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 (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 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

Sergei Shtylyov March 22, 2021, 8:58 a.m. UTC | #1
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?

[...]

MBR, Sergei
Chunfeng Yun March 23, 2021, 2:39 a.m. UTC | #2
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;