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Diffstat (limited to 'Documentation/devicetree/bindings/firmware/xilinx/xlnx,zynqmp-firmware.yaml')
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diff --git a/Documentation/devicetree/bindings/firmware/xilinx/xlnx,zynqmp-firmware.yaml b/Documentation/devicetree/bindings/firmware/xilinx/xlnx,zynqmp-firmware.yaml new file mode 100644 index 000000000000..ab8f32c440df --- /dev/null +++ b/Documentation/devicetree/bindings/firmware/xilinx/xlnx,zynqmp-firmware.yaml @@ -0,0 +1,177 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/firmware/xilinx/xlnx,zynqmp-firmware.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Xilinx firmware driver + +maintainers: + - Nava kishore Manne <nava.kishore.manne@amd.com> + +description: The zynqmp-firmware node describes the interface to platform + firmware. ZynqMP has an interface to communicate with secure firmware. + Firmware driver provides an interface to firmware APIs. Interface APIs + can be used by any driver to communicate to PMUFW(Platform Management Unit). + These requests include clock management, pin control, device control, + power management service, FPGA service and other platform management + services. + +properties: + compatible: + oneOf: + - description: For implementations complying for Zynq Ultrascale+ MPSoC. + const: xlnx,zynqmp-firmware + + - description: For implementations complying for Versal. + const: xlnx,versal-firmware + + - description: For implementations complying for Versal NET. + items: + - enum: + - xlnx,versal-net-firmware + - const: xlnx,versal-firmware + + method: + description: | + The method of calling the PM-API firmware layer. + Permitted values are. + - "smc" : SMC #0, following the SMCCC + - "hvc" : HVC #0, following the SMCCC + + $ref: /schemas/types.yaml#/definitions/string-array + enum: + - smc + - hvc + + "#power-domain-cells": + const: 1 + + clock-controller: + $ref: /schemas/clock/xlnx,versal-clk.yaml# + description: The clock controller is a hardware block of Xilinx versal + clock tree. It reads required input clock frequencies from the devicetree + and acts as clock provider for all clock consumers of PS clocks.list of + clock specifiers which are external input clocks to the given clock + controller. + type: object + + gpio: + $ref: /schemas/gpio/xlnx,zynqmp-gpio-modepin.yaml# + description: The gpio node describes connect to PS_MODE pins via firmware + interface. + type: object + + soc-nvmem: + $ref: /schemas/nvmem/xlnx,zynqmp-nvmem.yaml# + description: The ZynqMP MPSoC provides access to the hardware related data + like SOC revision, IDCODE and specific purpose efuses. + type: object + + pcap: + $ref: /schemas/fpga/xlnx,zynqmp-pcap-fpga.yaml + description: The ZynqMP SoC uses the PCAP (Processor Configuration Port) to + configure the Programmable Logic (PL). The configuration uses the + firmware interface. + type: object + + pinctrl: + $ref: /schemas/pinctrl/xlnx,zynqmp-pinctrl.yaml# + description: The pinctrl node provides access to pinconfig and pincontrol + functionality available in firmware. + type: object + + power-management: + $ref: /schemas/power/reset/xlnx,zynqmp-power.yaml# + description: The zynqmp-power node describes the power management + configurations. It will control remote suspend/shutdown interfaces. + type: object + + reset-controller: + $ref: /schemas/reset/xlnx,zynqmp-reset.yaml# + description: The reset-controller node describes connection to the reset + functionality via firmware interface. + type: object + + versal-fpga: + $ref: /schemas/fpga/xlnx,versal-fpga.yaml# + description: Compatible of the FPGA device. + type: object + + zynqmp-aes: + $ref: /schemas/crypto/xlnx,zynqmp-aes.yaml# + description: The ZynqMP AES-GCM hardened cryptographic accelerator is + used to encrypt or decrypt the data with provided key and initialization + vector. + type: object + +required: + - compatible + +additionalProperties: false + +examples: + - | + #include <dt-bindings/power/xlnx-zynqmp-power.h> + firmware { + zynqmp_firmware: zynqmp-firmware { + #power-domain-cells = <1>; + soc-nvmem { + compatible = "xlnx,zynqmp-nvmem-fw"; + nvmem-layout { + compatible = "fixed-layout"; + #address-cells = <1>; + #size-cells = <1>; + + soc_revision: soc-revision@0 { + reg = <0x0 0x4>; + }; + }; + }; + gpio { + compatible = "xlnx,zynqmp-gpio-modepin"; + gpio-controller; + #gpio-cells = <2>; + }; + pcap { + compatible = "xlnx,zynqmp-pcap-fpga"; + }; + pinctrl { + compatible = "xlnx,zynqmp-pinctrl"; + }; + power-management { + compatible = "xlnx,zynqmp-power"; + interrupts = <0 35 4>; + }; + reset-controller { + compatible = "xlnx,zynqmp-reset"; + #reset-cells = <1>; + }; + }; + }; + + sata { + power-domains = <&zynqmp_firmware PD_SATA>; + }; + + versal-firmware { + compatible = "xlnx,versal-firmware"; + method = "smc"; + + versal_fpga: versal-fpga { + compatible = "xlnx,versal-fpga"; + }; + + xlnx_aes: zynqmp-aes { + compatible = "xlnx,zynqmp-aes"; + }; + + versal_clk: clock-controller { + #clock-cells = <1>; + compatible = "xlnx,versal-clk"; + clocks = <&ref>, <&pl_alt_ref>; + clock-names = "ref", "pl_alt_ref"; + }; + }; + +... |