Re: [PATCH v4 6/6] arm64: dts: amlogic: Add Amlogic S4 Audio

[Krzysztof Kozlowski <krzk@kernel.org>]

On 19/03/2025 11:38, Jiebing Chen wrote:
>>>   };
>>>
>>>   &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?
> 
> The following files are included that the audio driver depends on

Do you understand how emails work and patch review? I commented under
your change, not unrelated code being there already.

> 
> it is same as sm1 chip
> 
>>> +#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.
> 
> I didn't understand where you were referring to, I'm guessing that's 
> what it was about

Read your patch.


> 
> the following changes to tdmif_a
> 
> old:
> 
> clock-names = "mclk", "sclk", "lrclk";
> 
> new:
> clock-names = "sclk", "lrclk","mclk";
> it fix warning

How is this related to the patch hunk?

Do you understand how patch format works?


...

>>>        timer {
>>>                compatible = "arm,armv8-timer";
>>>                interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
>>> @@ -101,7 +135,6 @@ apb4: bus@fe000000 {
>>>                        #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?

You did not respond here, so I assume you will fix this and do intensive
review before posting next version.

>>
>>>                        clkc_periphs: clock-controller@0 {
>>>                                compatible = "amlogic,s4-peripherals-clkc";
>>>                                reg = <0x0 0x0 0x0 0x49c>;
>>> @@ -134,6 +167,17 @@ clkc_pll: clock-controller@8000 {
>>>                                #clock-cells = <1>;
>>>                        };
>>>
>>> +                     acodec: audio-controller@1a000 {
>>> +                             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@2100 {
>>>                                compatible = "amlogic,s4-wdt", "amlogic,t7-wdt";
>>>                                reg = <0x0 0x2100 0x0 0x10>;
>>> @@ -850,3 +894,327 @@ emmc: mmc@fe08c000 {
>>>                };
>>>        };
>>>   };
>>> +
>>> +&apb4 {
>>> +     audio: bus@330000 {
>>> +             compatible = "simple-bus";
>>> +             reg = <0x0 0x330000 0x0 0x1000>;
>> That's not a simple bus in such case.
> 
> these code base on old dts like sm1/g12a, we didn't easily change any of 
> the relevant properties
> 
> To be consistent with the previous one

Still NAK.

You cannot add bugs just to be consistent.


Best regards,
Krzysztof