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Date: Fri, 24 Feb 2023 18:37:50 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Aakarsh Jain <aakarsh.jain@...sung.com>,
linux-arm-kernel@...ts.infradead.org, linux-media@...r.kernel.org,
linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Cc: m.szyprowski@...sung.com, andrzej.hajda@...el.com,
mchehab@...nel.org, hverkuil-cisco@...all.nl,
ezequiel@...guardiasur.com.ar, jernej.skrabec@...il.com,
benjamin.gaignard@...labora.com, krzysztof.kozlowski+dt@...aro.org,
stanimir.varbanov@...aro.org, dillon.minfei@...il.com,
david.plowman@...pberrypi.com, mark.rutland@....com,
robh+dt@...nel.org, krzk+dt@...nel.org, andi@...zian.org,
alim.akhtar@...sung.com, aswani.reddy@...sung.com,
pankaj.dubey@...sung.com
Subject: Re: [PATCH] dt-bindings: media: s5p-mfc: convert bindings to
json-schema
On 23/02/2023 11:46, Aakarsh Jain wrote:
> Convert s5p-mfc bindings to DT schema format using json-schema.
>
> Signed-off-by: Aakarsh Jain <aakarsh.jain@...sung.com>
> ---
> Since, obsolete properties are not part of dt-node so we are not including these properties in dt-schema.
This is not a v1, so please include proper versioning and changelog
after ---.
(...)
> diff --git a/Documentation/devicetree/bindings/media/samsung,s5p-mfc.yaml b/Documentation/devicetree/bindings/media/samsung,s5p-mfc.yaml
> index 000000000000..e82b143086ba
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/samsung,s5p-mfc.yaml
> @@ -0,0 +1,160 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/media/samsung,s5p-mfc.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Samsung Exynos Multi Format Codec (MFC)
> +
> +maintainers:
> + - Marek Szyprowski <m.szyprowski@...sung.com>
> + - Aakarsh Jain <aakarsh.jain@...sung.com>
> +
> +description:
> + Multi Format Codec (MFC) is the IP present in Samsung SoCs which
> + supports high resolution decoding and encoding functionalities.
> +
> +properties:
> + compatible:
> + oneOf:
> + - items:
No need for items here.
> + - enum:
> + - samsung,mfc-v5 # Exynos4
> + - samsung,mfc-v6 # Exynos5
> + - items:
> + - enum:
> + - samsung,exynos3250-mfc # Exynos3250
> + - const: samsung,mfc-v7 # Fall back Exynos3250
> + - items:
and jere
> + - enum:
> + - samsung,mfc-v7 # Exynos5420
> + - samsung,mfc-v8 # Exynos5800
> + - samsung,exynos5433-mfc # Exynos5433
> + - samsung,mfc-v10 # Exynos7880
> +
> + reg:
> + maxItems: 1
> +
> + clocks:
> + minItems: 1
> + maxItems: 3
> +
> + clock-names:
> + minItems: 1
> + maxItems: 3
> +
> + interrupts:
> + maxItems: 1
> +
> + iommus:
> + minItems: 1
> + maxItems: 2
> +
> + iommu-names:
> + minItems: 1
> + maxItems: 2
You need to define the items, just like for clocks. If all variants have
the same names, define them here instead of min/max:
items:
- const: foo
- const: bar
> +
> + power-domains:
> + maxItems: 1
> +
> + memory-region:
> + minItems: 1
> + maxItems: 2
> +
> +required:
> + - compatible
> + - reg
> + - clocks
> + - clock-names
> + - interrupts
> +
> +additionalProperties: false
> +
> +allOf:
> + - if:
> + properties:
> + compatible:
> + contains:
> + enum:
> + - samsung,mfc-v5
> + - samsung,exynos3250-mfc
> + then:
> + properties:
> + clocks:
> + maxItems: 2
> + clock-names:
> + items:
> + - const: mfc
> + - const: sclk_mfc
> + iommus:
> + minItems: 1
> + maxItems: 2
This is the same as top-level, so just skip it. Unless you wanted to say
minItems: 2? or maxItems: 1?
> +
> + - if:
> + properties:
> + compatible:
> + contains:
> + enum:
> + - samsung,mfc-v6
> + - samsung,mfc-v8
> + then:
> + properties:
> + clocks:
> + maxItems: 1
> + clock-names:
> + items:
> + - const: mfc
> + iommus:
> + maxItems: 2
> +
> + - if:
> + properties:
> + compatible:
> + contains:
> + enum:
> + - samsung,exynos5433-mfc
> + then:
> + properties:
> + clocks:
> + maxItems: 3
> + clock-names:
> + items:
> + - const: pclk
> + - const: aclk
> + - const: aclk_xiu
> + iommus:
> + maxItems: 2
> +
> + - if:
> + properties:
> + compatible:
> + contains:
> + enum:
> + - samsung,mfc-v7
> + then:
> + properties:
> + clocks:
> + minItems: 1
> + maxItems: 2
> + iommus:
> + minItems: 1
> + maxItems: 2
> +
> +examples:
> + - |
> + #include <dt-bindings/clock/exynos4.h>
> + #include <dt-bindings/clock/exynos-audss-clk.h>
> + #include <dt-bindings/interrupt-controller/arm-gic.h>
> + #include <dt-bindings/interrupt-controller/irq.h>
> +
> + codec@...00000 {
> + compatible = "samsung,mfc-v5";
> + reg = <0x13400000 0x10000>;
> + interrupts = <GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH>;
> + power-domains = <&pd_mfc>;
> + clocks = <&clock CLK_MFC>, <&clock CLK_SCLK_MFC>;
> + clock-names = "mfc", "sclk_mfc";
> + iommus = <&sysmmu_mfc_l>, <&sysmmu_mfc_r>;
> + iommu-names = "left", "right";
> +
Drop blank line.
> + };
Best regards,
Krzysztof
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