From: Biju Das <biju.das@bp.renesas.com>
Date: Wed, 20 Dec 2017 20:01:57 +0000 (+0000)
Subject: ARM: dts: r8a7745: Add audio clocks
X-Git-Tag: v4.19~1679^2~35^2~9
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=44da63157d86b5ca5c4dec2b160bdeb71c6bd48e;p=platform%2Fkernel%2Flinux-rpi.git

ARM: dts: r8a7745: Add audio clocks

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>
---

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";