linux-kernel - RE: [PATCH V2] dt-bindings: clock: Convert i.MX7D clock to json-schema

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Date:   Tue, 19 May 2020 02:01:24 +0000
From:   Aisheng Dong <aisheng.dong@....com>
To:     Anson Huang <anson.huang@....com>,
        "mturquette@...libre.com" <mturquette@...libre.com>,
        "sboyd@...nel.org" <sboyd@...nel.org>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>,
        "festevam@...il.com" <festevam@...il.com>,
        Frank Li <frank.li@....com>,
        "linux-clk@...r.kernel.org" <linux-clk@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:     dl-linux-imx <linux-imx@....com>
Subject: RE: [PATCH V2] dt-bindings: clock: Convert i.MX7D clock to
 json-schema

> From: Anson Huang <Anson.Huang@....com>
> Sent: Monday, May 18, 2020 10:53 PM
> 
> Convert the i.MX7D clock binding to DT schema format using json-schema.
> 
> Signed-off-by: Anson Huang <Anson.Huang@....com>
> ---
> Changes since V1:
> 	- Update maintainer's e-mail address.
> ---
>  .../devicetree/bindings/clock/imx7d-clock.txt      | 13 -----
>  .../devicetree/bindings/clock/imx7d-clock.yaml     | 64
> ++++++++++++++++++++++
>  2 files changed, 64 insertions(+), 13 deletions(-)  delete mode 100644
> Documentation/devicetree/bindings/clock/imx7d-clock.txt
>  create mode 100644
> Documentation/devicetree/bindings/clock/imx7d-clock.yaml
> 
> diff --git a/Documentation/devicetree/bindings/clock/imx7d-clock.txt
> b/Documentation/devicetree/bindings/clock/imx7d-clock.txt
> deleted file mode 100644
> index 9d3026d..0000000
> --- a/Documentation/devicetree/bindings/clock/imx7d-clock.txt
> +++ /dev/null
> @@ -1,13 +0,0 @@
> -* Clock bindings for Freescale i.MX7 Dual
> -
> -Required properties:
> -- compatible: Should be "fsl,imx7d-ccm"
> -- reg: Address and length of the register set
> -- #clock-cells: Should be <1>
> -- clocks: list of clock specifiers, must contain an entry for each required
> -  entry in clock-names
> -- clock-names: should include entries "ckil", "osc"
> -
> -The clock consumer should specify the desired clock by having the clock -ID in
> its "clocks" phandle cell.  See include/dt-bindings/clock/imx7d-clock.h
> -for the full list of i.MX7 Dual clock IDs.
> diff --git a/Documentation/devicetree/bindings/clock/imx7d-clock.yaml
> b/Documentation/devicetree/bindings/clock/imx7d-clock.yaml
> new file mode 100644
> index 0000000..8cd0573
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/imx7d-clock.yaml
> @@ -0,0 +1,64 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2
> +---
> +
> +title: Clock bindings for Freescale i.MX7 Dual
> +
> +maintainers:
> +  - Frank Li <Frank.Li@....com>
> +  - Anson Huang <Anson.Huang@....com>
> +
> +description: |
> +  The clock consumer should specify the desired clock by having the
> +clock
> +  ID in its "clocks" phandle cell. See
> +include/dt-bindings/clock/imx7d-clock.h
> +  for the full list of i.MX7 Dual clock IDs.
> +
> +properties:
> +  compatible:
> +    const: fsl,imx7d-ccm
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    items:
> +      - description: CCM interrupt request 1
> +      - description: CCM interrupt request 2

Do we have a more specific description from RM?
Otherwise, I'm fine with this patch.

> +    maxItems: 2
> +
> +  '#clock-cells':
> +    const: 1
> +
> +  clocks:
> +    items:
> +      - description: 32k osc
> +      - description: 24m osc
> +
> +  clock-names:
> +    items:
> +      - const: ckil
> +      - const: osc
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +  - clocks
> +  - clock-names
> +  - '#clock-cells'
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +
> +    clock-controller@...80000 {
> +        compatible = "fsl,imx7d-ccm";
> +        reg = <0x30380000 0x10000>;
> +        interrupts = <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>,
> +                     <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
> +        #clock-cells = <1>;
> +        clocks = <&ckil>, <&osc>;
> +        clock-names = "ckil", "osc";
> +    };
> --
> 2.7.4