[PATCH v3 2/3] riscv: dts: add mailbox for Sophgo CV18XX series SoC

[Inochi Amaoto]

On Tue, Apr 29, 2025 at 02:44:10AM +0000, Junhui Liu wrote:
> Hi Conor,
> Thanks for you review.
> 
> The previous email accidentally lost some Cc lists :(, I'm sorry to
> harass you.
> 
> On 28/04/2025 17:55, Conor Dooley wrote:
> > On Mon, Apr 28, 2025 at 08:39:45PM +0800, Junhui Liu wrote:
> >> From: Yuntao Dai <d1581209858 at live.com>
> >> 
> >> Add mailbox node for Sophgo CV18XX series SoC.
> >> 
> >> Signed-off-by: Yuntao Dai <d1581209858 at live.com>
> >> Signed-off-by: Junhui Liu <junhui.liu at pigmoral.tech>
> >> ---
> >>  arch/riscv/boot/dts/sophgo/cv18xx.dtsi | 7 +++++++
> >>  1 file changed, 7 insertions(+)
> >> 
> >> diff --git a/arch/riscv/boot/dts/sophgo/cv18xx.dtsi b/arch/riscv/boot/dts/sophgo/cv18xx.dtsi
> >> index c18822ec849f353bc296965d2d600a3df314cff6..f7277288f03c024039054bdc4176fc95c2c8be52 100644
> >> --- a/arch/riscv/boot/dts/sophgo/cv18xx.dtsi
> >> +++ b/arch/riscv/boot/dts/sophgo/cv18xx.dtsi
> >> @@ -55,6 +55,13 @@ soc {
> >>  		dma-noncoherent;
> >>  		ranges;
> >>  
> >> +		mailbox: mailbox at 1900000 {
> >> +			compatible = "sophgo,cv1800b-mailbox";
> >> +			reg = <0x01900000 0x1000>;
> >> +			interrupts = <101 IRQ_TYPE_LEVEL_HIGH>;
> >> +			#mbox-cells = <2>;
> >> +		};
> > 
> > No user added here, is there another series in the works that adds a
> > user of the mailbox?
> > 
> 
> There isn't an actual user node in this specific patch. I used a
> `mailbox-test` node to verify the functionality in this patch series.
> 

I am happy to see the way you test it. Can you add it to the cover?

> The intended user for this mailbox is the `remoteproc` node. I plan to
> submit the `remoteproc` driver patches once the corresponding reset
> driver [1] is ready and merged.
> 
> link: https://lore.kernel.org/linux-riscv/20250209122936.2338821-1-inochiama@gmail.com/ [1]
> 

I will submit a version for this in the next rc1. I think you can submit
you remoteproc patch in RFC to get it reviewed.

Regards,
Inochi