From patchwork Sun Feb 12 19:02:19 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 13137531 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3F4A9C636D7 for ; Sun, 12 Feb 2023 19:03:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229651AbjBLTDF (ORCPT ); Sun, 12 Feb 2023 14:03:05 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40662 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229532AbjBLTDE (ORCPT ); Sun, 12 Feb 2023 14:03:04 -0500 Received: from mail-wr1-x430.google.com (mail-wr1-x430.google.com [IPv6:2a00:1450:4864:20::430]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 63A511117E for ; Sun, 12 Feb 2023 11:02:31 -0800 (PST) Received: by mail-wr1-x430.google.com with SMTP id o18so10185347wrj.3 for ; Sun, 12 Feb 2023 11:02:31 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=PG+muVyWPYqX4GhfI4uTTvVn+EP8eqkxMYOrtVPSKO0=; b=Mge+5hWOxytxFBcMII+aRfnjuvb3scfkDBTokPzfMVu4RakoqEekVRImsgUoaCkTfC zbcZRCZ+pubJlz2WkHpfffnU+kWAGzWPBqnl/e1FtLK2gmrwIlP94s4FK2mr8SbY4X7z 69TsKNUAYznRK/WMlFFoIG0Io2HZlcsDTMfvmmWeB9k4fhHXVOlwLlSbYDXuus7XCYv6 kPSzBzWjfYmXvbkDWXyuXBPPXwNU0GjaxxXecaRONU1s06t3lnsuJs+sHu5LQG9CHNkh NWojlV0ML5LMKNQeYSVvrYJwsyqxOKmOq8MlJTEjfW7AxDUL1a1GnYnpFEpTnFW7bj4a EGBw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=PG+muVyWPYqX4GhfI4uTTvVn+EP8eqkxMYOrtVPSKO0=; b=MNuMa48IlPGv6efYGLKdDXcoEj6XP3il6lmhaFgaEL9wlQz2egh9L9mmkZL9SJ59qS X+DRIxnDJDbwGn8re+ZXFfe1PxgGCSpMid+ZGvTB9vRH/kMjMya5IE4tA94nZ4PhyaSm bznznydZLBYViegVYWg2UvlWp9SDzA6ietelf8P+zaoEVngSfNEEMBjaSE5i68GHLNCo 0RAV7JvWx/s51LxmaZkGENN1PZcvMQWwesFdeDFQo54eYO2ObGGyE3aHSkvEaDPtbzFs NE0axbHw2T4lb+ENGhCWQcPVf5bthGhT2MAXMOG6Rqp/dqTOWfCIUVz5DHtIc5oNCvmf +7JA== X-Gm-Message-State: AO0yUKWRdjorpGv85ee6DqFBqxuOiSdLwg+AFc+Kt9mgs5VjdO2ygk0i 3YsYkS34V1H2CTcybpjr8vKf8w== X-Google-Smtp-Source: AK7set/soHFHkHKezDZd7ta2P1yhu1L8B59geA7ru4ZGipAzHiNAk2HmFZ18aluiqIzLXn7vnnRsDA== X-Received: by 2002:a5d:42cf:0:b0:2c3:d9dc:773d with SMTP id t15-20020a5d42cf000000b002c3d9dc773dmr19476373wrr.26.1676228546882; Sun, 12 Feb 2023 11:02:26 -0800 (PST) Received: from krzk-bin.. ([178.197.216.144]) by smtp.gmail.com with ESMTPSA id f15-20020adff98f000000b002c5583ab017sm1327884wrr.15.2023.02.12.11.02.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 12 Feb 2023 11:02:26 -0800 (PST) From: Krzysztof Kozlowski To: Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Alim Akhtar , Sylwester Nawrocki , linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Krzysztof Kozlowski Subject: [PATCH 1/4] media: dt-bindings: samsung,exynos4210-csis: convert to dtschema Date: Sun, 12 Feb 2023 20:02:19 +0100 Message-Id: <20230212190222.44977-1-krzysztof.kozlowski@linaro.org> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Convert the Samsung S5P/Exynos SoC series MIPI CSI-2 receiver (MIPI CSIS) bindings to DT schema. Changes during conversion - adjust to existing DTS and Linux driver: 1. Add phys and power-domains. 2. Move samsung,csis-wclk property to the endpoint node. Signed-off-by: Krzysztof Kozlowski --- .../media/samsung,exynos4210-csis.yaml | 170 ++++++++++++++++++ .../bindings/media/samsung-mipi-csis.txt | 81 --------- MAINTAINERS | 1 + 3 files changed, 171 insertions(+), 81 deletions(-) create mode 100644 Documentation/devicetree/bindings/media/samsung,exynos4210-csis.yaml delete mode 100644 Documentation/devicetree/bindings/media/samsung-mipi-csis.txt diff --git a/Documentation/devicetree/bindings/media/samsung,exynos4210-csis.yaml b/Documentation/devicetree/bindings/media/samsung,exynos4210-csis.yaml new file mode 100644 index 000000000000..6e3f730f97ad --- /dev/null +++ b/Documentation/devicetree/bindings/media/samsung,exynos4210-csis.yaml @@ -0,0 +1,170 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/media/samsung,exynos4210-csis.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Samsung S5P/Exynos SoC series MIPI CSI-2 receiver (MIPI CSIS) + +maintainers: + - Krzysztof Kozlowski + - Sylwester Nawrocki + +properties: + compatible: + enum: + - samsung,s5pv210-csis + - samsung,exynos4210-csis + - samsung,exynos4212-csis + - samsung,exynos5250-csis + + reg: + maxItems: 1 + + '#address-cells': + const: 1 + + bus-width: + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [2, 4] + description: + Number of data lines supported. + + clocks: + maxItems: 2 + + clock-names: + items: + - const: csis + - const: sclk_csis + + clock-frequency: + default: 166000000 + description: + The IP's main (system bus) clock frequency in Hz. + + interrupts: + maxItems: 1 + + phys: + maxItems: 1 + + phy-names: + items: + - const: csis + + power-domains: + maxItems: 1 + + '#size-cells': + const: 0 + + vddio-supply: + description: MIPI CSIS I/O and PLL voltage supply (e.g. 1.8V). + + vddcore-supply: + description: MIPI CSIS Core voltage supply (e.g. 1.1V). + +patternProperties: + "^port@[34]$": + $ref: /schemas/graph.yaml#/$defs/port-base + additionalProperties: false + description: + Camera input port. + + properties: + reg: + enum: [3, 4] + + endpoint: + $ref: video-interfaces.yaml# + unevaluatedProperties: false + + properties: + data-lanes: + minItems: 1 + maxItems: 4 + + samsung,csis-hs-settle: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Differential receiver (HS-RX) settle time. + + samsung,csis-wclk: + type: boolean + description: + CSI-2 wrapper clock selection. If this property is present external clock + from CMU will be used, or the bus clock if it's not specified. + + required: + - data-lanes + + required: + - reg + +required: + - compatible + - reg + - bus-width + - clocks + - clock-names + - interrupts + - vddio-supply + - vddcore-supply + +anyOf: + - required: + - port@3 + - required: + - port@4 + +allOf: + - if: + required: + - samsung,isp-wb + then: + required: + - samsung,sysreg + +additionalProperties: false + +examples: + - | + #include + #include + + csis@11890000 { + compatible = "samsung,exynos4210-csis"; + reg = <0x11890000 0x4000>; + clocks = <&clock CLK_CSIS1>, + <&clock CLK_SCLK_CSIS1>; + clock-names = "csis", "sclk_csis"; + assigned-clocks = <&clock CLK_MOUT_CSIS1>, + <&clock CLK_SCLK_CSIS1>; + assigned-clock-parents = <&clock CLK_MOUT_MPLL_USER_T>; + assigned-clock-rates = <0>, <176000000>; + + interrupts = ; + + bus-width = <2>; + power-domains = <&pd_cam>; + phys = <&mipi_phy 2>; + phy-names = "csis"; + + vddcore-supply = <&ldo8_reg>; + vddio-supply = <&ldo10_reg>; + + #address-cells = <1>; + #size-cells = <0>; + + /* Camera D (4) MIPI CSI-2 (CSIS1) */ + port@4 { + reg = <4>; + + endpoint { + remote-endpoint = <&is_s5k6a3_ep>; + data-lanes = <1>; + samsung,csis-hs-settle = <18>; + samsung,csis-wclk; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/media/samsung-mipi-csis.txt b/Documentation/devicetree/bindings/media/samsung-mipi-csis.txt deleted file mode 100644 index a4149c9434ea..000000000000 --- a/Documentation/devicetree/bindings/media/samsung-mipi-csis.txt +++ /dev/null @@ -1,81 +0,0 @@ -Samsung S5P/Exynos SoC series MIPI CSI-2 receiver (MIPI CSIS) -------------------------------------------------------------- - -Required properties: - -- compatible : "samsung,s5pv210-csis" for S5PV210 (S5PC110), - "samsung,exynos4210-csis" for Exynos4210 (S5PC210), - "samsung,exynos4212-csis" for Exynos4212/Exynos4412, - "samsung,exynos5250-csis" for Exynos5250; -- reg : offset and length of the register set for the device; -- interrupts : should contain MIPI CSIS interrupt; the format of the - interrupt specifier depends on the interrupt controller; -- bus-width : maximum number of data lanes supported (SoC specific); -- vddio-supply : MIPI CSIS I/O and PLL voltage supply (e.g. 1.8V); -- vddcore-supply : MIPI CSIS Core voltage supply (e.g. 1.1V); -- clocks : list of clock specifiers, corresponding to entries in - clock-names property; -- clock-names : must contain "csis", "sclk_csis" entries, matching entries - in the clocks property. - -Optional properties: - -- clock-frequency : The IP's main (system bus) clock frequency in Hz, default - value when this property is not specified is 166 MHz; -- samsung,csis-wclk : CSI-2 wrapper clock selection. If this property is present - external clock from CMU will be used, or the bus clock if - if it's not specified. - -The device node should contain one 'port' child node with one child 'endpoint' -node, according to the bindings defined in Documentation/devicetree/bindings/ -media/video-interfaces.txt. The following are properties specific to those nodes. - -port node ---------- - -- reg : (required) must be 3 for camera C input (CSIS0) or 4 for - camera D input (CSIS1); - -endpoint node -------------- - -- data-lanes : (required) an array specifying active physical MIPI-CSI2 - data input lanes and their mapping to logical lanes; the - array's content is unused, only its length is meaningful; - -- samsung,csis-hs-settle : (optional) differential receiver (HS-RX) settle time; - - -Example: - - reg0: regulator@0 { - }; - - reg1: regulator@1 { - }; - -/* SoC properties */ - - csis_0: csis@11880000 { - compatible = "samsung,exynos4210-csis"; - reg = <0x11880000 0x1000>; - interrupts = <0 78 0>; - #address-cells = <1>; - #size-cells = <0>; - }; - -/* Board properties */ - - csis_0: csis@11880000 { - clock-frequency = <166000000>; - vddio-supply = <®0>; - vddcore-supply = <®1>; - port { - reg = <3>; /* 3 - CSIS0, 4 - CSIS1 */ - csis0_ep: endpoint { - remote-endpoint = <...>; - data-lanes = <1>, <2>; - samsung,csis-hs-settle = <12>; - }; - }; - }; diff --git a/MAINTAINERS b/MAINTAINERS index c6f1bb8c469e..f02ce233a034 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -18473,6 +18473,7 @@ M: Sylwester Nawrocki L: linux-media@vger.kernel.org S: Supported Q: https://patchwork.linuxtv.org/project/linux-media/list/ +F: Documentation/devicetree/bindings/media/samsung,exynos4210-csis.yaml F: drivers/media/platform/samsung/exynos4-is/ SAMSUNG SOC CLOCK DRIVERS