[ltsi-3.10,167/286] ARM: shmobile: armadillo: add FSI support for DTS

Commit Message

Simon Horman Dec. 27, 2013, 9:13 a.m. UTC

From: Kuninori Morimoto <[e-mail]>

This patch support FSI-WM8978 with simple audio card

Signed-off-by: Kuninori Morimoto <[e-mail]>
Signed-off-by: Simon Horman <[e-mail]>
(cherry picked from commit 6a3549d464bf8dc05ab87eab0f3ed2da0dbc5379)
(Queued by ARM-SoC for v3.14 but not yet in Linus's tree)
Signed-off-by: Simon Horman <[e-mail]>
---
 .../boot/dts/r8a7740-armadillo800eva-reference.dts | 37 ++++++++++++++++++++++
 1 file changed, 37 insertions(+)

Patch

diff --git a/arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts b/arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts
index 7b80f19..6d6fd3d 100644
--- a/arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts
+++ b/arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts
@@ -87,6 +87,24 @@ 
 		pinctrl-0 = <&backlight_pins>;
 		pinctrl-names = "default";
 	};
+
+	sound {
+		compatible = "simple-audio-card";
+
+		simple-audio-card,format = "i2s";
+
+		simple-audio-card,cpu {
+			sound-dai = <&sh_fsi2 0>;
+			bitclock-inversion;
+		};
+
+		simple-audio-card,codec {
+			sound-dai = <&wm8978>;
+			bitclock-master;
+			frame-master;
+			system-clock-frequency = <12288000>;
+		};
+	};
 };
 
 &i2c0 {
@@ -100,6 +118,12 @@ 
 		pinctrl-names = "default";
 		gpios = <&pfc 166 GPIO_ACTIVE_LOW>;
 	};
+
+	wm8978: wm8978@1a {
+		#sound-dai-cells = <0>;
+		compatible = "wlf,wm8978";
+		reg = <0x1a>;
+	};
 };
 
 &pfc {
@@ -130,6 +154,12 @@ 
 		renesas,groups = "sdhi0_data4", "sdhi0_ctrl", "sdhi0_wp";
 		renesas,function = "sdhi0";
 	};
+
+	fsia_pins: sounda {
+		renesas,groups = "fsia_sclk_in", "fsia_mclk_out",
+				 "fsia_data_in_1", "fsia_data_out_0";
+		renesas,function = "fsia";
+	};
 };
 
 &tpu {
@@ -156,3 +186,10 @@ 
 	cd-gpios = <&pfc 167 GPIO_ACTIVE_LOW>;
 	status = "okay";
 };
+
+&sh_fsi2 {
+	pinctrl-0 = <&fsia_pins>;
+	pinctrl-names = "default";
+
+	status = "okay";
+};