ARM: tegra: enable audio on Dalmore

Dalmore uses the RT5640 audio CODEC. Instantiate this on the I2C bus.
Enable the relevant Tegra I2C controller. Add the top-level "sound" node
to hook everything together, and provide a "sound card" device.

Signed-off-by: Stephen Warren <swarren@nvidia.com>

1 files changed, 39 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/tegra114-dalmore.dts b/arch/arm/boot/dts/tegra114-dalmore.dts
index b92922fe7eef..cb640eb6c932 100644
--- a/arch/arm/boot/dts/tegra114-dalmore.dts
+++ b/arch/arm/boot/dts/tegra114-dalmore.dts
@@ -729,6 +729,15 @@
                         sbs,poll-retry-count = <100>;
                         power-supplies = <&charger>;
                 };
+
+                rt5640: rt5640 {
+                        compatible = "realtek,rt5640";
+                        reg = <0x1c>;
+                        interrupt-parent = <&gpio>;
+                        interrupts = <TEGRA_GPIO(W, 3) GPIO_ACTIVE_HIGH>;
+                        realtek,ldo1-en-gpios =
+                                <&gpio TEGRA_GPIO(V, 3) GPIO_ACTIVE_HIGH>;
+                };
         };
 
         i2c@7000d000 {
@@ -843,6 +852,12 @@
                 nvidia,invert-interrupt;
         };
 
+        ahub {
+                i2s@70080400 {
+                        status = "okay";
+                };
+        };
+
         sdhci@78000400 {
                 cd-gpios = <&gpio TEGRA_GPIO(V, 2) GPIO_ACTIVE_LOW>;
                 bus-width = <4>;
@@ -937,4 +952,28 @@
                         vin-supply = <&tps65090_dcdc1_reg>;
                 };
         };
+
+        sound {
+                compatible = "nvidia,tegra-audio-rt5640-dalmore",
+                             "nvidia,tegra-audio-rt5640";
+                nvidia,model = "NVIDIA Tegra Dalmore";
+
+                nvidia,audio-routing =
+                        "Headphones", "HPOR",
+                        "Headphones", "HPOL",
+                        "Speakers", "SPORP",
+                        "Speakers", "SPORN",
+                        "Speakers", "SPOLP",
+                        "Speakers", "SPOLN";
+
+                nvidia,i2s-controller = <&tegra_i2s1>;
+                nvidia,audio-codec = <&rt5640>;
+
+                nvidia,hp-det-gpios = <&gpio TEGRA_GPIO(R, 7) GPIO_ACTIVE_HIGH>;
+
+                clocks = <&tegra_car TEGRA114_CLK_PLL_A>,
+                         <&tegra_car TEGRA114_CLK_PLL_A_OUT0>,
+                         <&tegra_car TEGRA114_CLK_EXTERN1>;
+                clock-names = "pll_a", "pll_a_out0", "mclk";
+        };
 };