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usb: mtu3: add support remote wakeup of mt8196

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There are three USB controllers on mt8196, each controller's wakeup
control is different, add some specific versions for them.

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://patch.msgid.link/20260413121727.4702-2-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Chunfeng Yun
2026-04-13 20:17:26 +08:00
committed by Greg Kroah-Hartman
parent 0cde051e54
commit b106bebc8d
1 changed files with 26 additions and 0 deletions
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26
drivers/usb/mtu3/mtu3_host.c
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@@ -46,6 +46,14 @@
#define WC1_IS_P_95 BIT(12)
#define WC1_IS_EN_P0_95 BIT(6)
/* mt8196 */
#define PERI_WK_CTRL0_8196 0x08
#define WC0_IS_EN_P0_96 BIT(0)
#define WC0_IS_EN_P1_96 BIT(7)
#define PERI_WK_CTRL1_8196 0x10
#define WC1_IS_EN_P2_96 BIT(0)
/* mt2712 etc */
#define PERI_SSUSB_SPM_CTRL 0x0
#define SSC_IP_SLEEP_EN BIT(4)
@@ -59,6 +67,9 @@ enum ssusb_uwk_vers {
SSUSB_UWK_V1_3, /* mt8195 IP0 */
SSUSB_UWK_V1_5 = 105, /* mt8195 IP2 */
SSUSB_UWK_V1_6, /* mt8195 IP3 */
SSUSB_UWK_V1_7, /* mt8196 IP0 */
SSUSB_UWK_V1_8, /* mt8196 IP1 */
SSUSB_UWK_V1_9, /* mt8196 IP2 */
};
/*
@@ -100,6 +111,21 @@ static void ssusb_wakeup_ip_sleep_set(struct ssusb_mtk *ssusb, bool enable)
msk = WC0_IS_EN_P3_95 | WC0_IS_C_95(0x7) | WC0_IS_P_95;
val = enable ? (WC0_IS_EN_P3_95 | WC0_IS_C_95(0x1)) : 0;
break;
case SSUSB_UWK_V1_7:
reg = ssusb->uwk_reg_base + PERI_WK_CTRL0_8196;
msk = WC0_IS_EN_P0_96;
val = enable ? msk : 0;
break;
case SSUSB_UWK_V1_8:
reg = ssusb->uwk_reg_base + PERI_WK_CTRL0_8196;
msk = WC0_IS_EN_P1_96;
val = enable ? msk : 0;
break;
case SSUSB_UWK_V1_9:
reg = ssusb->uwk_reg_base + PERI_WK_CTRL1_8196;
msk = WC1_IS_EN_P2_96;
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;