diff mbox series

[1/2] dt-bindings: usb: mtu3: Add MT8195 MTU3 ip-sleep support

Message ID 20240112133222.240038-1-angelogioacchino.delregno@collabora.com
State Accepted
Commit f99044cd1451d13f2d812ede24eb186ea6335a07
Headers show
Series [1/2] dt-bindings: usb: mtu3: Add MT8195 MTU3 ip-sleep support | expand

Commit Message

AngeloGioacchino Del Regno Jan. 12, 2024, 1:32 p.m. UTC
Of the four USB controllers present on the MediaTek MT8195 SoC, three
of them (0, 2 and 3) are behind MTU3: add wakeup controls for them.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
---
 Documentation/devicetree/bindings/usb/mediatek,mtu3.yaml | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

Comments

Conor Dooley Jan. 12, 2024, 5:04 p.m. UTC | #1
On Fri, Jan 12, 2024 at 02:32:21PM +0100, AngeloGioacchino Del Regno wrote:
> Of the four USB controllers present on the MediaTek MT8195 SoC, three
> of them (0, 2 and 3) are behind MTU3: add wakeup controls for them.
> 
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>

Acked-by: Conor Dooley <conor.dooley@microchip.com>

Cheers,
Conor.

> ---
>  Documentation/devicetree/bindings/usb/mediatek,mtu3.yaml | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/usb/mediatek,mtu3.yaml b/Documentation/devicetree/bindings/usb/mediatek,mtu3.yaml
> index a59d91243ac8..d4e187c78a0b 100644
> --- a/Documentation/devicetree/bindings/usb/mediatek,mtu3.yaml
> +++ b/Documentation/devicetree/bindings/usb/mediatek,mtu3.yaml
> @@ -185,7 +185,10 @@ properties:
>              2 - used by mt2712 etc, revision 2 with following IPM rule;
>              101 - used by mt8183, specific 1.01;
>              102 - used by mt8192, specific 1.02;
> -          enum: [1, 2, 101, 102]
> +            103 - used by mt8195, IP0, specific 1.03;
> +            105 - used by mt8195, IP2, specific 1.05;
> +            106 - used by mt8195, IP3, specific 1.06;
> +          enum: [1, 2, 101, 102, 103, 105, 106]
>  
>    mediatek,u3p-dis-msk:
>      $ref: /schemas/types.yaml#/definitions/uint32
> -- 
> 2.43.0
>
Matthias Brugger Jan. 22, 2024, 7:58 a.m. UTC | #2
On 12/01/2024 14:32, AngeloGioacchino Del Regno wrote:
> Add support for the ip-sleep wakeup functionality on the three MTU3
> controllers found on the MT8195 SoC.
> 
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
> ---
>   drivers/usb/mtu3/mtu3_host.c | 31 +++++++++++++++++++++++++++++++
>   1 file changed, 31 insertions(+)
> 
> diff --git a/drivers/usb/mtu3/mtu3_host.c b/drivers/usb/mtu3/mtu3_host.c
> index 9f2be22af844..85f49e00e8db 100644
> --- a/drivers/usb/mtu3/mtu3_host.c
> +++ b/drivers/usb/mtu3/mtu3_host.c
> @@ -34,6 +34,19 @@
>   #define WC0_SSUSB0_CDEN		BIT(6)
>   #define WC0_IS_SPM_EN		BIT(1)
>   
> +/* mt8195 */
> +#define PERI_WK_CTRL0_8195	0x04
> +#define WC0_IS_P_95		BIT(30)	/* polarity */
> +#define WC0_IS_C_95(x)		((u32)(((x) & 0x7) << 27))
> +#define WC0_IS_EN_P3_95		BIT(26)
> +#define WC0_IS_EN_P2_95		BIT(25)
> +#define WC0_IS_EN_P1_95		BIT(24)

Not used, shouldn't we drop that?

Regards,
Matthias

> +
> +#define PERI_WK_CTRL1_8195	0x20
> +#define WC1_IS_C_95(x)		((u32)(((x) & 0xf) << 28))
> +#define WC1_IS_P_95		BIT(12)
> +#define WC1_IS_EN_P0_95		BIT(6)
> +
>   /* mt2712 etc */
>   #define PERI_SSUSB_SPM_CTRL	0x0
>   #define SSC_IP_SLEEP_EN	BIT(4)
> @@ -44,6 +57,9 @@ enum ssusb_uwk_vers {
>   	SSUSB_UWK_V2,
>   	SSUSB_UWK_V1_1 = 101,	/* specific revision 1.01 */
>   	SSUSB_UWK_V1_2,		/* specific revision 1.02 */
> +	SSUSB_UWK_V1_3,		/* mt8195 IP0 */
> +	SSUSB_UWK_V1_5 = 105,	/* mt8195 IP2 */
> +	SSUSB_UWK_V1_6,		/* mt8195 IP3 */
>   };
>   
>   /*
> @@ -70,6 +86,21 @@ static void ssusb_wakeup_ip_sleep_set(struct ssusb_mtk *ssusb, bool enable)
>   		msk = WC0_SSUSB0_CDEN | WC0_IS_SPM_EN;
>   		val = enable ? msk : 0;
>   		break;
> +	case SSUSB_UWK_V1_3:
> +		reg = ssusb->uwk_reg_base + PERI_WK_CTRL1_8195;
> +		msk = WC1_IS_EN_P0_95 | WC1_IS_C_95(0xf) | WC1_IS_P_95;
> +		val = enable ? (WC1_IS_EN_P0_95 | WC1_IS_C_95(0x1)) : 0;
> +		break;
> +	case SSUSB_UWK_V1_5:
> +		reg = ssusb->uwk_reg_base + PERI_WK_CTRL0_8195;
> +		msk = WC0_IS_EN_P2_95 | WC0_IS_C_95(0x7) | WC0_IS_P_95;
> +		val = enable ? (WC0_IS_EN_P2_95 | WC0_IS_C_95(0x1)) : 0;
> +		break;
> +	case SSUSB_UWK_V1_6:
> +		reg = ssusb->uwk_reg_base + PERI_WK_CTRL0_8195;
> +		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_V2:
>   		reg = ssusb->uwk_reg_base + PERI_SSUSB_SPM_CTRL;
>   		msk = SSC_IP_SLEEP_EN | SSC_SPM_INT_EN;
AngeloGioacchino Del Regno Jan. 22, 2024, 11 a.m. UTC | #3
Il 22/01/24 08:58, Matthias Brugger ha scritto:
> 
> 
> On 12/01/2024 14:32, AngeloGioacchino Del Regno wrote:
>> Add support for the ip-sleep wakeup functionality on the three MTU3
>> controllers found on the MT8195 SoC.
>>
>> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
>> ---
>>   drivers/usb/mtu3/mtu3_host.c | 31 +++++++++++++++++++++++++++++++
>>   1 file changed, 31 insertions(+)
>>
>> diff --git a/drivers/usb/mtu3/mtu3_host.c b/drivers/usb/mtu3/mtu3_host.c
>> index 9f2be22af844..85f49e00e8db 100644
>> --- a/drivers/usb/mtu3/mtu3_host.c
>> +++ b/drivers/usb/mtu3/mtu3_host.c
>> @@ -34,6 +34,19 @@
>>   #define WC0_SSUSB0_CDEN        BIT(6)
>>   #define WC0_IS_SPM_EN        BIT(1)
>> +/* mt8195 */
>> +#define PERI_WK_CTRL0_8195    0x04
>> +#define WC0_IS_P_95        BIT(30)    /* polarity */
>> +#define WC0_IS_C_95(x)        ((u32)(((x) & 0x7) << 27))
>> +#define WC0_IS_EN_P3_95        BIT(26)
>> +#define WC0_IS_EN_P2_95        BIT(25)
>> +#define WC0_IS_EN_P1_95        BIT(24)
> 
> Not used, shouldn't we drop that?
> 

Hey Matthias!

Thanks for catching that - yeah that bit exists, but cannot be used in MTU3, so
it has to be dropped.

Sending a v2 in a jiffy....... or two. :-)

Cheers,
Angelo

> Regards,
> Matthias
> 
>> +
>> +#define PERI_WK_CTRL1_8195    0x20
>> +#define WC1_IS_C_95(x)        ((u32)(((x) & 0xf) << 28))
>> +#define WC1_IS_P_95        BIT(12)
>> +#define WC1_IS_EN_P0_95        BIT(6)
>> +
>>   /* mt2712 etc */
>>   #define PERI_SSUSB_SPM_CTRL    0x0
>>   #define SSC_IP_SLEEP_EN    BIT(4)
>> @@ -44,6 +57,9 @@ enum ssusb_uwk_vers {
>>       SSUSB_UWK_V2,
>>       SSUSB_UWK_V1_1 = 101,    /* specific revision 1.01 */
>>       SSUSB_UWK_V1_2,        /* specific revision 1.02 */
>> +    SSUSB_UWK_V1_3,        /* mt8195 IP0 */
>> +    SSUSB_UWK_V1_5 = 105,    /* mt8195 IP2 */
>> +    SSUSB_UWK_V1_6,        /* mt8195 IP3 */
>>   };
>>   /*
>> @@ -70,6 +86,21 @@ static void ssusb_wakeup_ip_sleep_set(struct ssusb_mtk *ssusb, 
>> bool enable)
>>           msk = WC0_SSUSB0_CDEN | WC0_IS_SPM_EN;
>>           val = enable ? msk : 0;
>>           break;
>> +    case SSUSB_UWK_V1_3:
>> +        reg = ssusb->uwk_reg_base + PERI_WK_CTRL1_8195;
>> +        msk = WC1_IS_EN_P0_95 | WC1_IS_C_95(0xf) | WC1_IS_P_95;
>> +        val = enable ? (WC1_IS_EN_P0_95 | WC1_IS_C_95(0x1)) : 0;
>> +        break;
>> +    case SSUSB_UWK_V1_5:
>> +        reg = ssusb->uwk_reg_base + PERI_WK_CTRL0_8195;
>> +        msk = WC0_IS_EN_P2_95 | WC0_IS_C_95(0x7) | WC0_IS_P_95;
>> +        val = enable ? (WC0_IS_EN_P2_95 | WC0_IS_C_95(0x1)) : 0;
>> +        break;
>> +    case SSUSB_UWK_V1_6:
>> +        reg = ssusb->uwk_reg_base + PERI_WK_CTRL0_8195;
>> +        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_V2:
>>           reg = ssusb->uwk_reg_base + PERI_SSUSB_SPM_CTRL;
>>           msk = SSC_IP_SLEEP_EN | SSC_SPM_INT_EN;
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/usb/mediatek,mtu3.yaml b/Documentation/devicetree/bindings/usb/mediatek,mtu3.yaml
index a59d91243ac8..d4e187c78a0b 100644
--- a/Documentation/devicetree/bindings/usb/mediatek,mtu3.yaml
+++ b/Documentation/devicetree/bindings/usb/mediatek,mtu3.yaml
@@ -185,7 +185,10 @@  properties:
             2 - used by mt2712 etc, revision 2 with following IPM rule;
             101 - used by mt8183, specific 1.01;
             102 - used by mt8192, specific 1.02;
-          enum: [1, 2, 101, 102]
+            103 - used by mt8195, IP0, specific 1.03;
+            105 - used by mt8195, IP2, specific 1.05;
+            106 - used by mt8195, IP3, specific 1.06;
+          enum: [1, 2, 101, 102, 103, 105, 106]
 
   mediatek,u3p-dis-msk:
     $ref: /schemas/types.yaml#/definitions/uint32