From: <derek.fang@realtek.com>
To: <broonie@kernel.org>, <lgirdwood@gmail.com>
Cc: oder_chiou@realtek.com, jack.yu@realtek.com,
alsa-devel@alsa-project.org, lars@metafoo.de,
albertchen@realtek.com, derek.fang@realtek.com,
shumingf@realtek.com, flove@realtek.com
Subject: [alsa-devel] [PATCH 2/2] ASoC: rt5682: Add DAI clock binding info for WCLK/BCLK CCF usage
Date: Fri, 14 Feb 2020 15:53:34 +0800 [thread overview]
Message-ID: <1581666814-6380-2-git-send-email-derek.fang@realtek.com> (raw)
In-Reply-To: <1581666814-6380-1-git-send-email-derek.fang@realtek.com>
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(+)
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";
};
--
2.7.4
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next prev parent reply other threads:[~2020-02-14 7:55 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-14 7:53 [alsa-devel] [PATCH 1/2] ASoC: rt5682: Add CCF usage for providing I2S clks derek.fang
2020-02-14 7:53 ` derek.fang [this message]
2020-02-14 12:38 ` Mark Brown
[not found] ` <b9cfe003aeb34216b59c9a22c4601bf1@realtek.com>
2020-02-17 12:36 ` Mark Brown
2020-02-18 6:33 ` Derek [方德義]
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