[PATCH v2 16/16] usb: dwc3: enable usb suspend phy

Huang Rui
2014-10-17T09:15:27Z

AMD NL needs to suspend usb3 ss phy, but this doesn't enable on simulation
board.

Signed-off-by: Huang Rui <ray.huang@amd.com>
---
drivers/usb/dwc3/core.c | 7 ++++++-
drivers/usb/dwc3/dwc3-pci.c | 3 ++-
drivers/usb/dwc3/platform_data.h | 1 +
3 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 3ccfe41..4a98696 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -395,6 +395,9 @@ static void dwc3_phy_setup(struct dwc3 *dwc)
if (dwc->quirks & DWC3_QUIRK_TX_DEEPH)
reg |= DWC3_GUSB3PIPECTL_TX_DEEPH(1);

+ if (dwc->quirks & DWC3_QUIRK_SUSPHY)
+ reg |= DWC3_GUSB3PIPECTL_SUSPHY;
+
dwc3_writel(dwc->regs, DWC3_GUSB3PIPECTL(0), reg);

mdelay(100);
@@ -496,8 +499,10 @@ static int dwc3_core_init(struct dwc3 *dwc)
dwc->is_fpga = true;
}

- if ((dwc->quirks & DWC3_QUIRK_AMD_NL) && dwc->is_fpga)
+ if ((dwc->quirks & DWC3_QUIRK_AMD_NL) && dwc->is_fpga) {
dwc->quirks |= DWC3_QUIRK_DISSCRAMBLE;
+ dwc->quirks &= ~DWC3_QUIRK_SUSPHY;
+ }

if (dwc->quirks & DWC3_QUIRK_DISSCRAMBLE)
reg |= DWC3_GCTL_DISSCRAMBLE;
diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c
index 146eb2f..71401a3 100644
--- a/drivers/usb/dwc3/dwc3-pci.c
+++ b/drivers/usb/dwc3/dwc3-pci.c
@@ -157,7 +157,8 @@ static int dwc3_pci_probe(struct pci_dev *pci,
| DWC3_QUIRK_DEPOCHANGE
| DWC3_QUIRK_LFPSFILT
| DWC3_QUIRK_RX_DETOPOLL
- | DWC3_QUIRK_TX_DEEPH;
+ | DWC3_QUIRK_TX_DEEPH
+ | DWC3_QUIRK_SUSPHY;
}

ret = platform_device_add_resources(dwc3, res, ARRAY_SIZE(res));
diff --git a/drivers/usb/dwc3/platform_data.h b/drivers/usb/dwc3/platform_data.h
index 54f0e45..f68cd97 100644
--- a/drivers/usb/dwc3/platform_data.h
+++ b/drivers/usb/dwc3/platform_data.h
@@ -38,5 +38,6 @@ struct dwc3_platform_data {
#define DWC3_QUIRK_LFPSFILT (1 << 7)
#define DWC3_QUIRK_RX_DETOPOLL (1 << 8)
#define DWC3_QUIRK_TX_DEEPH (1 << 9)
+#define DWC3_QUIRK_SUSPHY (1 << 10)

};
--
1.9.1