arm/keystone/ti%2Csci.yaml

1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: TI-SCI controller
10   - Nishanth Menon <nm@ti.com>
15   management of the System on Chip (SoC) system. These include various system
18   An example of such an SoC is K2G, which contains the system control hardware
19   block called Power Management Micro Controller (PMMC). This hardware block is
23   See https://software-dl.ti.com/tisci/esd/latest/index.html for protocol definition.
25   The TI-SCI node describes the Texas Instrument's System Controller entity node.
27   specific functionality such as clocks, power domain, reset or additional
29   relationship between the TI-SCI parent node to the child node.
33     pattern: "^system-controller@[0-9a-f]+$"
37       - description: System controller on TI 66AK2G SoC and other K3 SoCs
39           - const: ti,k2g-sci
40       - description: System controller on TI AM654 SoC
42           - const: ti,am654-sci
44   reg-names:
47       made available from TI-SCI controller.
53   mbox-names:
55       Specifies the mailboxes used to communicate with TI-SCI Controller
56       made available from TI-SCI controller.
58       - const: rx
59       - const: tx
64   ti,host-id:
70   power-controller:
72     $ref: /schemas/soc/ti/sci-pm-domain.yaml#
74   clock-controller:
76     $ref: /schemas/clock/ti,sci-clk.yaml#
78   reset-controller:
80     $ref: /schemas/reset/ti,sci-reset.yaml#
83   - compatible
84   - mbox-names
85   - mboxes
90   - |
91     pmmc: system-controller@2921800 {
92       compatible = "ti,k2g-sci";
93       mbox-names = "rx", "tx";
96       reg-names = "debug_messages";
100   - |
101     dmsc: system-controller@44083000 {
102       compatible = "ti,k2g-sci";
103       ti,host-id = <12>;
104       mbox-names = "rx", "tx";
107       reg-names = "debug_messages";
110       k3_pds: power-controller {
111         compatible = "ti,sci-pm-domain";
112         #power-domain-cells = <2>;
115       k3_clks: clock-controller {
116         compatible = "ti,k2g-sci-clk";
117         #clock-cells = <2>;
120       k3_reset: reset-controller {
121         compatible = "ti,sci-reset";
122         #reset-cells = <2>;