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

[Huang Rui]

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

Signed-off-by: Huang Rui <ray.huang@xxxxxxx>
---
 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

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