ARM: Dove: Add the audio device to the Cubox DT

This patch activates the audio device of the Cubox.

The audio flow (pin mpp_audio1) is output on both I2S and S/PDIF.

The third si5351 clock (#2, pin mpp13) is used as the external clock.

Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>

diff --git a/arch/arm/boot/dts/dove-cubox.dts b/arch/arm/boot/dts/dove-cubox.dts
index 4af59b6..173d463 100644 (file)
--- a/arch/arm/boot/dts/dove-cubox.dts
+++ b/arch/arm/boot/dts/dove-cubox.dts
@@ -132,3 +132,11 @@
                reg = <0>;
        };
 };
+
+&audio1 {
+       status = "okay";
+       clocks = <&gate_clk 13>, <&si5351 2>;
+       clock-names = "internal", "extclk";
+       pinctrl-0 = <&pmx_audio1_i2s1_spdifo &pmx_audio1_extclk>;
+       pinctrl-names = "default";
+};

diff --git a/arch/arm/boot/dts/dove.dtsi b/arch/arm/boot/dts/dove.dtsi
index 1e60db1..113a8bc 100644 (file)
--- a/arch/arm/boot/dts/dove.dtsi
+++ b/arch/arm/boot/dts/dove.dtsi
@@ -297,6 +297,11 @@
                                        marvell,function = "gpio";
                                };
 
+                               pmx_audio1_extclk: pmx-audio1-extclk {
+                                       marvell,pins = "mpp13";
+                                       marvell,function = "audio1";
+                               };
+
                                pmx_gpio_14: pmx-gpio-14 {
                                        marvell,pins = "mpp14";
                                        marvell,function = "gpio";
@@ -372,6 +377,11 @@
                                        marvell,function = "gpio";
                                };
 
+                               pmx_audio1_i2s1_spdifo: pmx-audio1-i2s1-spdifo {
+                                       marvell,pins = "mpp_audio1";
+                                       marvell,function = "i2s1/spdifo";
+                               };
+
                                pmx_spi0: pmx-spi0 {
                                        marvell,pins = "mpp_spi0";
                                        marvell,function = "spi0";