[PATCH v3 02/14] ARM: shmobile: r8a7793: add audio clock to device tree
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STALE3929d
SUPERSEDED: 6 (6M)
From: Simon Horman <hidden>
Date: 2016-01-15 02:37:55
Also in:
linux-sh
Subsystem:
the rest · Maintainer:
Linus Torvalds
Revision v3 of 3 in this series; 1 review trailer.
Revisions (3)
- v2 [diff vs current]
- v3 current
- v4 [diff vs current]
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 <kuninori.morimoto.gx@renesas.com> Acked-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <redacted> --- 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 221f5707a622..bf6be4a40e31 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 at e6150000 { compatible = "renesas,r8a7793-cpg-clocks",
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2.1.4