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ASoC: dt-bindings: rt1011: add r0 and temperature device property

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Typically, the r0 (calibration data) and temperature were measured in the factory.
This information is written into the non-volatile area
where keeps data whether factory reset or OS update.

Signed-off-by: Shuming Fan <shumingf@realtek.com>
Link: https://lore.kernel.org/r/20191016115617.23213-1-shumingf@realtek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Shuming Fan 2019-10-16 19:56:17 +08:00 committed by Mark Brown
parent 3ad00f6a5f
commit cf775f68a0
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10
Documentation/devicetree/bindings/sound/rt1011.txt
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@ -20,6 +20,14 @@ Required properties:
| 1 | 1 | 0x3b |
-------------------------------------
Optional properties:
- realtek,temperature_calib
u32. The temperature was measured while doing the calibration. Units: Celsius degree
- realtek,r0_calib
u32. This is r0 calibration data which was measured in factory mode.
Pins on the device (for linking into audio routes) for RT1011:
* SPO
@ -29,4 +37,6 @@ Example:
rt1011: codec@38 {
compatible = "realtek,rt1011";
reg = <0x38>;
realtek,temperature_calib = <25>;
realtek,r0_calib = <0x224050>;
};