[PATCH v2 11/13] usb: mtu3: add support ip-sleep wakeup for MT8192
From: Chunfeng Yun <chunfeng.yun@mediatek.com>
Date: 2021-03-23 07:04:21
Also in:
linux-devicetree, linux-mediatek, linux-usb, lkml
Subsystem:
mediatek usb3 drd ip driver, the rest, usb subsystem · Maintainers:
Chunfeng Yun, Linus Torvalds, Greg Kroah-Hartman
Add add support ip-sleep wakeup for MT8192, it's a specific revision, not following IPM rule. Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com> --- v2: 1. fix typo suggested by Sergei 2. modify revision format --- drivers/usb/mtu3/mtu3_host.c | 10 ++++++++++ 1 file changed, 10 insertions(+)
diff --git a/drivers/usb/mtu3/mtu3_host.c b/drivers/usb/mtu3/mtu3_host.c
index 398ce0014606..e3c923e6529f 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_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;
--
2.18.0
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