ARM: dts: exynos: Add sound support for Odroid XU4

This patch adds support for Odroid XU4 audio. The main difference
comparing to Odroid XU3 is a missing on-board audio CODEC, only
HDMI output is supported on Odroid XU4. External CODEC could be
optionally connected to the I2S port connector.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

diff --git a/arch/arm/boot/dts/exynos5422-odroidxu4.dts b/arch/arm/boot/dts/exynos5422-odroidxu4.dts
index 2faf886..0c2f1ef 100644 (file)
--- a/arch/arm/boot/dts/exynos5422-odroidxu4.dts
+++ b/arch/arm/boot/dts/exynos5422-odroidxu4.dts
@@ -12,6 +12,7 @@
 */
 
 /dts-v1/;
+#include <dt-bindings/sound/samsung-i2s.h>
 #include "exynos5422-odroidxu3-common.dtsi"
 
 / {
@@ -30,6 +31,57 @@
                        linux,default-trigger = "heartbeat";
                };
        };
+
+       sound: sound {
+               compatible = "samsung,odroid-xu3-audio";
+               model = "Odroid-XU4";
+
+               assigned-clocks = <&i2s0 CLK_I2S_RCLK_SRC>,
+                               <&clock CLK_MOUT_EPLL>,
+                               <&clock CLK_MOUT_MAU_EPLL>,
+                               <&clock CLK_MOUT_USER_MAU_EPLL>,
+                               <&clock_audss EXYNOS_MOUT_AUDSS>,
+                               <&clock_audss EXYNOS_MOUT_I2S>,
+                               <&clock_audss EXYNOS_DOUT_SRP>,
+                               <&clock_audss EXYNOS_DOUT_AUD_BUS>,
+                               <&clock_audss EXYNOS_DOUT_I2S>;
+
+               assigned-clock-parents = <&clock_audss EXYNOS_SCLK_I2S>,
+                               <&clock CLK_FOUT_EPLL>,
+                               <&clock CLK_MOUT_EPLL>,
+                               <&clock CLK_MOUT_MAU_EPLL>,
+                               <&clock CLK_MAU_EPLL>,
+                               <&clock_audss EXYNOS_MOUT_AUDSS>;
+
+               assigned-clock-rates = <0>,
+                               <0>,
+                               <0>,
+                               <0>,
+                               <0>,
+                               <0>,
+                               <196608001>,
+                               <(196608002 / 2)>,
+                               <196608000>;
+
+               cpu {
+                       sound-dai = <&i2s0 0>;
+               };
+
+               codec {
+                       sound-dai = <&hdmi>;
+               };
+       };
+};
+
+&clock_audss {
+       assigned-clocks = <&clock_audss EXYNOS_DOUT_SRP>,
+                         <&clock CLK_FOUT_EPLL>;
+       assigned-clock-rates = <(196608000 / 256)>,
+                              <196608000>;
+};
+
+&i2s0 {
+       status = "okay";
 };
 
 &pwm {