bindings/firmware/arm%2Cscmi.yaml

1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11   - Sudeep Holla <sudeep.holla@arm.com>
31       - description: SCMI compliant firmware with mailbox transport
33           - const: arm,scmi
34       - description: SCMI compliant firmware with ARM SMC/HVC transport
36           - const: arm,scmi-smc
37       - description: SCMI compliant firmware with ARM SMC/HVC transport
38                      with shmem address(4KB-page, offset) as parameters
40           - const: arm,scmi-smc-param
41       - description: SCMI compliant firmware with SCMI Virtio transport.
44           - const: arm,scmi-virtio
45       - description: SCMI compliant firmware with OP-TEE transport
47           - const: linaro,scmi-optee
56   interrupt-names:
59   mbox-names:
64       - items:
65           - const: tx
66           - const: rx
68       - items:
69           - const: tx
70           - const: tx_reply
71           - const: rx
103   '#address-cells':
106   '#size-cells':
109   atomic-threshold-us:
113       an higher-than-threshold execution latency, should not be considered for
117   arm,smc-id:
122   linaro,optee-channel-id:
125       Channel specifier required when using OP-TEE transport.
128     $ref: '#/$defs/protocol-node'
135       '#power-domain-cells':
139       - '#power-domain-cells'
142     $ref: '#/$defs/protocol-node'
149       '#clock-cells':
153       - '#clock-cells'
156     $ref: '#/$defs/protocol-node'
163       '#clock-cells':
167       - '#clock-cells'
170     $ref: '#/$defs/protocol-node'
177       '#thermal-sensor-cells':
181       - '#thermal-sensor-cells'
184     $ref: '#/$defs/protocol-node'
191       '#reset-cells':
195       - '#reset-cells'
198     $ref: '#/$defs/protocol-node'
212           '#address-cells':
215           '#size-cells':
219           '^regulator@[0-9a-f]+$':
230               - reg
233     $ref: '#/$defs/protocol-node'
243   protocol-node:
246       Each sub-node represents a protocol supported. If the platform
255       mbox-names:
257           - items:
258               - const: tx
259               - const: rx
261           - items:
262               - const: tx
263               - const: tx_reply
264               - const: rx
275       linaro,optee-channel-id:
278           Channel specifier required when using OP-TEE transport and
282       - reg
285   - compatible
295     interrupt-names: false
298     - mboxes
299     - shmem
307             - arm,scmi-smc
308             - arm,scmi-smc-param
311       - arm,smc-id
312       - shmem
319             const: linaro,scmi-optee
322         - linaro,optee-channel-id
325   - |
331             mbox-names = "tx", "rx";
335             #address-cells = <1>;
336             #size-cells = <0>;
338             atomic-threshold-us = <10000>;
342                 #power-domain-cells = <1>;
347                 #clock-cells = <1>;
351                 mbox-names = "tx", "rx";
358                 #clock-cells = <1>;
363                 #thermal-sensor-cells = <1>;
368                 #reset-cells = <1>;
374                     #address-cells = <1>;
375                     #size-cells = <0>;
379                         regulator-max-microvolt = <3300000>;
384                         regulator-min-microvolt = <500000>;
385                         regulator-max-microvolt = <4200000>;
397         #address-cells = <2>;
398         #size-cells = <2>;
400         sram@50000000 {
401             compatible = "mmio-sram";
404             #address-cells = <1>;
405             #size-cells = <1>;
408             cpu_scp_lpri0: scp-sram-section@0 {
409                 compatible = "arm,scmi-shmem";
413             cpu_scp_lpri1: scp-sram-section@80 {
414                 compatible = "arm,scmi-shmem";
418             cpu_scp_hpri0: scp-sram-section@100 {
419                 compatible = "arm,scmi-shmem";
423             cpu_scp_hpri2: scp-sram-section@180 {
424                 compatible = "arm,scmi-shmem";
430   - |
433             compatible = "arm,scmi-smc";
435             arm,smc-id = <0xc3000001>;
437             #address-cells = <1>;
438             #size-cells = <0>;
442                 #power-domain-cells = <1>;
447   - |
450             compatible = "linaro,scmi-optee";
451             linaro,optee-channel-id = <0>;
453             #address-cells = <1>;
454             #size-cells = <0>;
458                 linaro,optee-channel-id = <1>;
460                 #clock-cells = <1>;
465                 #clock-cells = <1>;
471         #address-cells = <2>;
472         #size-cells = <2>;
474         sram@51000000 {
475             compatible = "mmio-sram";
478             #address-cells = <1>;
479             #size-cells = <1>;
482             cpu_optee_lpri0: optee-sram-section@0 {
483                 compatible = "arm,scmi-shmem";