diff options
Diffstat (limited to 'target/linux/bcm53xx/patches-4.4/082-0001-USB-bcma-initialize-Northstar-USB-3.0-controller.patch')
| -rw-r--r-- | target/linux/bcm53xx/patches-4.4/082-0001-USB-bcma-initialize-Northstar-USB-3.0-controller.patch | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/target/linux/bcm53xx/patches-4.4/082-0001-USB-bcma-initialize-Northstar-USB-3.0-controller.patch b/target/linux/bcm53xx/patches-4.4/082-0001-USB-bcma-initialize-Northstar-USB-3.0-controller.patch new file mode 100644 index 0000000000..a1075b3a43 --- /dev/null +++ b/target/linux/bcm53xx/patches-4.4/082-0001-USB-bcma-initialize-Northstar-USB-3.0-controller.patch @@ -0,0 +1,67 @@ +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); |