Instantiate audio clock in r8a7793 device tree. audio_clk_a/b/c are required for R-Car sound.
Based on similar work for the r8a7791 by Kuninori Morimoto. Cc: Kuninori Morimoto <[email protected]> Acked-by: Geert Uytterhoeven <[email protected]> Signed-off-by: Simon Horman <[email protected]> --- arch/arm/boot/dts/r8a7793.dtsi | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/arch/arm/boot/dts/r8a7793.dtsi b/arch/arm/boot/dts/r8a7793.dtsi index c4459f147330..530fa9488a4a 100644 --- a/arch/arm/boot/dts/r8a7793.dtsi +++ b/arch/arm/boot/dts/r8a7793.dtsi @@ -706,6 +706,29 @@ clock-output-names = "extal"; }; + /* + * The external audio clocks are configured as 0 Hz fixed frequency clocks by + * default. Boards that provide audio clocks should override them. + */ + audio_clk_a: audio_clk_a { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <0>; + clock-output-names = "audio_clk_a"; + }; + audio_clk_b: audio_clk_b { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <0>; + clock-output-names = "audio_clk_b"; + }; + audio_clk_c: audio_clk_c { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <0>; + clock-output-names = "audio_clk_c"; + }; + /* Special CPG clocks */ cpg_clocks: cpg_clocks@e6150000 { compatible = "renesas,r8a7793-cpg-clocks", -- 2.7.0.rc3.207.g0ac5344
