From: Rob Herring <robh@kernel.org>
To: "Viorel Suman (OSS)" <viorel.suman@oss.nxp.com>
Cc: devicetree@vger.kernel.org, alsa-devel@alsa-project.org,
Matthias Schiffer <matthias.schiffer@ew.tq-group.com>,
Viorel Suman <viorel.suman@nxp.com>,
Timur Tabi <timur@kernel.org>, Xiubo Li <Xiubo.Lee@gmail.com>,
Shengjiu Wang <shengjiu.wang@gmail.com>,
linuxppc-dev@lists.ozlabs.org, Takashi Iwai <tiwai@suse.com>,
Liam Girdwood <lgirdwood@gmail.com>,
Nicolin Chen <nicoleotsuka@gmail.com>,
Mark Brown <broonie@kernel.org>,
NXP Linux Team <linux-imx@nxp.com>,
Philipp Zabel <p.zabel@pengutronix.de>,
Viorel Suman <viorel.suman@gmail.com>,
Cosmin-Gabriel Samoila <cosmin.samoila@nxp.com>,
Jaroslav Kysela <perex@perex.cz>,
Fabio Estevam <festevam@gmail.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 2/2] ASoC: dt-bindings: fsl_xcvr: Add document for XCVR
Date: Tue, 6 Oct 2020 13:34:42 -0500 [thread overview]
Message-ID: <20201006183442.GA2591611@bogus> (raw)
In-Reply-To: <1601371167-32239-3-git-send-email-viorel.suman@oss.nxp.com>
On Tue, Sep 29, 2020 at 12:19:27PM +0300, Viorel Suman (OSS) wrote:
> From: Viorel Suman <viorel.suman@nxp.com>
>
> XCVR (Audio Transceiver) is a new IP module found on i.MX8MP.
>
> Signed-off-by: Viorel Suman <viorel.suman@nxp.com>
> ---
> .../devicetree/bindings/sound/fsl,xcvr.yaml | 103 +++++++++++++++++++++
> 1 file changed, 103 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..8abab2d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/fsl,xcvr.yaml
> @@ -0,0 +1,103 @@
> +# 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 <viorel.suman@nxp.com>
> +
> +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: 1
> +
> + 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
We generally only have this if the name/path can't be fixed (per
compatible) in the driver. Given you only have 1 possible value, that
doesn't seem to be the case here.
> +
> + resets:
> + maxItems: 1
> +
> +required:
> + - compatible
> + - reg
> + - reg-names
> + - interrupts
> + - clocks
> + - clock-names
> + - dmas
> + - dma-names
> + - firmware-name
> + - resets
additionalProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/interrupt-controller/arm-gic.h>
> + #include <dt-bindings/clock/imx8mp-clock.h>
> + #include <dt-bindings/reset/imx8mp-reset.h>
> +
> + xcvr: xcvr@30cc0000 {
> + compatible = "fsl,imx8mp-xcvr";
> + reg = <0x30cc0000 0x800>,
> + <0x30cc0800 0x400>,
> + <0x30cc0c00 0x080>,
> + <0x30cc0e00 0x080>;
> + reg-names = "ram", "regs", "rxfifo", "txfifo";
> + interrupts = <0x0 128 IRQ_TYPE_LEVEL_HIGH>;
> + 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>;
> + };
> --
> 2.7.4
>
next prev parent reply other threads:[~2020-10-06 18:36 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-29 9:19 [PATCH v3 0/2] DAI driver for new XCVR IP Viorel Suman (OSS)
2020-09-29 9:19 ` [PATCH v3 1/2] ASoC: fsl_xcvr: Add XCVR ASoC CPU DAI driver Viorel Suman (OSS)
2020-09-29 9:19 ` [PATCH v3 2/2] ASoC: dt-bindings: fsl_xcvr: Add document for XCVR Viorel Suman (OSS)
2020-10-06 18:34 ` Rob Herring [this message]
2020-10-13 12:15 ` Viorel Suman (OSS)
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