diff mbox series

[v2,1/2] dt-bindings: usb: Add the binding example for the Genesys Logic GL3523 hub

Message ID 20231011051152.133257-1-linux.amoon@gmail.com
State New
Headers show
Series [v2,1/2] dt-bindings: usb: Add the binding example for the Genesys Logic GL3523 hub | expand

Commit Message

Anand Moon Oct. 11, 2023, 5:11 a.m. UTC
Add the binding example for the USB3.1 Genesys Logic GL3523
integrates with USB 3.1 Gen 1 Super Speed and USB 2.0 High-Speed
hub.

Signed-off-by: Anand Moon <linux.amoon@gmail.com>
---
New patch.
---
 .../bindings/usb/genesys,gl850g.yaml          | 28 +++++++++++++++++--
 1 file changed, 25 insertions(+), 3 deletions(-)

Comments

Anand Moon Oct. 13, 2023, 12:52 a.m. UTC | #1
Hi Krzysztof,

On Thu, 12 Oct 2023 at 23:30, Krzysztof Kozlowski
<krzysztof.kozlowski@linaro.org> wrote:
>
> On 12/10/2023 18:37, Anand Moon wrote:
> > Hi Krzysztof,
> >
> > On Thu, 12 Oct 2023 at 13:13, Krzysztof Kozlowski
> > <krzysztof.kozlowski@linaro.org> wrote:
> >>
> >> On 11/10/2023 07:11, Anand Moon wrote:
> >>> Add the binding example for the USB3.1 Genesys Logic GL3523
> >>> integrates with USB 3.1 Gen 1 Super Speed and USB 2.0 High-Speed
> >>> hub.
> >>
> >> That's not what the patch does.
> >
> > Ok I have tried to add an example below the original changes
> > but the device tree complained of duplicate entries. Hence I
> > modified these changes.
> >
> > This change was requested to update the peer-hub example below.
> > [0] https://lore.kernel.org/all/9fe7d0d2-3582-4b62-be9b-aa9134c18023@linaro.org/
>
> Neil did not ask you to add it to the example but to the binding.
> Existing example should be extended, but that's byproduct of main change.
>

Do you want me to add a new binding file to support this example.

# Documentation/devicetree/bindings/usb/genesys,gpn76.yaml

> Best regards,
> Krzysztof
>

Thanks
-Anand
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/usb/genesys,gl850g.yaml b/Documentation/devicetree/bindings/usb/genesys,gl850g.yaml
index d0927f6768a4..2f6e0c870e1d 100644
--- a/Documentation/devicetree/bindings/usb/genesys,gl850g.yaml
+++ b/Documentation/devicetree/bindings/usb/genesys,gl850g.yaml
@@ -22,29 +22,51 @@  properties:
   reg: true
 
   reset-gpios:
+    maxItems: 1
     description: GPIO controlling the RESET# pin.
 
   vdd-supply:
     description:
       the regulator that provides 3.3V core power to the hub.
 
+  peer-hub:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description:
+      phandle to the peer hub on the controller.
+
 required:
   - compatible
   - reg
+  - reset-gpios
+  - vdd-supply
+  - peer-hub
 
 additionalProperties: false
 
 examples:
   - |
     #include <dt-bindings/gpio/gpio.h>
+
     usb {
         dr_mode = "host";
         #address-cells = <1>;
         #size-cells = <0>;
 
-        hub: hub@1 {
-            compatible = "usb5e3,608";
+        /* 2.0 hub on port 1 */
+        hub_2_0: hub@1 {
+            compatible = "usb5e3,610";
             reg = <1>;
-            reset-gpios = <&pio 7 2 GPIO_ACTIVE_LOW>;
+            vdd-supply = <&vcc_5v>;
+            peer-hub = <&hub_3_0>;
+            reset-gpios = <&gpio 20 GPIO_ACTIVE_LOW>;
+        };
+
+        /* 3.1 hub on port 4 */
+        hub_3_0: hub@2 {
+            compatible = "usb5e3,620";
+            reg = <2>;
+            vdd-supply = <&vcc_5v>;
+            peer-hub = <&hub_2_0>;
+            reset-gpios = <&gpio 20 GPIO_ACTIVE_LOW>;
         };
     };