linux-kernel - Re: [PATCH v3 1/3] dt-bindings: sound: Add DT bindings for Broadcom Cygnus audio

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Date:	Mon, 9 Nov 2015 10:32:30 -0600
From:	Rob Herring <robh@...nel.org>
To:	Simran Rai <ssimran@...adcom.com>
Cc:	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>, Ray Jui <rjui@...adcom.com>,
	Scott Branden <sbranden@...adcom.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>,
	Jaroslav Kysela <perex@...ex.cz>,
	Takashi Iwai <tiwai@...e.com>,
	Lori Hikichi <lhikichi@...adcom.com>,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	bcm-kernel-feedback-list@...adcom.com,
	linux-kernel@...r.kernel.org,
	Arun Parameswaran <arunp@...adcom.com>,
	alsa-devel@...a-project.org
Subject: Re: [PATCH v3 1/3] dt-bindings: sound: Add DT bindings for Broadcom
 Cygnus audio

On Fri, Nov 06, 2015 at 06:22:43PM -0800, Simran Rai wrote:
> Add bindings for audio driver in Broadcom Cygnus.
> 
> Signed-off-by: Lori Hikichi <lhikichi@...adcom.com>
> Signed-off-by: Simran Rai <ssimran@...adcom.com>
> Reviewed-by: Ray Jui <rjui@...adcom.com>
> Reviewed-by: Scott Branden <sbranden@...adcom.com>

Acked-by: Rob Herring <robh@...nel.org>


> ---
>  .../bindings/sound/brcm,cygnus-audio.txt           |   54 ++++++++++++++++++++
>  1 file changed, 54 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/sound/brcm,cygnus-audio.txt
> 
> diff --git a/Documentation/devicetree/bindings/sound/brcm,cygnus-audio.txt b/Documentation/devicetree/bindings/sound/brcm,cygnus-audio.txt
> new file mode 100644
> index 0000000..3c06001
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/brcm,cygnus-audio.txt
> @@ -0,0 +1,54 @@
> +BROADCOM Cygnus Audio I2S/TDM/SPDIF controller
> +
> +Required properties:
> +	- compatible : "brcm,cygnus-audio"
> +	- #address-cells: 32bit valued, 1 cell.
> +	- #size-cells:  32bit valued, 0 cell.
> +	- reg : Should contain audio registers location and length
> +	- reg-names: names of the registers listed in "reg" property
> +		Valid names are "aud" and "i2s_in". "aud" contains a
> +		set of DMA, I2S_OUT and SPDIF registers. "i2s_in" contains
> +		a set of I2S_IN registers.
> +	- clocks: PLL and leaf clocks used by audio ports
> +	- clock-names: names of 3 leaf clocks used by audio ports
> +		Valid names are "ch0_audio", "ch1_audio", "ch2_audio"
> +	- interrupts: audio DMA interrupt number
> +
> +SSP Subnode properties:
> +- reg: The index of ssp port interface to use
> +	Valid value are 0, 1, 2, or 3 (for spdif)
> +
> +
> +Example:
> +	cygnus_audio: audio@...ae000 {
> +		compatible = "brcm,cygnus-audio";
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +		reg = <0x180ae000 0xafd>, <0x180aec00 0x1f8>;
> +		reg-names = "aud", "i2s_in";
> +		clocks = <&audiopll BCM_CYGNUS_AUDIOPLL_CH0>,
> +				<&audiopll BCM_CYGNUS_AUDIOPLL_CH1>,
> +				<&audiopll BCM_CYGNUS_AUDIOPLL_CH2>;
> +		clock-names = "ch0_audio", "ch1_audio", "ch2_audio";
> +		interrupts = <GIC_SPI 143 IRQ_TYPE_LEVEL_HIGH>;
> +
> +		ssp0: ssp_port@0 {
> +			reg = <0>;
> +			status = "okay";
> +		};
> +
> +		ssp1: ssp_port@1 {
> +			reg = <1>;
> +			status = "disabled";
> +		};
> +
> +		ssp2: ssp_port@2 {
> +			reg = <2>;
> +			status = "disabled";
> +		};
> +
> +		spdif: spdif_port@3 {
> +			reg = <3>;
> +			status = "disabled";
> +		};
> +	};
> -- 
> 1.7.9.5
> 
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