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Fri, 16 Oct 2020 14:44:26 +0000 From: Sameer Pujar To: , , , , , , , , , Subject: [PATCH v4 11/15] ASoC: dt-bindings: tegra: Add json-schema for Tegra audio graph card Date: Fri, 16 Oct 2020 20:12:58 +0530 Message-ID: <1602859382-19505-12-git-send-email-spujar@nvidia.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1602859382-19505-1-git-send-email-spujar@nvidia.com> References: <1602859382-19505-1-git-send-email-spujar@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1602859461; bh=xaEKGdSJZpTs34Twkb/qEzNmCGGuDz9UrGpSqe3rqHo=; h=From:To:CC:Subject:Date:Message-ID:X-Mailer:In-Reply-To: References:MIME-Version:Content-Type; b=Gx0b2dL+nu5LPRbtcQgF0HkfqLE1ekVmKJZUUDyIEPrspvRehMVcYvnsmxsYCjc5l 5c0FU6ymVCkuo9aZ208scdfHc6gwQ2tOzuS9rENTnr2te5ZsCXt9NGGj1/KTys+6Ja lRYbTS48mhc8RaflOu3J9KeAK2w5WeqFChpUzBoK5csU+OMsumQdOiE7ime8qWdc4c ECmthX5NFRx1toYeuobXJGT+4nXv4gIGTDGIOTlcwVuzHPhpx6EfBUBxaOMqC9Kvrf +mKEWnOLRu5ZTd4lMzNKu6Uz7eUWfrlZwOqGVu88aKkaFcC6Dz+pYBkzNZGQAx6CsD I20vFeZMIaZUw== Cc: devicetree@vger.kernel.org, alsa-devel@alsa-project.org, nicoleotsuka@gmail.com, swarren@nvidia.com, Sameer Pujar , linux-kernel@vger.kernel.org, atalambedu@nvidia.com, viswanathl@nvidia.com, sharadg@nvidia.com, nwartikar@nvidia.com, linux-tegra@vger.kernel.org, rlokhande@nvidia.com, mkumard@nvidia.com, dramesh@nvidia.com 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" Add YAML schema for Tegra audio graph sound card DT bindings. It uses the same DT bindings provided by generic audio graph driver. Along with this few standard clock DT bindings are added which are specifically required for Tegra audio. Signed-off-by: Sameer Pujar --- .../sound/nvidia,tegra-audio-graph-card.yaml | 158 +++++++++++++++++++++ 1 file changed, 158 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/nvidia,tegra-audio-graph-card.yaml diff --git a/Documentation/devicetree/bindings/sound/nvidia,tegra-audio-graph-card.yaml b/Documentation/devicetree/bindings/sound/nvidia,tegra-audio-graph-card.yaml new file mode 100644 index 0000000..284d185 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/nvidia,tegra-audio-graph-card.yaml @@ -0,0 +1,158 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/nvidia,tegra-audio-graph-card.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Audio Graph based Tegra sound card driver + +description: | + This is based on generic audio graph card driver along with additional + customizations for Tegra platforms. It uses the same bindings with + additional standard clock DT bindings required for Tegra. + + See{LINUX}/Documentation/devicetree/bindings/sound/audio-graph-card.yaml + +maintainers: + - Jon Hunter + - Sameer Pujar + +properties: + compatible: + items: + - enum: + - nvidia,tegra210-audio-graph-card + - nvidia,tegra186-audio-graph-card + + dais: + $ref: /schemas/sound/audio-graph-card.yaml#/properties/dais + + label: + $ref: /schemas/sound/simple-card.yaml#/properties/label + + pa-gpios: + $ref: /schemas/sound/audio-graph-card.yaml#/properties/pa-gpios + + widgets: + $ref: /schemas/sound/simple-card.yaml#/definitions/widgets + + routing: + $ref: /schemas/sound/simple-card.yaml#/definitions/routing + + mclk-fs: + $ref: /schemas/sound/simple-card.yaml#/definitions/mclk-fs + + prefix: + $ref: /schemas/sound/simple-card.yaml#/definitions/prefix + + clocks: + minItems: 2 + + clock-names: + minItems: 2 + items: + - const: pll_a + - const: plla_out0 + + assigned-clocks: + minItems: 1 + maxItems: 3 + + assigned-clock-parents: + minItems: 1 + maxItems: 3 + + assigned-clock-rates: + minItems: 1 + maxItems: 3 + + ports: + $ref: /schemas/sound/audio-graph-card.yaml#/properties/ports + +patternProperties: + "^port(@[0-9a-f]+)?$": + $ref: /schemas/sound/audio-graph-card.yaml#/definitions/port + +additionalProperties: false + +required: + - compatible + - dais + - clocks + - clock-names + - assigned-clocks + - assigned-clock-parents + +examples: + - | + #include + + tegra_sound { + compatible = "nvidia,tegra210-audio-graph-card"; + + clocks = <&tegra_car TEGRA210_CLK_PLL_A>, + <&tegra_car TEGRA210_CLK_PLL_A_OUT0>; + clock-names = "pll_a", "plla_out0"; + + assigned-clocks = <&tegra_car TEGRA210_CLK_PLL_A>, + <&tegra_car TEGRA210_CLK_PLL_A_OUT0>, + <&tegra_car TEGRA210_CLK_EXTERN1>; + assigned-clock-parents = <0>, <0>, <&tegra_car TEGRA210_CLK_PLL_A_OUT0>; + assigned-clock-rates = <368640000>, <49152000>, <12288000>; + + dais = /* FE */ + <&admaif1_port>, + /* Router */ + <&xbar_i2s1_port>, + /* I/O DAP Ports */ + <&i2s1_port>; + + label = "jetson-tx1-ape"; + }; + + tegra_ahub: ahub@702d0800 { + // ... + + reg = <0x702d0800 0x800>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + xbar_i2s1_port: port@a { + reg = <0xa>; + xbar_i2s1_ep: endpoint { + remote-endpoint = <&i2s1_cif_ep>; + }; + }; + }; + }; + + tegra_i2s1: i2s@702d1000 { + // ... + + #address-cells = <1>; + #size-cells = <0>; + + reg = <0x702d1000 0x100>; + + port@0 { + reg = <0>; + + i2s1_cif_ep: endpoint { + remote-endpoint = <&xbar_i2s1_ep>; + }; + }; + + i2s1_port: port@1 { + reg = <1>; + + i2s1_dap: endpoint { + dai-format = "i2s"; + + // ... + }; + }; + }; + +... -- 2.7.4