diff mbox series

[RFC,v2,2/4] usb: xhci-mtk: add mt8192 wakeup

Message ID 1599207340-4673-2-git-send-email-chunfeng.yun@mediatek.com (mailing list archive)
State New, archived
Headers show
Series [RFC,v2,1/4] usb: xhci-mtk: improve bandwidth scheduling with multi-TT | expand

Commit Message

Chunfeng Yun (云春峰) Sept. 4, 2020, 8:15 a.m. UTC 
From: Zhanyong Wang <zhanyong.wang@mediatek.com>

need to add wakeup solution as V3
since not support presently.

Signed-off-by: Zhanyong Wang <zhanyong.wang@mediatek.com>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
---
v2: no changes
---
 drivers/usb/host/xhci-mtk.c | 9 +++++++++
 1 file changed, 9 insertions(+)
 mode change 100644 => 100755 drivers/usb/host/xhci-mtk.c
diff mbox series

Patch

diff --git a/drivers/usb/host/xhci-mtk.c b/drivers/usb/host/xhci-mtk.c
old mode 100644
new mode 100755
index 4311d4c..d95221f
--- a/drivers/usb/host/xhci-mtk.c
+++ b/drivers/usb/host/xhci-mtk.c
@@ -68,9 +68,13 @@ 
 #define SSC_IP_SLEEP_EN	BIT(4)
 #define SSC_SPM_INT_EN		BIT(1)
 
+/* mt8192 etc */
+#define SSC_IP_SLEEP_EN_V3	BIT(6)
+
 enum ssusb_uwk_vers {
 	SSUSB_UWK_V1 = 1,
 	SSUSB_UWK_V2,
+	SSUSB_UWK_V3,
 };
 
 static int xhci_mtk_host_enable(struct xhci_hcd_mtk *mtk)
@@ -305,6 +309,11 @@  static void usb_wakeup_ip_sleep_set(struct xhci_hcd_mtk *mtk, bool enable)
 		msk = SSC_IP_SLEEP_EN | SSC_SPM_INT_EN;
 		val = enable ? msk : 0;
 		break;
+	case SSUSB_UWK_V3:
+		reg = mtk->uwk_reg_base + PERI_SSUSB_SPM_CTRL;
+		msk = SSC_IP_SLEEP_EN_V3 | SSC_SPM_INT_EN;
+		val = enable ? msk : 0;
+		break;
 	default:
 		return;
 	}