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Message-ID: <6c1ca29e-37e4-488c-b3a3-f61aad7f8dcf@amlogic.com>
Date: Wed, 19 Mar 2025 16:46:53 +0800
From: Jiebing Chen <jiebing.chen@...ogic.com>
To: Krzysztof Kozlowski <krzk@...nel.org>
Cc: Jerome Brunet <jbrunet@...libre.com>, Liam Girdwood
<lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>,
Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>, Jaroslav Kysela <perex@...ex.cz>,
Takashi Iwai <tiwai@...e.com>, Neil Armstrong <neil.armstrong@...aro.org>,
Kevin Hilman <khilman@...libre.com>,
Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
Michael Turquette <mturquette@...libre.com>, Stephen Boyd
<sboyd@...nel.org>, linux-sound@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-amlogic@...ts.infradead.org, linux-clk@...r.kernel.org,
jian.xu@...ogic.com, shuai.li@...ogic.com, zhe.wang@...ogic.com
Subject: Re: [PATCH v4 6/6] arm64: dts: amlogic: Add Amlogic S4 Audio
在 2025/3/19 16:26, Krzysztof Kozlowski 写道:
> [You don't often get email fromkrzk@...nel.org. Learn why this is important athttps://aka.ms/LearnAboutSenderIdentification ]
>
> [ EXTERNAL EMAIL ]
>
> On Wed, Mar 19, 2025 at 03:04:49PM +0800, jiebing chen wrote:
>> Add basic audio driver support for the Amlogic S4 based
>> Amlogic AQ222 board. use hifipll pll (1179648000) to
>> support 768k sample rate and 24 bit (s24_le), 24bit sclk
>> is 48fs, use mpll0 (270950400) to support 705.6k sample
>> rate and 32bit, use mpll1 (338688000) to support 705.6k
>> and 24bit.
> Please wrap commit message according to Linux coding style / submission
> process (neither too early nor over the limit):
> https://elixir.bootlin.com/linux/v6.4-rc1/source/Documentation/process/submitting-patches.rst#L597
>
>> Signed-off-by: jiebing chen<jiebing.chen@...ogic.com>
> ...
>
>> +
>> + dai-link-12 {
>> + sound-dai = <&toacodec TOACODEC_OUT>;
>> +
>> + codec {
>> + sound-dai = <&acodec>;
>> + };
>> + };
>> + };
>> +
> Do not add stray blank lines.
>
>> };
>>
>> &pwm_ef {
>> diff --git a/arch/arm64/boot/dts/amlogic/meson-s4.dtsi b/arch/arm64/boot/dts/amlogic/meson-s4.dtsi
>> index 957577d986c0675a503115e1ccbc4387c2051620..83edafc2646438e3e6b1945fa1c4b327254a4131 100644
>> --- a/arch/arm64/boot/dts/amlogic/meson-s4.dtsi
>> +++ b/arch/arm64/boot/dts/amlogic/meson-s4.dtsi
>> @@ -11,7 +11,11 @@
>> #include <dt-bindings/clock/amlogic,s4-peripherals-clkc.h>
>> #include <dt-bindings/power/meson-s4-power.h>
>> #include <dt-bindings/reset/amlogic,meson-s4-reset.h>
>> -
> Why?
>
>> +#include <dt-bindings/clock/axg-audio-clkc.h>
>> +#include <dt-bindings/reset/amlogic,meson-axg-audio-arb.h>
>> +#include <dt-bindings/reset/amlogic,meson-g12a-audio-reset.h>
>> +#include <dt-bindings/sound/meson-g12a-toacodec.h>
>> +#include <dt-bindings/sound/meson-g12a-tohdmitx.h>
> Old style was correct.
>
>> / {
>> cpus {
>> #address-cells = <2>;
>> @@ -46,6 +50,36 @@ cpu3: cpu@3 {
>> };
>> };
>>
>> + tdmif_a: audio-controller-0 {
>> + compatible = "amlogic,axg-tdm-iface";
>> + #sound-dai-cells = <0>;
>> + sound-name-prefix = "TDM_A";
>> + clocks = <&clkc_audio AUD_CLKID_MST_A_SCLK>,
>> + <&clkc_audio AUD_CLKID_MST_A_LRCLK>,
>> + <&clkc_audio AUD_CLKID_MST_A_MCLK>;
>> + clock-names = "sclk", "lrclk","mclk";
>> + };
>> +
>> + tdmif_b: audio-controller-1 {
>> + compatible = "amlogic,axg-tdm-iface";
>> + #sound-dai-cells = <0>;
>> + sound-name-prefix = "TDM_B";
>> + clocks = <&clkc_audio AUD_CLKID_MST_A_SCLK>,
>> + <&clkc_audio AUD_CLKID_MST_B_LRCLK>,
>> + <&clkc_audio AUD_CLKID_MST_B_MCLK>;
>> + clock-names = "sclk", "lrclk","mclk";
>> + };
>> +
>> + tdmif_c: audio-controller-2 {
>> + compatible = "amlogic,axg-tdm-iface";
>> + #sound-dai-cells = <0>;
>> + sound-name-prefix = "TDM_C";
>> + clocks = <&clkc_audio AUD_CLKID_MST_C_SCLK>,
>> + <&clkc_audio AUD_CLKID_MST_C_LRCLK>,
>> + <&clkc_audio AUD_CLKID_MST_C_MCLK>;
>> + clock-names = "sclk", "lrclk","mclk";
>> + };
>> +
>> timer {
>> compatible = "arm,armv8-timer";
>> interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
>> @@ -101,7 +135,6 @@ apb4: bus@...00000 {
>> #address-cells = <2>;
>> #size-cells = <2>;
>> ranges = <0x0 0x0 0x0 0xfe000000 0x0 0x480000>;
>> -
> Why? What is happening in this patch - why are you changing so many
> other pieces?
Hi, Krzysztof
for last versions ,it it not match the amlogic,axg-tdm-iface.yaml
so we must be change the order, otherwise a warning will be thrown，we
copy the dts config from merged dts
the old order not meet the dt-binding rule, Another change, we only add
the audio clock reg
+ compatible = "amlogic,s4-audio-clkc"; + reg = <0x0 0x0 0x0 0xd8>,
add <0x0 0xE80 0x0 0x10>;
We have not made any changes to the rest
arch/arm64/boot/dts/amlogic/meson-s4-s805x2-aq222.dtb: audio-controller-0: clock-names:0: 'sclk' was expected
from schema $id:http://devicetree.org/schemas/sound/amlogic,axg-tdm-iface.yaml#
arch/arm64/boot/dts/amlogic/meson-s4-s805x2-aq222.dtb: audio-controller-0: clock-names:1: 'lrclk' was expected
from schema $id:http://devicetree.org/schemas/sound/amlogic,axg-tdm-iface.yaml#
arch/arm64/boot/dts/amlogic/meson-s4-s805x2-aq222.dtb: audio-controller-0: clock-names:2: 'mclk' was expected
>> clkc_periphs: clock-controller@0 {
>> compatible = "amlogic,s4-peripherals-clkc";
>> reg = <0x0 0x0 0x0 0x49c>;
>> @@ -134,6 +167,17 @@ clkc_pll: clock-controller@...0 {
>> #clock-cells = <1>;
>> };
>>
>> + acodec: audio-controller@...00 {
>> + compatible = "amlogic,t9015";
>> + reg = <0x0 0x1A000 0x0 0x14>;
>> + #sound-dai-cells = <0>;
>> + sound-name-prefix = "ACODEC";
>> + clocks = <&clkc_periphs CLKID_ACODEC>;
>> + clock-names = "pclk";
>> + resets = <&reset RESET_ACODEC>;
>> + AVDD-supply = <&vddio_ao1v8>;
>> + };
>> +
>> watchdog@...0 {
>> compatible = "amlogic,s4-wdt", "amlogic,t7-wdt";
>> reg = <0x0 0x2100 0x0 0x10>;
>> @@ -850,3 +894,327 @@ emmc: mmc@...8c000 {
>> };
>> };
>> };
>> +
>> +&apb4 {
>> + audio: bus@...000 {
>> + compatible = "simple-bus";
>> + reg = <0x0 0x330000 0x0 0x1000>;
> That's not a simple bus in such case.
>
> NAK
>
>
> Best regards,
> Krzysztof
>
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