@@ -4,6 +4,7 @@
* Authors:
* Fabien Parent <fparent@baylibre.com>
* Bernhard Rosenkränzer <bero@baylibre.com>
+ * Alexandre Mergnat <amergnat@baylibre.com>
*/
/dts-v1/;
@@ -86,6 +87,28 @@ optee_reserved: optee@43200000 {
reg = <0 0x43200000 0 0x00c00000>;
};
};
+
+ sound: sound {
+ compatible = "mediatek,mt8365-mt6357";
+ pinctrl-names = "default",
+ "dmic",
+ "miso_off",
+ "miso_on",
+ "mosi_off",
+ "mosi_on";
+ pinctrl-0 = <&aud_default_pins>;
+ pinctrl-1 = <&aud_dmic_pins>;
+ pinctrl-2 = <&aud_miso_off_pins>;
+ pinctrl-3 = <&aud_miso_on_pins>;
+ pinctrl-4 = <&aud_mosi_off_pins>;
+ pinctrl-5 = <&aud_mosi_on_pins>;
+ mediatek,platform = <&afe>;
+ };
+};
+
+&afe {
+ mediatek,dmic-mode = <1>;
+ status = "okay";
};
&cpu0 {
@@ -178,9 +201,75 @@ &mt6357_pmic {
interrupts-extended = <&pio 145 IRQ_TYPE_LEVEL_HIGH>;
interrupt-controller;
#interrupt-cells = <2>;
+ audio-codec {
+ vaud28-supply = <&mt6357_vaud28_reg>;
+ mediatek,micbias0-microvolt = <1900000>;
+ mediatek,micbias1-microvolt = <1700000>;
+ };
};
&pio {
+ aud_default_pins: audiodefault-pins {
+ pins {
+ pinmux = <MT8365_PIN_72_CMDAT4__FUNC_I2S3_BCK>,
+ <MT8365_PIN_73_CMDAT5__FUNC_I2S3_LRCK>,
+ <MT8365_PIN_74_CMDAT6__FUNC_I2S3_MCK>,
+ <MT8365_PIN_75_CMDAT7__FUNC_I2S3_DO>;
+ };
+ };
+
+ aud_dmic_pins: audiodmic-pins {
+ pins {
+ pinmux = <MT8365_PIN_117_DMIC0_CLK__FUNC_DMIC0_CLK>,
+ <MT8365_PIN_118_DMIC0_DAT0__FUNC_DMIC0_DAT0>,
+ <MT8365_PIN_119_DMIC0_DAT1__FUNC_DMIC0_DAT1>;
+ };
+ };
+
+ aud_miso_off_pins: misooff-pins {
+ pins {
+ pinmux = <MT8365_PIN_53_AUD_CLK_MISO__FUNC_GPIO53>,
+ <MT8365_PIN_54_AUD_SYNC_MISO__FUNC_GPIO54>,
+ <MT8365_PIN_55_AUD_DAT_MISO0__FUNC_GPIO55>,
+ <MT8365_PIN_56_AUD_DAT_MISO1__FUNC_GPIO56>;
+ input-enable;
+ bias-pull-down;
+ drive-strength = <MTK_DRIVE_2mA>;
+ };
+ };
+
+ aud_miso_on_pins: misoon-pins {
+ pins {
+ pinmux = <MT8365_PIN_53_AUD_CLK_MISO__FUNC_AUD_CLK_MISO>,
+ <MT8365_PIN_54_AUD_SYNC_MISO__FUNC_AUD_SYNC_MISO>,
+ <MT8365_PIN_55_AUD_DAT_MISO0__FUNC_AUD_DAT_MISO0>,
+ <MT8365_PIN_56_AUD_DAT_MISO1__FUNC_AUD_DAT_MISO1>;
+ drive-strength = <MTK_DRIVE_6mA>;
+ };
+ };
+
+ aud_mosi_off_pins: mosioff-pins {
+ pins {
+ pinmux = <MT8365_PIN_49_AUD_CLK_MOSI__FUNC_GPIO49>,
+ <MT8365_PIN_50_AUD_SYNC_MOSI__FUNC_GPIO50>,
+ <MT8365_PIN_51_AUD_DAT_MOSI0__FUNC_GPIO51>,
+ <MT8365_PIN_52_AUD_DAT_MOSI1__FUNC_GPIO52>;
+ input-enable;
+ bias-pull-down;
+ drive-strength = <MTK_DRIVE_2mA>;
+ };
+ };
+
+ aud_mosi_on_pins: mosion-pins {
+ pins {
+ pinmux = <MT8365_PIN_49_AUD_CLK_MOSI__FUNC_AUD_CLK_MOSI>,
+ <MT8365_PIN_50_AUD_SYNC_MOSI__FUNC_AUD_SYNC_MOSI>,
+ <MT8365_PIN_51_AUD_DAT_MOSI0__FUNC_AUD_DAT_MOSI0>,
+ <MT8365_PIN_52_AUD_DAT_MOSI1__FUNC_AUD_DAT_MOSI1>;
+ drive-strength = <MTK_DRIVE_6mA>;
+ };
+ };
+
ethernet_pins: ethernet-pins {
phy_reset_pins {
pinmux = <MT8365_PIN_133_TDM_TX_DATA1__FUNC_GPIO133>;
Add the sound node which is linked to the MT8365 SoC AFE and the MT6357 audio codec. Update the file header. Signed-off-by: Alexandre Mergnat <amergnat@baylibre.com> --- arch/arm64/boot/dts/mediatek/mt8365-evk.dts | 89 +++++++++++++++++++++++++++++ 1 file changed, 89 insertions(+)