@@ -13,13 +13,45 @@ description: |
The PolarFire SoC system controller is communicated with via a mailbox.
This document describes the bindings for the client portion of that mailbox.
-
properties:
mboxes:
maxItems: 1
compatible:
- const: microchip,mpfs-sys-controller
+ items:
+ - const: microchip,mpfs-sys-controller
+
+ rng:
+ type: object
+
+ description: |
+ The hardware random number generator on the Polarfire SoC is
+ accessed via the mailbox interface provided by the system controller
+
+ properties:
+ compatible:
+ const: microchip,mpfs-rng
+
+ required:
+ - compatible
+
+ sysserv:
+ type: object
+
+ description: |
+ The PolarFire SoC system controller is communicated with via a mailbox.
+ This binding represents several of the functions provided by the system
+ controller which do not belong in a specific subsystem, such as reading
+ the fpga device certificate, all of which follow the same format:
+ - a command + optional payload sent to the sys controller
+ - a status + a payload returned to Linux
+
+ properties:
+ compatible:
+ const: microchip,mpfs-generic-service
+
+ required:
+ - compatible
required:
- compatible
@@ -29,7 +61,13 @@ additionalProperties: false
examples:
- |
- syscontroller: syscontroller {
+ syscontroller {
compatible = "microchip,mpfs-sys-controller";
mboxes = <&mbox 0>;
+ rng: rng {
+ compatible = "microchip,mpfs-rng";
+ };
+ sysserv: sysserv {
+ compatible = "microchip,mpfs-generic-service";
+ };
};