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([64.57.193.93]) by smtp.gmail.com with ESMTPSA id j6-20020a37c246000000b006eed47a1a1esm3989938qkm.134.2022.10.26.09.43.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 26 Oct 2022 09:43:20 -0700 (PDT) From: Krzysztof Kozlowski To: Srinivas Kandagatla , Rob Herring , Krzysztof Kozlowski , Andy Gross , Bjorn Andersson , Konrad Dybcio , alsa-devel@alsa-project.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org Subject: [PATCH v3 1/3] dt-bindings: slimbus: convert bus description to DT schema Date: Wed, 26 Oct 2022 12:43:13 -0400 Message-Id: <20221026164315.39038-2-krzysztof.kozlowski@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221026164315.39038-1-krzysztof.kozlowski@linaro.org> References: <20221026164315.39038-1-krzysztof.kozlowski@linaro.org> MIME-Version: 1.0 Cc: Rob Herring , Krzysztof Kozlowski X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" Convert the SLIMbus bus description bindings to DT Schema. Signed-off-by: Krzysztof Kozlowski Reviewed-by: Rob Herring --- .../devicetree/bindings/slimbus/bus.txt | 60 ------------ .../bindings/slimbus/slim-ngd-qcom-ctrl.txt | 2 - .../bindings/slimbus/slim-qcom-ctrl.txt | 3 - .../devicetree/bindings/slimbus/slimbus.yaml | 95 +++++++++++++++++++ 4 files changed, 95 insertions(+), 65 deletions(-) delete mode 100644 Documentation/devicetree/bindings/slimbus/bus.txt create mode 100644 Documentation/devicetree/bindings/slimbus/slimbus.yaml diff --git a/Documentation/devicetree/bindings/slimbus/bus.txt b/Documentation/devicetree/bindings/slimbus/bus.txt deleted file mode 100644 index bbe871f82a8b..000000000000 --- a/Documentation/devicetree/bindings/slimbus/bus.txt +++ /dev/null @@ -1,60 +0,0 @@ -SLIM(Serial Low Power Interchip Media Bus) bus - -SLIMbus is a 2-wire bus, and is used to communicate with peripheral -components like audio-codec. - -Required property for SLIMbus controller node: -- compatible - name of SLIMbus controller - -Child nodes: -Every SLIMbus controller node can contain zero or more child nodes -representing slave devices on the bus. Every SLIMbus slave device is -uniquely determined by the enumeration address containing 4 fields: -Manufacturer ID, Product code, Device index, and Instance value for -the device. -If child node is not present and it is instantiated after device -discovery (slave device reporting itself present). - -In some cases it may be necessary to describe non-probeable device -details such as non-standard ways of powering up a device. In -such cases, child nodes for those devices will be present as -slaves of the SLIMbus controller, as detailed below. - -Required property for SLIMbus child node if it is present: -- reg - Should be ('Device index', 'Instance ID') from SLIMbus - Enumeration Address. - Device Index Uniquely identifies multiple Devices within - a single Component. - Instance ID Is for the cases where multiple Devices of the - same type or Class are attached to the bus. - -- compatible -"slimMID,PID". The textual representation of Manufacturer ID, - Product Code, shall be in lower case hexadecimal with leading - zeroes suppressed - -Optional property for SLIMbus child node if it is present: -- slim-ifc-dev - Should be phandle to SLIMBus Interface device. - Required for devices which deal with streams. - -SLIMbus example for Qualcomm's slimbus manager component: - - slim@28080000 { - compatible = "qcom,apq8064-slim", "qcom,slim"; - reg = <0x28080000 0x2000>, - interrupts = <0 33 0>; - clocks = <&lcc SLIMBUS_SRC>, <&lcc AUDIO_SLIMBUS_CLK>; - clock-names = "iface", "core"; - #address-cells = <2>; - #size-cell = <0>; - - codec_ifd: ifd@0,0{ - compatible = "slim217,60"; - reg = <0 0>; - }; - - codec: wcd9310@1,0{ - compatible = "slim217,60"; - reg = <1 0>; - slim-ifc-dev = <&codec_ifd>; - }; - }; diff --git a/Documentation/devicetree/bindings/slimbus/slim-ngd-qcom-ctrl.txt b/Documentation/devicetree/bindings/slimbus/slim-ngd-qcom-ctrl.txt index e94a2ad3a710..7c3d9eb6af5d 100644 --- a/Documentation/devicetree/bindings/slimbus/slim-ngd-qcom-ctrl.txt +++ b/Documentation/devicetree/bindings/slimbus/slim-ngd-qcom-ctrl.txt @@ -5,8 +5,6 @@ with SLIMBus slaves directly over the bus using messaging interface and communicating with master component residing on ADSP for bandwidth and data-channel management -Please refer to slimbus/bus.txt for details of the common SLIMBus bindings. - - compatible: Usage: required Value type: diff --git a/Documentation/devicetree/bindings/slimbus/slim-qcom-ctrl.txt b/Documentation/devicetree/bindings/slimbus/slim-qcom-ctrl.txt index 922dcb8ff24a..6d955e129f90 100644 --- a/Documentation/devicetree/bindings/slimbus/slim-qcom-ctrl.txt +++ b/Documentation/devicetree/bindings/slimbus/slim-qcom-ctrl.txt @@ -4,9 +4,6 @@ master component. Required properties: - - #address-cells - refer to Documentation/devicetree/bindings/slimbus/bus.txt - - #size-cells - refer to Documentation/devicetree/bindings/slimbus/bus.txt - - reg : Offset and length of the register region(s) for the device - reg-names : Register region name(s) referenced in reg above Required register resource entries are: diff --git a/Documentation/devicetree/bindings/slimbus/slimbus.yaml b/Documentation/devicetree/bindings/slimbus/slimbus.yaml new file mode 100644 index 000000000000..22513fb7c59a --- /dev/null +++ b/Documentation/devicetree/bindings/slimbus/slimbus.yaml @@ -0,0 +1,95 @@ +# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/slimbus/slimbus.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: SLIM (Serial Low Power Interchip Media) bus + +maintainers: + - Srinivas Kandagatla + +description: + SLIMbus is a 2-wire bus, and is used to communicate with peripheral + components like audio-codec. + +properties: + $nodename: + pattern: "^slim(@.*|-[0-9a-f])*$" + + "#address-cells": + const: 2 + + "#size-cells": + const: 0 + +patternProperties: + "^.*@[0-9a-f]+,[0-9a-f]+$": + type: object + description: | + Every SLIMbus controller node can contain zero or more child nodes + representing slave devices on the bus. Every SLIMbus slave device is + uniquely determined by the enumeration address containing 4 fields:: + Manufacturer ID, Product code, Device index, and Instance value for the + device. + + If child node is not present and it is instantiated after device + discovery (slave device reporting itself present). + + In some cases it may be necessary to describe non-probeable device + details such as non-standard ways of powering up a device. In such cases, + child nodes for those devices will be present as slaves of the SLIMbus + controller. + + properties: + compatible: + pattern: "^slim[0-9a-f]+,[0-9a-f]+$" + + reg: + maxItems: 1 + description: | + Pair of (device index, instande ID), where:: + - Device index, which uniquely identifies multiple devices within a + single component. + - Instance ID, can be used for the cases where multiple devices of + the same type or class are attached to the bus. + + required: + - compatible + - reg + + additionalProperties: true + +required: + - "#address-cells" + - "#size-cells" + +additionalProperties: true + +examples: + - | + #include + #include + #include + + soc { + #address-cells = <1>; + #size-cells = <1>; + ranges; + + slim@28080000 { + compatible = "qcom,apq8064-slim", "qcom,slim"; + reg = <0x28080000 0x2000>, <0x80207c 4>; + reg-names = "ctrl", "slew"; + interrupts = ; + clocks = <&lcc SLIMBUS_SRC>, <&lcc AUDIO_SLIMBUS_CLK>; + clock-names = "iface", "core"; + #address-cells = <2>; + #size-cells = <0>; + + audio-codec@1,0 { + compatible = "slim217,60"; + reg = <1 0>; + }; + }; + };