Re: [PATCH v5 6/7] arm64: dts: ti: k3-j721s2-main: Add the main domain watchdog instances

From: Nishanth Menon
Date: Tue Sep 26 2023 - 13:13:55 EST


On 18:58-20230926, Keerthy wrote:
> There are totally 9 instances of watchdog module. One each for the
> 2 A72 cores, one each for the 2 C7x cores, 1 for the GPU, 1 each
> for the 4 R5F cores in the main domain. Keeping only the A72 instances
> enabled and disabling the rest by default.

Will be good to explain why in the commit message as well.

>
> Signed-off-by: Keerthy <j-keerthy@xxxxxx>
> ---
> arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi | 88 ++++++++++++++++++++++
> 1 file changed, 88 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
> index 8a717b592238..5e3c0ef9b10b 100644
> --- a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
> @@ -1702,4 +1702,92 @@
> ti,esm-pins = <688>, <689>;
> bootph-pre-ram;
> };
> +
> + watchdog0: watchdog@2200000 {
> + compatible = "ti,j7-rti-wdt";
> + reg = <0x00 0x2200000 0x00 0x100>;
> + clocks = <&k3_clks 286 1>;
> + power-domains = <&k3_pds 286 TI_SCI_PD_EXCLUSIVE>;
> + assigned-clocks = <&k3_clks 286 1>;
> + assigned-clock-parents = <&k3_clks 286 5>;
> + };
> +
> + watchdog1: watchdog@2210000 {
> + compatible = "ti,j7-rti-wdt";
> + reg = <0x00 0x2210000 0x00 0x100>;
> + clocks = <&k3_clks 287 1>;
> + power-domains = <&k3_pds 287 TI_SCI_PD_EXCLUSIVE>;
> + assigned-clocks = <&k3_clks 287 1>;
> + assigned-clock-parents = <&k3_clks 287 5>;
> + };
> +
> + watchdog16: watchdog@2300000 {
> + compatible = "ti,j7-rti-wdt";
> + reg = <0x00 0x2300000 0x00 0x100>;
> + clocks = <&k3_clks 288 1>;
> + power-domains = <&k3_pds 288 TI_SCI_PD_EXCLUSIVE>;
> + assigned-clocks = <&k3_clks 288 1>;
> + assigned-clock-parents = <&k3_clks 288 5>;
> + status = "disabled";
> + };
> +
> + watchdog17: watchdog@2310000 {
> + compatible = "ti,j7-rti-wdt";
> + reg = <0x00 0x2310000 0x00 0x100>;
> + clocks = <&k3_clks 289 1>;
> + power-domains = <&k3_pds 289 TI_SCI_PD_EXCLUSIVE>;
> + assigned-clocks = <&k3_clks 289 1>;
> + assigned-clock-parents = <&k3_clks 289 5>;
> + status = "disabled";
> + };
> +
> + watchdog15: watchdog@22f0000 {
> + compatible = "ti,j7-rti-wdt";
> + reg = <0x00 0x22f0000 0x00 0x100>;
> + clocks = <&k3_clks 290 1>;
> + power-domains = <&k3_pds 290 TI_SCI_PD_EXCLUSIVE>;
> + assigned-clocks = <&k3_clks 290 1>;
> + assigned-clock-parents = <&k3_clks 290 5>;
> + status = "disabled";
> + };
> +
> + watchdog28: watchdog@23c0000 {
> + compatible = "ti,j7-rti-wdt";
> + reg = <0x00 0x23c0000 0x00 0x100>;
> + clocks = <&k3_clks 291 1>;
> + power-domains = <&k3_pds 291 TI_SCI_PD_EXCLUSIVE>;
> + assigned-clocks = <&k3_clks 291 1>;
> + assigned-clock-parents = <&k3_clks 291 5>;
> + status = "disabled";
> + };
> +
> + watchdog29: watchdog@23d0000 {
> + compatible = "ti,j7-rti-wdt";
> + reg = <0x00 0x23d0000 0x00 0x100>;
> + clocks = <&k3_clks 292 1>;
> + power-domains = <&k3_pds 292 TI_SCI_PD_EXCLUSIVE>;
> + assigned-clocks = <&k3_clks 292 1>;
> + assigned-clock-parents = <&k3_clks 292 5>;
> + status = "disabled";
> + };
> +
> + watchdog30: watchdog@23e0000 {
> + compatible = "ti,j7-rti-wdt";
> + reg = <0x00 0x23e0000 0x00 0x100>;
> + clocks = <&k3_clks 293 1>;
> + power-domains = <&k3_pds 293 TI_SCI_PD_EXCLUSIVE>;
> + assigned-clocks = <&k3_clks 293 1>;
> + assigned-clock-parents = <&k3_clks 293 5>;
> + status = "disabled";
> + };
> +
> + watchdog31: watchdog@23f0000 {
> + compatible = "ti,j7-rti-wdt";
> + reg = <0x00 0x23f0000 0x00 0x100>;
> + clocks = <&k3_clks 294 1>;
> + power-domains = <&k3_pds 294 TI_SCI_PD_EXCLUSIVE>;
> + assigned-clocks = <&k3_clks 294 1>;
> + assigned-clock-parents = <&k3_clks 294 5>;
> + status = "disabled";

Missing documentation here as well.

> + };
> };
> --
> 2.17.1
>

--
Regards,
Nishanth Menon
Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3 1A34 DDB5 849D 1736 249D