Commit a099d368 authored by Chunfeng Yun's avatar Chunfeng Yun Committed by Greg Kroah-Hartman
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usb: mtu3: add support ip-sleep wakeup for MT8192 



Add add support ip-sleep wakeup for MT8192, it's a specific
revision, not following IPM rule.

Signed-off-by: default avatarChunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/1616482975-17841-11-git-send-email-chunfeng.yun@mediatek.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent b1a34458

drivers/usb/mtu3/mtu3_host.c

+10 −0
Original line number Diff line number Diff line
@@ -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_V1_1 = 101,	/* specific revision 1.01 */

	SSUSB_UWK_V1_2,		/* specific revision 1.02 */

};



/*
@@ -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_V1_2:

		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;