arm64: tegra: Add the various audio devices for Tegra210 Smaug

The Tegra210 Smaug includes the Realtek RT5677 audio codec, Nuvoton
NAU8825 headset codec and the Maxim MAX98357a audio amplifier. Add
the nodes for these devices for the Tegra210 Smaug.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
[treding@nvidia.com: use interrupts property consistently]
Signed-off-by: Thierry Reding <treding@nvidia.com>

arch/arm64/boot/dts/nvidia/tegra210-smaug.dts

@@ -1562,6 +1562,46 @@
 		};
 	};
 
+	i2c@7000d100 {
+		status = "okay";
+		clock-frequency = <400000>;
+
+		nau8825@1a {
+			compatible = "nuvoton,nau8825";
+			reg = <0x1a>;
+			interrupt-parent = <&gpio>;
+			interrupts = <TEGRA_GPIO(E, 6) IRQ_TYPE_LEVEL_LOW>;
+			clocks = <&tegra_car TEGRA210_CLK_CLK_OUT_2>;
+			clock-names = "mclk";
+
+			nuvoton,jkdet-enable;
+			nuvoton,jkdet-polarity = <GPIO_ACTIVE_LOW>;
+			nuvoton,vref-impedance = <2>;
+			nuvoton,micbias-voltage = <6>;
+			nuvoton,sar-threshold-num = <4>;
+			nuvoton,sar-threshold = <0xc 0x1e 0x38 0x60>;
+			nuvoton,sar-hysteresis = <1>;
+			nuvoton,sar-voltage = <0>;
+			nuvoton,sar-compare-time = <0>;
+			nuvoton,sar-sampling-time = <0>;
+			nuvoton,short-key-debounce = <2>;
+			nuvoton,jack-insert-debounce = <7>;
+			nuvoton,jack-eject-debounce = <7>;
+			status = "okay";
+		};
+
+		audio-codec@2d {
+			compatible = "realtek,rt5677";
+			reg = <0x2d>;
+			interrupt-parent = <&gpio>;
+			interrupts = <TEGRA_GPIO(X, 0) IRQ_TYPE_LEVEL_HIGH>;
+			realtek,reset-gpio = <&gpio TEGRA_GPIO(BB, 3) GPIO_ACTIVE_LOW>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			status = "okay";
+		};
+	};
+
 	pmc@7000e400 {
 		nvidia,invert-interrupt;
 		nvidia,suspend-mode = <0>;
@@ -1664,6 +1704,11 @@
 		};
 	};
 
+	max98357a {
+		compatible = "maxim,max98357a";
+		status = "okay";
+	};
+
 	psci {
 		compatible = "arm,psci-1.0";
 		method = "smc";