On Mon, Feb 10, 2020 at 12:59:43AM +0000, Peng Fan wrote: > > Subject: [PATCH 1/2] dt-bindings: arm: arm,scmi: add smc/hvc transports > > > > From: Peng Fan <peng.fan@xxxxxxx> > > > > SCMI could use SMC/HVC as tranports, so add into devicetree binding doc. > > > > Signed-off-by: Peng Fan <peng.fan@xxxxxxx> > > --- > > Documentation/devicetree/bindings/arm/arm,scmi.txt | 4 +++- > > 1 file changed, 3 insertions(+), 1 deletion(-) > > > > diff --git a/Documentation/devicetree/bindings/arm/arm,scmi.txt > > b/Documentation/devicetree/bindings/arm/arm,scmi.txt > > index f493d69e6194..03cff8b55a93 100644 > > --- a/Documentation/devicetree/bindings/arm/arm,scmi.txt > > +++ b/Documentation/devicetree/bindings/arm/arm,scmi.txt > > @@ -14,7 +14,7 @@ Required properties: > > > > The scmi node with the following properties shall be under the /firmware/ > > node. > > > > -- compatible : shall be "arm,scmi" > > +- compatible : shall be "arm,scmi" or "arm,scmi-smc" > > One question here, are you fine with compatible "arm,scmi-smc" or > add a new property 'transport' such as: Not required. > transport = "mailbox"; for mailbox > transport = "smc"; for smc and hvc. > Each transport will have it's own specific property like mailboxes for mailbox, smc/hvc function IDs for SMC/HVC. That should be sufficient. -- Regards, Sudeep