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-rw-r--r--target/linux/ramips/patches-3.9/0161-USB-add-OHCI-EHCI-OF-binding.patch245
1 files changed, 245 insertions, 0 deletions
diff --git a/target/linux/ramips/patches-3.9/0161-USB-add-OHCI-EHCI-OF-binding.patch b/target/linux/ramips/patches-3.9/0161-USB-add-OHCI-EHCI-OF-binding.patch
new file mode 100644
index 0000000000..abb1171391
--- /dev/null
+++ b/target/linux/ramips/patches-3.9/0161-USB-add-OHCI-EHCI-OF-binding.patch
@@ -0,0 +1,245 @@
+From 9a15efea2e55327cf7c813da64589509f9c40786 Mon Sep 17 00:00:00 2001
+From: John Crispin <blogic@openwrt.org>
+Date: Thu, 16 May 2013 23:11:45 +0200
+Subject: [PATCH 161/164] USB: add OHCI/EHCI OF binding
+
+based on f3bc64d6d1f21c1b92d75f233a37b75d77af6963
+
+Signed-off-by: John Crispin <blogic@openwrt.org>
+---
+ arch/mips/ralink/Kconfig | 2 ++
+ drivers/usb/Makefile | 3 ++-
+ drivers/usb/host/ehci-platform.c | 44 ++++++++++++++++++++++++++++++++------
+ drivers/usb/host/ohci-platform.c | 37 +++++++++++++++++++++++++++-----
+ 4 files changed, 74 insertions(+), 12 deletions(-)
+
+diff --git a/arch/mips/ralink/Kconfig b/arch/mips/ralink/Kconfig
+index c8d5b6c..7cd1188 100644
+--- a/arch/mips/ralink/Kconfig
++++ b/arch/mips/ralink/Kconfig
+@@ -27,6 +27,8 @@ choice
+ bool "MT7620"
+ select CLKEVT_RT3352
+ select HW_HAS_PCI
++ select USB_ARCH_HAS_OHCI
++ select USB_ARCH_HAS_EHCI
+
+ endchoice
+
+diff --git a/drivers/usb/Makefile b/drivers/usb/Makefile
+index 8f5ebce..b766256 100644
+--- a/drivers/usb/Makefile
++++ b/drivers/usb/Makefile
+@@ -12,6 +12,8 @@ obj-$(CONFIG_USB_DWC3) += dwc3/
+
+ obj-$(CONFIG_USB_MON) += mon/
+
++obj-$(CONFIG_USB_OTG_UTILS) += phy/
++
+ obj-$(CONFIG_PCI) += host/
+ obj-$(CONFIG_USB_EHCI_HCD) += host/
+ obj-$(CONFIG_USB_ISP116X_HCD) += host/
+@@ -46,7 +48,6 @@ obj-$(CONFIG_USB_MICROTEK) += image/
+ obj-$(CONFIG_USB_SERIAL) += serial/
+
+ obj-$(CONFIG_USB) += misc/
+-obj-$(CONFIG_USB_OTG_UTILS) += phy/
+ obj-$(CONFIG_EARLY_PRINTK_DBGP) += early/
+
+ obj-$(CONFIG_USB_ATM) += atm/
+diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c
+index ca75063..ae32410 100644
+--- a/drivers/usb/host/ehci-platform.c
++++ b/drivers/usb/host/ehci-platform.c
+@@ -18,14 +18,18 @@
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
++#include <linux/dma-mapping.h>
+ #include <linux/err.h>
+ #include <linux/kernel.h>
+ #include <linux/hrtimer.h>
+ #include <linux/io.h>
+ #include <linux/module.h>
++#include <linux/of.h>
+ #include <linux/platform_device.h>
+ #include <linux/usb.h>
+ #include <linux/usb/hcd.h>
++#include <linux/usb/otg.h>
++#include <linux/usb/phy.h>
+ #include <linux/usb/ehci_pdriver.h>
+
+ #include "ehci.h"
+@@ -62,22 +66,32 @@ static const struct ehci_driver_overrides platform_overrides __initdata = {
+ .reset = ehci_platform_reset,
+ };
+
++static struct usb_ehci_pdata ehci_platform_defaults;
++
+ static int ehci_platform_probe(struct platform_device *dev)
+ {
+ struct usb_hcd *hcd;
+ struct resource *res_mem;
+- struct usb_ehci_pdata *pdata = dev->dev.platform_data;
++ struct usb_ehci_pdata *pdata;
+ int irq;
+ int err = -ENOMEM;
+
+- if (!pdata) {
+- WARN_ON(1);
+- return -ENODEV;
+- }
+-
+ if (usb_disabled())
+ 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 = &ehci_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;
++
+ irq = platform_get_irq(dev, 0);
+ if (irq < 0) {
+ dev_err(&dev->dev, "no irq provided");
+@@ -105,6 +119,15 @@ static int ehci_platform_probe(struct platform_device *dev)
+ hcd->rsrc_start = res_mem->start;
+ hcd->rsrc_len = resource_size(res_mem);
+
++#ifdef CONFIG_USB_OTG_UTILS
++ 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);
+@@ -139,6 +162,9 @@ static int ehci_platform_remove(struct platform_device *dev)
+ if (pdata->power_off)
+ pdata->power_off(dev);
+
++ if (pdata == &ehci_platform_defaults)
++ dev->dev.platform_data = NULL;
++
+ return 0;
+ }
+
+@@ -183,6 +209,11 @@ static int ehci_platform_resume(struct device *dev)
+ #define ehci_platform_resume NULL
+ #endif /* CONFIG_PM */
+
++static const struct of_device_id ralink_ehci_ids[] = {
++ { .compatible = "ralink,rt3xxx-ehci", },
++ {}
++};
++
+ static const struct platform_device_id ehci_platform_table[] = {
+ { "ehci-platform", 0 },
+ { }
+@@ -203,6 +234,7 @@ static struct platform_driver ehci_platform_driver = {
+ .owner = THIS_MODULE,
+ .name = "ehci-platform",
+ .pm = &ehci_platform_pm_ops,
++ .of_match_table = of_match_ptr(ralink_ehci_ids),
+ }
+ };
+
+diff --git a/drivers/usb/host/ohci-platform.c b/drivers/usb/host/ohci-platform.c
+index c3e7287..dd9bac6 100644
+--- a/drivers/usb/host/ohci-platform.c
++++ b/drivers/usb/host/ohci-platform.c
+@@ -16,6 +16,10 @@
+ #include <linux/err.h>
+ #include <linux/platform_device.h>
+ #include <linux/usb/ohci_pdriver.h>
++#include <linux/dma-mapping.h>
++#include <linux/of.h>
++
++static struct usb_ohci_pdata ohci_platform_defaults;
+
+ static int ohci_platform_reset(struct usb_hcd *hcd)
+ {
+@@ -88,14 +92,22 @@ static int ohci_platform_probe(struct platform_device *dev)
+ {
+ struct usb_hcd *hcd;
+ struct resource *res_mem;
+- struct usb_ohci_pdata *pdata = dev->dev.platform_data;
++ struct usb_ohci_pdata *pdata;
+ 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;
+@@ -128,6 +140,12 @@ static int ohci_platform_probe(struct platform_device *dev)
+ hcd->rsrc_start = res_mem->start;
+ hcd->rsrc_len = resource_size(res_mem);
+
++#ifdef CONFIG_USB_OTG_UTILS
++ 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);
+@@ -162,6 +180,9 @@ static int ohci_platform_remove(struct platform_device *dev)
+ if (pdata->power_off)
+ pdata->power_off(dev);
+
++ if (pdata == &ohci_platform_defaults)
++ dev->dev.platform_data = NULL;
++
+ return 0;
+ }
+
+@@ -201,6 +222,11 @@ static int ohci_platform_resume(struct device *dev)
+ #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 },
+ { }
+@@ -221,5 +247,6 @@ static struct platform_driver ohci_platform_driver = {
+ .owner = THIS_MODULE,
+ .name = "ohci-platform",
+ .pm = &ohci_platform_pm_ops,
++ .of_match_table = of_match_ptr(ralink_ohci_ids),
+ }
+ };
+--
+1.7.10.4
+