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dt-bindings: remoteproc: qcom,nord-pas: Document Nord PAS
Add a dedicated binding for the Qualcomm Nord SoC PAS devices: ADSP and CDSPs. Nord ADSP uses CX and MX power domains while the CDSPs add an NSP domain on top of that. Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com> Signed-off-by: Shawn Guo <shengchao.guo@oss.qualcomm.com> Link: https://lore.kernel.org/r/20260729023508.879752-3-shengchao.guo@oss.qualcomm.com Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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Shawn Guo
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Bjorn Andersson
Bjorn Andersson
parent
d402a23bf4
commit
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173
Documentation/devicetree/bindings/remoteproc/qcom,nord-pas.yaml
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173
Documentation/devicetree/bindings/remoteproc/qcom,nord-pas.yaml
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# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/remoteproc/qcom,nord-pas.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Qualcomm Nord SoC Peripheral Authentication Service
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maintainers:
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- Shawn Guo <shengchao.guo@oss.qualcomm.com>
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description:
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Qualcomm Nord SoC Peripheral Authentication Service loads and boots firmware
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on the Qualcomm DSP Hexagon cores.
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properties:
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compatible:
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enum:
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- qcom,nord-adsp-pas
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- qcom,nord-cdsp0-pas
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- qcom,nord-cdsp1-pas
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- qcom,nord-cdsp2-pas
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- qcom,nord-cdsp3-pas
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power-domains:
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minItems: 2
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items:
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- description: CX power domain
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- description: MX power domain
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- description: NSP power domain
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power-domain-names:
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minItems: 2
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items:
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- const: cx
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- const: mx
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- const: nsp
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reg:
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maxItems: 1
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clocks:
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items:
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- description: XO clock
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clock-names:
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items:
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- const: xo
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qcom,qmp:
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$ref: /schemas/types.yaml#/definitions/phandle
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description: Reference to the AOSS side-channel message RAM.
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smd-edge: false
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firmware-name:
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items:
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- description: Firmware name of the Hexagon core
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- description: Firmware name of the Hexagon Devicetree
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memory-region:
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items:
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- description: Memory region for main Firmware authentication
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- description: Memory region for Devicetree Firmware authentication
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interrupts:
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items:
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- description: Watchdog interrupt
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- description: Fatal interrupt
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- description: Ready interrupt
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- description: Handover interrupt
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- description: Stop acknowledge interrupt
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- description: Shutdown acknowledge interrupt
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interrupt-names:
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items:
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- const: wdog
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- const: fatal
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- const: ready
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- const: handover
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- const: stop-ack
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- const: shutdown-ack
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qcom,smem-states:
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maxItems: 1
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description: States used by the AP to signal the Hexagon core
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qcom,smem-state-names:
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maxItems: 1
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description: The names of the state bits used for SMP2P output
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required:
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- compatible
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- reg
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- memory-region
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allOf:
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- $ref: /schemas/remoteproc/qcom,pas-common.yaml#
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- if:
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properties:
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compatible:
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enum:
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- qcom,nord-adsp-pas
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then:
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properties:
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power-domains:
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maxItems: 2
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power-domain-names:
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maxItems: 2
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else:
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properties:
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power-domains:
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minItems: 3
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power-domain-names:
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minItems: 3
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unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/clock/qcom,rpmh.h>
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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#include <dt-bindings/interrupt-controller/irq.h>
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#include <dt-bindings/mailbox/qcom-ipcc.h>
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#include <dt-bindings/power/qcom,rpmhpd.h>
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#define IPCC_MPROC_ADSP0
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remoteproc@4c00000 {
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compatible = "qcom,nord-adsp-pas";
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reg = <0x04c00000 0x10000>;
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clocks = <&rpmhcc RPMH_CXO_CLK>;
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clock-names = "xo";
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interrupts-extended = <&intc GIC_SPI 159 IRQ_TYPE_EDGE_RISING>,
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<&smp2p_adsp_in 0 IRQ_TYPE_EDGE_RISING>,
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<&smp2p_adsp_in 1 IRQ_TYPE_EDGE_RISING>,
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<&smp2p_adsp_in 2 IRQ_TYPE_EDGE_RISING>,
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<&smp2p_adsp_in 3 IRQ_TYPE_EDGE_RISING>,
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<&smp2p_adsp_in 7 IRQ_TYPE_EDGE_RISING>;
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interrupt-names = "wdog",
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"fatal",
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"ready",
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"handover",
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"stop-ack",
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"shutdown-ack";
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memory-region = <&hpass_dsp0_mem>, <&hpass_dsp0_dtb_mem>;
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firmware-name = "qcom/nord/adsp.mbn",
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"qcom/nord/adsp_dtb.mbn";
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power-domains = <&rpmhpd RPMHPD_CX>,
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<&rpmhpd RPMHPD_MX>;
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power-domain-names = "cx",
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"mx";
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qcom,qmp = <&aoss_qmp>;
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qcom,smem-states = <&smp2p_adsp_out 0>;
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qcom,smem-state-names = "stop";
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glink-edge {
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interrupts-extended = <&ipcc IPCC_MPROC_ADSP0
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IPCC_MPROC_SIGNAL_GLINK_QMP
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IRQ_TYPE_EDGE_RISING>;
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mboxes = <&ipcc IPCC_MPROC_ADSP0 IPCC_MPROC_SIGNAL_GLINK_QMP>;
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label = "adsp";
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qcom,remote-pid = <2>;
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/* ... */
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};
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};
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