67 lines
2 KiB
Diff
67 lines
2 KiB
Diff
From 3cc7e7b7872ebd0f200b5450f5471bc3700de141 Mon Sep 17 00:00:00 2001
|
|
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
|
|
Date: Fri, 8 Jul 2016 14:02:50 +0200
|
|
Subject: [PATCH] USB: bcma: initialize Northstar USB 3.0 controller
|
|
MIME-Version: 1.0
|
|
Content-Type: text/plain; charset=UTF-8
|
|
Content-Transfer-Encoding: 8bit
|
|
|
|
It's a rather simple controller, we just need to make sure USB is
|
|
powered (using GPIO pin) and reset bus core. Once this is done it's
|
|
safe to register XHCI controller and let it init PHY and do its magic.
|
|
|
|
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
|
|
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
|
|
---
|
|
drivers/usb/host/bcma-hcd.c | 19 +++++++++++++++++++
|
|
1 file changed, 19 insertions(+)
|
|
|
|
--- a/drivers/usb/host/bcma-hcd.c
|
|
+++ b/drivers/usb/host/bcma-hcd.c
|
|
@@ -27,6 +27,7 @@
|
|
#include <linux/slab.h>
|
|
#include <linux/of.h>
|
|
#include <linux/of_gpio.h>
|
|
+#include <linux/of_platform.h>
|
|
#include <linux/usb/ehci_pdriver.h>
|
|
#include <linux/usb/ohci_pdriver.h>
|
|
|
|
@@ -338,6 +339,18 @@ err_unregister_ohci_dev:
|
|
return err;
|
|
}
|
|
|
|
+static int bcma_hcd_usb30_init(struct bcma_hcd_device *bcma_hcd)
|
|
+{
|
|
+ struct bcma_device *core = bcma_hcd->core;
|
|
+ struct device *dev = &core->dev;
|
|
+
|
|
+ bcma_core_enable(core, 0);
|
|
+
|
|
+ of_platform_default_populate(dev->of_node, NULL, dev);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
static int bcma_hcd_probe(struct bcma_device *core)
|
|
{
|
|
int err;
|
|
@@ -362,6 +375,11 @@ static int bcma_hcd_probe(struct bcma_de
|
|
if (err)
|
|
return err;
|
|
break;
|
|
+ case BCMA_CORE_NS_USB30:
|
|
+ err = bcma_hcd_usb30_init(usb_dev);
|
|
+ if (err)
|
|
+ return err;
|
|
+ break;
|
|
default:
|
|
return -ENODEV;
|
|
}
|
|
@@ -416,6 +434,7 @@ static int bcma_hcd_resume(struct bcma_d
|
|
static const struct bcma_device_id bcma_hcd_table[] = {
|
|
BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_USB20_HOST, BCMA_ANY_REV, BCMA_ANY_CLASS),
|
|
BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_NS_USB20, BCMA_ANY_REV, BCMA_ANY_CLASS),
|
|
+ BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_NS_USB30, BCMA_ANY_REV, BCMA_ANY_CLASS),
|
|
{},
|
|
};
|
|
MODULE_DEVICE_TABLE(bcma, bcma_hcd_table);
|