ARM: shmobile: armadillo: add FSI support for DTS

This patch support FSI-WM8978 with simple audio card

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

1 files changed, 37 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts b/arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts
index 7b80f19129e3..6d6fd3dff2d3 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";
+};