ARM: dts: dra7-evm: Audio support

The board uses tlv320aic3106 codec connected to McASP3. The master clock
for the codec and McASP3 is coming from ATL2.
McASP3 is the master on the I2S bus.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/boot/dts/dra7-evm.dts b/arch/arm/boot/dts/dra7-evm.dts
index 3694046..1a66d35 100644 (file)
--- a/arch/arm/boot/dts/dra7-evm.dts
+++ b/arch/arm/boot/dts/dra7-evm.dts
@@ -9,6 +9,7 @@
 
 #include "dra74x.dtsi"
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/clk/ti-dra7-atl.h>
 
 / {
        model = "TI DRA742";
@@ -64,6 +65,40 @@
                enable-active-high;
                gpio = <&gpio7 11 GPIO_ACTIVE_HIGH>;
        };
+
+       sound0: sound@0 {
+               compatible = "simple-audio-card";
+               simple-audio-card,name = "DRA7xx-EVM";
+               simple-audio-card,widgets =
+                       "Headphone", "Headphone Jack",
+                       "Line", "Line Out",
+                       "Microphone", "Mic Jack",
+                       "Line", "Line In";
+               simple-audio-card,routing =
+                       "Headphone Jack",       "HPLOUT",
+                       "Headphone Jack",       "HPROUT",
+                       "Line Out",             "LLOUT",
+                       "Line Out",             "RLOUT",
+                       "MIC3L",                "Mic Jack",
+                       "MIC3R",                "Mic Jack",
+                       "Mic Jack",             "Mic Bias",
+                       "LINE1L",               "Line In",
+                       "LINE1R",               "Line In";
+               simple-audio-card,format = "dsp_b";
+               simple-audio-card,bitclock-master = <&sound0_master>;
+               simple-audio-card,frame-master = <&sound0_master>;
+               simple-audio-card,bitclock-inversion;
+
+               sound0_master: simple-audio-card,cpu {
+                       sound-dai = <&mcasp3>;
+                       system-clock-frequency = <5644800>;
+               };
+
+               simple-audio-card,codec {
+                       sound-dai = <&tlv320aic3106>;
+                       clocks = <&atl_clkin2_ck>;
+               };
+       };
 };
 
 &dra7_pmx_core {
@@ -292,6 +327,31 @@
                        0x418   (MUX_MODE15 | PULL_UP)  /* wakeup0.off */
                >;
        };
+
+       atl_pins: pinmux_atl_pins {
+               pinctrl-single,pins = <
+                       0x298 (PIN_OUTPUT | MUX_MODE5)  /* xref_clk1.atl_clk1 */
+                       0x29c (PIN_OUTPUT | MUX_MODE5)  /* xref_clk2.atl_clk2 */
+               >;
+       };
+
+       mcasp3_pins: pinmux_mcasp3_pins {
+               pinctrl-single,pins = <
+                       0x324 (PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* mcasp3_aclkx */
+                       0x328 (PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* mcasp3_fsx */
+                       0x32c (PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* mcasp3_axr0 */
+                       0x330 (PIN_INPUT_PULLDOWN | MUX_MODE0)  /* mcasp3_axr1 */
+               >;
+       };
+
+       mcasp3_sleep_pins: pinmux_mcasp3_sleep_pins {
+               pinctrl-single,pins = <
+                       0x324 (MUX_MODE15)
+                       0x328 (MUX_MODE15)
+                       0x32c (MUX_MODE15)
+                       0x330 (MUX_MODE15)
+               >;
+       };
 };
 
 &i2c1 {
@@ -431,6 +491,20 @@
                #interrupt-cells = <2>;
        };
 
+       tlv320aic3106: tlv320aic3106@19 {
+               #sound-dai-cells = <0>;
+               compatible = "ti,tlv320aic3106";
+               reg = <0x19>;
+               adc-settle-ms = <40>;
+               ai3x-micbias-vg = <1>;          /* 2.0V */
+               status = "okay";
+
+               /* Regulators */
+               AVDD-supply = <&evm_3v3_sw>;
+               IOVDD-supply = <&evm_3v3_sw>;
+               DRVDD-supply = <&evm_3v3_sw>;
+               DVDD-supply = <&aic_dvdd>;
+       };
 };
 
 &i2c2 {
@@ -730,3 +804,42 @@
        pinctrl-1 = <&dcan1_pins_sleep>;
        pinctrl-2 = <&dcan1_pins_default>;
 };
+
+&atl {
+       pinctrl-names = "default";
+       pinctrl-0 = <&atl_pins>;
+
+       assigned-clocks = <&abe_dpll_sys_clk_mux>,
+                         <&atl_gfclk_mux>,
+                         <&dpll_abe_ck>,
+                         <&dpll_abe_m2x2_ck>,
+                         <&atl_clkin2_ck>;
+       assigned-clock-parents = <&sys_clkin2>, <&dpll_abe_m2_ck>;
+       assigned-clock-rates = <0>, <0>, <180633600>, <361267200>, <5644800>;
+
+       status = "okay";
+
+       atl2 {
+               bws = <DRA7_ATL_WS_MCASP2_FSX>;
+               aws = <DRA7_ATL_WS_MCASP3_FSX>;
+       };
+};
+
+&mcasp3 {
+       #sound-dai-cells = <0>;
+       pinctrl-names = "default", "sleep";
+       pinctrl-0 = <&mcasp3_pins>;
+       pinctrl-1 = <&mcasp3_sleep_pins>;
+
+       assigned-clocks = <&mcasp3_ahclkx_mux>;
+       assigned-clock-parents = <&atl_clkin2_ck>;
+
+       status = "okay";
+
+       op-mode = <0>;          /* MCASP_IIS_MODE */
+       tdm-slots = <2>;
+       /* 4 serializer */
+       serial-dir = <  /* 0: INACTIVE, 1: TX, 2: RX */
+               1 2 0 0
+       >;
+};