diff mbox series

[11/13] usb: mtu3: add support ip-sleep wakeup for MT8192

Message ID 1616382832-28450-11-git-send-email-chunfeng.yun@mediatek.com (mailing list archive)
State New
Headers show
Series [01/13] dt-bindings: usb: mtk-xhci: support property usb2-lpm-disable | expand

Commit Message

Chunfeng Yun March 22, 2021, 3:13 a.m. UTC
Add add support ip-sleep wakeup for MT8192, it's a specific
revision, not follow IP rule.

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
---
 drivers/usb/mtu3/mtu3_host.c | 10 ++++++++++
 1 file changed, 10 insertions(+)
diff mbox series

Patch

diff --git a/drivers/usb/mtu3/mtu3_host.c b/drivers/usb/mtu3/mtu3_host.c
index e35b17e5f58e..601656f436a1 100644
--- a/drivers/usb/mtu3/mtu3_host.c
+++ b/drivers/usb/mtu3/mtu3_host.c
@@ -30,6 +30,10 @@ 
 #define WC0_IS_P	BIT(12)	/* polarity */
 #define WC0_IS_EN	BIT(6)
 
+/* mt8192 */
+#define WC0_SSUSB0_CDEN		BIT(6)
+#define WC0_IS_SPM_EN		BIT(1)
+
 /* mt2712 etc */
 #define PERI_SSUSB_SPM_CTRL	0x0
 #define SSC_IP_SLEEP_EN	BIT(4)
@@ -39,6 +43,7 @@  enum ssusb_uwk_vers {
 	SSUSB_UWK_V1 = 1,
 	SSUSB_UWK_V2,
 	SSUSB_UWK_V11 = 11,	/* specific revision 1.1 */
+	SSUSB_UWK_V12,		/* specific revision 1.2 */
 };
 
 /*
@@ -60,6 +65,11 @@  static void ssusb_wakeup_ip_sleep_set(struct ssusb_mtk *ssusb, bool enable)
 		msk = WC0_IS_EN | WC0_IS_C(0xf) | WC0_IS_P;
 		val = enable ? (WC0_IS_EN | WC0_IS_C(0x8)) : 0;
 		break;
+	case SSUSB_UWK_V12:
+		reg = ssusb->uwk_reg_base + PERI_WK_CTRL0;
+		msk = WC0_SSUSB0_CDEN | WC0_IS_SPM_EN;
+		val = enable ? msk : 0;
+		break;
 	case SSUSB_UWK_V2:
 		reg = ssusb->uwk_reg_base + PERI_SSUSB_SPM_CTRL;
 		msk = SSC_IP_SLEEP_EN | SSC_SPM_INT_EN;