arm64: dts: ti: k3-am625-phyboard-lyra-rdk: Add Audio Codec

The Audio Codec runs over the MCASP (Multichannel Audio Serial Port).

Add pinmux for the Audio Reference Clock and MCASP2.

Add DT nodes for Audio Codec, MCASP2, VCC 1v8 and VCC 3v3 regulators.

Additionally, create a sound node that connects our sound card and the
MCASP2.

Signed-off-by: Garrett Giordano <ggiordano@phytec.com>
Reviewed-by: Wadim Egorov <w.egorov@phytec.de>
Link: https://lore.kernel.org/r/20240404184250.3772829-1-ggiordano@phytec.com
Signed-off-by: Nishanth Menon <nm@ti.com>

diff --git a/arch/arm64/boot/dts/ti/k3-am625-phyboard-lyra-rdk.dts b/arch/arm64/boot/dts/ti/k3-am625-phyboard-lyra-rdk.dts
index e225d76d02c8c60a587e92e6f826a57d38883b21..d7b8aa607c8cd3b55035fa2f5c295cfa72951b5c 100644 (file)
--- a/arch/arm64/boot/dts/ti/k3-am625-phyboard-lyra-rdk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am625-phyboard-lyra-rdk.dts
@@ -66,6 +66,35 @@
                };
        };
 
+       sound {
+               compatible = "simple-audio-card";
+               simple-audio-card,name = "phyBOARD-Lyra";
+               simple-audio-card,widgets =
+                       "Microphone",           "Mic Jack",
+                       "Headphone",            "Headphone Jack",
+                       "Speaker",              "External Speaker";
+               simple-audio-card,routing =
+                       "MIC3R",                "Mic Jack",
+                       "Mic Jack",             "Mic Bias",
+                       "Headphone Jack",       "HPLOUT",
+                       "Headphone Jack",       "HPROUT",
+                       "External Speaker",     "SPOP",
+                       "External Speaker",     "SPOM";
+               simple-audio-card,format = "dsp_b";
+               simple-audio-card,bitclock-master = <&sound_master>;
+               simple-audio-card,frame-master = <&sound_master>;
+               simple-audio-card,bitclock-inversion;
+
+               simple-audio-card,cpu {
+                       sound-dai = <&mcasp2>;
+               };
+
+               sound_master: simple-audio-card,codec {
+                               sound-dai = <&audio_codec>;
+                               clocks = <&audio_refclk1>;
+               };
+       };
+
        leds {
                compatible = "gpio-leds";
                pinctrl-names = "default";
@@ -82,6 +111,15 @@
                };
        };
 
+       vcc_1v8: regulator-vcc-1v8 {
+               compatible = "regulator-fixed";
+               regulator-name = "VCC_1V8";
+               regulator-min-microvolt = <1800000>;
+               regulator-max-microvolt = <1800000>;
+               regulator-always-on;
+               regulator-boot-on;
+       };
+
        vcc_3v3_mmc: regulator-vcc-3v3-mmc {
                compatible = "regulator-fixed";
                regulator-name = "VCC_3V3_MMC";
@@ -90,9 +128,24 @@
                regulator-always-on;
                regulator-boot-on;
        };
+
+       vcc_3v3_sw: regulator-vcc-3v3-sw {
+               compatible = "regulator-fixed";
+               regulator-name = "VCC_3V3_SW";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+               regulator-always-on;
+               regulator-boot-on;
+       };
 };
 
 &main_pmx0 {
+       audio_ext_refclk1_pins_default: audio-ext-refclk1-default-pins {
+               pinctrl-single,pins = <
+                       AM62X_IOPAD(0x0a0, PIN_OUTPUT, 1) /* (K25) GPMC0_WPn.AUDIO_EXT_REFCLK1 */
+               >;
+       };
+
        gpio_keys_pins_default: gpio-keys-default-pins {
                pinctrl-single,pins = <
                        AM62X_IOPAD(0x1d4, PIN_INPUT, 7) /* (B15) UART0_RTSn.GPIO1_23 */
@@ -150,6 +203,15 @@
                >;
        };
 
+       main_mcasp2_pins_default: main-mcasp2-default-pins {
+               pinctrl-single,pins = <
+                       AM62X_IOPAD(0x070, PIN_INPUT, 3) /* (T24) GPMC0_AD13.MCASP2_ACLKX */
+                       AM62X_IOPAD(0x06c, PIN_INPUT, 3) /* (T22) GPMC0_AD12.MCASP2_AFSX */
+                       AM62X_IOPAD(0x064, PIN_OUTPUT, 3) /* (T25) GPMC0_AD10.MCASP2_AXR2 */
+                       AM62X_IOPAD(0x068, PIN_INPUT, 3) /* (R21) GPMC0_AD11.MCASP2_AXR3 */
+               >;
+       };
+
        main_mmc1_pins_default: main-mmc1-default-pins {
                pinctrl-single,pins = <
                        AM62X_IOPAD(0x23c, PIN_INPUT_PULLUP, 0) /* (A21) MMC1_CMD */
@@ -254,6 +316,21 @@
        clock-frequency = <100000>;
        status = "okay";
 
+       audio_codec: audio-codec@18 {
+               pinctrl-names = "default";
+               pinctrl-0 = <&audio_ext_refclk1_pins_default>;
+
+               #sound-dai-cells = <0>;
+               compatible = "ti,tlv320aic3007";
+               reg = <0x18>;
+               ai3x-micbias-vg = <2>;
+
+               AVDD-supply = <&vcc_3v3_sw>;
+               IOVDD-supply = <&vcc_3v3_sw>;
+               DRVDD-supply = <&vcc_3v3_sw>;
+               DVDD-supply = <&vcc_1v8>;
+       };
+
        gpio_exp: gpio-expander@21 {
                pinctrl-names = "default";
                pinctrl-0 = <&gpio_exp_int_pins_default>;
@@ -329,6 +406,28 @@
        status = "okay";
 };
 
+&mcasp2 {
+       #sound-dai-cells = <0>;
+
+       pinctrl-names = "default";
+       pinctrl-0 = <&main_mcasp2_pins_default>;
+
+       /* MCASP_IIS_MODE */
+       op-mode = <0>;
+       tdm-slots = <2>;
+
+       /* 0: INACTIVE, 1: TX, 2: RX */
+       serial-dir = <
+                       0 0 1 2
+                       0 0 0 0
+                       0 0 0 0
+                       0 0 0 0
+       >;
+       tx-num-evt = <32>;
+       rx-num-evt = <32>;
+       status = "okay";
+};
+
 &sdhci1 {
        vmmc-supply = <&vcc_3v3_mmc>;
        vqmmc-supply = <&vddshv5_sdio>;