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Message-Id: <1541453493-34981-5-git-send-email-alcooperx@gmail.com>
Date: Mon, 5 Nov 2018 16:31:31 -0500
From: Al Cooper <alcooperx@...il.com>
To: linux-kernel@...r.kernel.org
Cc: Al Cooper <alcooperx@...il.com>,
Alan Stern <stern@...land.harvard.edu>,
Alban Bedel <albeu@...e.fr>, Alex Elder <elder@...aro.org>,
Andrew Morton <akpm@...ux-foundation.org>,
Arnd Bergmann <arnd@...db.de>,
Avi Fishman <avifishman70@...il.com>,
bcm-kernel-feedback-list@...adcom.com,
Bjorn Andersson <bjorn.andersson@...aro.org>,
Chunfeng Yun <chunfeng.yun@...iatek.com>,
"David S. Miller" <davem@...emloft.net>,
devicetree@...r.kernel.org, Dmitry Osipenko <digetx@...il.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
"Gustavo A. R. Silva" <gustavo@...eddedor.com>,
Hans de Goede <hdegoede@...hat.com>,
James Hogan <jhogan@...nel.org>,
Jianguo Sun <sunjianguo1@...wei.com>,
Johan Hovold <johan@...nel.org>,
Kees Cook <keescook@...omium.org>, linux-usb@...r.kernel.org,
Lu Baolu <baolu.lu@...ux.intel.com>,
Mark Rutland <mark.rutland@....com>,
Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
Mathias Nyman <mathias.nyman@...el.com>,
Mathias Nyman <mathias.nyman@...ux.intel.com>,
Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
Rishabh Bhatnagar <rishabhb@...eaurora.org>,
Rob Herring <robh+dt@...nel.org>, Roger Quadros <rogerq@...com>
Subject: [PATCH V3 4/6] usb: ohci-platform: Add support for Broadcom STB SoC's
Add support for Broadcom STB SoC's to the ohci platform driver.
Signed-off-by: Al Cooper <alcooperx@...il.com>
---
drivers/usb/host/ohci-platform.c | 34 ++++++++++++++++++++++++++++------
include/linux/usb/ohci_pdriver.h | 1 +
2 files changed, 29 insertions(+), 6 deletions(-)
diff --git a/drivers/usb/host/ohci-platform.c b/drivers/usb/host/ohci-platform.c
index 65a1c3fdc88c..f425168238e6 100644
--- a/drivers/usb/host/ohci-platform.c
+++ b/drivers/usb/host/ohci-platform.c
@@ -22,6 +22,7 @@
#include <linux/module.h>
#include <linux/err.h>
#include <linux/of.h>
+#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include <linux/reset.h>
@@ -99,12 +100,23 @@ static int ohci_platform_probe(struct platform_device *dev)
if (usb_disabled())
return -ENODEV;
- /*
- * Use reasonable defaults so platforms don't have to provide these
- * with DT probing on ARM.
- */
- if (!pdata)
- pdata = &ohci_platform_defaults;
+ if (!pdata) {
+ const struct usb_ohci_pdata *match_pdata;
+
+ match_pdata = of_device_get_match_data(&dev->dev);
+ if (match_pdata) {
+ pdata = devm_kmemdup(&dev->dev, match_pdata,
+ sizeof(*pdata), GFP_KERNEL);
+ if (!pdata)
+ return -ENOMEM;
+ } else {
+ /*
+ * Use reasonable defaults so platforms don't have
+ * to provide these with DT probing on ARM.
+ */
+ pdata = &ohci_platform_defaults;
+ }
+ }
err = dma_coerce_mask_and_coherent(&dev->dev, DMA_BIT_MASK(32));
if (err)
@@ -177,6 +189,8 @@ static int ohci_platform_probe(struct platform_device *dev)
ohci->flags |= OHCI_QUIRK_FRAME_NO;
if (pdata->num_ports)
ohci->num_ports = pdata->num_ports;
+ if (pdata->suspend_without_phy_exit)
+ hcd->suspend_without_phy_exit = 1;
#ifndef CONFIG_USB_OHCI_BIG_ENDIAN_MMIO
if (ohci->flags & OHCI_QUIRK_BE_MMIO) {
@@ -305,10 +319,18 @@ static int ohci_platform_resume(struct device *dev)
}
#endif /* CONFIG_PM_SLEEP */
+static const struct usb_ohci_pdata ohci_plat_brcm_bcm7445_ohci = {
+ .power_on = ohci_platform_power_on,
+ .power_suspend = ohci_platform_power_off,
+ .power_off = ohci_platform_power_off,
+ .suspend_without_phy_exit = 1,
+};
+
static const struct of_device_id ohci_platform_ids[] = {
{ .compatible = "generic-ohci", },
{ .compatible = "cavium,octeon-6335-ohci", },
{ .compatible = "ti,ohci-omap3", },
+ { .compatible = "brcm,bcm7445-ohci", &ohci_plat_brcm_bcm7445_ohci},
{ }
};
MODULE_DEVICE_TABLE(of, ohci_platform_ids);
diff --git a/include/linux/usb/ohci_pdriver.h b/include/linux/usb/ohci_pdriver.h
index 7eb16cf587ee..16b24ea1e3bb 100644
--- a/include/linux/usb/ohci_pdriver.h
+++ b/include/linux/usb/ohci_pdriver.h
@@ -35,6 +35,7 @@ struct usb_ohci_pdata {
unsigned big_endian_desc:1;
unsigned big_endian_mmio:1;
unsigned no_big_frame_no:1;
+ unsigned suspend_without_phy_exit:1;
unsigned int num_ports;
/* Turn on all power and clocks */
--
1.9.0.138.g2de3478
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