[PATCH v4 2/3] ARM: dts: aspeed-g6: Add AST2600 LPC PCC support

Krzysztof Kozlowski krzk at kernel.org
Mon Mar 17 20:13:04 AEDT 2025


On Fri, Mar 14, 2025 at 07:21:12PM +0800, Kevin Chen wrote:
> The AST2600 has PCC controller in LPC, placed in LPC node.
> 
> Signed-off-by: Kevin Chen <kevin_chen at aspeedtech.com>
> ---
>  arch/arm/boot/dts/aspeed/aspeed-g6.dtsi | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/aspeed/aspeed-g6.dtsi b/arch/arm/boot/dts/aspeed/aspeed-g6.dtsi
> index 8ed715bd53aa..f238337e02da 100644
> --- a/arch/arm/boot/dts/aspeed/aspeed-g6.dtsi
> +++ b/arch/arm/boot/dts/aspeed/aspeed-g6.dtsi
> @@ -626,6 +626,14 @@ lpc_snoop: lpc-snoop at 80 {
>  					status = "disabled";
>  				};
>  
> +				lpc_pcc: lpc-pcc at 0 {
> +					compatible = "aspeed,ast2600-lpc-pcc";
> +					reg = <0x0 0x140>;
> +					interrupts = <GIC_SPI 145 IRQ_TYPE_LEVEL_HIGH>;
> +					pcc-ports = <0x80>;

So this is 0x80 for entire SoC, then it is implied by compatible, no?

> +					status = "disabled";

Where is any DTS user of this device?

Best regards,
Krzysztof



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