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Tue, 12 May 2020 08:16:05 -0500 Received: from feketebors.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0326.itg.ti.com (8.15.2/8.15.2) with ESMTP id 04CDFxac079268; Tue, 12 May 2020 08:16:03 -0500 From: Peter Ujfalusi To: , , Subject: [PATCH v2 2/3] bindings: sound: Add documentation for TI j721e EVM (CPB and IVI) Date: Tue, 12 May 2020 16:16:32 +0300 Message-ID: <20200512131633.32668-3-peter.ujfalusi@ti.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200512131633.32668-1-peter.ujfalusi@ti.com> References: <20200512131633.32668-1-peter.ujfalusi@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Cc: devicetree@vger.kernel.org, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org 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" The audio support on the Common Processor Board board is using pcm3168a codec connected to McASP10 serializers in parallel setup. The Infotainment board plugs into the Common Processor Board, the support of the extension board is extending the CPB audio support by adding the two codecs on the expansion board. The audio support on the Infotainment Expansion Board consists of McASP0 connected to two pcm3168a codecs with dedicated set of serializers to each. The SCKI for pcm3168a is sourced from j721e AUDIO_REFCLK0 pin. Signed-off-by: Peter Ujfalusi --- .../bindings/sound/ti,j721e-cpb-audio.yaml | 93 ++++++++++++ .../sound/ti,j721e-cpb-ivi-audio.yaml | 142 ++++++++++++++++++ 2 files changed, 235 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/ti,j721e-cpb-audio.yaml create mode 100644 Documentation/devicetree/bindings/sound/ti,j721e-cpb-ivi-audio.yaml diff --git a/Documentation/devicetree/bindings/sound/ti,j721e-cpb-audio.yaml b/Documentation/devicetree/bindings/sound/ti,j721e-cpb-audio.yaml new file mode 100644 index 000000000000..0355ffc2b01b --- /dev/null +++ b/Documentation/devicetree/bindings/sound/ti,j721e-cpb-audio.yaml @@ -0,0 +1,93 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/ti,j721e-cpb-audio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Texas Instruments J721e Common Processor Board Audio Support + +maintainers: + - Peter Ujfalusi + +description: | + The audio support on the board is using pcm3168a codec connected to McASP10 + serializers in parallel setup. + The pcm3168a SCKI clock is sourced from j721e AUDIO_REFCLK2 pin. + In order to support 48KHz and 44.1KHz family of sampling rates the parent + clock for AUDIO_REFCLK2 needs to be changed between PLL4 (for 48KHz) and + PLL15 (for 44.1KHz). The same PLLs are used for McASP10's AUXCLK clock via + different HSDIVIDER. + +properties: + compatible: + items: + - const: ti,j721e-cpb-audio + + model: + $ref: /schemas/types.yaml#/definitions/string + description: User specified audio sound card name + + ti,cpb-mcasp: + description: phandle to McASP10 + allOf: + - $ref: /schemas/types.yaml#/definitions/phandle + + ti,cpb-codec: + description: phandle to the pcm3168a codec used on the CPB + allOf: + - $ref: /schemas/types.yaml#/definitions/phandle + + clocks: + items: + - description: PLL4 clock + - description: PLL15 clock + - description: McASP10 auxclk clock + - description: PLL4_HSDIV0 parent for McASP10 auxclk (for 48KHz) + - description: PLL15_HSDIV0 parent for McASP10 auxclk (for 44.1KHz) + - description: AUDIO_REFCLK2 clock + - description: PLL4_HSDIV2 parent for AUDIO_REFCLK2 clock (for 48KHz) + - description: PLL15_HSDIV2 parent for AUDIO_REFCLK2 clock (for 44.1KHz) + + clock-names: + items: + - const: pll4 + - const: pll15 + - const: cpb-mcasp + - const: cpb-mcasp-48000 + - const: cpb-mcasp-44100 + - const: audio-refclk2 + - const: audio-refclk2-48000 + - const: audio-refclk2-44100 + +required: + - compatible + - model + - ti,cpb-mcasp + - ti,cpb-codec + - clocks + - clock-names + +additionalProperties: false + +examples: + - |+ + sound { + compatible = "ti,j721e-cpb-audio"; + model = "j721e-cpb"; + + status = "okay"; + + ti,cpb-mcasp = <&mcasp10>; + ti,cpb-codec = <&pcm3168a_1>; + + clocks = <&pll4>, <&pll15>, + <&k3_clks 184 1>, + <&k3_clks 184 2>, <&k3_clks 184 4>, + <&k3_clks 157 371>, + <&k3_clks 157 400>, <&k3_clks 157 401>; + clock-names = "pll4", "pll15", + "cpb-mcasp", + "cpb-mcasp-48000", "cpb-mcasp-44100", + "audio-refclk2", + "audio-refclk2-48000", "audio-refclk2-44100"; + }; diff --git a/Documentation/devicetree/bindings/sound/ti,j721e-cpb-ivi-audio.yaml b/Documentation/devicetree/bindings/sound/ti,j721e-cpb-ivi-audio.yaml new file mode 100644 index 000000000000..3951c1320fae --- /dev/null +++ b/Documentation/devicetree/bindings/sound/ti,j721e-cpb-ivi-audio.yaml @@ -0,0 +1,142 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/ti,j721e-cpb-ivi-audio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Texas Instruments J721e Common Processor Board Audio Support + +maintainers: + - Peter Ujfalusi + +description: | + The Infotainment board plugs into the Common Processor Board, the support of the + extension board is extending the CPB audio support, decribed in: + sound/ti,j721e-cpb-audio.txt + + The audio support on the Infotainment Expansion Board consists of McASP0 + connected to two pcm3168a codecs with dedicated set of serializers to each. + The SCKI for pcm3168a is sourced from j721e AUDIO_REFCLK0 pin. + + In order to support 48KHz and 44.1KHz family of sampling rates the parent clock + for AUDIO_REFCLK0 needs to be changed between PLL4 (for 48KHz) and PLL15 (for + 44.1KHz). The same PLLs are used for McASP0's AUXCLK clock via different + HSDIVIDER. + + Note: the same PLL4 and PLL15 is used by the audio support on the CPB! + +properties: + compatible: + items: + - const: ti,j721e-cpb-ivi-audio + + model: + $ref: /schemas/types.yaml#/definitions/string + description: User specified audio sound card name + + ti,cpb-mcasp: + description: phandle to McASP10 + allOf: + - $ref: /schemas/types.yaml#/definitions/phandle + + ti,cpb-codec: + description: phandle to the pcm3168a codec used on the CPB + allOf: + - $ref: /schemas/types.yaml#/definitions/phandle + + ti,ivi-mcasp: + description: phandle to McASP9 + allOf: + - $ref: /schemas/types.yaml#/definitions/phandle + + ti,ivi-codec-a: + description: phandle to the pcm3168a-A codec on the expansion board + allOf: + - $ref: /schemas/types.yaml#/definitions/phandle + + ti,ivi-codec-b: + description: phandle to the pcm3168a-B codec on the expansion board + allOf: + - $ref: /schemas/types.yaml#/definitions/phandle + + clocks: + items: + - description: PLL4 clock + - description: PLL15 clock + - description: McASP10 auxclk clock + - description: PLL4_HSDIV0 parent for McASP10 auxclk (for 48KHz) + - description: PLL15_HSDIV0 parent for McASP10 auxclk (for 44.1KHz) + - description: AUDIO_REFCLK2 clock + - description: PLL4_HSDIV2 parent for AUDIO_REFCLK2 clock (for 48KHz) + - description: PLL15_HSDIV2 parent for AUDIO_REFCLK2 clock (for 44.1KHz) + - description: McASP0 auxclk clock + - description: PLL4_HSDIV0 parent for McASP0 auxclk (for 48KHz) + - description: PLL15_HSDIV0 parent for McASP0 auxclk (for 44.1KHz) + - description: AUDIO_REFCLK0 clock + - description: PLL4_HSDIV2 parent for AUDIO_REFCLK0 clock (for 48KHz) + - description: PLL15_HSDIV2 parent for AUDIO_REFCLK0 clock (for 44.1KHz) + + clock-names: + items: + - const: pll4 + - const: pll15 + - const: cpb-mcasp + - const: cpb-mcasp-48000 + - const: cpb-mcasp-44100 + - const: audio-refclk2 + - const: audio-refclk2-48000 + - const: audio-refclk2-44100 + - const: ivi-mcasp + - const: ivi-mcasp-48000 + - const: ivi-mcasp-44100 + - const: audio-refclk0 + - const: audio-refclk0-48000 + - const: audio-refclk0-44100 + +required: + - compatible + - model + - ti,cpb-mcasp + - ti,cpb-codec + - ti,ivi-mcasp + - ti,ivi-codec-a + - ti,ivi-codec-b + - clocks + - clock-names + +additionalProperties: false + +examples: + - |+ + sound { + compatible = "ti,j721e-cpb-ivi-audio"; + model = "j721e-cpb-ivi"; + + status = "okay"; + + ti,cpb-mcasp = <&mcasp10>; + ti,cpb-codec = <&pcm3168a_1>; + + ti,ivi-mcasp = <&mcasp0>; + ti,ivi-codec-a = <&pcm3168a_a>; + ti,ivi-codec-b = <&pcm3168a_b>; + + clocks = <&pll4>, <&pll15>, + <&k3_clks 184 1>, + <&k3_clks 184 2>, <&k3_clks 184 4>, + <&k3_clks 157 371>, + <&k3_clks 157 400>, <&k3_clks 157 401>, + <&k3_clks 174 1>, + <&k3_clks 174 2>, <&k3_clks 174 4>, + <&k3_clks 157 301>, + <&k3_clks 157 330>, <&k3_clks 157 331>; + clock-names = "pll4", "pll15", + "cpb-mcasp", + "cpb-mcasp-48000", "cpb-mcasp-44100", + "audio-refclk2", + "audio-refclk2-48000", "audio-refclk2-44100", + "ivi-mcasp", + "ivi-mcasp-48000", "ivi-mcasp-44100", + "audio-refclk0", + "audio-refclk0-48000", "audio-refclk0-44100"; + };