linux-kernel - [PATCH v3 2/3] Documentation: DT bindings: rockchip-i2s: add capture property

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Message-Id: <1446773891-32174-3-git-send-email-sugar.zhang@rock-chips.com>
Date:	Fri,  6 Nov 2015 09:38:10 +0800
From:	Sugar Zhang <sugar.zhang@...k-chips.com>
To:	broonie@...nel.org, lgirdwood@...il.com, perex@...ex.cz,
	tiwai@...e.com, heiko@...ech.de
Cc:	alsa-devel@...a-project.org, linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Sugar Zhang <sugar.zhang@...k-chips.com>
Subject: [PATCH v3 2/3] Documentation: DT bindings: rockchip-i2s: add capture property

rockchip,capture-channels: max capture channels, 2 channels default.

Signed-off-by: Sugar Zhang <sugar.zhang@...k-chips.com>
---

Changes in v3:
- move property into the Optional properties section

Changes in v2:
- remove unused lrck property

 Documentation/devicetree/bindings/sound/rockchip-i2s.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/rockchip-i2s.txt b/Documentation/devicetree/bindings/sound/rockchip-i2s.txt
index 9b82c20..ace3b1e 100644
--- a/Documentation/devicetree/bindings/sound/rockchip-i2s.txt
+++ b/Documentation/devicetree/bindings/sound/rockchip-i2s.txt
@@ -22,6 +22,10 @@ Required properties:
    - "i2s_hclk": clock for I2S BUS
    - "i2s_clk" : clock for I2S controller
 
+Optional properties:
+
+- rockchip,capture-channels: max capture channels, if not set, 2 channels default.
+
 Example for rk3288 I2S controller:
 
 i2s@...90000 {
@@ -34,4 +38,5 @@ i2s@...90000 {
 	dma-names = "tx", "rx";
 	clock-names = "i2s_hclk", "i2s_clk";
 	clocks = <&cru HCLK_I2S0>, <&cru SCLK_I2S0>;
+	rockchip,capture-channels = <2>;
 };
-- 
2.3.6


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