73 lines
1.6 KiB
YAML
73 lines
1.6 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/remoteproc/ti,hsm-m4fss.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: TI K3 HSM M4F processor subsystems
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maintainers:
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- Beleswar Padhi <b-padhi@ti.com>
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description: |
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Some K3 family SoCs have a HSM (High Security Module) M4F core in the
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Wakeup Voltage Domain which could be used to run secure services like
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Authentication. Some of those are J721S2, J784S4, J722S, AM62X.
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$ref: /schemas/arm/keystone/ti,k3-sci-common.yaml#
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properties:
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compatible:
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enum:
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- ti,hsm-m4fss
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reg:
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items:
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- description: SRAM0_0 internal memory region
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- description: SRAM0_1 internal memory region
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- description: SRAM1 internal memory region
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reg-names:
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items:
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- const: sram0_0
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- const: sram0_1
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- const: sram1
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resets:
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maxItems: 1
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firmware-name:
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maxItems: 1
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required:
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- compatible
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- reg
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- reg-names
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- resets
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- firmware-name
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- ti,sci
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- ti,sci-dev-id
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- ti,sci-proc-ids
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unevaluatedProperties: false
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examples:
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- |
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soc {
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#address-cells = <2>;
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#size-cells = <2>;
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remoteproc@43c00000 {
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compatible = "ti,hsm-m4fss";
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reg = <0x00 0x43c00000 0x00 0x20000>,
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<0x00 0x43c20000 0x00 0x10000>,
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<0x00 0x43c30000 0x00 0x10000>;
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reg-names = "sram0_0", "sram0_1", "sram1";
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resets = <&k3_reset 225 1>;
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firmware-name = "hsm.bin";
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ti,sci = <&sms>;
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ti,sci-dev-id = <225>;
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ti,sci-proc-ids = <0x80 0xff>;
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};
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};
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