linux-kernel - Re: [PATCH v5 (RESEND) 3/7] spmi: hisi-spmi-controller: move driver from staging

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Date:   Fri, 26 Mar 2021 15:11:17 -0600
From:   Rob Herring <robh@...nel.org>
To:     Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Stephen Boyd <sboyd@...nel.org>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-staging@...ts.linux.dev
Subject: Re: [PATCH v5 (RESEND) 3/7] spmi: hisi-spmi-controller: move driver
 from staging

On Thu, Mar 25, 2021 at 07:05:35PM +0100, Mauro Carvalho Chehab wrote:
> The Hisilicon 6421v600 SPMI driver is ready for mainstream.
> 
> So, move it from staging.
> 
> Acked-by: Stephen Boyd <sboyd@...nel.org>
> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
> ---
>  .../spmi/hisilicon,hisi-spmi-controller.yaml  |  71 ++++
>  MAINTAINERS                                   |   7 +
>  drivers/spmi/Kconfig                          |   9 +
>  drivers/spmi/Makefile                         |   1 +
>  drivers/spmi/hisi-spmi-controller.c           | 367 ++++++++++++++++++
>  drivers/staging/hikey9xx/Kconfig              |  11 -
>  drivers/staging/hikey9xx/Makefile             |   1 -
>  .../staging/hikey9xx/hisi-spmi-controller.c   | 367 ------------------
>  .../hisilicon,hisi-spmi-controller.yaml       |  71 ----
>  9 files changed, 455 insertions(+), 450 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/spmi/hisilicon,hisi-spmi-controller.yaml
>  create mode 100644 drivers/spmi/hisi-spmi-controller.c
>  delete mode 100644 drivers/staging/hikey9xx/hisi-spmi-controller.c
>  delete mode 100644 drivers/staging/hikey9xx/hisilicon,hisi-spmi-controller.yaml
> 
> diff --git a/Documentation/devicetree/bindings/spmi/hisilicon,hisi-spmi-controller.yaml b/Documentation/devicetree/bindings/spmi/hisilicon,hisi-spmi-controller.yaml
> new file mode 100644
> index 000000000000..6b755039a74c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/spmi/hisilicon,hisi-spmi-controller.yaml
> @@ -0,0 +1,71 @@
> +# SPDX-License-Identifier: GPL-2.0
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/spmi/hisilicon,hisi-spmi-controller.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: HiSilicon SPMI controller
> +
> +maintainers:
> +  - Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
> +
> +description: |
> +  The HiSilicon SPMI BUS controller is found on some Kirin-based designs.
> +  It is a MIPI System Power Management (SPMI) controller.
> +
> +  The PMIC part is provided by
> +  drivers/staging/hikey9xx/hisilicon,hi6421-spmi-pmic.yaml.
> +
> +allOf:
> +  - $ref: spmi.yaml#
> +
> +properties:
> +
> +  $nodename:
> +    pattern: "spmi@[0-9a-f]"
> +
> +  compatible:
> +    const: hisilicon,kirin970-spmi-controller
> +
> +  reg:
> +    maxItems: 1
> +
> +  spmi-channel:

Generic to SPMI or HiSilicon specific? Needs to be documented in the 
appropriate place and named appropriately.

> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    description: |
> +      number of the Kirin 970 SPMI channel where the SPMI devices are connected.
> +
> +required:
> +  - compatible
> +  - reg
> +  - spmi-channel
> +
> +patternProperties:
> +  "@[0-9a-f]$":

       type: object

> +    description: |
> +      PMIC properties, which are specific to the used SPMI PMIC device(s).
> +      When used in combination with HiSilicon 6421v600, the properties
> +      are documented at
> +      drivers/staging/hikey9xx/hisilicon,hi6421-spmi-pmic.yaml.
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    bus {
> +      #address-cells = <2>;
> +      #size-cells = <2>;
> +
> +      spmi: spmi@...24000 {
> +        compatible = "hisilicon,kirin970-spmi-controller";
> +        #address-cells = <2>;
> +        #size-cells = <0>;
> +        reg = <0x0 0xfff24000 0x0 0x1000>;
> +        spmi-channel = <2>;
> +
> +        pmic@0 {
> +          reg = <0 0>;
> +          /* pmic properties */
> +        };
> +      };
> +    };