diff options
Diffstat (limited to 'arch/arm64/boot/dts/qcom/msm8939-samsung-a7.dts')
| -rw-r--r-- | arch/arm64/boot/dts/qcom/msm8939-samsung-a7.dts | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/qcom/msm8939-samsung-a7.dts b/arch/arm64/boot/dts/qcom/msm8939-samsung-a7.dts index fccd8fec8b8f..aa6c39482a2f 100644 --- a/arch/arm64/boot/dts/qcom/msm8939-samsung-a7.dts +++ b/arch/arm64/boot/dts/qcom/msm8939-samsung-a7.dts @@ -3,10 +3,12 @@ /dts-v1/; #include "msm8939-pm8916.dtsi" +#include "msm8916-modem-qdsp6.dtsi" #include <dt-bindings/gpio/gpio.h> #include <dt-bindings/input/input.h> #include <dt-bindings/interrupt-controller/irq.h> +#include <dt-bindings/sound/apq8016-lpass.h> / { model = "Samsung Galaxy A7 (2015)"; @@ -287,6 +289,18 @@ }; }; +&blsp_i2c2 { + status = "okay"; + + speaker_codec: audio-codec@34 { + compatible = "nxp,tfa9895"; + reg = <0x34>; + vddd-supply = <&pm8916_l5>; + sound-name-prefix = "Speaker"; + #sound-dai-cells = <0>; + }; +}; + &blsp_i2c5 { status = "okay"; @@ -309,6 +323,29 @@ status = "okay"; }; +/* + * For some reason the speaker amplifier is connected to the second SD line + * (MI2S_2_D1) instead of the first (MI2S_2_D0). This must be configured in the + * device tree, otherwise audio will seemingly play fine on the wrong SD line + * but the speaker stays silent. + * + * When routing audio via QDSP6 (the default) the &lpass node is reserved and + * the definitions from &q6afedai are used. When the modem is disabled audio can + * be alternatively routed directly to the LPASS hardware with reduced latency. + * The definitions for &lpass are here for completeness to simplify changing the + * setup with minor changes to the DT (either manually or with DT overlays). + */ +&lpass { + dai-link@3 { + reg = <MI2S_QUATERNARY>; + qcom,playback-sd-lines = <1>; + }; +}; + +&mpss_mem { + reg = <0x0 0x86800000 0x0 0x5800000>; +}; + &pm8916_resin { linux,code = <KEY_VOLUMEDOWN>; status = "okay"; @@ -321,6 +358,13 @@ }; }; +&q6afedai { + dai@22 { + reg = <QUATERNARY_MI2S_RX>; + qcom,sd-lines = <1>; + }; +}; + &sdhc_1 { status = "okay"; }; @@ -335,6 +379,32 @@ status = "okay"; }; +&sound { + model = "samsung-a2015"; + audio-routing = + "AMIC1", "MIC BIAS External1", + "AMIC2", "MIC BIAS Internal2", + "AMIC3", "MIC BIAS External1"; + + pinctrl-0 = <&cdc_pdm_default &sec_mi2s_default>; + pinctrl-1 = <&cdc_pdm_sleep &sec_mi2s_sleep>; + pinctrl-names = "default", "sleep"; + + sound_link_backend2: backend2-dai-link { + link-name = "Quaternary MI2S"; + + cpu { + sound-dai = <&q6afedai QUATERNARY_MI2S_RX>; + }; + platform { + sound-dai = <&q6routing>; + }; + codec { + sound-dai = <&speaker_codec>; + }; + }; +}; + &usb { extcon = <&muic>, <&muic>; status = "okay"; |