Message ID | 20220214135840.168236-3-conor.dooley@microchip.com |
---|---|
State | Accepted |
Commit | b435a1728c9f6811f6f337ebe80e3aca210f1b17 |
Headers | show |
Series | Update the Icicle Kit device tree | expand |
On Mon, 14 Feb 2022 13:58:32 +0000, conor.dooley@microchip.com wrote: > From: Conor Dooley <conor.dooley@microchip.com> > > 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@microchip.com> > --- > .../soc/microchip/microchip,mpfs-sys-controller.yaml | 11 ++++++++--- > 1 file changed, 8 insertions(+), 3 deletions(-) > Reviewed-by: Rob Herring <robh@kernel.org>
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@microchip.com> 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>; };