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authorShuming Fan <shumingf@realtek.com>2019-10-16 19:56:17 +0800
committerMark Brown <broonie@kernel.org>2019-10-16 13:56:49 +0100
commitcf775f68a0939f0e5aad5855f63338c4b5e51c59 (patch)
tree389e324e497def0c4fdcae06a5839b9d3fc8b90a /Documentation/devicetree/bindings/sound
parent3ad00f6a5f76d4030a3c712fabe0cf69920925fc (diff)
downloadlinux-cf775f68a0939f0e5aad5855f63338c4b5e51c59.tar.bz2
ASoC: dt-bindings: rt1011: add r0 and temperature device property
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>
Diffstat (limited to 'Documentation/devicetree/bindings/sound')
-rw-r--r--Documentation/devicetree/bindings/sound/rt1011.txt10
1 files changed, 10 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/rt1011.txt b/Documentation/devicetree/bindings/sound/rt1011.txt
index 35a23e60d679..02d53b9aa247 100644
--- a/Documentation/devicetree/bindings/sound/rt1011.txt
+++ b/Documentation/devicetree/bindings/sound/rt1011.txt
@@ -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>;
};