default-state = "off";
};
};
+
+ sound {
+ compatible = "audio-graph-card";
+ label = "STM32MP1-DK";
+ routing =
+ "Playback" , "MCLK",
+ "Capture" , "MCLK",
+ "MICL" , "Mic Bias";
+ dais = <&sai2a_port &sai2b_port>;
+ status = "okay";
+ };
};
&cec {
};
};
};
+
+ cs42l51: cs42l51@4a {
+ compatible = "cirrus,cs42l51";
+ reg = <0x4a>;
+ #sound-dai-cells = <0>;
+ VL-supply = <&v3v3>;
+ VD-supply = <&v1v8_audio>;
+ VA-supply = <&v1v8_audio>;
+ VAHP-supply = <&v1v8_audio>;
+ reset-gpios = <&gpiog 9 GPIO_ACTIVE_LOW>;
+ clocks = <&sai2a>;
+ clock-names = "MCLK";
+ status = "okay";
+
+ cs42l51_port: port {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cs42l51_tx_endpoint: endpoint@0 {
+ reg = <0>;
+ remote-endpoint = <&sai2a_endpoint>;
+ frame-master;
+ bitclock-master;
+ };
+
+ cs42l51_rx_endpoint: endpoint@1 {
+ reg = <1>;
+ remote-endpoint = <&sai2b_endpoint>;
+ frame-master;
+ bitclock-master;
+ };
+ };
+ };
};
&i2c4 {
status = "okay";
};
+&sai2 {
+ clocks = <&rcc SAI2>, <&rcc PLL3_Q>, <&rcc PLL3_R>;
+ clock-names = "pclk", "x8k", "x11k";
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&sai2a_pins_a>, <&sai2b_pins_b>;
+ pinctrl-1 = <&sai2a_sleep_pins_a>, <&sai2b_sleep_pins_b>;
+ status = "okay";
+
+ sai2a: audio-controller@4400b004 {
+ #clock-cells = <0>;
+ dma-names = "tx";
+ clocks = <&rcc SAI2_K>;
+ clock-names = "sai_ck";
+ status = "okay";
+
+ sai2a_port: port {
+ sai2a_endpoint: endpoint {
+ remote-endpoint = <&cs42l51_tx_endpoint>;
+ format = "i2s";
+ mclk-fs = <256>;
+ dai-tdm-slot-num = <2>;
+ dai-tdm-slot-width = <32>;
+ };
+ };
+ };
+
+ sai2b: audio-controller@4400b024 {
+ dma-names = "rx";
+ st,sync = <&sai2a 2>;
+ clocks = <&rcc SAI2_K>, <&sai2a>;
+ clock-names = "sai_ck", "MCLK";
+ status = "okay";
+
+ sai2b_port: port {
+ sai2b_endpoint: endpoint {
+ remote-endpoint = <&cs42l51_rx_endpoint>;
+ format = "i2s";
+ mclk-fs = <256>;
+ dai-tdm-slot-num = <2>;
+ dai-tdm-slot-width = <32>;
+ };
+ };
+ };
+};
+
&sdmmc1 {
pinctrl-names = "default", "opendrain", "sleep";
pinctrl-0 = <&sdmmc1_b4_pins_a>;