[RFC PATCH v2 1/2] dt-bindings: usb: Add DT bindings for Microchip sama7g5 tcpc
From: cristian.birsan
Date: Tue Mar 30 2021 - 16:55:50 EST
From: Cristian Birsan <cristian.birsan@xxxxxxxxxxxxx>
This patch adds DT bindings for the new Microchip USB Type-C Port
Controller (TCPC) embedded in sama7g5 SoC.
Signed-off-by: Cristian Birsan <cristian.birsan@xxxxxxxxxxxxx>
---
.../bindings/usb/microchip,sama7g5-tcpc.yaml | 90 +++++++++++++++++++
1 file changed, 90 insertions(+)
create mode 100644 Documentation/devicetree/bindings/usb/microchip,sama7g5-tcpc.yaml
diff --git a/Documentation/devicetree/bindings/usb/microchip,sama7g5-tcpc.yaml b/Documentation/devicetree/bindings/usb/microchip,sama7g5-tcpc.yaml
new file mode 100644
index 000000000000..2d3289dd9ac9
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/microchip,sama7g5-tcpc.yaml
@@ -0,0 +1,90 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/usb/microchip,sama7g5-tcpc.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Microchip SAMA7G5 Type-C port controller bindings
+
+maintainers:
+ - Cristian Birsan <cristian.birsan@xxxxxxxxxxxxx>
+
+properties:
+ compatible:
+ enum:
+ - microchip,sama7g5-tcpc
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ items:
+ - description: Peripheral Bus Clock
+ - description: Generic Clock
+
+ clock-names:
+ items:
+ - const: pclk
+ - const: gclk
+
+ vbus-supply:
+ description: vbus power supply (5V) phandle
+
+ microchip,vbus-gpio:
+ description: vbus detect gpio
+
+ connector:
+ type: object
+
+ allOf:
+ - $ref: ../connector/usb-connector.yaml
+
+ properties:
+ compatible:
+ const: usb-c-connector
+
+ power-role: true
+
+ required:
+ - compatible
+
+required:
+ - compatible
+ - reg
+ - connector
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/at91.h>
+ #include <dt-bindings/usb/pd.h>
+ tcpcb: tcpcb@e0844000 {
+ compatible = "microchip,sama7g5-tcpc";
+ reg = <0xe0844000 0x3fff>;
+ clocks = <&pmc PMC_TYPE_PERIPHERAL 95>, <&pmc PMC_TYPE_GCK 95>;
+ clock-names = "pclk", "gclk";
+
+ usb_con: connector {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "usb-c-connector";
+ label = "USB-C";
+ data-role = "device";
+ power-role = "sink";
+ try-power-role = "sink";
+ source-pdos = <PDO_FIXED(5000, 500,
+ PDO_FIXED_USB_COMM)>;
+ sink-pdos = <PDO_FIXED(5000, 500,
+ PDO_FIXED_USB_COMM)>;
+ op-sink-microwatt = <2500000>;
+
+ port@1 {
+ reg = <1>;
+ usb_con_hs: endpoint {
+ remote-endpoint = <&usb_phy1>;
+ };
+ };
+ };
+ };
+...
--
2.25.1