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Wed, 16 Sep 2020 09:18:14 +0000 From: "Viorel Suman (OSS)" To: Liam Girdwood , Mark Brown , Rob Herring , Jaroslav Kysela , Takashi Iwai , Timur Tabi , Nicolin Chen , Xiubo Li , Fabio Estevam , Shengjiu Wang , Philipp Zabel , Matthias Schiffer , Cosmin-Gabriel Samoila , Viorel Suman , alsa-devel@alsa-project.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Subject: [PATCH 2/2] ASoC: dt-bindings: fsl_xcvr: Add document for XCVR Date: Wed, 16 Sep 2020 12:17:56 +0300 Message-Id: <1600247876-8013-3-git-send-email-viorel.suman@oss.nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1600247876-8013-1-git-send-email-viorel.suman@oss.nxp.com> References: <1600247876-8013-1-git-send-email-viorel.suman@oss.nxp.com> X-ClientProxiedBy: AM0PR01CA0158.eurprd01.prod.exchangelabs.com (2603:10a6:208:aa::27) To VI1PR0401MB2272.eurprd04.prod.outlook.com (2603:10a6:800:31::12) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from fsr-ub1664-116.ea.freescale.net (83.217.231.2) by AM0PR01CA0158.eurprd01.prod.exchangelabs.com (2603:10a6:208:aa::27) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.20.3391.11 via Frontend Transport; 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Signed-off-by: Viorel Suman --- .../devicetree/bindings/sound/fsl,xcvr.yaml | 104 +++++++++++++++++++++ 1 file changed, 104 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/fsl,xcvr.yaml diff --git a/Documentation/devicetree/bindings/sound/fsl,xcvr.yaml b/Documentation/devicetree/bindings/sound/fsl,xcvr.yaml new file mode 100644 index 00000000..d4bb792 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/fsl,xcvr.yaml @@ -0,0 +1,104 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/fsl,xcvr.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP Audio Transceiver (XCVR) Controller + +maintainers: + - Viorel Suman + +properties: + $nodename: + pattern: "^xcvr@.*" + + compatible: + const: fsl,imx8mp-xcvr + + reg: + items: + - description: 20K RAM for code and data + - description: registers space + - description: RX FIFO address + - description: TX FIFO address + + reg-names: + items: + - const: ram + - const: regs + - const: rxfifo + - const: txfifo + + interrupts: + maxItems: 3 + + clocks: + items: + - description: Peripheral clock + - description: PHY clock + - description: SPBA clock + - description: PLL clock + + clock-names: + items: + - const: ipg + - const: phy + - const: spba + - const: pll_ipg + + dmas: + maxItems: 2 + + dma-names: + items: + - const: rx + - const: tx + + firmware-name: + $ref: /schemas/types.yaml#/definitions/string + const: imx/xcvr/xcvr-imx8mp.bin + description: | + Should contain the name of the default firmware image + file located on the firmware search path + + resets: + maxItems: 1 + +required: + - compatible + - reg + - reg-names + - interrupts + - clocks + - clock-names + - dmas + - dma-names + - firmware-name + - resets + +examples: + - | + #include + #include + + xcvr: xcvr@30cc0000 { + compatible = "fsl,imx8mp-xcvr"; + reg = <0x30cc0000 0x800>, + <0x30cc0800 0x400>, + <0x30cc0c00 0x080>, + <0x30cc0e00 0x080>; + reg-names = "ram", "regs", "rxfifo", "txfifo"; + interrupts = , /* XCVR IRQ 0 */ + , /* XCVR IRQ 1 */ + ; /* XCVR PHY - SPDIF wakeup IRQ */ + clocks = <&audiomix_clk IMX8MP_CLK_AUDIOMIX_EARC_IPG>, + <&audiomix_clk IMX8MP_CLK_AUDIOMIX_EARC_PHY>, + <&audiomix_clk IMX8MP_CLK_AUDIOMIX_SPBA2_ROOT>, + <&audiomix_clk IMX8MP_CLK_AUDIOMIX_AUDPLL_ROOT>; + clock-names = "ipg", "phy", "spba", "pll_ipg"; + dmas = <&sdma2 30 2 0>, <&sdma2 31 2 0>; + dma-names = "rx", "tx"; + firmware-name = "imx/xcvr/xcvr-imx8mp.bin"; + resets = <&audiomix_reset 0>; + };