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authorNeil Armstrong <narmstrong@baylibre.com>2020-03-26 14:44:53 +0100
committerFelipe Balbi <balbi@kernel.org>2020-05-05 11:00:11 +0300
commit8f385b67555415cb01079a8ad3b1e16010c5005b (patch)
treeea70cc0f6d6f4aa0ac165e20d59021064bf88c04 /Documentation/devicetree/bindings/usb
parentb88035625ec9594d4554a307e820aef4b759e35f (diff)
downloadlinux-8f385b67555415cb01079a8ad3b1e16010c5005b.tar.bz2
dt-bindings: usb: amlogic,meson-g12a-usb-ctrl: add the Amlogic GXL and GXM Families USB Glue Bindings
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@googlemail.com> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Signed-off-by: Felipe Balbi <balbi@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/usb')
-rw-r--r--Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml73
1 files 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
@@ -93,10 +100,68 @@ allOf:
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:
+ enum:
- amlogic,meson-a1-usb-ctrl
then:
properties:
+ phy-names:
+ items:
+ - const: usb2-phy1 # USB2 PHY1 if USBOTG_B port is used
clocks:
minItems: 3
clock-names: