lkml.org 
[lkml]   [2021]   [Apr]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH] arm64: dts: meson: vim3: enable hdmi audio loopback
From
Date
On 29/04/2021 10:42, Jerome Brunet wrote:
> Enable audio capture frontends and a tdm decoder.
> This makes it possible to loopback the audio played on the hdmi codec,
> which is the only output interface at the moment.
>
> Of course, one TODDR device would be enough to do that but since
> the 3 FRDDRs are enabled on the playback side, let's do the same on the
> capture side.
>
> Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
> ---
> .../boot/dts/amlogic/meson-khadas-vim3.dtsi | 41 +++++++++++++++++--
> .../dts/amlogic/meson-sm1-khadas-vim3l.dts | 13 ++++++
> 2 files changed, 50 insertions(+), 4 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/amlogic/meson-khadas-vim3.dtsi b/arch/arm64/boot/dts/amlogic/meson-khadas-vim3.dtsi
> index 66d67524b031..3cf4ecb6d52e 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-khadas-vim3.dtsi
> +++ b/arch/arm64/boot/dts/amlogic/meson-khadas-vim3.dtsi
> @@ -171,11 +171,16 @@ hdmi_connector_in: endpoint {
> sound {
> compatible = "amlogic,axg-sound-card";
> model = "KHADAS-VIM3";
> - audio-aux-devs = <&tdmout_a>;
> + audio-aux-devs = <&tdmin_a>, <&tdmout_a>;
> audio-routing = "TDMOUT_A IN 0", "FRDDR_A OUT 0",
> "TDMOUT_A IN 1", "FRDDR_B OUT 0",
> "TDMOUT_A IN 2", "FRDDR_C OUT 0",
> - "TDM_A Playback", "TDMOUT_A OUT";
> + "TDM_A Playback", "TDMOUT_A OUT",
> + "TDMIN_A IN 0", "TDM_A Capture",
> + "TDMIN_A IN 3", "TDM_A Loopback",
> + "TODDR_A IN 0", "TDMIN_A OUT",
> + "TODDR_B IN 0", "TDMIN_A OUT",
> + "TODDR_C IN 0", "TDMIN_A OUT";
>
> assigned-clocks = <&clkc CLKID_MPLL2>,
> <&clkc CLKID_MPLL0>,
> @@ -198,8 +203,20 @@ dai-link-2 {
> sound-dai = <&frddr_c>;
> };
>
> - /* 8ch hdmi interface */
> dai-link-3 {
> + sound-dai = <&toddr_a>;
> + };
> +
> + dai-link-4 {
> + sound-dai = <&toddr_b>;
> + };
> +
> + dai-link-5 {
> + sound-dai = <&toddr_c>;
> + };
> +
> + /* 8ch hdmi interface */
> + dai-link-6 {
> sound-dai = <&tdmif_a>;
> dai-format = "i2s";
> dai-tdm-slot-tx-mask-0 = <1 1>;
> @@ -214,7 +231,7 @@ codec {
> };
>
> /* hdmi glue */
> - dai-link-4 {
> + dai-link-7 {
> sound-dai = <&tohdmitx TOHDMITX_I2S_OUT>;
>
> codec {
> @@ -454,10 +471,26 @@ &tdmif_a {
> status = "okay";
> };
>
> +&tdmin_a {
> + status = "okay";
> +};
> +
> &tdmout_a {
> status = "okay";
> };
>
> +&toddr_a {
> + status = "okay";
> +};
> +
> +&toddr_b {
> + status = "okay";
> +};
> +
> +&toddr_c {
> + status = "okay";
> +};
> +
> &tohdmitx {
> status = "okay";
> };
> diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1-khadas-vim3l.dts b/arch/arm64/boot/dts/amlogic/meson-sm1-khadas-vim3l.dts
> index 06de0b1ce726..f2c098143594 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-sm1-khadas-vim3l.dts
> +++ b/arch/arm64/boot/dts/amlogic/meson-sm1-khadas-vim3l.dts
> @@ -32,6 +32,19 @@ vddcpu: regulator-vddcpu {
> regulator-boot-on;
> regulator-always-on;
> };
> +
> + sound {
> + model = "G12B-KHADAS-VIM3L";
> + audio-routing = "TDMOUT_A IN 0", "FRDDR_A OUT 0",
> + "TDMOUT_A IN 1", "FRDDR_B OUT 0",
> + "TDMOUT_A IN 2", "FRDDR_C OUT 0",
> + "TDM_A Playback", "TDMOUT_A OUT",
> + "TDMIN_A IN 0", "TDM_A Capture",
> + "TDMIN_A IN 13", "TDM_A Loopback",
> + "TODDR_A IN 0", "TDMIN_A OUT",
> + "TODDR_B IN 0", "TDMIN_A OUT",
> + "TODDR_C IN 0", "TDMIN_A OUT";
> + };
> };
>
> &cpu0 {
>

Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>

\
 
 \ /
  Last update: 2021-04-29 11:10    [W:0.045 / U:0.180 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site