diff mbox series

[07/13] usb: xhci-mtk: add support ip-sleep wakeup for mT8192

Message ID 1616382832-28450-7-git-send-email-chunfeng.yun@mediatek.com
State New
Headers show
Series [01/13] dt-bindings: usb: mtk-xhci: support property usb2-lpm-disable | expand

Commit Message

Chunfeng Yun (云春峰) March 22, 2021, 3:13 a.m. UTC
Add support ip-sleep wakeup for mT8192, it's a specific revision,
and not follow IPM rule.

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
---
 drivers/usb/host/xhci-mtk.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

Comments

Chunfeng Yun (云春峰) March 23, 2021, 2:39 a.m. UTC | #1
On Mon, 2021-03-22 at 11:58 +0300, Sergei Shtylyov wrote:
> On 22.03.2021 6:13, Chunfeng Yun wrote:

> 

> > Add support ip-sleep wakeup for mT8192, it's a specific revision,

>               ^ for

> 

> > and not follow IPM rule.

> 

>     Following?

> 

> > Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>

> > ---

> >   drivers/usb/host/xhci-mtk.c | 10 ++++++++++

> >   1 file changed, 10 insertions(+)

> > 

> > diff --git a/drivers/usb/host/xhci-mtk.c b/drivers/usb/host/xhci-mtk.c

> > index 8ba1f914cb75..1bfa28c9b5a2 100644

> > --- a/drivers/usb/host/xhci-mtk.c

> > +++ b/drivers/usb/host/xhci-mtk.c

> > @@ -70,6 +70,10 @@

> >   #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)

> > @@ -79,6 +83,7 @@ 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 */

> 

>     SSUSB_UWK_V1_2, maybe?

Ok, will do it, thanks a lot

> 

> [...]

> 

> MBR, Sergei
diff mbox series

Patch

diff --git a/drivers/usb/host/xhci-mtk.c b/drivers/usb/host/xhci-mtk.c
index 8ba1f914cb75..1bfa28c9b5a2 100644
--- a/drivers/usb/host/xhci-mtk.c
+++ b/drivers/usb/host/xhci-mtk.c
@@ -70,6 +70,10 @@ 
 #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)
@@ -79,6 +83,7 @@  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 */
 };
 
 static int xhci_mtk_host_enable(struct xhci_hcd_mtk *mtk)
@@ -313,6 +318,11 @@  static void usb_wakeup_ip_sleep_set(struct xhci_hcd_mtk *mtk, 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 = mtk->uwk_reg_base + PERI_WK_CTRL0;
+		msk = WC0_SSUSB0_CDEN | WC0_IS_SPM_EN;
+		val = enable ? msk : 0;
+		break;
 	case SSUSB_UWK_V2:
 		reg = mtk->uwk_reg_base + PERI_SSUSB_SPM_CTRL;
 		msk = SSC_IP_SLEEP_EN | SSC_SPM_INT_EN;