[PATCH v2] riscv: dts: sophgo: add timer dt node for CV1800
Conor Dooley
conor at kernel.org
Thu Jan 25 09:12:54 PST 2024
On Thu, Jan 25, 2024 at 05:46:23PM +0800, AnnanLiu wrote:
> Add the timer device tree node to CV1800 SoC.
>
> Signed-off-by: AnnanLiu <annan.liu.xdu at outlook.com>
> ---
> This patch depends on the clk driver and reset driver.
> Clk driver link:
> https://lore.kernel.org/all/IA1PR20MB49539CDAD9A268CBF6CA184BBB9FA@IA1PR20MB4953.namprd20.prod.outlook.com/
> Reset driver link:
> https://lore.kernel.org/all/20231113005503.2423-1-jszhang@kernel.org/
>
> Changes since v1:
> - Change the status of the timer from disabled to okay.
> v1 link:
> https://lore.kernel.org/all/DM6PR20MB23167E08FCA546D6C1899CB1AB9EA@DM6PR20MB2316.namprd20.prod.outlook.com/
>
> arch/riscv/boot/dts/sophgo/cv1800b.dtsi | 73 +++++++++++++++++++++++++
> 1 file changed, 73 insertions(+)
>
> diff --git a/arch/riscv/boot/dts/sophgo/cv1800b.dtsi b/arch/riscv/boot/dts/sophgo/cv1800b.dtsi
> index aec6401a467b..aef7970af2b8 100644
> --- a/arch/riscv/boot/dts/sophgo/cv1800b.dtsi
> +++ b/arch/riscv/boot/dts/sophgo/cv1800b.dtsi
> @@ -1,6 +1,7 @@
> // SPDX-License-Identifier: (GPL-2.0 OR MIT)
> /*
> * Copyright (C) 2023 Jisheng Zhang <jszhang at kernel.org>
> + * Copyright (C) 2024 Annan Liu <annan.liu.xdu at outlook.com>
> */
>
> #include <dt-bindings/interrupt-controller/irq.h>
> @@ -113,6 +114,78 @@ plic: interrupt-controller at 70000000 {
> riscv,ndev = <101>;
> };
>
> + timer0: timer at 030a0000 {
> + compatible = "snps,dw-apb-timer";
> + reg = <0x030a0000 0x14>;
> + interrupts = <79 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&osc>;
> + resets = <&rst RST_TIMER0>;
> + status = "okay";
Do these really have no interface clock? I'd expect something that
is almost certainly sitting on a apb (or similar) interface to have one.
Thanks,
Conor.
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