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ARM: dts: r8a7794: add audio clocks 

Describe  the external audio clocks (signals AUDIO_CLK[ABC]) required by
the sound driver.  Boards that provide audio clocks need to  override the
clock frequencies.

This patch is based on the commit 0d3dbde84a ("ARM: shmobile: r8a7791:
add  audio clock on DTSI").

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
This commit is contained in:
Sergei Shtylyov 2016-07-27 23:59:18 +03:00 committed by Simon Horman
parent a2d30b9c55
commit 0b1f0e3744
1 changed files with 21 additions and 0 deletions
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21
arch/arm/boot/dts/r8a7794.dtsi
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@ -952,6 +952,27 @@ scif_clk: scif {
clock-frequency = <0>;
};
/*
* The external audio clocks are configured as 0 Hz fixed
* frequency clocks by default. Boards that provide audio
* clocks should override them.
*/
audio_clka: audio_clka {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <0>;
};
audio_clkb: audio_clkb {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <0>;
};
audio_clkc: audio_clkc {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <0>;
};
/* Special CPG clocks */
cpg_clocks: cpg_clocks@e6150000 {
compatible = "renesas,r8a7794-cpg-clocks",