diff options
| author | Biju Das <biju.das.jz@bp.renesas.com> | 2021-09-21 11:46:04 +0300 |
|---|---|---|
| committer | Geert Uytterhoeven <geert+renesas@glider.be> | 2021-09-24 15:55:24 +0300 |
| commit | e396d6103343ff95874444bd8a67f031eafe0e38 (patch) | |
| tree | ea6c4270ca99acf042cf90bdee85e5955180fb5e /arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi | |
| parent | 1c8da81cc452075a21d4654f88264df8e8e89676 (diff) | |
| download | linux-e396d6103343ff95874444bd8a67f031eafe0e38.tar.xz | |
arm64: dts: renesas: rzg2l-smarc: Enable audio
Enable audio on RZ/G2L SMARC EVK by linking SSI0 with WM8978
audio CODEC.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20210921084605.16250-4-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Diffstat (limited to 'arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi')
| -rw-r--r-- | arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi b/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi index 85fd6dbabff2..1791c21dfe74 100644 --- a/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi +++ b/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi @@ -8,6 +8,19 @@ #include <dt-bindings/gpio/gpio.h> #include <dt-bindings/pinctrl/rzg2l-pinctrl.h> +/* + * SSI-WM8978 + * + * This command is required when Playback/Capture + * + * amixer cset name='Left Input Mixer L2 Switch' on + * amixer cset name='Right Input Mixer R2 Switch' on + * amixer cset name='Headphone Playback Volume' 100 + * amixer cset name='PCM Volume' 100% + * amixer cset name='Input PGA Volume' 25 + * + */ + / { aliases { serial0 = &scif0; @@ -21,6 +34,29 @@ stdout-path = "serial0:115200n8"; }; + audio_mclock: audio_mclock { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <11289600>; + }; + + snd_rzg2l: sound { + compatible = "simple-audio-card"; + simple-audio-card,format = "i2s"; + simple-audio-card,bitclock-master = <&cpu_dai>; + simple-audio-card,frame-master = <&cpu_dai>; + simple-audio-card,mclk-fs = <256>; + + cpu_dai: simple-audio-card,cpu { + sound-dai = <&ssi0>; + }; + + codec_dai: simple-audio-card,codec { + clocks = <&audio_mclock>; + sound-dai = <&wm8978>; + }; + }; + usb0_vbus_otg: regulator-usb0-vbus-otg { compatible = "regulator-fixed"; @@ -30,6 +66,14 @@ }; }; +&audio_clk1{ + clock-frequency = <11289600>; +}; + +&audio_clk2{ + clock-frequency = <12288000>; +}; + &ehci0 { dr_mode = "otg"; status = "okay"; @@ -90,6 +134,9 @@ }; &pinctrl { + pinctrl-0 = <&sound_clk_pins>; + pinctrl-names = "default"; + i2c0_pins: i2c0 { pins = "RIIC0_SDA", "RIIC0_SCL"; input-enable; @@ -110,6 +157,18 @@ <RZG2L_PORT_PINMUX(38, 1, 1)>; /* RxD */ }; + sound_clk_pins: sound_clk { + pins = "AUDIO_CLK1", "AUDIO_CLK2"; + input-enable; + }; + + ssi0_pins: ssi0 { + pinmux = <RZG2L_PORT_PINMUX(45, 0, 1)>, /* BCK */ + <RZG2L_PORT_PINMUX(45, 1, 1)>, /* RCK */ + <RZG2L_PORT_PINMUX(45, 2, 1)>, /* TXD */ + <RZG2L_PORT_PINMUX(45, 3, 1)>; /* RXD */ + }; + usb0_pins: usb0 { pinmux = <RZG2L_PORT_PINMUX(4, 0, 1)>, /* VBUS */ <RZG2L_PORT_PINMUX(5, 0, 1)>, /* OVC */ @@ -128,6 +187,13 @@ status = "okay"; }; +&ssi0 { + pinctrl-0 = <&ssi0_pins>; + pinctrl-names = "default"; + + status = "okay"; +}; + &usb2_phy0 { pinctrl-0 = <&usb0_pins>; pinctrl-names = "default"; |