[v6,1/6] dt-bindings: usb: musb: Add support for MediaTek musb controller
diff mbox series

Message ID 1559648359-6569-2-git-send-email-min.guo@mediatek.com
State New
Headers show
Series
  • Add MediaTek MUSB Controller Driver
Related show

Commit Message

Min Guo June 4, 2019, 11:39 a.m. UTC
From: Min Guo <min.guo@mediatek.com>

This adds support for MediaTek musb controller in
host, peripheral and otg mode.

Signed-off-by: Min Guo <min.guo@mediatek.com>
---
changes in v6:
1. Modify usb connector child node

changes in v5:
suggested by Rob:
1. Modify compatible as 
- compatible : should be one of:
               "mediatek,mt-2701"
               ...
               followed by "mediatek,mtk-musb"
2. Add usb connector child node

changes in v4:
suggested by Sergei:
1. String alignment

changes in v3:
1. no changes

changes in v2:
suggested by Bin:
1. Modify DRC to DRD
suggested by Rob:
2. Drop the "<soc-model>-musb" in compatible
3. Remove phy-names
4. Add space after comma in clock-names
---
 .../devicetree/bindings/usb/mediatek,musb.txt      | 55 ++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/usb/mediatek,musb.txt

Comments

Rob Herring July 8, 2019, 10:30 p.m. UTC | #1
On Tue, Jun 04, 2019 at 07:39:14PM +0800, min.guo@mediatek.com wrote:
> From: Min Guo <min.guo@mediatek.com>
> 
> This adds support for MediaTek musb controller in
> host, peripheral and otg mode.
> 
> Signed-off-by: Min Guo <min.guo@mediatek.com>
> ---
> changes in v6:
> 1. Modify usb connector child node
> 
> changes in v5:
> suggested by Rob:
> 1. Modify compatible as 
> - compatible : should be one of:
>                "mediatek,mt-2701"

No, should be: mediatek,mt2701-musb

>                ...
>                followed by "mediatek,mtk-musb"
> 2. Add usb connector child node
> 
> changes in v4:
> suggested by Sergei:
> 1. String alignment
> 
> changes in v3:
> 1. no changes
> 
> changes in v2:
> suggested by Bin:
> 1. Modify DRC to DRD
> suggested by Rob:
> 2. Drop the "<soc-model>-musb" in compatible
> 3. Remove phy-names
> 4. Add space after comma in clock-names
> ---
>  .../devicetree/bindings/usb/mediatek,musb.txt      | 55 ++++++++++++++++++++++
>  1 file changed, 55 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/usb/mediatek,musb.txt
> 
> diff --git a/Documentation/devicetree/bindings/usb/mediatek,musb.txt b/Documentation/devicetree/bindings/usb/mediatek,musb.txt
> new file mode 100644
> index 0000000..7434299
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/usb/mediatek,musb.txt
> @@ -0,0 +1,55 @@
> +MediaTek musb DRD/OTG controller
> +-------------------------------------------
> +
> +Required properties:
> + - compatible      : should be one of:
> +                     "mediatek,mt-2701"
> +                     ...
> +                     followed by "mediatek,mtk-musb"
> + - reg             : specifies physical base address and size of
> +                     the registers
> + - interrupts      : interrupt used by musb controller
> + - interrupt-names : must be "mc"
> + - phys            : PHY specifier for the OTG phy
> + - dr_mode         : should be one of "host", "peripheral" or "otg",
> +                     refer to usb/generic.txt
> + - clocks          : a list of phandle + clock-specifier pairs, one for
> +                     each entry in clock-names
> + - clock-names     : must contain "main", "mcu", "univpll"
> +                     for clocks of controller
> +
> +Optional properties:
> + - power-domains   : a phandle to USB power domain node to control USB's
> +                     MTCMOS
> +
> +Required child nodes:
> + usb connector node as defined in bindings/connector/usb-connector.txt
> +Optional properties:
> + - id-gpios        : input GPIO for USB ID pin.
> + - vbus-gpios      : input GPIO for USB VBUS pin.
> + - vbus-supply     : reference to the VBUS regulator, needed when supports
> +                     dual-role mode
> +
> +Example:
> +
> +usb2: usb@11200000 {
> +	compatible = "mediatek,mt2701-musb",
> +		     "mediatek,mtk-musb";
> +	reg = <0 0x11200000 0 0x1000>;
> +	interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_LOW>;
> +	interrupt-names = "mc";
> +	phys = <&u2port2 PHY_TYPE_USB2>;
> +	dr_mode = "otg";
> +	clocks = <&pericfg CLK_PERI_USB0>,
> +		 <&pericfg CLK_PERI_USB0_MCU>,
> +		 <&pericfg CLK_PERI_USB_SLV>;
> +	clock-names = "main","mcu","univpll";
> +	power-domains = <&scpsys MT2701_POWER_DOMAIN_IFR_MSC>;
> +	connector{
> +		compatible = "linux,typeb-conn-gpio", "usb-b-connector";

linux,typeb-conn-gpio is not an accepted compatible string.

> +		label = "micro-USB";
> +		type = "micro";
> +		id-gpios = <&pio 44 GPIO_ACTIVE_HIGH>;
> +		vbus-supply = <&usb_vbus>;
> +	};
> +};
> -- 
> 1.9.1
>
Min Guo July 9, 2019, 9:10 a.m. UTC | #2
Hi Rob,
On Mon, 2019-07-08 at 16:30 -0600, Rob Herring wrote:
> On Tue, Jun 04, 2019 at 07:39:14PM +0800, min.guo@mediatek.com wrote:
> > From: Min Guo <min.guo@mediatek.com>
> > 
> > This adds support for MediaTek musb controller in
> > host, peripheral and otg mode.
> > 
> > Signed-off-by: Min Guo <min.guo@mediatek.com>
> > ---
> > changes in v6:
> > 1. Modify usb connector child node
> > 
> > changes in v5:
> > suggested by Rob:
> > 1. Modify compatible as 
> > - compatible : should be one of:
> >                "mediatek,mt-2701"
> 
> No, should be: mediatek,mt2701-musb
OK.

> >                ...
> >                followed by "mediatek,mtk-musb"
> > 2. Add usb connector child node
> > 
> > changes in v4:
> > suggested by Sergei:
> > 1. String alignment
> > 
> > changes in v3:
> > 1. no changes
> > 
> > changes in v2:
> > suggested by Bin:
> > 1. Modify DRC to DRD
> > suggested by Rob:
> > 2. Drop the "<soc-model>-musb" in compatible
> > 3. Remove phy-names
> > 4. Add space after comma in clock-names
> > ---
> >  .../devicetree/bindings/usb/mediatek,musb.txt      | 55 ++++++++++++++++++++++
> >  1 file changed, 55 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/usb/mediatek,musb.txt
> > 
> > diff --git a/Documentation/devicetree/bindings/usb/mediatek,musb.txt b/Documentation/devicetree/bindings/usb/mediatek,musb.txt
> > new file mode 100644
> > index 0000000..7434299
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/usb/mediatek,musb.txt
> > @@ -0,0 +1,55 @@
> > +MediaTek musb DRD/OTG controller
> > +-------------------------------------------
> > +
> > +Required properties:
> > + - compatible      : should be one of:
> > +                     "mediatek,mt-2701"
> > +                     ...
> > +                     followed by "mediatek,mtk-musb"
> > + - reg             : specifies physical base address and size of
> > +                     the registers
> > + - interrupts      : interrupt used by musb controller
> > + - interrupt-names : must be "mc"
> > + - phys            : PHY specifier for the OTG phy
> > + - dr_mode         : should be one of "host", "peripheral" or "otg",
> > +                     refer to usb/generic.txt
> > + - clocks          : a list of phandle + clock-specifier pairs, one for
> > +                     each entry in clock-names
> > + - clock-names     : must contain "main", "mcu", "univpll"
> > +                     for clocks of controller
> > +
> > +Optional properties:
> > + - power-domains   : a phandle to USB power domain node to control USB's
> > +                     MTCMOS
> > +
> > +Required child nodes:
> > + usb connector node as defined in bindings/connector/usb-connector.txt
> > +Optional properties:
> > + - id-gpios        : input GPIO for USB ID pin.
> > + - vbus-gpios      : input GPIO for USB VBUS pin.
> > + - vbus-supply     : reference to the VBUS regulator, needed when supports
> > +                     dual-role mode
> > +
> > +Example:
> > +
> > +usb2: usb@11200000 {
> > +	compatible = "mediatek,mt2701-musb",
> > +		     "mediatek,mtk-musb";
> > +	reg = <0 0x11200000 0 0x1000>;
> > +	interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_LOW>;
> > +	interrupt-names = "mc";
> > +	phys = <&u2port2 PHY_TYPE_USB2>;
> > +	dr_mode = "otg";
> > +	clocks = <&pericfg CLK_PERI_USB0>,
> > +		 <&pericfg CLK_PERI_USB0_MCU>,
> > +		 <&pericfg CLK_PERI_USB_SLV>;
> > +	clock-names = "main","mcu","univpll";
> > +	power-domains = <&scpsys MT2701_POWER_DOMAIN_IFR_MSC>;
> > +	connector{
> > +		compatible = "linux,typeb-conn-gpio", "usb-b-connector";
> 
> linux,typeb-conn-gpio is not an accepted compatible string.
The compatible depends on connector driver, currently under review.
https://patchwork.kernel.org/patch/10986245

> > +		label = "micro-USB";
> > +		type = "micro";
> > +		id-gpios = <&pio 44 GPIO_ACTIVE_HIGH>;
> > +		vbus-supply = <&usb_vbus>;
> > +	};
> > +};
> > -- 
> > 1.9.1
> > 

Regards,
Min.

Patch
diff mbox series

diff --git a/Documentation/devicetree/bindings/usb/mediatek,musb.txt b/Documentation/devicetree/bindings/usb/mediatek,musb.txt
new file mode 100644
index 0000000..7434299
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/mediatek,musb.txt
@@ -0,0 +1,55 @@ 
+MediaTek musb DRD/OTG controller
+-------------------------------------------
+
+Required properties:
+ - compatible      : should be one of:
+                     "mediatek,mt-2701"
+                     ...
+                     followed by "mediatek,mtk-musb"
+ - reg             : specifies physical base address and size of
+                     the registers
+ - interrupts      : interrupt used by musb controller
+ - interrupt-names : must be "mc"
+ - phys            : PHY specifier for the OTG phy
+ - dr_mode         : should be one of "host", "peripheral" or "otg",
+                     refer to usb/generic.txt
+ - clocks          : a list of phandle + clock-specifier pairs, one for
+                     each entry in clock-names
+ - clock-names     : must contain "main", "mcu", "univpll"
+                     for clocks of controller
+
+Optional properties:
+ - power-domains   : a phandle to USB power domain node to control USB's
+                     MTCMOS
+
+Required child nodes:
+ usb connector node as defined in bindings/connector/usb-connector.txt
+Optional properties:
+ - id-gpios        : input GPIO for USB ID pin.
+ - vbus-gpios      : input GPIO for USB VBUS pin.
+ - vbus-supply     : reference to the VBUS regulator, needed when supports
+                     dual-role mode
+
+Example:
+
+usb2: usb@11200000 {
+	compatible = "mediatek,mt2701-musb",
+		     "mediatek,mtk-musb";
+	reg = <0 0x11200000 0 0x1000>;
+	interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_LOW>;
+	interrupt-names = "mc";
+	phys = <&u2port2 PHY_TYPE_USB2>;
+	dr_mode = "otg";
+	clocks = <&pericfg CLK_PERI_USB0>,
+		 <&pericfg CLK_PERI_USB0_MCU>,
+		 <&pericfg CLK_PERI_USB_SLV>;
+	clock-names = "main","mcu","univpll";
+	power-domains = <&scpsys MT2701_POWER_DOMAIN_IFR_MSC>;
+	connector{
+		compatible = "linux,typeb-conn-gpio", "usb-b-connector";
+		label = "micro-USB";
+		type = "micro";
+		id-gpios = <&pio 44 GPIO_ACTIVE_HIGH>;
+		vbus-supply = <&usb_vbus>;
+	};
+};