---
arch/arm/boot/dts/am335x-boneblack.dts | 106 +++++++++++++++++++++++++++++++++
1 file changed, 106 insertions(+)
diff --git a/arch/arm/boot/dts/am335x-boneblack.dts
b/arch/arm/boot/dts/am335x-boneblack.dts
index d154d3133c16..e52553d144ab 100644
--- a/arch/arm/boot/dts/am335x-boneblack.dts
+++ b/arch/arm/boot/dts/am335x-boneblack.dts
@@ -11,9 +11,115 @@
#include "am335x-bone-common.dtsi"
#include "am335x-boneblack-common.dtsi"
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/sound/tlv320aic31xx-micbias.h>
+
/ {
model = "TI AM335x BeagleBone Black";
compatible = "ti,am335x-bone-black", "ti,am335x-bone", "ti,am33xx";
+
+ sound {
+ status = "disabled"; /* Disable default HDMI sound card */
+ };
+
+ sound0: sound0 {
+ compatible = "simple-audio-card";
+ simple-audio-card,name = "BeagleBone-Black-TLV320DAC3101";
+ simple-audio-card,widgets =
+ "Headphone", "Headphone Jack",
+ "Speaker", "Speaker External";
+ simple-audio-card,routing =
+ "Headphone Jack", "HPL",
+ "Headphone Jack", "HPR",
+ "Speaker External", "SPL",
+ "Speaker External", "SPR";
+ simple-audio-card,format = "i2s"; /* Change this to try out
different DAI formats */
+ simple-audio-card,bitclock-master = <&sound0_codec>; /* Change
these to switch clock masters */
+ simple-audio-card,frame-master = <&sound0_codec>;
+
+ sound0_cpu: simple-audio-card,cpu {
+ sound-dai = <&mcasp0>;
+ clocks = <&clk_mcasp0>;
+ };
+
+ sound0_codec: simple-audio-card,codec {
+ sound-dai = <&tlv320dac3101>;
+ clocks = <&clkout2_ck>;
+ };
+ };
+};
+
+&tda19988 {
+ status = "disabled";
+};
+
+&am33xx_pinmux {
+ mcasp0_pins: mcasp0_pins {
+ pinctrl-single,pins = <
+ AM33XX_IOPAD(0x9ac, PIN_INPUT | MUX_MODE0) /*
mcasp0_ahcklx.mcasp0_ahclkx */
+ AM33XX_IOPAD(0x990, PIN_INPUT | MUX_MODE0 ) /*
mcasp0_aclkx.mcasp0_aclkx */
+ AM33XX_IOPAD(0x994, PIN_INPUT | MUX_MODE0 ) /*
mcasp0_fsx.mcasp0_fsx */
+ AM33XX_IOPAD(0x998, PIN_INPUT | MUX_MODE0 ) /*
mcasp0_axr0.mcasp0_axr0 */
+ AM33XX_IOPAD(0x9a4, PIN_INPUT | MUX_MODE2 ) /*
mcasp0_fsr.mcasp0_axr3 */
+ AM33XX_IOPAD(0x86c, PIN_OUTPUT_PULLDOWN | MUX_MODE7) /*
gpmc_a11.gpio1_27 */
+ >;
+ };
+
+ tlv320dac3101_default: tlv320dac3101_default {
+ pinctrl-single,pins = <
+ AM33XX_IOPAD(0x844, PIN_OUTPUT_PULLUP | MUX_MODE7 ) /*
gpmc_a1.gpio1_17 */
+ AM33XX_IOPAD(0x878, PIN_INPUT | MUX_MODE7 ) /*
gpmc_ben1.gpio1_28 */
+ >;
+ };
+};
+
+&sysclkout_pre_ck {
+ /*
+ * Switch to a higher-speed clock as a base for clkout2_div_ck other
than
+ * the 32.768Hz default clock that is unusable for a CODEC. Possible
+ * options are clk_32768_ck, l3_gclk, dpll_ddr_m2_ck, dpll_per_m2_ck,
and
+ * lcd_gclk. See am33xx-clocks.dtsi for more info.
+ */
+ assigned-clocks = <&sysclkout_pre_ck>;
+ assigned-clock-parents = <&lcd_gclk>;
+};
+
+&clkout2_div_ck {
+ assigned-clocks = <&clkout2_div_ck>;
+ assigned-clock-rates = <12000000>; /* Change this to try different
CODEC MCLK speeds */
+};
+
+&mcasp0 {
+ #sound-dai-cells = <0>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&mcasp0_pins>;
+
+ status = "okay";
+
+ op-mode = <0>; /* MCASP_IIS_MODE */
+ tdm-slots = <2>;
+ serial-dir = < 1 0 0 0 >; /* 0: INACTIVE, 1: TX, 2: RX */
+ tx-num-evt = <32>;
+ rx-num-evt = <32>;
+};
+
+&i2c2 {
+ tlv320dac3101: tlv320dac3101@18 {
+ #sound-dai-cells = <0>;
+ compatible = "ti,tlv320dac3101";
+ reg = <0x18>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&tlv320dac3101_default>;
+
+ interrupt-parent = <&gpio1>;
+ interrupts = <28 IRQ_TYPE_LEVEL_HIGH>;
+
+ reset-gpios = <&gpio1 17 GPIO_ACTIVE_LOW>;
+
+ ai31xx-micbias-vg = <MICBIAS_2_0V>;
+ };
};
&cpu0_opp_table {
--
2.15.0
