From: Shengjiu Wang <shengjiu.wang@nxp.com>
To: timur@kernel.org, nicoleotsuka@gmail.com, Xiubo.Lee@gmail.com,
festevam@gmail.com, broonie@kernel.org,
alsa-devel@alsa-project.org, lgirdwood@gmail.com, perex@perex.cz,
tiwai@suse.com, robh+dt@kernel.org, mark.rutland@arm.com,
devicetree@vger.kernel.org, shawnguo@kernel.org,
s.hauer@pengutronix.de, kernel@pengutronix.de, linux-imx@nxp.com,
linux-arm-kernel@lists.infradead.org
Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
Subject: [PATCH v4 7/8] ASoC: dt-bindings: fsl_easrc: Add document for EASRC
Date: Sun, 1 Mar 2020 13:24:18 +0800 [thread overview]
Message-ID: <2aa0b446c3e2af59e3472d8f7706298691ec4a5c.1583039752.git.shengjiu.wang@nxp.com> (raw)
In-Reply-To: <cover.1583039752.git.shengjiu.wang@nxp.com>
In-Reply-To: <cover.1583039752.git.shengjiu.wang@nxp.com>
EASRC (Enhanced Asynchronous Sample Rate Converter) is a new
IP module found on i.MX8MN.
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
---
.../devicetree/bindings/sound/fsl,easrc.yaml | 96 +++++++++++++++++++
1 file changed, 96 insertions(+)
create mode 100644 Documentation/devicetree/bindings/sound/fsl,easrc.yaml
diff --git a/Documentation/devicetree/bindings/sound/fsl,easrc.yaml b/Documentation/devicetree/bindings/sound/fsl,easrc.yaml
new file mode 100644
index 000000000000..500af8f0c8f0
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/fsl,easrc.yaml
@@ -0,0 +1,96 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/fsl,easrc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NXP Asynchronous Sample Rate Converter (ASRC) Controller
+
+maintainers:
+ - Shengjiu Wang <shengjiu.wang@nxp.com>
+
+properties:
+ $nodename:
+ pattern: "^easrc@.*"
+
+ compatible:
+ oneOf:
+ - items:
+ - enum:
+ - fsl,imx8mn-easrc
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ items:
+ - description: Peripheral clock
+
+ clock-names:
+ items:
+ - const: mem
+
+ dmas:
+ maxItems: 8
+
+ dma-names:
+ oneOf:
+ - items:
+ - const: ctx0_rx
+ - const: ctx0_tx
+ - const: ctx1_rx
+ - const: ctx1_tx
+ - const: ctx2_rx
+ - const: ctx2_tx
+ - const: ctx3_rx
+ - const: ctx3_tx
+
+ fsl,easrc-ram-script-name:
+ $ref: /schemas/types.yaml#/definitions/string
+ description: The coefficient table for the filters
+
+ fsl,asrc-rate:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: Defines a mutual sample rate used by DPCM Back Ends
+
+ fsl,asrc-format:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: Defines a mutual sample format used by DPCM Back Ends
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - clock-names
+ - dmas
+ - dma-name
+ - fsl,easrc-ram-script-name
+ - fsl,asrc-rate
+ - fsl,asrc-format
+
+examples:
+ - |
+ #include <dt-bindings/clock/imx8mn-clock.h>
+
+ easrc: easrc@300C0000 {
+ compatible = "fsl,imx8mn-easrc";
+ reg = <0x0 0x300C0000 0x0 0x10000>;
+ interrupts = <0x0 122 0x4>;
+ clocks = <&clk IMX8MN_CLK_ASRC_ROOT>;
+ clock-names = "mem";
+ dmas = <&sdma2 16 23 0> , <&sdma2 17 23 0>,
+ <&sdma2 18 23 0> , <&sdma2 19 23 0>,
+ <&sdma2 20 23 0> , <&sdma2 21 23 0>,
+ <&sdma2 22 23 0> , <&sdma2 23 23 0>;
+ dma-names = "ctx0_rx", "ctx0_tx",
+ "ctx1_rx", "ctx1_tx",
+ "ctx2_rx", "ctx2_tx",
+ "ctx3_rx", "ctx3_tx";
+ fsl,easrc-ram-script-name = "imx/easrc/easrc-imx8mn.bin";
+ fsl,asrc-rate = <8000>;
+ fsl,asrc-format = <2>;
+ status = "disabled";
+ };
--
2.21.0
next prev parent reply other threads:[~2020-03-01 5:30 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-01 5:24 [PATCH v4 0/8] ASoC: Add new module driver for new ASRC Shengjiu Wang
2020-03-01 5:24 ` [PATCH v4 1/8] ASoC: dt-bindings: fsl_asrc: Change asrc-width to asrc-format Shengjiu Wang
2020-03-03 1:41 ` Rob Herring
2020-03-03 3:59 ` Shengjiu Wang
2020-03-03 7:37 ` Nicolin Chen
2020-03-03 12:47 ` Mark Brown
2020-03-07 3:24 ` Shengjiu Wang
2020-03-01 5:24 ` [PATCH v4 2/8] ARM: dts: imx6qdl: " Shengjiu Wang
2020-03-01 5:24 ` [PATCH v4 3/8] ASoC: fsl-asoc-card: " Shengjiu Wang
2020-03-01 5:24 ` [PATCH v4 4/8] ASoC: fsl_asrc: Change asrc_width to asrc_format Shengjiu Wang
2020-03-01 5:24 ` [PATCH v4 5/8] ASoC: fsl_asrc: rename asrc_priv to asrc Shengjiu Wang
2020-03-01 5:24 ` [PATCH v4 6/8] ASoC: fsl_asrc: Move common definition to fsl_asrc_common Shengjiu Wang
2020-03-01 5:24 ` Shengjiu Wang [this message]
2020-03-03 1:46 ` [PATCH v4 7/8] ASoC: dt-bindings: fsl_easrc: Add document for EASRC Rob Herring
2020-03-01 5:24 ` [PATCH v4 8/8] ASoC: fsl_easrc: Add EASRC ASoC CPU DAI and platform drivers Shengjiu Wang
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