linux-kernel - Re: [PATCH v6 1/3] dt-bindings: remoteproc: qcom: adsp: Convert binding to YAML

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Date:   Mon, 4 Oct 2021 14:30:16 -0400
From:   Stephen Boyd <swboyd@...omium.org>
To:     Rakesh Pillai <pillair@...eaurora.org>, agross@...nel.org,
        bjorn.andersson@...aro.org, mathieu.poirier@...aro.org,
        ohad@...ery.com, p.zabel@...gutronix.de, robh+dt@...nel.org
Cc:     linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, sibis@...eaurora.org,
        mpubbise@...eaurora.org, kuabhs@...omium.org
Subject: Re: [PATCH v6 1/3] dt-bindings: remoteproc: qcom: adsp: Convert
 binding to YAML

Quoting Rakesh Pillai (2021-10-03 23:48:51)
> diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,qcs404-cdsp-pil.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,qcs404-cdsp-pil.yaml
> new file mode 100644
> index 0000000..b698bb7
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/remoteproc/qcom,qcs404-cdsp-pil.yaml
> @@ -0,0 +1,167 @@
[...]
> +
> +  qcom,smem-state-names:
> +    $ref: /schemas/types.yaml#/definitions/string
> +    description: The names of the state bits used for SMP2P output
> +    items:
> +      - const: stop
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts-extended
> +  - interrupt-names
> +  - clocks
> +  - clock-names
> +  - power-domains
> +  - reset
> +  - reset-names
> +  - qcom,halt-regs
> +  - memory-region
> +  - qcom,smem-states
> +  - qcom,smem-state-names
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +    #include <dt-bindings/clock/qcom,gcc-qcs404.h>
> +    #include <dt-bindings/clock/qcom,turingcc-qcs404.h>
> +    remoteproc@...000 {
> +        compatible = "qcom,qcs404-cdsp-pas";
> +        reg = <0x00b00000 0x4040>;
> +
> +        interrupts-extended = <&intc GIC_SPI 229 IRQ_TYPE_EDGE_RISING>,
> +                              <&cdsp_smp2p_in 0 IRQ_TYPE_EDGE_RISING>,
> +                              <&cdsp_smp2p_in 1 IRQ_TYPE_EDGE_RISING>,
> +                              <&cdsp_smp2p_in 2 IRQ_TYPE_EDGE_RISING>,
> +                              <&cdsp_smp2p_in 3 IRQ_TYPE_EDGE_RISING>;
> +        interrupt-names = "wdog", "fatal", "ready",
> +                          "handover", "stop-ack";
> +
> +        clocks = <&xo_board>,
> +                 <&gcc GCC_CDSP_CFG_AHB_CLK>,
> +                 <&gcc GCC_CDSP_TBU_CLK>,
> +                 <&gcc GCC_BIMC_CDSP_CLK>,
> +                 <&turingcc TURING_WRAPPER_AON_CLK>,
> +                 <&turingcc TURING_Q6SS_AHBS_AON_CLK>,
> +                 <&turingcc TURING_Q6SS_AHBM_AON_CLK>,
> +                 <&turingcc TURING_Q6SS_Q6_AXIM_CLK>;
> +        clock-names = "xo",
> +                      "sway",
> +                      "tbu",
> +                      "bimc",
> +                      "ahb_aon",
> +                      "q6ss_slave",
> +                      "q6ss_master",
> +                      "q6_axim";
> +
> +        resets = <&gcc GCC_CDSP_RESTART>;
> +        reset-names = "restart";
> +
> +        qcom,halt-regs = <&tcsr 0x19004>;
> +
> +        memory-region = <&cdsp_fw_mem>;
> +
> +        qcom,smem-states = <&cdsp_smp2p_out 0>;
> +        qcom,smem-state-names = "stop";
> +
> +        glink-edge {

Where is glink-edge documented as a property?

> +            interrupts = <GIC_SPI 141 IRQ_TYPE_EDGE_RISING>;
> +
> +            qcom,remote-pid = <5>;
> +            mboxes = <&apcs_glb 12>;
> +
> +            label = "cdsp";

It would be good to have these properties defined as well and maybe
include the common schema for a glink edge that way.

> +        };
> +    };