| Message ID | 789827a988a4ca6b418edb55e205918812564fd9.1631945876.git.jan.kiszka@siemens.com |
|---|---|
| State | Deferred |
| Delegated to: | Tom Rini |
| Headers | show |
| Series | Add SIMATIC IOT2050 board support | expand |
On Sat, Sep 18, 2021 at 08:17:54AM +0200, Jan Kiszka wrote: > From: Jan Kiszka <jan.kiszka@siemens.com> > > Add the DT entry for a watchdog based on RTI1. It requires additional > firmware on the MCU R5F cores to handle the expiry, e.g. > https://github.com/siemens/k3-rti-wdt. As this firmware will also lock > the power domain to protect it against premature shutdown, mark it > shared. > > Aligns us to the kernel's DT in this regard. > > Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> > --- > arch/arm/dts/k3-am65-mcu.dtsi | 9 +++++++++ > 1 file changed, 9 insertions(+) > > diff --git a/arch/arm/dts/k3-am65-mcu.dtsi b/arch/arm/dts/k3-am65-mcu.dtsi > index 7454c8cec0..903796bf7d 100644 > --- a/arch/arm/dts/k3-am65-mcu.dtsi > +++ b/arch/arm/dts/k3-am65-mcu.dtsi > @@ -308,4 +308,13 @@ > ti,loczrama = <1>; > }; > }; > + > + mcu_rti1: rti@40610000 { > + compatible = "ti,j7-rti-wdt"; > + reg = <0x0 0x40610000 0x0 0x100>; > + clocks = <&k3_clks 135 0>; > + power-domains = <&k3_pds 135 TI_SCI_PD_SHARED>; > + assigned-clocks = <&k3_clks 135 0>; > + assigned-clock-parents = <&k3_clks 135 4>; > + }; > }; So, in applying https://patchwork.ozlabs.org/project/uboot/patch/20210910213743.30793-1-trini@konsulko.com/ to bring us fully to v5.14 for K3 platforms, this patch is no longer needed, and I'm deferring it. The only difference is the node name is "watchdog@40610000" not "rti@40610000" but should not matter (and doesn't look to from a quick read of the rest of the series.
On 03.10.21 20:40, Tom Rini wrote: > On Sat, Sep 18, 2021 at 08:17:54AM +0200, Jan Kiszka wrote: > >> From: Jan Kiszka <jan.kiszka@siemens.com> >> >> Add the DT entry for a watchdog based on RTI1. It requires additional >> firmware on the MCU R5F cores to handle the expiry, e.g. >> https://github.com/siemens/k3-rti-wdt. As this firmware will also lock >> the power domain to protect it against premature shutdown, mark it >> shared. >> >> Aligns us to the kernel's DT in this regard. >> >> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> >> --- >> arch/arm/dts/k3-am65-mcu.dtsi | 9 +++++++++ >> 1 file changed, 9 insertions(+) >> >> diff --git a/arch/arm/dts/k3-am65-mcu.dtsi b/arch/arm/dts/k3-am65-mcu.dtsi >> index 7454c8cec0..903796bf7d 100644 >> --- a/arch/arm/dts/k3-am65-mcu.dtsi >> +++ b/arch/arm/dts/k3-am65-mcu.dtsi >> @@ -308,4 +308,13 @@ >> ti,loczrama = <1>; >> }; >> }; >> + >> + mcu_rti1: rti@40610000 { >> + compatible = "ti,j7-rti-wdt"; >> + reg = <0x0 0x40610000 0x0 0x100>; >> + clocks = <&k3_clks 135 0>; >> + power-domains = <&k3_pds 135 TI_SCI_PD_SHARED>; >> + assigned-clocks = <&k3_clks 135 0>; >> + assigned-clock-parents = <&k3_clks 135 4>; >> + }; >> }; > > So, in applying > https://patchwork.ozlabs.org/project/uboot/patch/20210910213743.30793-1-trini@konsulko.com/ > to bring us fully to v5.14 for K3 platforms, this patch is no longer > needed, and I'm deferring it. The only difference is the node name is > "watchdog@40610000" not "rti@40610000" but should not matter (and > doesn't look to from a quick read of the rest of the series. > Ack, this is now obsolete. Jan
diff --git a/arch/arm/dts/k3-am65-mcu.dtsi b/arch/arm/dts/k3-am65-mcu.dtsi index 7454c8cec0..903796bf7d 100644 --- a/arch/arm/dts/k3-am65-mcu.dtsi +++ b/arch/arm/dts/k3-am65-mcu.dtsi @@ -308,4 +308,13 @@ ti,loczrama = <1>; }; }; + + mcu_rti1: rti@40610000 { + compatible = "ti,j7-rti-wdt"; + reg = <0x0 0x40610000 0x0 0x100>; + clocks = <&k3_clks 135 0>; + power-domains = <&k3_pds 135 TI_SCI_PD_SHARED>; + assigned-clocks = <&k3_clks 135 0>; + assigned-clock-parents = <&k3_clks 135 4>; + }; };