Re: [PATCH] tas2770: add tas2770 smart PA dt bindings
On Tue, Sep 10, 2019 at 08:21:25AM -0500, Dan Murphy wrote: > Shi > > On 9/6/19 2:06 AM, shifu0...@thundersoft.com wrote: > > From: Frank Shi > > Subject should be > > dt-bindings: ASoC: Add tas2770 smart PA dt bindings I do find it easier to use "ASoC: dt-bindings:", helps avoid things being missed. signature.asc Description: PGP signature
Re: [PATCH] tas2770: add tas2770 smart PA dt bindings
Shi One other thing On 9/10/19 8:21 AM, Dan Murphy wrote: Shi On 9/6/19 2:06 AM, shifu0...@thundersoft.com wrote: From: Frank Shi Subject should be dt-bindings: ASoC: Add tas2770 smart PA dt bindings Also Please add Rob Herring for review add tas2770 smart PA dt bindings Signed-off-by: Frank Shi --- 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 This binding belongs in Documentation/devicetree/bindings/sound new file mode 100644 index 000..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 = < 1 GPIO_ACTIVE_LOW>; + irq-gpio = < 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.
Re: [PATCH] tas2770: add tas2770 smart PA dt bindings
Shi On 9/6/19 2:06 AM, shifu0...@thundersoft.com wrote: From: Frank Shi Subject should be dt-bindings: ASoC: Add tas2770 smart PA dt bindings Also Please add Rob Herring for review add tas2770 smart PA dt bindings Signed-off-by: Frank Shi --- 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 000..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 = < 1 GPIO_ACTIVE_LOW>; +irq-gpio = < 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.
Re: [PATCH] tas2770: add tas2770 smart PA dt bindings
On Fri, Sep 06, 2019 at 03:06:03PM +0800, shifu0...@thundersoft.com wrote: > + - ti,left-slot: - Sets TDM RX left time slots. > + - ti,right-slot: - Sets TDM RX right time slots. This looks like it's duplicating things that are normally done with the set_tdm_slot() callback. Otherwise the binding looks good. signature.asc Description: PGP signature