Messages in this thread Patch in this message | | | From | Artem Lapkin <> | Subject | [PATCH] arm64: dts: meson-sm1: add spdifin spdifout nodes | Date | Wed, 15 Dec 2021 11:02:36 +0800 |
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Add spdifin spdifout nodes for Amlogic SM1 SoCs.
Signed-off-by: Artem Lapkin <art@khadas.com> ---
SPDIF IN and SPDIF OUT both tested and works fine for VIM3L (meson-sm1) same as for VIM3 (meson-g12)
SPDIF in and SPDIF OUT both pins available via GPIO header (SPDIF_OUT PIN 13 spdif_ao_out_pins and SPDIF_IN PIN 35 - same PWM_F spdif_in_h_pins)
https://lore.kernel.org/linux-arm-kernel/1jtuhwvqxa.fsf@starbuckisacylon.baylibre.com/t/
ALSA spdifin test example =========================
# arecord -fS16_LE -r48000 -c2 -Dplug:spdifin
# cat .asoundrc pcm.spdifin { type iec958 slave { pcm "hw:0,1" format IEC958_SUBFRAME_LE } }
DT sound card configs for testing =================================
&spdifout { pinctrl-0 = <&spdif_ao_out_pins>; pinctrl-names = "default"; status = "okay"; };
&spdifin { pinctrl-0 = <&spdif_in_h_pins>; pinctrl-names = "default"; status = "okay"; };
... spdif_dit: audio-codec-1 { #sound-dai-cells = <0>; compatible = "linux,spdif-dit"; status = "okay"; sound-name-prefix = "DIT"; };
spdif_dir: audio-codec-2 { #sound-dai-cells = <0>; compatible = "linux,spdif-dir"; status = "okay"; sound-name-prefix = "DIR"; }; ... audio-routing = ... "TODDR_B IN 3", "SPDIFIN Capture", "SPDIFOUT IN 0", "FRDDR_A OUT 3";
... dai-link-10 { sound-dai = <&spdifout>;
codec-0 { sound-dai = <&spdif_dit>; }; };
/* spdif or toslink interface */ dai-link-11 { sound-dai = <&spdifin>;
codec-0 { sound-dai = <&spdif_dir>; }; }; ...
--- arch/arm64/boot/dts/amlogic/meson-sm1.dtsi | 27 ++++++++++++++++++++++ 1 file changed, 27 insertions(+)
diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1.dtsi b/arch/arm64/boot/dts/amlogic/meson-sm1.dtsi index 3d8b1f4f2001..1e0adf259d61 100644 --- a/arch/arm64/boot/dts/amlogic/meson-sm1.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-sm1.dtsi @@ -356,6 +356,33 @@ tdmin_lb: audio-controller@3c0 { status = "disabled"; }; + spdifin: audio-controller@400 { + compatible = "amlogic,g12a-spdifin", + "amlogic,axg-spdifin"; + reg = <0x0 0x400 0x0 0x30>; + #sound-dai-cells = <0>; + sound-name-prefix = "SPDIFIN"; + interrupts = <GIC_SPI 151 IRQ_TYPE_EDGE_RISING>; + clocks = <&clkc_audio AUD_CLKID_SPDIFIN>, + <&clkc_audio AUD_CLKID_SPDIFIN_CLK>; + clock-names = "pclk", "refclk"; + resets = <&clkc_audio AUD_RESET_SPDIFIN>; + status = "disabled"; + }; + + spdifout: audio-controller@480 { + compatible = "amlogic,g12a-spdifout", + "amlogic,axg-spdifout"; + reg = <0x0 0x480 0x0 0x50>; + #sound-dai-cells = <0>; + sound-name-prefix = "SPDIFOUT"; + clocks = <&clkc_audio AUD_CLKID_SPDIFOUT>, + <&clkc_audio AUD_CLKID_SPDIFOUT_CLK>; + clock-names = "pclk", "mclk"; + resets = <&clkc_audio AUD_RESET_SPDIFOUT>; + status = "disabled"; + }; + tdmout_a: audio-controller@500 { compatible = "amlogic,sm1-tdmout"; reg = <0x0 0x500 0x0 0x40>; -- 2.25.1
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