[PATCH v7 02/11] dt-bindings: soc/microchip: add info about services to mpfs sysctrl

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From: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>

The services actually provided by the system controller are not
documented so add some words about what the system controller can
actually do. Add a link to the oneline documentation with the specific
details of each individual service.
Also, drop the unneeded label from the example.

Signed-off-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
---
 .../soc/microchip/microchip,mpfs-sys-controller.yaml  | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 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..b0dae51e1d42 100644
--- a/Documentation/devicetree/bindings/soc/microchip/microchip,mpfs-sys-controller.yaml
+++ b/Documentation/devicetree/bindings/soc/microchip/microchip,mpfs-sys-controller.yaml
@@ -10,9 +10,14 @@ maintainers:
   - Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
 
 description: |
-  The PolarFire SoC system controller is communicated with via a mailbox.
-  This document describes the bindings for the client portion of that mailbox.
+  PolarFire SoC devices include a microcontroller acting as the system controller,
+  which provides "services" to the main processor and to the FPGA fabric. These
+  services include hardware rng, reprogramming of the FPGA and verfification of the
+  eNVM contents etc. More information on these services can be found online, at
+  https://onlinedocs.microchip.com/pr/GUID-1409CF11-8EF9-4C24-A94E-70979A688632-en-US-1/index.html
 
+  Communication with the system controller is done via a mailbox, of which the client
+  portion is documented here.
 
 properties:
   mboxes:
@@ -29,7 +34,7 @@ additionalProperties: false
 
 examples:
   - |
-    syscontroller: syscontroller {
+    syscontroller {
       compatible = "microchip,mpfs-sys-controller";
       mboxes = <&mbox 0>;
     };
-- 
2.35.1




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