Re: [PATCH v2 4/6] arm64: dts: axiado: Add initial support for AX3000 SoC and eval board

From: Krzysztof Kozlowski
Date: Fri Jun 20 2025 - 02:08:30 EST


On 20/06/2025 00:41, Harshit Shah wrote:
>>> +
>>> + spi_clk: spi_clk {
>>> + compatible = "fixed-clock";
>>> + #clock-cells = <0>;
>>> + clock-frequency = <25000000>;
>>> + };
>>> +
>>> + apb_pclk: apb_pclk {
>> No underscores in node names, but all these look incorrect - don't you
>> have clock controller?
> Noted, we will remove the "_" from the nodes. We do have clock
> controller however that is being accessed by other CPU before Linux will
> come-up.

What does it mean? Is the clock controller not available at all for
Linux or any other OS?

>
> So, the purpose of this clock nodes is to calculate the frequencies for
> other peripherals. (We will update the nodes with clock-<freq>)

You do not calculate any frequencies here... You created nodes for fixed
clocks but I question here whether these are fixed clocks.

Where are these clocks located exactly?


Best regards,
Krzysztof