ARM: dts: am335x-evmsk: Audio support

AM335x EVM-SK have only support for audio playback (stereo jack on the
board) via tlv320aic3106 codec connected to McASP1.
Enable the support for audio playback on the board:
- McASP1 configuration
- tlv320aic3106 configuration
- Machine driver.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Benoit Cousson <bcousson@baylibre.com>

1 files changed, 48 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/am335x-evmsk.dts b/arch/arm/boot/dts/am335x-evmsk.dts
index 1a7e0d925965..03febf85fd2f 100644
--- a/arch/arm/boot/dts/am335x-evmsk.dts
+++ b/arch/arm/boot/dts/am335x-evmsk.dts
@@ -115,6 +115,17 @@
                 brightness-levels = <0 58 61 66 75 90 125 170 255>;
                 default-brightness-level = <8>;
         };
+
+        sound {
+                compatible = "ti,da830-evm-audio";
+                ti,model = "AM335x-EVMSK";
+                ti,audio-codec = <&tlv320aic3106>;
+                ti,mcasp-controller = <&mcasp1>;
+                ti,codec-clock-rate = <24576000>;
+                ti,audio-routing =
+                        "Headphone Jack",       "HPLOUT",
+                        "Headphone Jack",       "HPROUT";
+        };
 };
 
 &am33xx_pinmux {
@@ -244,6 +255,15 @@
                         0x14c (PIN_INPUT_PULLDOWN | MUX_MODE7)
                 >;
         };
+
+        mcasp1_pins: mcasp1_pins {
+                pinctrl-single,pins = <
+                        0x10c (PIN_INPUT_PULLDOWN | MUX_MODE4) /* mii1_crs.mcasp1_aclkx */
+                        0x110 (PIN_INPUT_PULLDOWN | MUX_MODE4) /* mii1_rxerr.mcasp1_fsx */
+                        0x108 (PIN_OUTPUT_PULLDOWN | MUX_MODE4) /* mii1_col.mcasp1_axr2 */
+                        0x144 (PIN_INPUT_PULLDOWN | MUX_MODE4) /* rmii1_ref_clk.mcasp1_axr3 */
+                >;
+        };
 };
 
 &uart0 {
@@ -291,6 +311,18 @@
                 st,max-limit-y = <550>;
                 st,max-limit-z = <750>;
         };
+
+        tlv320aic3106: tlv320aic3106@1b {
+                compatible = "ti,tlv320aic3106";
+                reg = <0x1b>;
+                status = "okay";
+
+                /* Regulators */
+                AVDD-supply = <&vaux2_reg>;
+                IOVDD-supply = <&vaux2_reg>;
+                DRVDD-supply = <&vaux2_reg>;
+                DVDD-supply = <&vbat>;
+        };
 };
 
 &usb {
@@ -437,3 +469,19 @@
 &gpio0 {
         ti,no-reset-on-init;
 };
+
+&mcasp1 {
+                pinctrl-names = "default";
+                pinctrl-0 = <&mcasp1_pins>;
+
+                status = "okay";
+
+                op-mode = <0>;          /* MCASP_IIS_MODE */
+                tdm-slots = <2>;
+                /* 4 serializers */
+                serial-dir = <  /* 0: INACTIVE, 1: TX, 2: RX */
+                        0 0 1 2
+                >;
+                tx-num-evt = <1>;
+                rx-num-evt = <1>;
+};