From: Dan Murphy <dmurphy@ti.com>
To: <shifu0704@thundersoft.com>, <lgirdwood@gmail.com>,
<broonie@kernel.org>, <perex@perex.cz>, <tiwai@suse.com>,
<linux-kernel@vger.kernel.org>, <alsa-devel@alsa-project.org>
Cc: navada@ti.com
Subject: Re: [alsa-devel] [PATCH] tas2770: add tas2770 smart PA dt bindings
Date: Tue, 10 Sep 2019 08:21:25 -0500 [thread overview]
Message-ID: <76759c2c-3f5d-5cf6-fc2b-feb1dc8c0e6a@ti.com> (raw)
In-Reply-To: <1567753564-13699-1-git-send-email-shifu0704@thundersoft.com>
Shi
On 9/6/19 2:06 AM, shifu0704@thundersoft.com wrote:
> From: Frank Shi <shifu0704@thundersoft.com>
Subject should be
dt-bindings: ASoC: Add tas2770 smart PA dt bindings
Also Please add Rob Herring <robh+dt@kernel.org> for review
> add tas2770 smart PA dt bindings
>
> Signed-off-by: Frank Shi <shifu0704@thundersoft.com>
> ---
> Documentation/devicetree/bindings/tas2770.txt | 38 +++++++++++++++++++++++++++
> 1 file changed, 38 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/tas2770.txt
>
> diff --git a/Documentation/devicetree/bindings/tas2770.txt b/Documentation/devicetree/bindings/tas2770.txt
> new file mode 100644
> index 0000000..f70b310
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/tas2770.txt
> @@ -0,0 +1,38 @@
> +Texas Instruments TAS2770 Smart PA
> +
> +The TAS2770 is a mono, digital input Class-D audio amplifier optimized for
> +efficiently driving high peak power into small loudspeakers.
> +Integrated speaker voltage and current sense provides for
> +real time monitoring of loudspeaker behavior.
> +
> +Required properties:
> +
> + - compatible: - Should contain "ti,tas2770".
> + - reg: - The i2c address. Should contain <0x4c>, <0x4d>,<0x4e>, or <0x4f>.
s/should/may
> + - #address-cells - Should be <1>.
> + - #size-cells - Should be <0>.
> + - ti,asi-format: - Sets TDM RX capture edge. 0->Rising; 1->Falling.
> + - ti,left-slot: - Sets TDM RX left time slots.
> + - ti,right-slot: - Sets TDM RX right time slots.
> + - ti,imon-slot-no:- TDM TX current sense time slot.
> + - ti,vmon-slot-no:- TDM TX voltage sense time slot.
> +
> +Optional properties:
> +
> + - reset-gpio: Reset GPIO number of left device.
> + - irq-gpio: IRQ GPIO number of left device.
You might want to use
- interrupt-parent: the phandle to the interrupt controller which provides
the interrupt.
- interrupts: interrupt specification for data-ready.
Instead of irq-gpio
> +
> +Examples:
> +
> + tas2770@4c {
> + compatible = "ti,tas2770";
> + reg = <0x4c>;
Missing
#address-cells = <1>;
#size-cells = <0>;
> + reset-gpio = <&gpio15 1 GPIO_ACTIVE_LOW>;
> + irq-gpio = <&gpio16 1 GPIO_ACTIVE_LOW>;
> + ti,asi-format = <0>;
> + ti,left-slot = <0>;
> + ti,right-slot = <1>;
> + ti,imon-slot-no = <0>;
> + ti,vmon-slot-no = <2>;
> + };
> +
Suggestion to provide the URL to the data sheet.
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next prev parent reply other threads:[~2019-09-10 13:22 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-06 7:06 [alsa-devel] [PATCH] tas2770: add tas2770 smart PA dt bindings shifu0704
2019-09-06 7:06 ` [alsa-devel] [PATCH] tas2770: add tas2770 smart PA kernel driver shifu0704
2019-09-10 12:33 ` Mark Brown
2019-09-10 13:58 ` Dan Murphy
2019-09-10 11:37 ` [alsa-devel] [PATCH] tas2770: add tas2770 smart PA dt bindings Mark Brown
2019-09-10 13:21 ` Dan Murphy [this message]
2019-09-10 13:47 ` Dan Murphy
2019-09-11 10:01 ` Mark Brown
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