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Commit 3786ee66 authored by Rohit kumar's avatar Rohit kumar
Browse files

ARM: dts: qcom: Enable audio on qcs403 sku4 



Add device nodes to enable audio on qcs403 with
external PLL. External PLL clock frequency is
24.576MHz.

Change-Id: I6f5f0561adb98e8fa17de30de3587eb3ffd7a87a
Signed-off-by: default avatarRohit kumar <rohitkr@codeaurora.org>
parent 5d9062cb

Documentation/devicetree/bindings/sound/wcd_codec.txt

+3 −0
Original line number Diff line number Diff line
@@ -79,6 +79,9 @@ Required properties: 
				     enumeration address.



Optional properties:

 - qcom,cdc-ext-clk-rate - Specifies the clock rate of external crystal which

			   is sourced to codec mclk in HZ. This should be either

			   same as qcom,cdc-mclk-clk-rate or its double.

 - cdc-dmic-sample-rate: Specifies the sample rate of digital mic in HZ. The

			 values for 9.6MHZ mclk can be 2400000 Hz, 3200000 Hz

			 and 4800000 Hz.  The values for 12.288MHz mclk can be

arch/arm64/boot/dts/qcom/qcs403-ext-pll-audio.dtsi

0 → 100644
+29 −0
Original line number Diff line number Diff line 
/*

 * Copyright (c) 2018, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and

 * only version 2 as published by the Free Software Foundation.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 */



#include "qcs405-wsa-audio-overlay.dtsi"



&soc {

	clock_audio_ext_pll: ext_pll_clk {

		compatible = "qcom,audio-ref-clk";

		qcom,codec-ext-clk-src = <AUDIO_EXTERNAL_PLL>;

		#clock-cells = <1>;

	};

};



&wcd9335 {

	qcom,cdc-ext-clk-rate = <24576000>;

	qcom,cdc-mclk-clk-rate = <12288000>;

	clock-names = "wcd_clk";

	clocks = <&clock_audio_ext_pll 0>;

};

arch/arm64/boot/dts/qcom/qcs403-iot-sku4.dts

+1 −0
Original line number Diff line number Diff line
@@ -15,6 +15,7 @@ 


#include "qcs403.dtsi"

#include "qcs405-circular-pca9956.dtsi"

#include "qcs403-ext-pll-audio.dtsi"



/ {

	model = "Qualcomm Technologies, Inc. QCS403 SSRD IOT AUDIO PLL";