mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-27 17:18:59 +00:00
81 lines
2.9 KiB
Diff
81 lines
2.9 KiB
Diff
From 10d7c018269928db8487057c4c143dbd014d2262 Mon Sep 17 00:00:00 2001
|
|
From: Hans de Goede <hdegoede@redhat.com>
|
|
Date: Tue, 21 Jan 2014 16:05:47 +0100
|
|
Subject: [PATCH] ohci-platform: Add support for controllers with big-endian
|
|
regs / descriptors
|
|
|
|
Note this commit uses the same devicetree booleans for this as the ones
|
|
already existing in the usb-ehci bindings, see:
|
|
Documentation/devicetree/bindings/usb/usb-ehci.txt
|
|
|
|
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
|
|
---
|
|
Documentation/devicetree/bindings/usb/usb-ohci.txt | 3 +++
|
|
drivers/usb/host/ohci-platform.c | 27 ++++++++++++++++++++++
|
|
2 files changed, 30 insertions(+)
|
|
|
|
diff --git a/Documentation/devicetree/bindings/usb/usb-ohci.txt b/Documentation/devicetree/bindings/usb/usb-ohci.txt
|
|
index 6ba38d9..6933b0c 100644
|
|
--- a/Documentation/devicetree/bindings/usb/usb-ohci.txt
|
|
+++ b/Documentation/devicetree/bindings/usb/usb-ohci.txt
|
|
@@ -6,6 +6,9 @@ Required properties:
|
|
- interrupts : ohci controller interrupt
|
|
|
|
Optional properties:
|
|
+- big-endian-regs : boolean, set this for hcds with big-endian registers
|
|
+- big-endian-desc : boolean, set this for hcds with big-endian descriptors
|
|
+- big-endian : boolean, for hcds with big-endian-regs + big-endian-desc
|
|
- clocks : a list of phandle + clock specifier pairs
|
|
- phys : phandle + phy specifier pair
|
|
- phy-names : "usb"
|
|
diff --git a/drivers/usb/host/ohci-platform.c b/drivers/usb/host/ohci-platform.c
|
|
index 49304dd..e2c28fd 100644
|
|
--- a/drivers/usb/host/ohci-platform.c
|
|
+++ b/drivers/usb/host/ohci-platform.c
|
|
@@ -128,6 +128,7 @@ static int ohci_platform_probe(struct platform_device *dev)
|
|
struct resource *res_mem;
|
|
struct usb_ohci_pdata *pdata = dev_get_platdata(&dev->dev);
|
|
struct ohci_platform_priv *priv;
|
|
+ struct ohci_hcd *ohci;
|
|
int err, irq, clk = 0;
|
|
|
|
if (usb_disabled())
|
|
@@ -164,8 +165,34 @@ static int ohci_platform_probe(struct platform_device *dev)
|
|
platform_set_drvdata(dev, hcd);
|
|
dev->dev.platform_data = pdata;
|
|
priv = hcd_to_ohci_priv(hcd);
|
|
+ ohci = hcd_to_ohci(hcd);
|
|
|
|
if (pdata == &ohci_platform_defaults && dev->dev.of_node) {
|
|
+ if (of_property_read_bool(dev->dev.of_node, "big-endian-regs"))
|
|
+ ohci->flags |= OHCI_QUIRK_BE_MMIO;
|
|
+
|
|
+ if (of_property_read_bool(dev->dev.of_node, "big-endian-desc"))
|
|
+ ohci->flags |= OHCI_QUIRK_BE_DESC;
|
|
+
|
|
+ if (of_property_read_bool(dev->dev.of_node, "big-endian"))
|
|
+ ohci->flags |= OHCI_QUIRK_BE_MMIO | OHCI_QUIRK_BE_DESC;
|
|
+
|
|
+#ifndef CONFIG_USB_OHCI_BIG_ENDIAN_MMIO
|
|
+ if (ohci->flags & OHCI_QUIRK_BE_MMIO) {
|
|
+ dev_err(&dev->dev,
|
|
+ "Error big-endian-regs not compiled in\n");
|
|
+ err = -EINVAL;
|
|
+ goto err_put_hcd;
|
|
+ }
|
|
+#endif
|
|
+#ifndef CONFIG_USB_OHCI_BIG_ENDIAN_DESC
|
|
+ if (ohci->flags & OHCI_QUIRK_BE_DESC) {
|
|
+ dev_err(&dev->dev,
|
|
+ "Error big-endian-desc not compiled in\n");
|
|
+ err = -EINVAL;
|
|
+ goto err_put_hcd;
|
|
+ }
|
|
+#endif
|
|
priv->phy = devm_phy_get(&dev->dev, "usb");
|
|
if (IS_ERR(priv->phy)) {
|
|
err = PTR_ERR(priv->phy);
|
|
--
|
|
1.8.5.5
|
|
|