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.
Signed-off-by: Shawn Guo <[email protected]> --- .../bindings/remoteproc/qcom,nord-pas.yaml | 167 ++++++++++++++++++ 1 file changed, 167 insertions(+) create mode 100644 Documentation/devicetree/bindings/remoteproc/qcom,nord-pas.yaml diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,nord-pas.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,nord-pas.yaml new file mode 100644 index 000000000000..c1d60ca6c63c --- /dev/null +++ b/Documentation/devicetree/bindings/remoteproc/qcom,nord-pas.yaml @@ -0,0 +1,167 @@ +# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/remoteproc/qcom,nord-pas.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Nord SoC Peripheral Authentication Service + +maintainers: + - Shawn Guo <[email protected]> + +description: + Qualcomm Nord SoC Peripheral Authentication Service loads and boots firmware + on the Qualcomm DSP Hexagon cores. + +properties: + compatible: + enum: + - qcom,nord-adsp-pas + - qcom,nord-cdsp0-pas + - qcom,nord-cdsp1-pas + - qcom,nord-cdsp2-pas + - qcom,nord-cdsp3-pas + + power-domains: + minItems: 2 + items: + - description: CX power domain + - description: MX power domain + - description: NSP power domain + + power-domain-names: + minItems: 2 + items: + - const: cx + - const: mx + - const: nsp + + reg: + maxItems: 1 + + clocks: + items: + - description: XO clock + + clock-names: + items: + - const: xo + + qcom,qmp: + $ref: /schemas/types.yaml#/definitions/phandle + description: Reference to the AOSS side-channel message RAM. + + smd-edge: false + + firmware-name: + items: + - description: Firmware name of the Hexagon core + - description: Firmware name of the Hexagon Devicetree + + memory-region: + items: + - description: Memory region for main Firmware authentication + - description: Memory region for Devicetree Firmware authentication + + interrupts: + items: + - description: Watchdog interrupt + - description: Fatal interrupt + - description: Ready interrupt + - description: Handover interrupt + - description: Stop acknowledge interrupt + - description: Shutdown acknowledge interrupt + + interrupt-names: + items: + - const: wdog + - const: fatal + - const: ready + - const: handover + - const: stop-ack + - const: shutdown-ack + + qcom,smem-states: + maxItems: 1 + description: States used by the AP to signal the Hexagon core + + qcom,smem-state-names: + maxItems: 1 + description: The names of the state bits used for SMP2P output + +required: + - compatible + - reg + - memory-region + +allOf: + - $ref: /schemas/remoteproc/qcom,pas-common.yaml# + - if: + properties: + compatible: + enum: + - qcom,nord-adsp-pas + then: + properties: + power-domains: + maxItems: 2 + power-domain-names: + maxItems: 2 + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/clock/qcom,rpmh.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/mailbox/qcom-ipcc.h> + #include <dt-bindings/power/qcom,rpmhpd.h> + #define IPCC_MPROC_ADSP0 + + remoteproc@4c00000 { + compatible = "qcom,nord-adsp-pas"; + reg = <0x04c00000 0x10000>; + + clocks = <&rpmhcc RPMH_CXO_CLK>; + clock-names = "xo"; + + interrupts-extended = <&intc GIC_SPI 159 IRQ_TYPE_EDGE_RISING>, + <&smp2p_adsp_in 0 IRQ_TYPE_EDGE_RISING>, + <&smp2p_adsp_in 1 IRQ_TYPE_EDGE_RISING>, + <&smp2p_adsp_in 2 IRQ_TYPE_EDGE_RISING>, + <&smp2p_adsp_in 3 IRQ_TYPE_EDGE_RISING>, + <&smp2p_adsp_in 7 IRQ_TYPE_EDGE_RISING>; + interrupt-names = "wdog", + "fatal", + "ready", + "handover", + "stop-ack", + "shutdown-ack"; + + memory-region = <&hpass_dsp0_mem>, <&hpass_dsp0_dtb_mem>; + + firmware-name = "qcom/nord/adsp.mbn", + "qcom/nord/adsp_dtb.mbn"; + + power-domains = <&rpmhpd RPMHPD_CX>, + <&rpmhpd RPMHPD_MX>; + power-domain-names = "cx", + "mx"; + + qcom,qmp = <&aoss_qmp>; + qcom,smem-states = <&smp2p_adsp_out 0>; + qcom,smem-state-names = "stop"; + + glink-edge { + interrupts-extended = <&ipcc IPCC_MPROC_ADSP0 + IPCC_MPROC_SIGNAL_GLINK_QMP + IRQ_TYPE_EDGE_RISING>; + mboxes = <&ipcc IPCC_MPROC_ADSP0 IPCC_MPROC_SIGNAL_GLINK_QMP>; + + label = "adsp"; + qcom,remote-pid = <2>; + + /* ... */ + }; + }; -- 2.43.0

