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Subject[PATCH v5 02/12] dt-bindings: soc/microchip: add services as children of sys ctrlr
Date
From: Conor Dooley <conor.dooley@microchip.com>

Add mpfs-rng and mpfs-generic-services as children of the system
controller.

Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
---
.../microchip,mpfs-sys-controller.yaml | 41 ++++++++++++++++++-
1 file changed, 39 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/soc/microchip/microchip,mpfs-sys-controller.yaml b/Documentation/devicetree/bindings/soc/microchip/microchip,mpfs-sys-controller.yaml
index f699772fedf3..5e9977bc114e 100644
--- a/Documentation/devicetree/bindings/soc/microchip/microchip,mpfs-sys-controller.yaml
+++ b/Documentation/devicetree/bindings/soc/microchip/microchip,mpfs-sys-controller.yaml
@@ -13,7 +13,6 @@ 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
@@ -21,6 +20,38 @@ properties:
compatible:
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
- mboxes
@@ -29,7 +60,13 @@ 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";
+ };
};
--
2.35.0
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