@@ -6,11 +6,38 @@
* Copyright (C) 2017 Cogent Embedded, Inc.
*/
+/*
+ * SSI-PCM3168A
+ * aplay -D plughw:0,2 xxx.wav
+ * arecord -D plughw:0,3 xxx.wav
+ */
+
/ {
aliases {
serial1 = &hscif0;
serial2 = &scif1;
};
+
+ clksndsel: clksndsel {
+ #clock-cells = <0>;
+ compatible = "gpio-mux-clock";
+ clocks = <&cs2000>, <&audio_clk_a>; /* clk8snd, clksnd */
+ select-gpios = <&gpio_exp_75 13 GPIO_ACTIVE_HIGH>;
+ };
+
+ snd_3p3v: regulator-snd_3p3v {
+ compatible = "regulator-fixed";
+ regulator-name = "snd-3.3v";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
+ snd_vcc5v: regulator-snd_vcc5v {
+ compatible = "regulator-fixed";
+ regulator-name = "snd-vcc5v";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ };
};
&can0 {
@@ -44,6 +71,7 @@
};
&i2c2 {
+ /* U11 */
gpio_exp_74: gpio@74 {
compatible = "ti,tca9539";
reg = <0x74>;
@@ -53,6 +81,13 @@
interrupt-parent = <&gpio6>;
interrupts = <8 IRQ_TYPE_EDGE_FALLING>;
+ audio_out_off {
+ gpio-hog;
+ gpios = <0 GPIO_ACTIVE_HIGH>; /* P00 */
+ output-high;
+ line-name = "Audio_Out_OFF";
+ };
+
hub_pwen {
gpio-hog;
gpios = <6 GPIO_ACTIVE_HIGH>;
@@ -80,8 +115,16 @@
output-high;
line-name = "OTG EXTLPn";
};
+
+ snd_rst {
+ gpio-hog;
+ gpios = <15 GPIO_ACTIVE_HIGH>; /* P17 */
+ output-high;
+ line-name = "SND_RST";
+ };
};
+ /* U5 */
gpio_exp_75: gpio@75 {
compatible = "ti,tca9539";
reg = <0x75>;
@@ -98,6 +141,48 @@
#size-cells = <0>;
reg = <0x71>;
reset-gpios = <&gpio5 3 GPIO_ACTIVE_LOW>;
+
+ /* Audio_SDA, Audio_SCL */
+ i2c@7 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <7>;
+
+ pcm3168a: audio-codec@44 {
+ #sound-dai-cells = <0>;
+ compatible = "ti,pcm3168a";
+ reg = <0x44>;
+ clocks = <&clksndsel>;
+ clock-names = "scki";
+
+ VDD1-supply = <&snd_3p3v>;
+ VDD2-supply = <&snd_3p3v>;
+ VCCAD1-supply = <&snd_vcc5v>;
+ VCCAD2-supply = <&snd_vcc5v>;
+ VCCDA1-supply = <&snd_vcc5v>;
+ VCCDA2-supply = <&snd_vcc5v>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ mclk-fs = <512>;
+ port@0 {
+ reg = <0>;
+ pcm3168a_endpoint_p: endpoint {
+ remote-endpoint = <&rsnd_for_pcm3168a_play>;
+ clocks = <&clksndsel>;
+ };
+ };
+ port@1 {
+ reg = <1>;
+ pcm3168a_endpoint_c: endpoint {
+ remote-endpoint = <&rsnd_for_pcm3168a_capture>;
+ clocks = <&clksndsel>;
+ };
+ };
+ };
+ };
+ };
};
};
@@ -173,6 +258,11 @@
groups = "usb0";
function = "usb0";
};
+
+ sound_pcm_pins: sound-pcm {
+ groups = "ssi349_ctrl", "ssi3_data", "ssi4_data";
+ function = "ssi";
+ };
};
&scif1 {
@@ -193,3 +283,51 @@
&xhci0 {
status = "okay";
};
+
+&sound_card {
+ dais = <&rsnd_port0 /* ak4613 */
+ &rsnd_port1 /* HDMI0 */
+ &rsnd_port2 /* pcm3168a playback */
+ &rsnd_port3 /* pcm3168a capture */
+ >;
+};
+
+&rcar_sound {
+ pinctrl-0 = <&sound_pins
+ &sound_clk_pins
+ &sound_pcm_pins>;
+
+ ports {
+ /* rsnd_port0/1 are on salvator-common */
+ rsnd_port2: port@2 {
+ reg = <2>;
+ rsnd_for_pcm3168a_play: endpoint {
+ remote-endpoint = <&pcm3168a_endpoint_p>;
+
+ dai-format = "i2s";
+ bitclock-master = <&rsnd_for_pcm3168a_play>;
+ frame-master = <&rsnd_for_pcm3168a_play>;
+ dai-tdm-slot-num = <8>;
+
+ playback = <&ssi3>;
+ };
+ };
+ rsnd_port3: port@3 {
+ reg = <3>;
+ rsnd_for_pcm3168a_capture: endpoint {
+ remote-endpoint = <&pcm3168a_endpoint_c>;
+
+ dai-format = "i2s";
+ bitclock-master = <&rsnd_for_pcm3168a_capture>;
+ frame-master = <&rsnd_for_pcm3168a_capture>;
+ dai-tdm-slot-num = <6>;
+
+ capture = <&ssi4>;
+ };
+ };
+ };
+};
+
+&ssi4 {
+ shared-pin;
+};