summaryrefslogtreecommitdiffstats
path: root/arch/arm/boot/dts/r8a7794.dtsi
diff options
context:
space:
mode:
authorSergei Shtylyov <sergei.shtylyov@cogentembedded.com>2016-07-27 22:59:18 +0200
committerSimon Horman <horms+renesas@verge.net.au>2016-08-09 14:36:13 +0200
commit0b1f0e374404f70b77c0f79c6f16fdcf5484552b (patch)
treeea3b4902ee495f3145ef80de597899c9a0df5224 /arch/arm/boot/dts/r8a7794.dtsi
parentARM: dts: r8a7792: add VIN support (diff)
downloadlinux-0b1f0e374404f70b77c0f79c6f16fdcf5484552b.tar.xz
linux-0b1f0e374404f70b77c0f79c6f16fdcf5484552b.zip
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 0d3dbde84a45 ("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>
Diffstat (limited to 'arch/arm/boot/dts/r8a7794.dtsi')
-rw-r--r--arch/arm/boot/dts/r8a7794.dtsi21
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/r8a7794.dtsi b/arch/arm/boot/dts/r8a7794.dtsi
index 55737bca4e63..5d1fded79633 100644
--- a/arch/arm/boot/dts/r8a7794.dtsi
+++ b/arch/arm/boot/dts/r8a7794.dtsi
@@ -952,6 +952,27 @@
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",