux/usb/otg.h>
|
|
|
|
#include "ehci.h"
|
|
|
|
@@ -124,6 +126,15 @@ static int ehci_platform_probe(struct pl
|
|
hcd->rsrc_start = res_mem->start;
|
|
hcd->rsrc_len = resource_size(res_mem);
|
|
|
|
+#ifdef CONFIG_USB_PHY
|
|
+ hcd->phy = devm_usb_get_phy(&dev->dev, USB_PHY_TYPE_USB2);
|
|
+ if (!IS_ERR_OR_NULL(hcd->phy)) {
|
|
+ otg_set_host(hcd->phy->otg,
|
|
+ &hcd->self);
|
|
+ usb_phy_init(hcd->phy);
|
|
+ }
|
|
+#endif
|
|
+
|
|
hcd->regs = devm_ioremap_resource(&dev->dev, res_mem);
|
|
if (IS_ERR(hcd->regs)) {
|
|
err = PTR_ERR(hcd->regs);
|
|
@@ -161,6 +172,9 @@ static int ehci_platform_remove(struct p
|
|
if (pdata == &ehci_platform_defaults)
|
|
dev->dev.platform_data = NULL;
|
|
|
|
+ if (pdata == &ehci_platform_defaults)
|
|
+ dev->dev.platform_data = NULL;
|
|
+
|
|
return 0;
|
|
}
|
|
|
|
@@ -205,9 +219,8 @@ static int ehci_platform_resume(struct d
|
|
#define ehci_platform_resume NULL
|
|
#endif /* CONFIG_PM */
|
|
|
|
-static const struct of_device_id vt8500_ehci_ids[] = {
|
|
- { .compatible = "via,vt8500-ehci", },
|
|
- { .compatible = "wm,prizm-ehci", },
|
|
+static const struct of_device_id ralink_ehci_ids[] = {
|
|
+ { .compatible = "ralink,rt3xxx-ehci", },
|
|
{}
|
|
};
|
|
|
|
@@ -231,7 +244,7 @@ static struct platform_driver ehci_platf
|
|
.owner = THIS_MODULE,
|
|
.name = "ehci-platform",
|
|
.pm = &ehci_platform_pm_ops,
|
|
- .of_match_table = vt8500_ehci_ids,
|
|
+ .of_match_table = ralink_ehci_ids,
|
|
}
|
|
};
|
|
|
|
--- a/drivers/usb/host/ohci-platform.c
|
|
+++ b/drivers/usb/host/ohci-platform.c
|
|
@@ -22,18 +22,22 @@
|
|
#include <linux/platform_device.h>
|
|
#include <linux/usb/ohci_pdriver.h>
|
|
#include <linux/usb.h>
|
|
+#include <linux/usb/phy.h>
|
|
#include <linux/usb/hcd.h>
|
|
+#include <linux/dma-mapping.h>
|
|
+#include <linux/of.h>
|
|
|
|
#include "ohci.h"
|
|
|
|
#define DRIVER_DESC "OHCI generic platform driver"
|
|
|
|
+static struct usb_ohci_pdata ohci_platform_defaults;
|
|
static const char hcd_name[] = "ohci-platform";
|
|
|
|
static int ohci_platform_reset(struct usb_hcd *hcd)
|
|
{
|
|
struct platform_device *pdev = to_platform_device(hcd->self.controller);
|
|
- struct usb_ohci_pdata *pdata = dev_get_platdata(&pdev->dev);
|
|
+ struct usb_ohci_pdata *pdata = dev_get_platdata(&pdev->dev);;
|
|
struct ohci_hcd *ohci = hcd_to_ohci(hcd);
|
|
|
|
if (pdata->big_endian_desc)
|
|
@@ -63,11 +67,18 @@ static int ohci_platform_probe(struct pl
|
|
int irq;
|
|
int err = -ENOMEM;
|
|
|
|
- if (!pdata) {
|
|
- WARN_ON(1);
|
|
- return -ENODEV;
|
|
- }
|
|
+ /*
|
|
+ * use reasonable defaults so platforms don't have to provide these.
|
|
+ * with DT probing on ARM, none of these are set.
|
|
+ */
|
|
+ if (!dev->dev.platform_data)
|
|
+ dev->dev.platform_data = &ohci_platform_defaults;
|
|
+ if (!dev->dev.dma_mask)
|
|
+ dev->dev.dma_mask = &dev->dev.coherent_dma_mask;
|
|
+ if (!dev->dev.coherent_dma_mask)
|
|
+ dev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
|
|
|
|
+ pdata = dev->dev.platform_data;
|
|
if (usb_disabled())
|
|
return -ENODEV;
|
|
|
|
@@ -99,6 +110,12 @@ static int ohci_platform_probe(struct pl
|
|
hcd->rsrc_start = res_mem->start;
|
|
hcd->rsrc_len = resource_size(res_mem);
|
|
|
|
+#ifdef CONFIG_USB_PHY
|
|
+ hcd->phy = devm_usb_get_phy(&dev->dev, USB_PHY_TYPE_USB2);
|
|
+ if (!IS_ERR_OR_NULL(hcd->phy))
|
|
+ usb_phy_init(hcd->phy);
|
|
+#endif
|
|
+
|
|
hcd->regs = devm_ioremap_resource(&dev->dev, res_mem);
|
|
if (IS_ERR(hcd->regs)) {
|
|
err = PTR_ERR(hcd->regs);
|
|
@@ -134,6 +151,9 @@ static int ohci_platform_remove(struct p
|
|
if (pdata->power_off)
|
|
pdata->power_off(dev);
|
|
|
|
+ if (pdata == &ohci_platform_defaults)
|
|
+ dev->dev.platform_data = NULL;
|
|
+
|
|
return 0;
|
|
}
|
|
|
|
@@ -180,6 +200,11 @@ static int ohci_platform_resume(struct d
|
|
#define ohci_platform_resume NULL
|
|
#endif /* CONFIG_PM */
|
|
|
|
+static const struct of_device_id ralink_ohci_ids[] = {
|
|
+ { .compatible = "ralink,rt3xxx-ohci", },
|
|
+ {}
|
|
+};
|
|
+
|
|
static const struct platform_device_id ohci_platform_table[] = {
|
|
{ "ohci-platform", 0 },
|
|
{ }
|
|
@@ -200,6 +225,7 @@ static struct platform_driver ohci_platf
|
|
.owner = THIS_MODULE,
|
|
.name = "ohci-platform",
|
|
.pm = &ohci_platform_pm_ops,
|
|
+ .of_match_table = of_match_ptr(ralink_ohci_ids),
|
|
}
|
|
};
|
|
|