diff mbox series

[01/13] dt-bindings: usb: mtk-xhci: support property usb2-lpm-disable

Message ID 1616382832-28450-1-git-send-email-chunfeng.yun@mediatek.com
State Superseded, archived
Headers show
Series [01/13] dt-bindings: usb: mtk-xhci: support property usb2-lpm-disable | expand

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Commit Message

Chunfeng Yun (云春峰) March 22, 2021, 3:13 a.m. UTC
Add support common property usb2-lpm-disable

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
---
 Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml | 4 ++++
 1 file changed, 4 insertions(+)

Comments

Sergei Shtylyov March 22, 2021, 8:54 a.m. UTC | #1
Hello!

On 22.03.2021 6:13, Chunfeng Yun wrote:

> Add support ip-sleep wakeup for MT8183, it's similar to MT8173,
              ^ for

> and it's also a specific one, but not follow IPM rule.

    Following?

> Due to the index 2 already used by many DTS, it's better to keep
> it unchanged for backward compatible, treat specific ones without

    Compatibility.

> following IPM rule as revision 1.x, meanwhile reserve 3~10 for
> later revision that follows the IPM rule.
> 
> Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
> ---
>   drivers/usb/host/xhci-mtk.c | 13 +++++++++++++
>   1 file changed, 13 insertions(+)
> 
> diff --git a/drivers/usb/host/xhci-mtk.c b/drivers/usb/host/xhci-mtk.c
> index 09f2ddbfe8b9..8ba1f914cb75 100644
> --- a/drivers/usb/host/xhci-mtk.c
> +++ b/drivers/usb/host/xhci-mtk.c
> @@ -57,12 +57,19 @@
>   #define CTRL_U2_FORCE_PLL_STB	BIT(28)
>   
>   /* usb remote wakeup registers in syscon */
> +
>   /* mt8173 etc */
>   #define PERI_WK_CTRL1	0x4
>   #define WC1_IS_C(x)	(((x) & 0xf) << 26)  /* cycle debounce */
>   #define WC1_IS_EN	BIT(25)
>   #define WC1_IS_P	BIT(6)  /* polarity for ip sleep */
>   
> +/* mt8183 */
> +#define PERI_WK_CTRL0	0x0
> +#define WC0_IS_C(x)	(((x) & 0xf) << 28)  /* cycle debounce */
> +#define WC0_IS_P	BIT(12)	/* polarity */
> +#define WC0_IS_EN	BIT(6)
> +
>   /* mt2712 etc */
>   #define PERI_SSUSB_SPM_CTRL	0x0
>   #define SSC_IP_SLEEP_EN	BIT(4)
> @@ -71,6 +78,7 @@
>   enum ssusb_uwk_vers {
>   	SSUSB_UWK_V1 = 1,
>   	SSUSB_UWK_V2,
> +	SSUSB_UWK_V11 = 11,	/* specific revision 1.1 */

    SSUSB_UWK_V1_1, maybe?

[...]

MBR, Sergei
Sergei Shtylyov March 22, 2021, 8:57 a.m. UTC | #2
Same comments as to the patch #6.

MBR, Sergei
Sergei Shtylyov March 22, 2021, 8:58 a.m. UTC | #3
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 (云春峰) March 23, 2021, 2:39 a.m. UTC | #4
On Mon, 2021-03-22 at 11:54 +0300, Sergei Shtylyov wrote:
> Hello!
> 
> On 22.03.2021 6:13, Chunfeng Yun wrote:
> 
> > Add support ip-sleep wakeup for MT8183, it's similar to MT8173,
>               ^ for
> 
> > and it's also a specific one, but not follow IPM rule.
> 
>     Following?
Ack
> 
> > Due to the index 2 already used by many DTS, it's better to keep
> > it unchanged for backward compatible, treat specific ones without
> 
>     Compatibility.
Ack
> 
> > following IPM rule as revision 1.x, meanwhile reserve 3~10 for
> > later revision that follows the IPM rule.
> > 
> > Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
> > ---
> >   drivers/usb/host/xhci-mtk.c | 13 +++++++++++++
> >   1 file changed, 13 insertions(+)
> > 
> > diff --git a/drivers/usb/host/xhci-mtk.c b/drivers/usb/host/xhci-mtk.c
> > index 09f2ddbfe8b9..8ba1f914cb75 100644
> > --- a/drivers/usb/host/xhci-mtk.c
> > +++ b/drivers/usb/host/xhci-mtk.c
> > @@ -57,12 +57,19 @@
> >   #define CTRL_U2_FORCE_PLL_STB	BIT(28)
> >   
> >   /* usb remote wakeup registers in syscon */
> > +
> >   /* mt8173 etc */
> >   #define PERI_WK_CTRL1	0x4
> >   #define WC1_IS_C(x)	(((x) & 0xf) << 26)  /* cycle debounce */
> >   #define WC1_IS_EN	BIT(25)
> >   #define WC1_IS_P	BIT(6)  /* polarity for ip sleep */
> >   
> > +/* mt8183 */
> > +#define PERI_WK_CTRL0	0x0
> > +#define WC0_IS_C(x)	(((x) & 0xf) << 28)  /* cycle debounce */
> > +#define WC0_IS_P	BIT(12)	/* polarity */
> > +#define WC0_IS_EN	BIT(6)
> > +
> >   /* mt2712 etc */
> >   #define PERI_SSUSB_SPM_CTRL	0x0
> >   #define SSC_IP_SLEEP_EN	BIT(4)
> > @@ -71,6 +78,7 @@
> >   enum ssusb_uwk_vers {
> >   	SSUSB_UWK_V1 = 1,
> >   	SSUSB_UWK_V2,
> > +	SSUSB_UWK_V11 = 11,	/* specific revision 1.1 */
> 
>     SSUSB_UWK_V1_1, maybe?
Good point, will modify it.

Thanks a lot

> 
> [...]
> 
> MBR, Sergei
Chunfeng Yun (云春峰) March 23, 2021, 2:39 a.m. UTC | #5
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
Chunfeng Yun (云春峰) March 23, 2021, 2:40 a.m. UTC | #6
On Mon, 2021-03-22 at 11:57 +0300, Sergei Shtylyov wrote:
> Same comments as to the patch #6.
Ok, will check others, thanks a lot

> 
> MBR, Sergei
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml b/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml
index 14f40efb3b22..2246d29a5e4e 100644
--- a/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml
+++ b/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml
@@ -103,6 +103,10 @@  properties:
     description: supports USB3.0 LPM
     type: boolean
 
+  usb2-lpm-disable:
+    description: disable USB2 HW LPM
+    type: boolean
+
   imod-interval-ns:
     description:
       Interrupt moderation interval value, it is 8 times as much as that