The Amlogic GXL and GXM is slightly different from the Amlogic G12A Glue.
The GXL SoCs only embeds 2 USB2 PHYs and no USB3 PHYs, and the GXM SoCs
embeds 3 USB2 PHYs.
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@xxxxxxxxxxxxxx>
Signed-off-by: Neil Armstrong <narmstrong@xxxxxxxxxxxx>
---
.../usb/amlogic,meson-g12a-usb-ctrl.yaml | 73 ++++++++++++++++++-
1 file changed, 69 insertions(+), 4 deletions(-)
diff --git a/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml b/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml
index b0e5e0fe9386..b0af50a7c124 100644
--- a/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml
+++ b/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml
@@ -25,9 +25,13 @@ description: |
The Amlogic A1 embeds a DWC3 USB IP Core configured for USB2 in
host-only mode.
+ The Amlogic GXL & GXM SoCs doesn't embed an USB3 PHY.
+
properties:
compatible:
enum:
+ - amlogic,meson-gxl-usb-ctrl
+ - amlogic,meson-gxm-usb-ctrl
- amlogic,meson-g12a-usb-ctrl
- amlogic,meson-a1-usb-ctrl
@@ -41,6 +45,11 @@ properties:
clocks:
minItems: 1
+ maxItems: 3
+
+ clock-names:
+ minItems: 1
+ maxItems: 3
resets:
minItems: 1
@@ -52,10 +61,8 @@ properties:
maxItems: 1
phy-names:
- items:
- - const: usb2-phy0 # USB2 PHY0 if USBHOST_A port is used
- - const: usb2-phy1 # USB2 PHY1 if USBOTG_B port is used
- - const: usb3-phy0 # USB3 PHY if USB3_0 is used
+ minItems: 1
+ maxItems: 3
phys:
minItems: 1
@@ -89,6 +96,61 @@ required:
- dr_mode
allOf:
+ - if:
+ properties:
+ compatible:
+ enum:
+ - amlogic,meson-g12a-usb-ctrl
+
+ then:
+ properties:
+ phy-names:
+ items:
+ - const: usb2-phy0 # USB2 PHY0 if USBHOST_A port is used
+ - const: usb2-phy1 # USB2 PHY1 if USBOTG_B port is used
+ - const: usb3-phy0 # USB3 PHY if USB3_0 is used
+ - if:
+ properties:
+ compatible:
+ enum:
+ - amlogic,meson-gxl-usb-ctrl
+
+ then:
+ properties:
+ clocks:
+ minItems: 2
+ clock-names:
+ items:
+ - const: usb_ctrl
+ - const: ddr
+ phy-names:
+ items:
+ - const: usb2-phy0 # USB2 PHY0 if USBHOST_A port is used
+ - const: usb2-phy1 # USB2 PHY1 if USBOTG_B port is used
+ required:
+ - clock-names
+ - if:
+ properties:
+ compatible:
+ enum:
+ - amlogic,meson-gxm-usb-ctrl
+
+ then:
+ properties:
+ clocks:
+ minItems: 2
+ clock-names:
+ items:
+ - const: usb_ctrl
+ - const: ddr
+ phy-names:
+ items:
+ - const: usb2-phy0 # USB2 PHY0 if USBHOST_A port is used
+ - const: usb2-phy1 # USB2 PHY1 if USBOTG_B port is used
+ - const: usb2-phy2 # USB2 PHY2 if USBOTG_C port is used
+
+ required:
+ - clock-names
- if:
properties:
compatible:
@@ -97,6 +159,9 @@ allOf:
then:
properties:
+ phy-names:
+ items:
+ - const: usb2-phy1 # USB2 PHY1 if USBOTG_B port is used
clocks:
minItems: 3
clock-names:
--
2.22.0
