On Mon, Jul 20, 2020 at 12:22 PM Dan Murphy <dmurphy@xxxxxx> wrote:
>
> Rob
>
> On 7/15/20 3:15 PM, Rob Herring wrote:
> > On Fri, Jun 26, 2020 at 10:41:43AM -0500, Dan Murphy wrote:
> >> Convert the TAS2562 text file to yaml format.
> >>
> >> Signed-off-by: Dan Murphy <dmurphy@xxxxxx>
> >> ---
> >> .../devicetree/bindings/sound/tas2562.txt | 37 ---------
> >> .../devicetree/bindings/sound/tas2562.yaml | 77 +++++++++++++++++++
> >> 2 files changed, 77 insertions(+), 37 deletions(-)
> >> delete mode 100644 Documentation/devicetree/bindings/sound/tas2562.txt
> >> create mode 100644 Documentation/devicetree/bindings/sound/tas2562.yaml
> >>
> >> diff --git a/Documentation/devicetree/bindings/sound/tas2562.txt b/Documentation/devicetree/bindings/sound/tas2562.txt
> >> deleted file mode 100644
> >> index dc6d7362ded7..000000000000
> >> --- a/Documentation/devicetree/bindings/sound/tas2562.txt
> >> +++ /dev/null
> >> @@ -1,37 +0,0 @@
> >> -Texas Instruments TAS2562 Smart PA
> >> -
> >> -The TAS2562 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:
> >> - - #address-cells - Should be <1>.
> >> - - #size-cells - Should be <0>.
> >> - - compatible: - Should contain "ti,tas2562", "ti,tas2563".
> >> - - reg: - The i2c address. Should be 0x4c, 0x4d, 0x4e or 0x4f.
> >> - - ti,imon-slot-no:- TDM TX current sense time slot.
> >> - - ti,vmon-slot-no:- TDM TX voltage sense time slot. This slot must always be
> >> - greater then ti,imon-slot-no.
> >> -
> >> -Optional properties:
> >> -- interrupt-parent: phandle to the interrupt controller which provides
> >> - the interrupt.
> >> -- interrupts: (GPIO) interrupt to which the chip is connected.
> >> -- shut-down-gpio: GPIO used to control the state of the device.
> >> -
> >> -Examples:
> >> -tas2562@4c {
> >> - #address-cells = <1>;
> >> - #size-cells = <0>;
> >> - compatible = "ti,tas2562";
> >> - reg = <0x4c>;
> >> -
> >> - interrupt-parent = <&gpio1>;
> >> - interrupts = <14>;
> >> -
> >> - shut-down-gpio = <&gpio1 15 0>;
> >> - ti,imon-slot-no = <0>;
> >> - ti,vmon-slot-no = <1>;
> >> -};
> >> -
> >> diff --git a/Documentation/devicetree/bindings/sound/tas2562.yaml b/Documentation/devicetree/bindings/sound/tas2562.yaml
> >> new file mode 100644
> >> index 000000000000..1fb467e14d4c
> >> --- /dev/null
> >> +++ b/Documentation/devicetree/bindings/sound/tas2562.yaml
> >> @@ -0,0 +1,77 @@
> >> +# SPDX-License-Identifier: (GPL-2.0+ OR BSD-2-Clause)
> > Same licensing comment here as tas2770
>
> OK I will fix it like I did with the other TAS2770 patches
>
>
> >> +# Copyright (C) 2019 Texas Instruments Incorporated
> >> +%YAML 1.2
> >> +---
> >> +$id: "http://devicetree.org/schemas/sound/tas2562.yaml#";
> >> +$schema: "http://devicetree.org/meta-schemas/core.yaml#";
> >> +
> >> +title: Texas Instruments TAS2562 Smart PA
> >> +
> >> +maintainers:
> >> + - Dan Murphy <dmurphy@xxxxxx>
> >> +
> >> +description: |
> >> + The TAS2562 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.
> >> +
> >> +properties:
> >> + compatible:
> >> + enum:
> >> + - ti,tas2562
> >> + - ti,tas2563
> >> +
> >> + reg:
> >> + maxItems: 1
> >> + description: |
> >> + I2C address of the device can be one of these 0x4c, 0x4d, 0x4e or 0x4f
> >> +
> >> + shut-down-gpio:
> >> + description: GPIO used to control the state of the device.
> >> + deprecated: true
> > Why do we need this as the driver never worked?
>
> Not sure what you are asking.
>
> Driver has been fixed for this specific binding in sound for-next.
>
> https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git/commit/sound/soc/codecs/tas2562.c?h=for-next&id=bc07b54459cbb3a572a78b5c200ff79ef11b8158
Why fix the driver and then have to maintain compatibility? Just
update everything to use 'shutdown-gpios' and move on.
Rob
