| Message ID | 20250522-rb2_audio_v3-v3-10-9eeb08cab9dc@linaro.org |
|---|---|
| State | New |
| Headers | show |
| Series | qrb4210-rb2: add wsa audio playback and capture support | expand |
On 5/22/25 7:41 PM, Alexey Klimov wrote: > One WSA881X amplifier is connected on QRB4210 RB2 board > hence only mono speaker is supported. This amplifier is set > to work in analog mode only. Also add required powerdown > pin/gpio. > > Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> > Signed-off-by: Alexey Klimov <alexey.klimov@linaro.org> > --- > arch/arm64/boot/dts/qcom/qrb4210-rb2.dts | 26 ++++++++++++++++++++++++++ > 1 file changed, 26 insertions(+) > > diff --git a/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts b/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts > index 6bce63720cfffd8e0e619937fb1f365cbbbcb283..4b878e585227ee6b3b362108be96aad99acba21d 100644 > --- a/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts > +++ b/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts > @@ -270,6 +270,24 @@ zap-shader { > }; > }; > > +&i2c1 { > + clock-frequency = <400000>; > + status = "okay"; > + > + wsa881x: amplifier@f { > + compatible = "qcom,wsa8815"; > + reg = <0x0f>; > + pinctrl-0 = <&wsa_en_active>; > + pinctrl-names = "default"; > + clocks = <&q6afecc LPASS_CLK_ID_MCLK_2 LPASS_CLK_ATTRIBUTE_COUPLE_NO>; > + powerdown-gpios = <&lpass_tlmm 16 GPIO_ACTIVE_LOW>; > + mclk-gpios = <&lpass_tlmm 18 GPIO_ACTIVE_HIGH>; > + sound-name-prefix = "SpkrMono"; > + #sound-dai-cells = <0>; > + #thermal-sensor-cells = <0>; > + }; > +}; > + > &i2c2_gpio { > clock-frequency = <400000>; > status = "okay"; > @@ -736,6 +754,14 @@ wcd_reset_n: wcd-reset-n-state { > drive-strength = <16>; > output-high; > }; > + > + wsa_en_active: wsa-en-active-state { > + pins = "gpio106"; Are there two separate enable pins? Or is the powerdown-gpio something else? Konrad
diff --git a/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts b/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts index 6bce63720cfffd8e0e619937fb1f365cbbbcb283..4b878e585227ee6b3b362108be96aad99acba21d 100644 --- a/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts +++ b/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts @@ -270,6 +270,24 @@ zap-shader { }; }; +&i2c1 { + clock-frequency = <400000>; + status = "okay"; + + wsa881x: amplifier@f { + compatible = "qcom,wsa8815"; + reg = <0x0f>; + pinctrl-0 = <&wsa_en_active>; + pinctrl-names = "default"; + clocks = <&q6afecc LPASS_CLK_ID_MCLK_2 LPASS_CLK_ATTRIBUTE_COUPLE_NO>; + powerdown-gpios = <&lpass_tlmm 16 GPIO_ACTIVE_LOW>; + mclk-gpios = <&lpass_tlmm 18 GPIO_ACTIVE_HIGH>; + sound-name-prefix = "SpkrMono"; + #sound-dai-cells = <0>; + #thermal-sensor-cells = <0>; + }; +}; + &i2c2_gpio { clock-frequency = <400000>; status = "okay"; @@ -736,6 +754,14 @@ wcd_reset_n: wcd-reset-n-state { drive-strength = <16>; output-high; }; + + wsa_en_active: wsa-en-active-state { + pins = "gpio106"; + function = "gpio"; + drive-strength = <16>; + bias-disable; + output-high; + }; }; &uart3 {
One WSA881X amplifier is connected on QRB4210 RB2 board hence only mono speaker is supported. This amplifier is set to work in analog mode only. Also add required powerdown pin/gpio. Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Signed-off-by: Alexey Klimov <alexey.klimov@linaro.org> --- arch/arm64/boot/dts/qcom/qrb4210-rb2.dts | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+)