Merge tag 'fscache-next-20210829' of git://git.kernel.org/pub/scm/linux/kernel/git...

[linux-2.6-microblaze.git] / Documentation / devicetree / bindings / usb / mediatek,mtu3.yaml

diff --git a/Documentation/devicetree/bindings/usb/mediatek,mtu3.yaml b/Documentation/devicetree/bindings/usb/mediatek,mtu3.yaml
index dbc7876..77db123 100644 (file)
--- a/Documentation/devicetree/bindings/usb/mediatek,mtu3.yaml
+++ b/Documentation/devicetree/bindings/usb/mediatek,mtu3.yaml
@@ -38,7 +38,18 @@ properties:
       - const: ippc
 
   interrupts:
-    maxItems: 1
+    description:
+      use "interrupts-extended" when the interrupts are connected to the
+      separate interrupt controllers
+    minItems: 1
+    items:
+      - description: SSUSB device controller interrupt
+      - description: optional, wakeup interrupt used to support runtime PM
+
+  interrupt-names:
+    items:
+      - const: device
+      - const: wakeup
 
   power-domains:
     description: A phandle to USB power domain node to control USB's MTCMOS
@@ -106,7 +117,7 @@ properties:
   extcon:
     deprecated: true
     description: |
-      Phandle to the extcon device detecting the IDDIG/VBUS state, neede
+      Phandle to the extcon device detecting the IDDIG state, needed
       when supports dual-role mode.
       It's considered valid for compatibility reasons, not allowed for
       new bindings, and use "usb-role-switch" property instead.
@@ -116,6 +127,10 @@ properties:
     description: Support role switch.
     type: boolean
 
+  role-switch-default-mode:
+    enum: [host, peripheral]
+    default: host
+
   connector:
     $ref: /connector/usb-connector.yaml#
     description:
@@ -166,6 +181,12 @@ properties:
     description: The mask to disable u3ports, bit0 for u3port0,
       bit1 for u3port1, ... etc
 
+  mediatek,u2p-dis-msk:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description: The mask to disable u2ports, bit0 for u2port0,
+      bit1 for u2port1, ... etc; but can't disable u2port0 if dual role mode
+      is enabled, so will be skipped in this case.
+
 # Required child node when support dual-role
 patternProperties:
   "^usb@[0-9a-f]+$":
@@ -178,6 +199,7 @@ patternProperties:
 dependencies:
   connector: [ 'usb-role-switch' ]
   port: [ 'usb-role-switch' ]
+  role-switch-default-mode: [ 'usb-role-switch' ]
   wakeup-source: [ 'mediatek,syscon-wakeup' ]
 
 required:
@@ -230,7 +252,7 @@ examples:
         };
     };
 
-  # Enable/disable device by an input gpio for VBUS pin
+  # Dual role switch by gpio-usb-b-connector
   - |
     #include <dt-bindings/gpio/gpio.h>
     #include <dt-bindings/power/mt2712-power.h>
@@ -244,13 +266,27 @@ examples:
         power-domains = <&scpsys MT2712_POWER_DOMAIN_USB2>;
         clocks = <&topckgen CLK_TOP_USB30_SEL>;
         clock-names = "sys_ck";
-        dr_mode = "peripheral";
+        dr_mode = "otg";
         usb-role-switch;
+        #address-cells = <1>;
+        #size-cells = <1>;
+        ranges;
+
+        host0: usb@11270000 {
+            compatible = "mediatek,mt2712-xhci", "mediatek,mtk-xhci";
+            reg = <0x11270000 0x1000>;
+            reg-names = "mac";
+            interrupts = <GIC_SPI 123 IRQ_TYPE_LEVEL_LOW>;
+            power-domains = <&scpsys MT2712_POWER_DOMAIN_USB>;
+            clocks = <&topckgen CLK_TOP_USB30_SEL>, <&clk26m>;
+            clock-names = "sys_ck", "ref_ck";
+        };
 
         connector {
             compatible = "gpio-usb-b-connector", "usb-b-connector";
             type = "micro";
-            vbus-gpios = <&pio 13 GPIO_ACTIVE_HIGH>;
+            id-gpios = <&pio 12 GPIO_ACTIVE_HIGH>;
+            vbus-supply = <&usb_p0_vbus>;
         };
     };
 
@@ -268,6 +304,7 @@ examples:
         wakeup-source;
         dr_mode = "otg";
         usb-role-switch;
+        role-switch-default-mode = "host";
         #address-cells = <1>;
         #size-cells = <1>;
         ranges;