diff mbox series

[v3,01/13] dt-bindings: usb: tegra-xudc: Add Tegra234 XUSB controller support

Message ID 20221114124053.1873316-2-waynec@nvidia.com
State New
Headers show
Series Enable USB host and device functions on Jetson | expand

Commit Message

Wayne Chang Nov. 14, 2022, 12:40 p.m. UTC
Extend the Tegra XUSB controller device tree binding with Tegra234
support.

Signed-off-by: Wayne Chang <waynec@nvidia.com>
---
V2 -> V3:nothing has changed
V1 -> V2:address the issue on phy-names property
 .../bindings/usb/nvidia,tegra-xudc.yaml       | 24 ++++++++++++-------
 1 file changed, 16 insertions(+), 8 deletions(-)

Comments

Rob Herring Nov. 16, 2022, 9:05 p.m. UTC | #1
On Mon, Nov 14, 2022 at 08:40:41PM +0800, Wayne Chang wrote:
> Extend the Tegra XUSB controller device tree binding with Tegra234
> support.

Why do you need any order and number of phys? Please explain in the 
commit msg.

> 
> Signed-off-by: Wayne Chang <waynec@nvidia.com>
> ---
> V2 -> V3:nothing has changed
> V1 -> V2:address the issue on phy-names property
>  .../bindings/usb/nvidia,tegra-xudc.yaml       | 24 ++++++++++++-------
>  1 file changed, 16 insertions(+), 8 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/usb/nvidia,tegra-xudc.yaml b/Documentation/devicetree/bindings/usb/nvidia,tegra-xudc.yaml
> index fd6e7c81426e..52488a731c4e 100644
> --- a/Documentation/devicetree/bindings/usb/nvidia,tegra-xudc.yaml
> +++ b/Documentation/devicetree/bindings/usb/nvidia,tegra-xudc.yaml
> @@ -22,6 +22,7 @@ properties:
>            - nvidia,tegra210-xudc # For Tegra210
>            - nvidia,tegra186-xudc # For Tegra186
>            - nvidia,tegra194-xudc # For Tegra194
> +          - nvidia,tegra234-xudc # For Tegra234
>  
>    reg:
>      minItems: 2
> @@ -90,21 +91,27 @@ properties:
>  
>    phys:
>      minItems: 1
> +    maxItems: 8
>      description:
>        Must contain an entry for each entry in phy-names.
>        See ../phy/phy-bindings.txt for details.
>  
>    phy-names:
>      minItems: 1
> +    maxItems: 8
>      items:
> -      - const: usb2-0
> -      - const: usb2-1
> -      - const: usb2-2
> -      - const: usb2-3
> -      - const: usb3-0
> -      - const: usb3-1
> -      - const: usb3-2
> -      - const: usb3-3
> +      enum:
> +        - usb2-0
> +        - usb2-1
> +        - usb2-2
> +        - usb2-3
> +        - usb3-0
> +        - usb3-1
> +        - usb3-2
> +        - usb3-3
> +
> +  dma-coherent:
> +    type: boolean
>  
>    avddio-usb-supply:
>      description: PCIe/USB3 analog logic power supply. Must supply 1.05 V.
> @@ -153,6 +160,7 @@ allOf:
>              enum:
>                - nvidia,tegra186-xudc
>                - nvidia,tegra194-xudc
> +              - nvidia,tegra234-xudc
>      then:
>        properties:
>          reg:
> -- 
> 2.25.1
> 
>
Jon Hunter Nov. 17, 2022, 12:05 p.m. UTC | #2
On 16/11/2022 21:05, Rob Herring wrote:
> On Mon, Nov 14, 2022 at 08:40:41PM +0800, Wayne Chang wrote:
>> Extend the Tegra XUSB controller device tree binding with Tegra234
>> support.
> 
> Why do you need any order and number of phys? Please explain in the
> commit msg.

I have been having a quick look at this and for the devices that
this binding is applicable to, they only support one port for USB2
and one port for USB3. So I don't think that we should have all
these ports defined in this binding doc. So ideally, we should have
...

diff --git a/Documentation/devicetree/bindings/usb/nvidia,tegra-xudc.yaml b/Documentation/devicetree/bindings/usb/nvidia,tegra-xudc.yaml
index 52488a731c4e..031796b68bbb 100644
--- a/Documentation/devicetree/bindings/usb/nvidia,tegra-xudc.yaml
+++ b/Documentation/devicetree/bindings/usb/nvidia,tegra-xudc.yaml
@@ -98,17 +98,9 @@ properties:
  
    phy-names:
      minItems: 1
-    maxItems: 8
      items:
-      enum:
-        - usb2-0
-        - usb2-1
-        - usb2-2
-        - usb2-3
-        - usb3-0
-        - usb3-1
-        - usb3-2
-        - usb3-3
+      - const: usb2
+      - const: usb3
  
    dma-coherent:
      type: boolean
diff --git a/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000.dts b/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000.dts
index 0556bc64287d..349a98119608 100644
--- a/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000.dts
@@ -2128,7 +2128,7 @@ usb@3550000 {
  
                         phys = <&{/bus@0/padctl@3520000/pads/usb2/lanes/usb2-0}>,
                                 <&{/bus@0/padctl@3520000/pads/usb3/lanes/usb3-1}>;
-                       phy-names = "usb2-0", "usb3-1";
+                       phy-names = "usb2", "usb3";
                 };
  
                 usb@3610000 {

Jon
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/usb/nvidia,tegra-xudc.yaml b/Documentation/devicetree/bindings/usb/nvidia,tegra-xudc.yaml
index fd6e7c81426e..52488a731c4e 100644
--- a/Documentation/devicetree/bindings/usb/nvidia,tegra-xudc.yaml
+++ b/Documentation/devicetree/bindings/usb/nvidia,tegra-xudc.yaml
@@ -22,6 +22,7 @@  properties:
           - nvidia,tegra210-xudc # For Tegra210
           - nvidia,tegra186-xudc # For Tegra186
           - nvidia,tegra194-xudc # For Tegra194
+          - nvidia,tegra234-xudc # For Tegra234
 
   reg:
     minItems: 2
@@ -90,21 +91,27 @@  properties:
 
   phys:
     minItems: 1
+    maxItems: 8
     description:
       Must contain an entry for each entry in phy-names.
       See ../phy/phy-bindings.txt for details.
 
   phy-names:
     minItems: 1
+    maxItems: 8
     items:
-      - const: usb2-0
-      - const: usb2-1
-      - const: usb2-2
-      - const: usb2-3
-      - const: usb3-0
-      - const: usb3-1
-      - const: usb3-2
-      - const: usb3-3
+      enum:
+        - usb2-0
+        - usb2-1
+        - usb2-2
+        - usb2-3
+        - usb3-0
+        - usb3-1
+        - usb3-2
+        - usb3-3
+
+  dma-coherent:
+    type: boolean
 
   avddio-usb-supply:
     description: PCIe/USB3 analog logic power supply. Must supply 1.05 V.
@@ -153,6 +160,7 @@  allOf:
             enum:
               - nvidia,tegra186-xudc
               - nvidia,tegra194-xudc
+              - nvidia,tegra234-xudc
     then:
       properties:
         reg: