xlnx,zynqmp-power.yaml (2085B)
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/power/reset/xlnx,zynqmp-power.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Xilinx Zynq MPSoC Power Management Device Tree Bindings 8 9maintainers: 10 - Michal Simek <michal.simek@xilinx.com> 11 12description: | 13 The zynqmp-power node describes the power management configurations. 14 It will control remote suspend/shutdown interfaces. 15 16properties: 17 compatible: 18 const: "xlnx,zynqmp-power" 19 20 interrupts: 21 maxItems: 1 22 23 mboxes: 24 description: | 25 Standard property to specify a Mailbox. Each value of 26 the mboxes property should contain a phandle to the 27 mailbox controller device node and an args specifier 28 that will be the phandle to the intended sub-mailbox 29 child node to be used for communication. See 30 Documentation/devicetree/bindings/mailbox/mailbox.txt 31 for more details about the generic mailbox controller 32 and client driver bindings. Also see 33 Documentation/devicetree/bindings/mailbox/ \ 34 xlnx,zynqmp-ipi-mailbox.txt for typical controller that 35 is used to communicate with this System controllers. 36 items: 37 - description: tx channel 38 - description: rx channel 39 40 mbox-names: 41 description: 42 Name given to channels seen in the 'mboxes' property. 43 items: 44 - const: tx 45 - const: rx 46 47required: 48 - compatible 49 - interrupts 50 51additionalProperties: false 52 53examples: 54 - |+ 55 56 // Example with interrupt method: 57 58 firmware { 59 zynqmp-firmware { 60 zynqmp-power { 61 compatible = "xlnx,zynqmp-power"; 62 interrupts = <0 35 4>; 63 }; 64 }; 65 }; 66 67 - |+ 68 69 // Example with IPI mailbox method: 70 71 firmware { 72 zynqmp-firmware { 73 zynqmp-power { 74 compatible = "xlnx,zynqmp-power"; 75 interrupt-parent = <&gic>; 76 interrupts = <0 35 4>; 77 mboxes = <&ipi_mailbox_pmu1 0>, 78 <&ipi_mailbox_pmu1 1>; 79 mbox-names = "tx", "rx"; 80 }; 81 }; 82 }; 83...