bindings/firmware/arm%2Cscmi.yaml

5 $id: http://devicetree.org/schemas/firmware/arm,scmi.yaml#
8 title: System Control and Management Interface (SCMI) Message Protocol
14   The SCMI is intended to allow agents such as OSPM to manage various functions
19   the SCMI as described in ARM document number ARM DEN 0056 ("ARM System Control
26   - $ref: /schemas/firmware/nxp,imx95-scmi.yaml
30     const: scmi
34       - description: SCMI compliant firmware with mailbox transport
36           - const: arm,scmi
37       - description: SCMI compliant firmware with ARM SMC/HVC transport
39           - const: arm,scmi-smc
40       - description: SCMI compliant firmware with ARM SMC/HVC transport
43           - const: arm,scmi-smc-param
44       - description: SCMI compliant firmware with Qualcomm SMC/HVC transport
46           - const: qcom,scmi-smc
47       - description: SCMI compliant firmware with SCMI Virtio transport.
50           - const: arm,scmi-virtio
51       - description: SCMI compliant firmware with OP-TEE transport
53           - const: linaro,scmi-optee
67       Specifies the mailboxes used to communicate with SCMI compliant
92       while two channel descriptors are needed to represent the SCMI ("tx")
95       the SCMI subsystem determine unambiguosly which type of SCMI channels are
97        1 mbox / 1 shmem => SCMI TX over 1 mailbox bidirectional channel
98        2 mbox / 2 shmem => SCMI TX and RX over 2 mailbox bidirectional channels
99        2 mbox / 1 shmem => SCMI TX over 2 mailbox unidirectional channels
100        3 mbox / 2 shmem => SCMI TX and RX over 3 mailbox unidirectional channels
101        4 mbox / 2 shmem => SCMI TX and RX over 4 mailbox unidirectional channels
122       platform, the threshold above which any SCMI command, advertised to have
241           The list of all regulators provided by this SCMI controller.
278           - $ref: /schemas/firmware/nxp,imx95-scmi-pinctrl.yaml
299           pin multiplexing and using SCMI protocol to apply a specified
356         const: arm,scmi
372             - arm,scmi-smc
373             - arm,scmi-smc-param
374             - qcom,scmi-smc
385             const: linaro,scmi-optee
393         scmi {
394             compatible = "arm,scmi";
494                 compatible = "arm,scmi-shmem";
499                 compatible = "arm,scmi-shmem";
504                 compatible = "arm,scmi-shmem";
509                 compatible = "arm,scmi-shmem";
517         scmi {
518             compatible = "arm,scmi-smc";
534         scmi {
535             compatible = "linaro,scmi-optee";
568                 compatible = "arm,scmi-shmem";