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Message-ID: <1608629682-8535-2-git-send-email-chunfeng.yun@mediatek.com>
Date:   Tue, 22 Dec 2020 17:34:39 +0800
From:   Chunfeng Yun <chunfeng.yun@...iatek.com>
To:     Ikjoon Jang <ikjn@...omium.org>
CC:     Chunfeng Yun <chunfeng.yun@...iatek.com>,
        Tianping Fang <tianping.fang@...iatek.com>,
        Zhanyong Wang <zhangyong.wang@...iatek.com>,
        <linux-mediatek@...ts.infradead.org>, <linux-usb@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        Zhanyong Wang <zhanyong.wang@...iatek.com>
Subject: [RFC PATCH v3 2/5] usb: xhci-mtk: add mt8192 wakeup

From: Zhanyong Wang <zhanyong.wang@...iatek.com>

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

Signed-off-by: Zhanyong Wang <zhanyong.wang@...iatek.com>
Signed-off-by: Chunfeng Yun <chunfeng.yun@...iatek.com>
---
v2~v3: 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 --git a/drivers/usb/host/xhci-mtk.c b/drivers/usb/host/xhci-mtk.c
old mode 100644
new mode 100755
index 8f321f39ab96..565ce4c16206
--- 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;
 	}
-- 
2.18.0

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