[PATCH v5 4/7] arm64: dts: ti: k3-j784s4-main: Add the main domain watchdog instances

J, KEERTHY j-keerthy at ti.com
Tue Sep 26 19:33:12 PDT 2023



On 9/26/2023 10:42 PM, Nishanth Menon wrote:
> On 18:58-20230926, Keerthy wrote:
>> There are totally 19 instances of watchdog module. One each for the
>> 8 A72 cores, one each for the 4 C7x cores, 1 for the GPU, 1 each
>> for the 6 R5F cores in the main domain. Keeping only the A72 instances
>> enabled and disabling the rest by default.
>>
>> Signed-off-by: Keerthy <j-keerthy at ti.com>
>> ---
>>   arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi | 182 +++++++++++++++++++++
>>   1 file changed, 182 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
>> index 26dc3776f911..8c3efe066803 100644
>> --- a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
>> +++ b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
>> @@ -1576,4 +1576,186 @@
>>   			      <695>;
>>   		bootph-pre-ram;
>>   	};
>> +
>> +	watchdog0: watchdog at 2200000 {
>> +		compatible = "ti,j7-rti-wdt";
>> +		reg = <0x00 0x2200000 0x00 0x100>;
>> +		clocks = <&k3_clks 348 1>;
>> +		power-domains = <&k3_pds 348 TI_SCI_PD_EXCLUSIVE>;
>> +		assigned-clocks = <&k3_clks 348 0>;
>> +		assigned-clock-parents = <&k3_clks 348 4>;
>> +	};
>> +
>> +	watchdog1: watchdog at 2210000 {
>> +		compatible = "ti,j7-rti-wdt";
>> +		reg = <0x00 0x2210000 0x00 0x100>;
>> +		clocks = <&k3_clks 349 1>;
>> +		power-domains = <&k3_pds 349 TI_SCI_PD_EXCLUSIVE>;
>> +		assigned-clocks = <&k3_clks 349 0>;
>> +		assigned-clock-parents = <&k3_clks 349 4>;
>> +	};
>> +
>> +	watchdog2: watchdog at 2220000 {
>> +		compatible = "ti,j7-rti-wdt";
>> +		reg = <0x00 0x2220000 0x00 0x100>;
>> +		clocks = <&k3_clks 350 1>;
>> +		power-domains = <&k3_pds 350 TI_SCI_PD_EXCLUSIVE>;
>> +		assigned-clocks = <&k3_clks 350 0>;
>> +		assigned-clock-parents = <&k3_clks 350 4>;
>> +	};
>> +
>> +	watchdog3: watchdog at 2230000 {
>> +		compatible = "ti,j7-rti-wdt";
>> +		reg = <0x00 0x2230000 0x00 0x100>;
>> +		clocks = <&k3_clks 351 1>;
>> +		power-domains = <&k3_pds 351 TI_SCI_PD_EXCLUSIVE>;
>> +		assigned-clocks = <&k3_clks 351 0>;
>> +		assigned-clock-parents = <&k3_clks 351 4>;
>> +	};
>> +
>> +	watchdog4: watchdog at 2240000 {
>> +		compatible = "ti,j7-rti-wdt";
>> +		reg = <0x00 0x2240000 0x00 0x100>;
>> +		clocks = <&k3_clks 352 1>;
>> +		power-domains = <&k3_pds 352 TI_SCI_PD_EXCLUSIVE>;
>> +		assigned-clocks = <&k3_clks 352 0>;
>> +		assigned-clock-parents = <&k3_clks 352 4>;
>> +	};
>> +
>> +	watchdog5: watchdog at 2250000 {
>> +		compatible = "ti,j7-rti-wdt";
>> +		reg = <0x00 0x2250000 0x00 0x100>;
>> +		clocks = <&k3_clks 353 1>;
>> +		power-domains = <&k3_pds 353 TI_SCI_PD_EXCLUSIVE>;
>> +		assigned-clocks = <&k3_clks 353 0>;
>> +		assigned-clock-parents = <&k3_clks 353 4>;
>> +	};
>> +
>> +	watchdog6: watchdog at 2260000 {
>> +		compatible = "ti,j7-rti-wdt";
>> +		reg = <0x00 0x2260000 0x00 0x100>;
>> +		clocks = <&k3_clks 354 1>;
>> +		power-domains = <&k3_pds 354 TI_SCI_PD_EXCLUSIVE>;
>> +		assigned-clocks = <&k3_clks 354 0>;
>> +		assigned-clock-parents = <&k3_clks 354 4>;
>> +	};
>> +
>> +	watchdog7: watchdog at 2270000 {
>> +		compatible = "ti,j7-rti-wdt";
>> +		reg = <0x00 0x2270000 0x00 0x100>;
>> +		clocks = <&k3_clks 355 1>;
>> +		power-domains = <&k3_pds 355 TI_SCI_PD_EXCLUSIVE>;
>> +		assigned-clocks = <&k3_clks 355 0>;
>> +		assigned-clock-parents = <&k3_clks 355 4>;
>> +	};
>> +
>> +	watchdog16: watchdog at 2300000 {
>> +		status = "disabled";
> 
> wow.. lots of watchdogs.. but you seem to have missed the document why
> disabled comment here AND missed the comment about using status
> as the last property.
> https://lore.kernel.org/all/5187c590-ee9a-4c46-b326-655f4c371aaf@linaro.org/

I will fix it in v6.

> 
>> +		compatible = "ti,j7-rti-wdt";
>> +		reg = <0x00 0x2300000 0x00 0x100>;
>> +		clocks = <&k3_clks 356 1>;
>> +		power-domains = <&k3_pds 356 TI_SCI_PD_EXCLUSIVE>;
>> +		assigned-clocks = <&k3_clks 356 0>;
>> +		assigned-clock-parents = <&k3_clks 356 4>;
>> +	};
>> +
>> +	watchdog17: watchdog at 2310000 {
>> +		status = "disabled";
>> +		compatible = "ti,j7-rti-wdt";
>> +		reg = <0x00 0x2310000 0x00 0x100>;
>> +		clocks = <&k3_clks 357 1>;
>> +		power-domains = <&k3_pds 357 TI_SCI_PD_EXCLUSIVE>;
>> +		assigned-clocks = <&k3_clks 357 0>;
>> +		assigned-clock-parents = <&k3_clks 357 4>;
>> +	};
>> +
>> +	watchdog18: watchdog at 2320000 {
>> +		status = "disabled";
>> +		compatible = "ti,j7-rti-wdt";
>> +		reg = <0x00 0x2320000 0x00 0x100>;
>> +		clocks = <&k3_clks 358 1>;
>> +		power-domains = <&k3_pds 358 TI_SCI_PD_EXCLUSIVE>;
>> +		assigned-clocks = <&k3_clks 358 0>;
>> +		assigned-clock-parents = <&k3_clks 358 4>;
>> +	};
>> +
>> +	watchdog19: watchdog at 2330000 {
>> +		status = "disabled";
>> +		compatible = "ti,j7-rti-wdt";
>> +		reg = <0x00 0x2330000 0x00 0x100>;
>> +		clocks = <&k3_clks 359 1>;
>> +		power-domains = <&k3_pds 359 TI_SCI_PD_EXCLUSIVE>;
>> +		assigned-clocks = <&k3_clks 359 0>;
>> +		assigned-clock-parents = <&k3_clks 359 4>;
>> +	};
>> +
>> +	watchdog15: watchdog at 22f0000 {
>> +		status = "disabled";
>> +		compatible = "ti,j7-rti-wdt";
>> +		reg = <0x00 0x22f0000 0x00 0x100>;
>> +		clocks = <&k3_clks 360 1>;
>> +		power-domains = <&k3_pds 360 TI_SCI_PD_EXCLUSIVE>;
>> +		assigned-clocks = <&k3_clks 360 0>;
>> +		assigned-clock-parents = <&k3_clks 360 4>;
>> +	};
>> +
>> +	watchdog28: watchdog at 23c0000 {
>> +		status = "disabled";
>> +		compatible = "ti,j7-rti-wdt";
>> +		reg = <0x00 0x23c0000 0x00 0x100>;
>> +		clocks = <&k3_clks 361 1>;
>> +		power-domains = <&k3_pds 361 TI_SCI_PD_EXCLUSIVE>;
>> +		assigned-clocks = <&k3_clks 361 0>;
>> +		assigned-clock-parents = <&k3_clks 361 4>;
>> +	};
>> +
>> +	watchdog29: watchdog at 23d0000 {
>> +		status = "disabled";
>> +		compatible = "ti,j7-rti-wdt";
>> +		reg = <0x00 0x23d0000 0x00 0x100>;
>> +		clocks = <&k3_clks 362 1>;
>> +		power-domains = <&k3_pds 362 TI_SCI_PD_EXCLUSIVE>;
>> +		assigned-clocks = <&k3_clks 362 0>;
>> +		assigned-clock-parents = <&k3_clks 362 4>;
>> +	};
>> +
>> +	watchdog30: watchdog at 23e0000 {
>> +		status = "disabled";
>> +		compatible = "ti,j7-rti-wdt";
>> +		reg = <0x00 0x23e0000 0x00 0x100>;
>> +		clocks = <&k3_clks 363 1>;
>> +		power-domains = <&k3_pds 363 TI_SCI_PD_EXCLUSIVE>;
>> +		assigned-clocks = <&k3_clks 363 0>;
>> +		assigned-clock-parents = <&k3_clks 363 4>;
>> +	};
>> +
>> +	watchdog31: watchdog at 23f0000 {
>> +		status = "disabled";
>> +		compatible = "ti,j7-rti-wdt";
>> +		reg = <0x00 0x23f0000 0x00 0x100>;
>> +		clocks = <&k3_clks 364 1>;
>> +		power-domains = <&k3_pds 364 TI_SCI_PD_EXCLUSIVE>;
>> +		assigned-clocks = <&k3_clks 364 0>;
>> +		assigned-clock-parents = <&k3_clks 364 4>;
>> +	};
>> +
>> +	watchdog32: watchdog at 2540000 {
>> +		status = "disabled";
>> +		compatible = "ti,j7-rti-wdt";
>> +		reg = <0x00 0x2540000 0x00 0x100>;
>> +		clocks = <&k3_clks 365 1>;
>> +		power-domains = <&k3_pds 365 TI_SCI_PD_EXCLUSIVE>;
>> +		assigned-clocks = <&k3_clks 365 0>;
>> +		assigned-clock-parents = <&k3_clks 366 4>;
>> +	};
>> +
>> +	watchdog33: watchdog at 2550000 {
>> +		status = "disabled";
>> +		compatible = "ti,j7-rti-wdt";
>> +		reg = <0x00 0x2550000 0x00 0x100>;
>> +		clocks = <&k3_clks 366 1>;
>> +		power-domains = <&k3_pds 366 TI_SCI_PD_EXCLUSIVE>;
>> +		assigned-clocks = <&k3_clks 366 0>;
>> +		assigned-clock-parents = <&k3_clks 366 4>;
>> +	};
>>   };
>> -- 
>> 2.17.1
>>
> 



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