| Message ID | 20230417174401.19563-2-quic_nkela@quicinc.com |
|---|---|
| State | Superseded, archived |
| Headers | show |
| Series | [v3,1/2] dt-bindings: firmware: arm,scmi: support for parameter in smc/hvc call | expand |
| Context | Check | Description |
|---|---|---|
| robh/checkpatch | success | |
| robh/patch-applied | success | |
| robh/dtbs-check | warning | build log |
| robh/dt-meta-schema | success |
diff --git a/Documentation/devicetree/bindings/firmware/arm,scmi.yaml b/Documentation/devicetree/bindings/firmware/arm,scmi.yaml index 5824c43e9893..e1f39a10d405 100644 --- a/Documentation/devicetree/bindings/firmware/arm,scmi.yaml +++ b/Documentation/devicetree/bindings/firmware/arm,scmi.yaml @@ -34,6 +34,10 @@ properties: - description: SCMI compliant firmware with ARM SMC/HVC transport items: - const: arm,scmi-smc + - description: SCMI compliant firmware with ARM SMC/HVC transport + with shmem address as parameter + items: + - const: arm,scmi-smc-param - description: SCMI compliant firmware with SCMI Virtio transport. The virtio transport only supports a single device. items: @@ -299,7 +303,9 @@ else: properties: compatible: contains: - const: arm,scmi-smc + enum: + - arm,scmi-smc + - arm,scmi-smc-param then: required: - arm,smc-id
Currently, smc/hvc calls are made with smc-id only. The parameters are all set to zeros. This patch defines a new compatible string that can be used to pass shmem address as one parameter in SMC/HVC doorbell. This is useful when multiple scmi instances are used with common smc-id. Signed-off-by: Nikunj Kela <quic_nkela@quicinc.com> --- Documentation/devicetree/bindings/firmware/arm,scmi.yaml | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)