Describe the external audio clocks required by the sound driver.
Boards that provide audio clocks need to override the clock frequencies.
Signed-off-by: Biju Das <biju.das@xxxxxxxxxxxxxx>
Reviewed-by: Fabrizio Castro <fabrizio.castro@xxxxxxxxxxxxxx>
---
arch/arm/boot/dts/r8a7745.dtsi | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/arch/arm/boot/dts/r8a7745.dtsi b/arch/arm/boot/dts/r8a7745.dtsi
index 2be7485..6d085f0 100644
--- a/arch/arm/boot/dts/r8a7745.dtsi
+++ b/arch/arm/boot/dts/r8a7745.dtsi
@@ -35,6 +35,27 @@
vin1 = &vin1;
};
+ /*
+ * 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>;
+ };
+
/* External CAN clock */
can_clk: can {
compatible = "fixed-clock";
--
1.9.1
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