[v2] riscv: Add initial support for Anlogic DR1V90

[PATCH v2 04/11] dt-bindings: timer: Add Anlogic DR1V90 CLINT

Posted by Junhui Liu 1 week, 2 days ago

Add CLINT support for Anlogic DR1V90.

Acked-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Junhui Liu <junhui.liu@pigmoral.tech>
---
 Documentation/devicetree/bindings/timer/sifive,clint.yaml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/timer/sifive,clint.yaml b/Documentation/devicetree/bindings/timer/sifive,clint.yaml
index d85a1a088b35dabc0aa202475b926302705c4cf1..16b8c0bdce82a55765046cfdc8d1f85a8dfb3912 100644
--- a/Documentation/devicetree/bindings/timer/sifive,clint.yaml
+++ b/Documentation/devicetree/bindings/timer/sifive,clint.yaml
@@ -29,6 +29,7 @@ properties:
     oneOf:
       - items:
           - enum:
+              - anlogic,dr1v90-clint    # Anlogic DR1V90
               - canaan,k210-clint       # Canaan Kendryte K210
               - eswin,eic7700-clint     # ESWIN EIC7700
               - sifive,fu540-c000-clint # SiFive FU540

-- 
2.51.0

Re: [PATCH v2 04/11] dt-bindings: timer: Add Anlogic DR1V90 CLINT

Posted by Qingfang Deng 4 days, 15 hours ago

Hi, Junhui,
On Mon, 22 Sep 2025 20:46:34 +0800, Junhui Liu <junhui.liu@pigmoral.tech> wrote:
> --- a/Documentation/devicetree/bindings/timer/sifive,clint.yaml
> +++ b/Documentation/devicetree/bindings/timer/sifive,clint.yaml
> @@ -29,6 +29,7 @@ properties:
>      oneOf:
>        - items:
>            - enum:
> +              - anlogic,dr1v90-clint    # Anlogic DR1V90

UX900 uses the ACLINT with SSWI. Please use the new ACLINT binding.

Link: https://www.nucleisys.com/upload/files/doc/Nuclei_RISC-V_ISA_Spec.pdf

>                - canaan,k210-clint       # Canaan Kendryte K210
>                - eswin,eic7700-clint     # ESWIN EIC7700
>                - sifive,fu540-c000-clint # SiFive FU540
> 
> -- 
> 2.51.0

Regards,
Qingfang

Re: [PATCH v2 04/11] dt-bindings: timer: Add Anlogic DR1V90 CLINT

Posted by Junhui Liu 4 days, 1 hour ago

Hi Qingfang,

On 9/27/25 9:59 PM, Qingfang Deng wrote:
> Hi, Junhui,
> On Mon, 22 Sep 2025 20:46:34 +0800, Junhui Liu <junhui.liu@pigmoral.tech> wrote:
>> --- a/Documentation/devicetree/bindings/timer/sifive,clint.yaml
>> +++ b/Documentation/devicetree/bindings/timer/sifive,clint.yaml
>> @@ -29,6 +29,7 @@ properties:
>>       oneOf:
>>         - items:
>>             - enum:
>> +              - anlogic,dr1v90-clint    # Anlogic DR1V90
> UX900 uses the ACLINT with SSWI. Please use the new ACLINT binding.
>
> Link: https://www.nucleisys.com/upload/files/doc/Nuclei_RISC-V_ISA_Spec.pdf

Thanks for pointing it out. I will verify it in both Kernel and OpenSBI,
and update in next version.

>
>>                 - canaan,k210-clint       # Canaan Kendryte K210
>>                 - eswin,eic7700-clint     # ESWIN EIC7700
>>                 - sifive,fu540-c000-clint # SiFive FU540
>>
>> -- 
>> 2.51.0
> Regards,
> Qingfang

-- 
Best regards,
Junhui Liu