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cheetah.sa.corp.samsungelectronics.net (unknown [107.109.115.53]) by epsmtip2.samsung.com (KnoxPortal) with ESMTPA id 20230328114733epsmtip2d83f080a32905f74d0b62e2b635f4cdf~QkskpBhXi2498624986epsmtip2E; Tue, 28 Mar 2023 11:47:33 +0000 (GMT) From: Aakarsh Jain To: linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Cc: m.szyprowski@samsung.com, andrzej.hajda@intel.com, mchehab@kernel.org, hverkuil-cisco@xs4all.nl, ezequiel@vanguardiasur.com.ar, jernej.skrabec@gmail.com, benjamin.gaignard@collabora.com, krzysztof.kozlowski+dt@linaro.org, stanimir.varbanov@linaro.org, dillon.minfei@gmail.com, david.plowman@raspberrypi.com, mark.rutland@arm.com, robh+dt@kernel.org, krzk+dt@kernel.org, andi@etezian.org, alim.akhtar@samsung.com, aswani.reddy@samsung.com, pankaj.dubey@samsung.com, Aakarsh Jain Subject: [Patch v7] dt-bindings: media: s5p-mfc: convert bindings to json-schema Date: Tue, 28 Mar 2023 17:17:29 +0530 Message-Id: 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sfid-20230328_072439_002489_60EA674C X-CRM114-Status: GOOD ( 23.53 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Convert s5p-mfc bindings to DT schema format using json-schema. Signed-off-by: Aakarsh Jain Reviewed-by: Krzysztof Kozlowski --- changes since v6: kept hw properties for Exynos3250 and Exynos4 under different if:then condition. changes since v5: kept compatible strings under enum sorted compatible strings added iommu maxItems:2 Added indentation with 4 spaces in dts example changes since v4: Removed items from oneOf section dropped black line defined the iommus names items as items: -const left -const right changes since v3: fixed dt-schema warnings and errors while running make dtbs_check and make dt_binding_check for ARMv7 Since, obsolete properties are not part of dt-node so we are not including these properties in dt-schema. changes since v2: changed Commit message from Adds to Convert Removed text "This file has moved to samsung,s5p-mfc.yaml" from s5p-mfc.txt fixed dt-schema warnings and errors while running make dtbs_check and make dt_binding_check changes since v1: fixed dt-schema warnings and errors while running make dtbs_check and make dt_binding_check Removed description. Listed items. Added allOf:if:then for restricting two items to specific compatible .../devicetree/bindings/media/s5p-mfc.txt | 78 -------- .../bindings/media/samsung,s5p-mfc.yaml | 184 ++++++++++++++++++ 2 files changed, 184 insertions(+), 78 deletions(-) create mode 100644 Documentation/devicetree/bindings/media/samsung,s5p-mfc.yaml diff --git a/Documentation/devicetree/bindings/media/s5p-mfc.txt b/Documentation/devicetree/bindings/media/s5p-mfc.txt index 8eb90c043d5d..e69de29bb2d1 100644 --- a/Documentation/devicetree/bindings/media/s5p-mfc.txt +++ b/Documentation/devicetree/bindings/media/s5p-mfc.txt @@ -1,78 +0,0 @@ -* Samsung Multi Format Codec (MFC) - -Multi Format Codec (MFC) is the IP present in Samsung SoCs which -supports high resolution decoding and encoding functionalities. -The MFC device driver is a v4l2 driver which can encode/decode -video raw/elementary streams and has support for all popular -video codecs. - -Required properties: - - compatible : value should be either one among the following - (a) "samsung,mfc-v5" for MFC v5 present in Exynos4 SoCs - (b) "samsung,mfc-v6" for MFC v6 present in Exynos5 SoCs - (c) "samsung,exynos3250-mfc", "samsung,mfc-v7" for MFC v7 - present in Exynos3250 SoC - (d) "samsung,mfc-v7" for MFC v7 present in Exynos5420 SoC - (e) "samsung,mfc-v8" for MFC v8 present in Exynos5800 SoC - (f) "samsung,exynos5433-mfc" for MFC v8 present in Exynos5433 SoC - (g) "samsung,mfc-v10" for MFC v10 present in Exynos7880 SoC - - - reg : Physical base address of the IP registers and length of memory - mapped region. - - - interrupts : MFC interrupt number to the CPU. - - clocks : from common clock binding: handle to mfc clock. - - clock-names : from common clock binding: must contain "mfc", - corresponding to entry in the clocks property. - -Optional properties: - - power-domains : power-domain property defined with a phandle - to respective power domain. - - memory-region : from reserved memory binding: phandles to two reserved - memory regions, first is for "left" mfc memory bus interfaces, - second if for the "right" mfc memory bus, used when no SYSMMU - support is available; used only by MFC v5 present in Exynos4 SoCs - -Obsolete properties: - - samsung,mfc-r, samsung,mfc-l : support removed, please use memory-region - property instead - - -Example: -SoC specific DT entry: - -mfc: codec@13400000 { - compatible = "samsung,mfc-v5"; - reg = <0x13400000 0x10000>; - interrupts = <0 94 0>; - power-domains = <&pd_mfc>; - clocks = <&clock 273>; - clock-names = "mfc"; -}; - -Reserved memory specific DT entry for given board (see reserved memory binding -for more information): - -reserved-memory { - #address-cells = <1>; - #size-cells = <1>; - ranges; - - mfc_left: region@51000000 { - compatible = "shared-dma-pool"; - no-map; - reg = <0x51000000 0x800000>; - }; - - mfc_right: region@43000000 { - compatible = "shared-dma-pool"; - no-map; - reg = <0x43000000 0x800000>; - }; -}; - -Board specific DT entry: - -codec@13400000 { - memory-region = <&mfc_left>, <&mfc_right>; -}; diff --git a/Documentation/devicetree/bindings/media/samsung,s5p-mfc.yaml b/Documentation/devicetree/bindings/media/samsung,s5p-mfc.yaml new file mode 100644 index 000000000000..084b44582a43 --- /dev/null +++ b/Documentation/devicetree/bindings/media/samsung,s5p-mfc.yaml @@ -0,0 +1,184 @@ +# 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 + - Aakarsh Jain + +description: + Multi Format Codec (MFC) is the IP present in Samsung SoCs which + supports high resolution decoding and encoding functionalities. + +properties: + compatible: + oneOf: + - enum: + - samsung,exynos5433-mfc # Exynos5433 + - samsung,mfc-v5 # Exynos4 + - samsung,mfc-v6 # Exynos5 + - samsung,mfc-v7 # Exynos5420 + - samsung,mfc-v8 # Exynos5800 + - samsung,mfc-v10 # Exynos7880 + - items: + - enum: + - samsung,exynos3250-mfc # Exynos3250 + - const: samsung,mfc-v7 # Fall back for Exynos3250 + + 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 + + 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,exynos3250-mfc + then: + properties: + clocks: + maxItems: 2 + clock-names: + items: + - const: mfc + - const: sclk_mfc + iommus: + maxItems: 1 + iommus-names: false + + - 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 + iommus-names: + items: + - const: left + - const: right + + - if: + properties: + compatible: + contains: + enum: + - samsung,mfc-v5 + then: + properties: + clocks: + maxItems: 2 + clock-names: + items: + - const: mfc + - const: sclk_mfc + iommus: + maxItems: 2 + iommus-names: + items: + - const: left + - const: right + + - if: + properties: + compatible: + contains: + enum: + - samsung,mfc-v6 + - samsung,mfc-v8 + then: + properties: + clocks: + maxItems: 1 + clock-names: + items: + - const: mfc + iommus: + maxItems: 2 + iommus-names: + items: + - const: left + - const: right + + - if: + properties: + compatible: + contains: + enum: + - samsung,mfc-v7 + then: + properties: + clocks: + minItems: 1 + maxItems: 2 + iommus: + minItems: 1 + maxItems: 2 + +examples: + - | + #include + #include + #include + #include + + codec@13400000 { + compatible = "samsung,mfc-v5"; + reg = <0x13400000 0x10000>; + interrupts = ; + 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"; + };