Re: [PATCH v3 12/12] arm64: dts: h3ulcb: Sound SSI support

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Hello.

On 9/2/2016 3:05 PM, Vladimir Barinov wrote:

This supports SSI sound for H3ULCB board.
SSI DMA mode used. CS2000 used as AUDIO_CLK_B.

Signed-off-by: Vladimir Barinov <vladimir.barinov@xxxxxxxxxxxxxxxxxx>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
---
Changes in version 3:
- initially added
Changes in version 4:
- added comment for audio_clkout

 arch/arm64/boot/dts/renesas/r8a7795-h3ulcb.dts | 115 +++++++++++++++++++++++++
 1 file changed, 115 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r8a7795-h3ulcb.dts b/arch/arm64/boot/dts/renesas/r8a7795-h3ulcb.dts
index bbd7928..a254231 100644
--- a/arch/arm64/boot/dts/renesas/r8a7795-h3ulcb.dts
+++ b/arch/arm64/boot/dts/renesas/r8a7795-h3ulcb.dts
@@ -45,6 +45,12 @@
 		};
 	};

+	x12_clk: x12_clk {

If the crystal name is X12, name the node "x12" too, this way the output clock will be named just "x12".

+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <24576000>;
+	};
+
 	vcc_sdhi0: regulator-vcc-sdhi0 {
 		compatible = "regulator-fixed";

[...]
@@ -136,6 +176,73 @@
[...]
+
+	cs2000: clk_multiplier@4f {

   Don't use underscores in the node names, use hyphens instead.

+		#clock-cells = <0>;
+		compatible = "cirrus,cs2000-cp";
+		reg = <0x4f>;
+		clocks = <&audio_clkout>, <&x12_clk>;
+		clock-names = "clk_in", "ref_clk";
+
+		assigned-clocks = <&cs2000>;
+		assigned-clock-rates = <24576000>; /* 1/1 divide */
+	};
+};
[...]

MBR, Sergei




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