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Message-ID: <20250905231819.GA1484997-robh@kernel.org>
Date: Fri, 5 Sep 2025 18:18:19 -0500
From: Rob Herring <robh@...nel.org>
To: Luca Weiss <luca.weiss@...rphone.com>
Cc: Bjorn Andersson <andersson@...nel.org>,
Mathieu Poirier <mathieu.poirier@...aro.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Manivannan Sadhasivam <mani@...nel.org>,
~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org,
linux-arm-msm@...r.kernel.org, linux-remoteproc@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 1/2] dt-bindings: remoteproc: qcom,milos-pas: Document
remoteprocs
On Fri, Sep 05, 2025 at 11:37:04AM +0200, Luca Weiss wrote:
> Document the bindings for the ADSP, CDSP, MPSS and WPSS PAS on the Milos
> (e.g. SM7635) SoC.
>
> Signed-off-by: Luca Weiss <luca.weiss@...rphone.com>
> ---
> .../bindings/remoteproc/qcom,milos-pas.yaml | 201 +++++++++++++++++++++
> 1 file changed, 201 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,milos-pas.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,milos-pas.yaml
> new file mode 100644
> index 0000000000000000000000000000000000000000..790ad38a0330bf81f6333e887522ddb97690edbc
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/remoteproc/qcom,milos-pas.yaml
> @@ -0,0 +1,201 @@
> +# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/remoteproc/qcom,milos-pas.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm Milos SoC Peripheral Authentication Service
> +
> +maintainers:
> + - Luca Weiss <luca.weiss@...rphone.com>
> +
> +description:
> + Qualcomm Milos SoC Peripheral Authentication Service loads and boots firmware
> + on the Qualcomm DSP Hexagon cores.
> +
> +properties:
> + compatible:
> + enum:
> + - qcom,milos-adsp-pas
> + - qcom,milos-cdsp-pas
> + - qcom,milos-mpss-pas
> + - qcom,milos-wpss-pas
> +
> + reg:
> + maxItems: 1
> +
> + clocks:
> + items:
> + - description: XO clock
> +
> + clock-names:
> + items:
> + - const: xo
> +
> + interrupts:
> + minItems: 6
> + maxItems: 6
> +
> + interrupt-names:
> + minItems: 6
> + maxItems: 6
> +
> + qcom,qmp:
> + $ref: /schemas/types.yaml#/definitions/phandle
> + description: Reference to the AOSS side-channel message RAM.
> +
> + smd-edge: false
> +
> + firmware-name:
> + $ref: /schemas/types.yaml#/definitions/string-array
Drop. Already has a type.
> + minItems: 1
> + items:
> + - description: Firmware name of the Hexagon core
> + - description: Firmware name of the Hexagon Devicetree
> +
> + memory-region:
> + minItems: 1
> + items:
> + - description: Memory region for core Firmware authentication
> + - description: Memory region for Devicetree Firmware authentication
> +
> +required:
> + - compatible
> + - reg
> + - memory-region
> +
> +allOf:
> + - $ref: /schemas/remoteproc/qcom,pas-common.yaml#
> + - if:
> + properties:
> + compatible:
> + enum:
> + - qcom,milos-adsp-pas
> + - qcom,milos-cdsp-pas
> + then:
> + properties:
> + memory-region:
> + minItems: 2
> + maxItems: 2
Max is already 2. Drop.
> + firmware-name:
> + minItems: 2
> + maxItems: 2
Max is already 2. Drop.
> + else:
> + properties:
> + memory-region:
> + maxItems: 1
> + firmware-name:
> + maxItems: 1
> +
> + - if:
> + properties:
> + compatible:
> + contains:
> + enum:
> + - qcom,milos-adsp-pas
> + then:
> + properties:
> + power-domains:
> + items:
> + - description: LCX power domain
> + - description: LMX power domain
> + power-domain-names:
> + items:
> + - const: lcx
> + - const: lmx
> +
> + - if:
> + properties:
> + compatible:
> + enum:
> + - qcom,milos-cdsp-pas
> + - qcom,milos-wpss-pas
> + then:
> + properties:
> + power-domains:
> + items:
> + - description: CX power domain
> + - description: MX power domain
> + power-domain-names:
> + items:
> + - const: cx
> + - const: mx
> +
> + - if:
> + properties:
> + compatible:
> + enum:
> + - qcom,milos-mpss-pas
> + then:
> + properties:
> + power-domains:
> + items:
> + - description: CX power domain
> + - description: MSS power domain
> + power-domain-names:
> + items:
> + - const: cx
> + - const: mss
> +
> +unevaluatedProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/clock/qcom,rpmh.h>
> + #include <dt-bindings/interconnect/qcom,icc.h>
> + #include <dt-bindings/interconnect/qcom,milos-rpmh.h>
> + #include <dt-bindings/interrupt-controller/irq.h>
> + #include <dt-bindings/mailbox/qcom-ipcc.h>
> + #include <dt-bindings/power/qcom,rpmhpd.h>
> +
> + remoteproc@...0000 {
> + compatible = "qcom,milos-adsp-pas";
> + reg = <0x03000000 0x10000>;
> +
> + interrupts-extended = <&pdc 6 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";
> +
> + clocks = <&rpmhcc RPMH_CXO_CLK>;
> + clock-names = "xo";
> +
> + power-domains = <&rpmhpd RPMHPD_LCX>,
> + <&rpmhpd RPMHPD_LMX>;
> + power-domain-names = "lcx",
> + "lmx";
> +
> + interconnects = <&lpass_ag_noc MASTER_LPASS_PROC QCOM_ICC_TAG_ALWAYS
> + &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>;
> +
> + memory-region = <&adspslpi_mem>, <&q6_adsp_dtb_mem>;
> +
> + firmware-name = "qcom/milos/vendor/device/adsp.mbn",
> + "qcom/milos/vendor/device/adsp_dtb.mbn";
> +
> + qcom,qmp = <&aoss_qmp>;
> +
> + qcom,smem-states = <&smp2p_adsp_out 0>;
> + qcom,smem-state-names = "stop";
> +
> + glink-edge {
> + interrupts-extended = <&ipcc IPCC_CLIENT_LPASS
> + IPCC_MPROC_SIGNAL_GLINK_QMP
> + IRQ_TYPE_EDGE_RISING>;
> + mboxes = <&ipcc IPCC_CLIENT_LPASS
> + IPCC_MPROC_SIGNAL_GLINK_QMP>;
> +
> + label = "lpass";
> + qcom,remote-pid = <2>;
> +
> + /* ... */
> + };
> + };
>
> --
> 2.51.0
>
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