linux-kernel - Re: [V3 1/3] dt-bindings: interconnect: Add EPSS L3 DT binding on SC7280

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Message-ID: <20210602193824.GA3848885@robh.at.kernel.org>
Date:   Wed, 2 Jun 2021 14:38:24 -0500
From:   Rob Herring <robh@...nel.org>
To:     Odelu Kukatla <okukatla@...eaurora.org>
Cc:     georgi.djakov@...aro.org, bjorn.andersson@...aro.org,
        evgreen@...gle.com, Andy Gross <agross@...nel.org>,
        Georgi Djakov <djakov@...nel.org>,
        Sibi Sankar <sibis@...eaurora.org>,
        linux-arm-msm@...r.kernel.org, linux-pm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        sboyd@...nel.org, seansw@....qualcomm.com, elder@...aro.org,
        linux-arm-msm-owner@...r.kernel.org
Subject: Re: [V3 1/3] dt-bindings: interconnect: Add EPSS L3 DT binding on
 SC7280

On Wed, Jun 02, 2021 at 08:44:51PM +0530, Odelu Kukatla wrote:
> Add Epoch Subsystem (EPSS) L3 interconnect provider binding on SC7280
> SoCs.
> 
> Signed-off-by: Odelu Kukatla <okukatla@...eaurora.org>
> ---
>  .../devicetree/bindings/interconnect/qcom,osm-l3.yaml          |  4 +++-
>  include/dt-bindings/interconnect/qcom,osm-l3.h                 | 10 +++++++++-
>  2 files changed, 12 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/interconnect/qcom,osm-l3.yaml b/Documentation/devicetree/bindings/interconnect/qcom,osm-l3.yaml
> index d6a95c3..61e9a35 100644
> --- a/Documentation/devicetree/bindings/interconnect/qcom,osm-l3.yaml
> +++ b/Documentation/devicetree/bindings/interconnect/qcom,osm-l3.yaml
> @@ -18,12 +18,14 @@ properties:
>    compatible:
>      enum:
>        - qcom,sc7180-osm-l3
> +      - qcom,sc7280-epss-l3
>        - qcom,sdm845-osm-l3
>        - qcom,sm8150-osm-l3
>        - qcom,sm8250-epss-l3
>  
>    reg:
> -    maxItems: 1
> +    minItems: 1
> +    maxItems: 4

If there is more than 1 entry, you have to define what each entry is.

>  
>    clocks:
>      items:
> diff --git a/include/dt-bindings/interconnect/qcom,osm-l3.h b/include/dt-bindings/interconnect/qcom,osm-l3.h
> index 61ef649..99534a5 100644
> --- a/include/dt-bindings/interconnect/qcom,osm-l3.h
> +++ b/include/dt-bindings/interconnect/qcom,osm-l3.h
> @@ -1,6 +1,6 @@
>  /* SPDX-License-Identifier: GPL-2.0 */
>  /*
> - * Copyright (C) 2019 The Linux Foundation. All rights reserved.
> + * Copyright (C) 2019, 2021 The Linux Foundation. All rights reserved.
>   */
>  
>  #ifndef __DT_BINDINGS_INTERCONNECT_QCOM_OSM_L3_H
> @@ -11,5 +11,13 @@
>  
>  #define MASTER_EPSS_L3_APPS	0
>  #define SLAVE_EPSS_L3_SHARED	1
> +#define SLAVE_EPSS_L3_CPU0	2
> +#define SLAVE_EPSS_L3_CPU1	3
> +#define SLAVE_EPSS_L3_CPU2	4
> +#define SLAVE_EPSS_L3_CPU3	5
> +#define SLAVE_EPSS_L3_CPU4	6
> +#define SLAVE_EPSS_L3_CPU5	7
> +#define SLAVE_EPSS_L3_CPU6	8
> +#define SLAVE_EPSS_L3_CPU7	9
>  
>  #endif
> -- 
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> a Linux Foundation Collaborative Project