Re: [PATCH 07/14] riscv: dts: canaan: fix the k210's memory node

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On 6/18/22 21:30, Conor Dooley wrote:
> From: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
> 
> The k210 memory node has a compatible string that does not match with
> any driver or dt-binding & has several non standard properties.
> Replace the reg names with a comment and delete the rest.
> 
> Signed-off-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
> ---
> ---
>  arch/riscv/boot/dts/canaan/k210.dtsi | 6 ------
>  1 file changed, 6 deletions(-)
> 
> diff --git a/arch/riscv/boot/dts/canaan/k210.dtsi b/arch/riscv/boot/dts/canaan/k210.dtsi
> index 44d338514761..287ea6eebe47 100644
> --- a/arch/riscv/boot/dts/canaan/k210.dtsi
> +++ b/arch/riscv/boot/dts/canaan/k210.dtsi
> @@ -69,15 +69,9 @@ cpu1_intc: interrupt-controller {
>  
>  	sram: memory@80000000 {
>  		device_type = "memory";
> -		compatible = "canaan,k210-sram";
>  		reg = <0x80000000 0x400000>,
>  		      <0x80400000 0x200000>,
>  		      <0x80600000 0x200000>;
> -		reg-names = "sram0", "sram1", "aisram";
> -		clocks = <&sysclk K210_CLK_SRAM0>,
> -			 <&sysclk K210_CLK_SRAM1>,
> -			 <&sysclk K210_CLK_AI>;
> -		clock-names = "sram0", "sram1", "aisram";
>  	};

These are used by u-boot to setup the memory clocks and initialize the
aisram. Sure the kernel actually does not use this, but to be in sync with
u-boot DT, I would prefer keeping this as is. Right now, u-boot *and* the
kernel work fine with both u-boot internal DT and the kernel DT.

-- 
Damien Le Moal
Western Digital Research



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