linux-kernel - Re: [PATCH] arm64: dts: meson-sm1: add spdifin spdifout nodes

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Date:   Mon, 6 Sep 2021 19:56:06 +0800
From:   Art Nikpal <email2tema@...il.com>
To:     Jerome Brunet <jbrunet@...libre.com>
Cc:     Neil Armstrong <narmstrong@...libre.com>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        "open list:ARM/Amlogic Meson..." <linux-amlogic@...ts.infradead.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Christian Hewitt <christianshewitt@...il.com>,
        Artem Lapkin <art@...das.com>, Nick Xie <nick@...das.com>,
        Gouwa Wang <gouwa@...das.com>
Subject: Re: [PATCH] arm64: dts: meson-sm1: add spdifin spdifout nodes

> It would be nice to indicate how it was tested ?

https://github.com/khadas/khadas-linux-kernel/blob/master/patches/linux-5.14-rc5.sound/0001-arm64-dts-meson-khadas-vim3-remake-simple-sound-for-.patch

i have test it

i2s  and spdif output from gpio headers - works well

On Mon, Sep 6, 2021 at 5:29 PM Jerome Brunet <jbrunet@...libre.com> wrote:
>
>
> On Thu 02 Sep 2021 at 15:31, Neil Armstrong <narmstrong@...libre.com> wrote:
>
> > Hi,
> >
> > On 11/08/2021 07:09, Artem Lapkin wrote:
> >> Add spdifin spdifout spdifout_b nodes for Amlogic SM1 SoCs.
> >>
> >> Signed-off-by: Artem Lapkin <art@...das.com>
> >> ---
> >>  arch/arm64/boot/dts/amlogic/meson-sm1.dtsi | 40 ++++++++++++++++++++++
> >>  1 file changed, 40 insertions(+)
> >>
> >> diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1.dtsi b/arch/arm64/boot/dts/amlogic/meson-sm1.dtsi
> >> index 3d8b1f4f2..1efdbb61e 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>;
> >> @@ -401,6 +428,19 @@ tdmout_c: audio-controller@580 {
> >>                      status = "disabled";
> >>              };
> >>
> >> +            spdifout_b: audio-controller@680 {
> >> +                    compatible = "amlogic,g12a-spdifout",
> >> +                    "amlogic,axg-spdifout";
> >> +                    reg = <0x0 0x680 0x0 0x50>;
> >> +                    #sound-dai-cells = <0>;
> >> +                    sound-name-prefix = "SPDIFOUT_B";
> >> +                    clocks = <&clkc_audio AUD_CLKID_SPDIFOUT_B>,
> >> +                    <&clkc_audio AUD_CLKID_SPDIFOUT_B_CLK>;
> >> +                    clock-names = "pclk", "mclk";
> >> +                    resets = <&clkc_audio AUD_RESET_SPDIFOUT_B>;
> >> +                    status = "disabled";
> >> +            };
> >> +
> >>              toacodec: audio-controller@740 {
> >>                      compatible = "amlogic,sm1-toacodec",
> >>                                   "amlogic,g12a-toacodec";
> >>
> >
> > Jerome could you quickly review this ?
> >
>
> Just this, without the related card change is not usefull as it won't be
> part of the card.
>
> It would be nice to indicate how it was tested ?
>
> AFAIK:
> - spdifout b can only be routed to hdmi and dw-hdmi driver does not
>   support that yet
> - the VIM3 does not have connectors for the spdif (in or out). If it
>   requires some extension card, it should be noted somewhere, at least
>
>
> > Thanks,
> > Neil
>