[PATCH 3/5] m68k: dts: add watchdog node
Stefan Roese
sr at denx.de
Tue Jul 18 16:27:12 CEST 2023
Hi Angelo,
On 7/18/23 15:58, Angelo Dureghello wrote:
> Hi Stefan,
>
> On 18/07/23 2:26 PM, Stefan Roese wrote:
>> On 6/25/23 21:35, Angelo Dureghello wrote:
>>> Add watchdog node for the implemented mcf_wdt driver.
>>>
>>> Signed-off-by: Angelo Dureghello <angelo at kernel-space.org>
>>> ---
>>> arch/m68k/dts/M5208EVBE.dts | 5 +++++
>>> arch/m68k/dts/mcf5208.dtsi | 7 +++++++
>>> arch/m68k/dts/mcf523x.dtsi | 7 +++++++
>>> arch/m68k/dts/mcf5271.dtsi | 7 +++++++
>>> arch/m68k/dts/mcf5275.dtsi | 7 +++++++
>>> arch/m68k/dts/mcf5282.dtsi | 7 +++++++
>>> arch/m68k/dts/mcf5329.dtsi | 7 +++++++
>>> arch/m68k/dts/mcf537x.dtsi | 7 +++++++
>>> 8 files changed, 54 insertions(+)
>>>
>>> diff --git a/arch/m68k/dts/M5208EVBE.dts b/arch/m68k/dts/M5208EVBE.dts
>>> index 1c32718af4..ec203e8b69 100644
>>> --- a/arch/m68k/dts/M5208EVBE.dts
>>> +++ b/arch/m68k/dts/M5208EVBE.dts
>>> @@ -15,6 +15,11 @@
>>> };
>>> };
>>> +&wdog0 {
>>> + timeout-sec = <32>;
>>> + status = "okay";
>>> +};
>>> +
>>> &uart0 {
>>> bootph-all;
>>> status = "okay";
>>> diff --git a/arch/m68k/dts/mcf5208.dtsi b/arch/m68k/dts/mcf5208.dtsi
>>> index 9392facfa8..b06dc4bb26 100644
>>> --- a/arch/m68k/dts/mcf5208.dtsi
>>> +++ b/arch/m68k/dts/mcf5208.dtsi
>>> @@ -16,6 +16,13 @@
>>> #address-cells = <1>;
>>> #size-cells = <1>;
>>> + wdog0: watchdog at fc08c000 {
>>> + compatible = "fsl,mcf5208-wdt";
>>> + reg = <0xfc08c000 0x10>;
>>> + big-endian;
>>> + status = "disabled";
>>> + };
>>
>> I was not able to find this compatible property in the Linux Kernel
>> source tree. Is this the official version of the Coldfire WDT DT node?
>> Just checking..
>>
>
> there is no fdt support for m68k in Linux, after discussing the need in
> u-boot, i implemented fdt here the best i could.
Ok, I see. BTW: Is "big-endian" necessary here?
Thanks,
Stefan
>> Thanks,
>> Stefan
>>
>>> +
>>> uart0: uart at fc060000 {
>>> compatible = "fsl,mcf-uart";
>>> reg = <0xfc060000 0x40>;
>>> diff --git a/arch/m68k/dts/mcf523x.dtsi b/arch/m68k/dts/mcf523x.dtsi
>>> index 41c7b9b2d1..fb5a4cdc21 100644
>>> --- a/arch/m68k/dts/mcf523x.dtsi
>>> +++ b/arch/m68k/dts/mcf523x.dtsi
>>> @@ -23,6 +23,13 @@
>>> ranges = <0x00000000 0x40000000 0x40000000>;
>>> reg = <0x40000000 0x40000000>;
>>> + wdog0: watchdog at 140000 {
>>> + compatible = "fsl,mcf5208-wdt";
>>> + reg = <0x140000 0x10>;
>>> + big-endian;
>>> + status = "disabled";
>>> + };
>>> +
>>> uart0: uart at 200 {
>>> compatible = "fsl,mcf-uart";
>>> reg = <0x200 0x40>;
>>> diff --git a/arch/m68k/dts/mcf5271.dtsi b/arch/m68k/dts/mcf5271.dtsi
>>> index fc82bd3c24..0884c13ab1 100644
>>> --- a/arch/m68k/dts/mcf5271.dtsi
>>> +++ b/arch/m68k/dts/mcf5271.dtsi
>>> @@ -23,6 +23,13 @@
>>> ranges = <0x00000000 0x40000000 0x40000000>;
>>> reg = <0x40000000 0x40000000>;
>>> + wdog0: watchdog at 140000 {
>>> + compatible = "fsl,mcf5208-wdt";
>>> + reg = <0x140000 0x10>;
>>> + big-endian;
>>> + status = "disabled";
>>> + };
>>> +
>>> uart0: uart at 200 {
>>> compatible = "fsl,mcf-uart";
>>> reg = <0x200 0x40>;
>>> diff --git a/arch/m68k/dts/mcf5275.dtsi b/arch/m68k/dts/mcf5275.dtsi
>>> index 402517cdec..78210569da 100644
>>> --- a/arch/m68k/dts/mcf5275.dtsi
>>> +++ b/arch/m68k/dts/mcf5275.dtsi
>>> @@ -24,6 +24,13 @@
>>> ranges = <0x00000000 0x40000000 0x40000000>;
>>> reg = <0x40000000 0x40000000>;
>>> + wdog0: watchdog at 140000 {
>>> + compatible = "fsl,mcf5208-wdt";
>>> + reg = <0x140000 0x10>;
>>> + big-endian;
>>> + status = "disabled";
>>> + };
>>> +
>>> uart0: uart at 200 {
>>> compatible = "fsl,mcf-uart";
>>> reg = <0x200 0x40>;
>>> diff --git a/arch/m68k/dts/mcf5282.dtsi b/arch/m68k/dts/mcf5282.dtsi
>>> index 883c0d0324..40704c5202 100644
>>> --- a/arch/m68k/dts/mcf5282.dtsi
>>> +++ b/arch/m68k/dts/mcf5282.dtsi
>>> @@ -23,6 +23,13 @@
>>> ranges = <0x00000000 0x40000000 0x40000000>;
>>> reg = <0x40000000 0x40000000>;
>>> + wdog0: watchdog at 140000 {
>>> + compatible = "fsl,mcf5282-wdt";
>>> + reg = <0x140000 0x10>;
>>> + big-endian;
>>> + status = "disabled";
>>> + };
>>> +
>>> uart0: uart at 200 {
>>> compatible = "fsl,mcf-uart";
>>> reg = <0x200 0x40>;
>>> diff --git a/arch/m68k/dts/mcf5329.dtsi b/arch/m68k/dts/mcf5329.dtsi
>>> index 7501cc4b01..50ff73bca7 100644
>>> --- a/arch/m68k/dts/mcf5329.dtsi
>>> +++ b/arch/m68k/dts/mcf5329.dtsi
>>> @@ -16,6 +16,13 @@
>>> #address-cells = <1>;
>>> #size-cells = <1>;
>>> + wdog0: watchdog at fc098000 {
>>> + compatible = "fsl,mcf5208-wdt";
>>> + reg = <0xfc08c000 0x10>;
>>> + big-endian;
>>> + status = "disabled";
>>> + };
>>> +
>>> uart0: uart at fc060000 {
>>> compatible = "fsl,mcf-uart";
>>> reg = <0xfc060000 0x40>;
>>> diff --git a/arch/m68k/dts/mcf537x.dtsi b/arch/m68k/dts/mcf537x.dtsi
>>> index 338b8b4583..23c3754df0 100644
>>> --- a/arch/m68k/dts/mcf537x.dtsi
>>> +++ b/arch/m68k/dts/mcf537x.dtsi
>>> @@ -16,6 +16,13 @@
>>> #address-cells = <1>;
>>> #size-cells = <1>;
>>> + wdog0: watchdog at fc098000 {
>>> + compatible = "fsl,mcf5208-wdt";
>>> + reg = <0xfc08c000 0x10>;
>>> + big-endian;
>>> + status = "disabled";
>>> + };
>>> +
>>> uart0: uart at fc060000 {
>>> compatible = "fsl,mcf-uart";
>>> reg = <0xfc060000 0x40>;
>>
>> Viele Grüße,
>> Stefan Roese
>>
>
> Regards,
> angelo
Viele Grüße,
Stefan Roese
--
DENX Software Engineering GmbH, Managing Director: Erika Unter
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-51 Fax: (+49)-8142-66989-80 Email: sr at denx.de
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