From b435a1728c9f6811f6f337ebe80e3aca210f1b17 Mon Sep 17 00:00:00 2001 From: Conor Dooley Date: Mon, 14 Feb 2022 13:58:32 +0000 Subject: [PATCH] dt-bindings: soc/microchip: add info about services to mpfs sysctrl 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 Reviewed-by: Rob Herring Signed-off-by: Palmer Dabbelt --- .../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 f699772fedf3e..b0dae51e1d42a 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 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>; }; -- 2.30.2