wcd937x codec contains soundwire RX and TX slave devices and can convert digital audio to analog audio and vice versa. The codec node also requires description of reset pin/gpio. Cc: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx> Signed-off-by: Alexey Klimov <alexey.klimov@xxxxxxxxxx> --- arch/arm64/boot/dts/qcom/qrb4210-rb2.dts | 55 ++++++++++++++++++++++++ 1 file changed, 55 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts b/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts index 283a67d8e71d..fc71f5930688 100644 --- a/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts +++ b/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts @@ -5,6 +5,7 @@ /dts-v1/; +#include <dt-bindings/gpio/gpio.h> #include <dt-bindings/leds/common.h> #include <dt-bindings/sound/qcom,q6afe.h> #include <dt-bindings/sound/qcom,q6asm.h> @@ -154,6 +155,25 @@ codec { }; }; + wcd937x: codec { + compatible = "qcom,wcd9370-codec"; + pinctrl-0 = <&wcd_reset_n>; + pinctrl-names = "default"; + reset-gpios = <&tlmm 82 GPIO_ACTIVE_LOW>; + vdd-buck-supply = <&vreg_l9a_1p8>; + vdd-rxtx-supply = <&vreg_l9a_1p8>; + vdd-px-supply = <&vreg_l9a_1p8>; + vdd-mic-bias-supply = <&vdc_vbat_som>; + qcom,micbias1-microvolt = <1800000>; + qcom,micbias2-microvolt = <1800000>; + qcom,micbias3-microvolt = <1800000>; + qcom,micbias4-microvolt = <1800000>; + qcom,mbhc-buttons-vthreshold-microvolt = <75000 150000 237000 500000 500000 500000 500000 500000>; + qcom,rx-device = <&wcd937x_rx>; + qcom,tx-device = <&wcd937x_tx>; + #sound-dai-cells = <1>; + }; + vreg_hdmi_out_1p2: regulator-hdmi-out-1p2 { compatible = "regulator-fixed"; regulator-name = "VREG_HDMI_OUT_1P2"; @@ -607,6 +627,26 @@ &sleep_clk { clock-frequency = <32000>; }; +&swr1 { + status = "okay"; + + wcd937x_rx: codec@0,4 { + compatible = "sdw20217010a00"; + reg = <0 4>; + qcom,rx-port-mapping = <1 2 3 4 5>; + }; +}; + +&swr0 { + status = "okay"; + + wcd937x_tx: codec@0,3 { + compatible = "sdw20217010a00"; + reg = <0 3>; + qcom,tx-port-mapping = <1 1 2 3>; + }; +}; + &tlmm { gpio-reserved-ranges = <43 2>, <49 1>, <54 1>, <56 3>, <61 2>, <64 1>, @@ -691,6 +731,21 @@ sdc2_card_det_n: sd-card-det-n-state { drive-strength = <2>; bias-pull-up; }; + + wcd_reset_n: wcd-reset-n-state { + pins = "gpio82"; + function = "gpio"; + drive-strength = <16>; + output-high; + }; + + wcd_reset_n_sleep: wcd-reset-n-sleep-state { + pins = "gpio82"; + function = "gpio"; + drive-strength = <16>; + bias-disable; + output-low; + }; }; &uart3 { -- 2.45.2