[2/2] ASoC: rt5682: Add DAI clock binding info for WCLK/BCLK CCF usage

Message ID 1581666814-6380-2-git-send-email-derek.fang@realtek.com
State New
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  • [1/2] ASoC: rt5682: Add CCF usage for providing I2S clks
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Commit Message

derek.fang@realtek.com Feb. 14, 2020, 7:53 a.m.
From: "derek.fang" <derek.fang@realtek.com>

This patch describes that rt5682 can expose WCLK and BCLK clocks
and how to use.

Signed-off-by: derek.fang <derek.fang@realtek.com>
---
 Documentation/devicetree/bindings/sound/rt5682.txt | 12 ++++++++++++
 1 file changed, 12 insertions(+)

Patch

diff --git a/Documentation/devicetree/bindings/sound/rt5682.txt b/Documentation/devicetree/bindings/sound/rt5682.txt
index 30e927a2..ac98151 100644
--- a/Documentation/devicetree/bindings/sound/rt5682.txt
+++ b/Documentation/devicetree/bindings/sound/rt5682.txt
@@ -32,6 +32,12 @@  Optional properties:
   The delay time is realtek,btndet-delay value multiple of 8.192 ms.
   If absent, the default is 16.
 
+- #clock-cells : Should be set to '<1>',  wclk and bclk sources provided.
+- clock-output-names : Name given for DAI clocks output.
+
+- clocks : phandle and clock specifier for codec MCLK.
+- clock-names : Clock name string for 'clocks' attribute, should be "mclk".
+
 Pins on the device (for linking into audio routes) for RT5682:
 
   * DMIC L1
@@ -53,4 +59,10 @@  rt5682 {
 	realtek,dmic1-clk-pin = <1>;
 	realtek,jd-src = <1>;
 	realtek,btndet-delay = <16>;
+
+	#clock-cells = <1>;
+	clock-output-names = "rt5682-dai-wclk", "rt5682-dai-bclk";
+
+	clocks = <&osc>;
+	clock-names = "mclk";
 };