linux-kernel - Re: [PATCH 1/4] dt-bindings: mmc: iproc-sdhci: Convert to json-schema

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Message-ID: <0e98588e-65f1-6839-1fcd-584b480a31bd@broadcom.com>
Date:   Mon, 22 Mar 2021 12:11:29 -0700
From:   Scott Branden <scott.branden@...adcom.com>
To:     Nicolas Saenz Julienne <nsaenz@...nel.org>,
        linux-arm-kernel@...ts.infradead.org, linux-mmc@...r.kernel.org,
        devicetree@...r.kernel.org, bcm-kernel-feedback-list@...adcom.com,
        linux-rpi-kernel@...ts.infradead.org,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Ray Jui <rjui@...adcom.com>,
        Scott Branden <sbranden@...adcom.com>
Cc:     f.fainelli@...il.com, phil@...pberrypi.com,
        tim.gover@...pberrypi.com, adrian.hunter@...el.com,
        alcooperx@...il.com, nsaenzjulienne@...e.de,
        linux-kernel@...r.kernel.org, Rob Herring <robh+dt@...nel.org>
Subject: Re: [PATCH 1/4] dt-bindings: mmc: iproc-sdhci: Convert to json-schema

On 2021-03-22 11:58 a.m., Nicolas Saenz Julienne wrote:
> Convert the brcm,iproc-sdhci binding to DT schema format using json-schema
> 
> Signed-off-by: Nicolas Saenz Julienne <nsaenz@...nel.org>
> ---
>  .../bindings/mmc/brcm,iproc-sdhci.yaml        | 58 +++++++++++++++++++
>  .../bindings/mmc/brcm,sdhci-iproc.txt         | 37 ------------
>  2 files changed, 58 insertions(+), 37 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/mmc/brcm,iproc-sdhci.yaml
>  delete mode 100644 Documentation/devicetree/bindings/mmc/brcm,sdhci-iproc.txt
> 
> diff --git a/Documentation/devicetree/bindings/mmc/brcm,iproc-sdhci.yaml b/Documentation/devicetree/bindings/mmc/brcm,iproc-sdhci.yaml
> new file mode 100644
> index 000000000000..19d84f3ef9e6
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mmc/brcm,iproc-sdhci.yaml
> @@ -0,0 +1,58 @@
> +# SPDX-License-Identifier: GPL-2.0
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/mmc/brcm,iproc-sdhci.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Broadcom IPROC SDHCI controller
> +
> +maintainers:
> +  - Nicolas Saenz Julienne <nsaenz@...nel.org>
This is already covered in the MAINTAINERS section via "N:	iproc".
M:	Ray Jui <ray.jui@...adcom.com>

M:	Scott Branden <scott.branden@...adcom.com>

M:	bcm-kernel-feedback-list@...adcom.com
> +
> +allOf:
> +  - $ref: mmc-controller.yaml#
> +
> +properties:
> +  compatible:
> +    enum:
> +      - brcm,bcm2835-sdhci
> +      - brcm,bcm2711-emmc2
> +      - brcm,sdhci-iproc-cygnus
> +      - brcm,sdhci-iproc
> +
> +  reg:
> +    minItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +    description:
> +      Handle to core clock for the sdhci controller.
> +
> +  sdhci,auto-cmd12:
> +    type: boolean
> +    description: Specifies that controller should use auto CMD12
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +  - clocks
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    sdhci0: sdhci@...41000 {
> +      compatible = "brcm,sdhci-iproc-cygnus";
> +      reg = <0x18041000 0x100>;
> +      interrupts = <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>;
> +      clocks = <&lcpll0_clks BCM_CYGNUS_LCPLL0_SDIO_CLK>;
> +      bus-width = <4>;
> +      sdhci,auto-cmd12;
> +      no-1-8-v;
> +    };
> +
> +...
> diff --git a/Documentation/devicetree/bindings/mmc/brcm,sdhci-iproc.txt b/Documentation/devicetree/bindings/mmc/brcm,sdhci-iproc.txt
> deleted file mode 100644
> index 09d87cc1182a..000000000000
> --- a/Documentation/devicetree/bindings/mmc/brcm,sdhci-iproc.txt
> +++ /dev/null
> @@ -1,37 +0,0 @@
> -Broadcom IPROC SDHCI controller
> -
> -This file documents differences between the core properties described
> -by mmc.txt and the properties that represent the IPROC SDHCI controller.
> -
> -Required properties:
> -- compatible : Should be one of the following
> -	       "brcm,bcm2835-sdhci"
> -	       "brcm,bcm2711-emmc2"
> -	       "brcm,sdhci-iproc-cygnus"
> -	       "brcm,sdhci-iproc"
> -
> -Use brcm2835-sdhci for the eMMC controller on the BCM2835 (Raspberry Pi) and
> -bcm2711-emmc2 for the additional eMMC2 controller on BCM2711.
> -
> -Use sdhci-iproc-cygnus for Broadcom SDHCI Controllers
> -restricted to 32bit host accesses to SDHCI registers.
> -
> -Use sdhci-iproc for Broadcom SDHCI Controllers that allow standard
> -8, 16, 32-bit host access to SDHCI register.
> -
> -- clocks : The clock feeding the SDHCI controller.
> -
> -Optional properties:
> -  - sdhci,auto-cmd12: specifies that controller should use auto CMD12.
> -
> -Example:
> -
> -sdhci0: sdhci@...41000 {
> -	compatible = "brcm,sdhci-iproc-cygnus";
> -	reg = <0x18041000 0x100>;
> -	interrupts = <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>;
> -	clocks = <&lcpll0_clks BCM_CYGNUS_LCPLL0_SDIO_CLK>;
> -	bus-width = <4>;
> -	sdhci,auto-cmd12;
> -	no-1-8-v;
> -};
> 


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