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[28/37] ARM: dts: r8a7745: Add audio clocks

Message ID 44da63157d86b5ca5c4dec2b160bdeb71c6bd48e.1513938145.git.horms+renesas@verge.net.au (mailing list archive)
State Accepted
Commit 44da63157d86b5ca5c4dec2b160bdeb71c6bd48e
Headers show

Commit Message

Simon Horman Dec. 22, 2017, 10:30 a.m. UTC 
From: Biju Das <biju.das@bp.renesas.com>

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@bp.renesas.com>
Reviewed-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
---
 arch/arm/boot/dts/r8a7745.dtsi | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
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Patch

diff --git a/arch/arm/boot/dts/r8a7745.dtsi b/arch/arm/boot/dts/r8a7745.dtsi
index 2be7485c4efe..6d085f004721 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";