| Message ID | 20230311105850.21811-3-nm@ti.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | arm64: dts: ti: k3-am62: Add watchdog and rtc nodes | expand |
On March 11, 2023 thus sayeth Nishanth Menon: > From: Julien Panis <jpanis@baylibre.com> > > Add nodes for watchdogs : > - 5 in main domain > - 1 in MCU domain > - 1 in wakeup domain > > Signed-off-by: Julien Panis <jpanis@baylibre.com> > Signed-off-by: Nishanth Menon <nm@ti.com> > --- > Changes since V3: > - Dropped the board level wdt reservation, do that with overlays based on > modifiable firmware dependencies. > > V3: https://lore.kernel.org/all/20221109093026.103790-2-jpanis@baylibre.com/ > > arch/arm64/boot/dts/ti/k3-am62-main.dtsi | 45 ++++++++++++++++++++++ > arch/arm64/boot/dts/ti/k3-am62-mcu.dtsi | 9 +++++ > arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi | 11 ++++++ > 3 files changed, 65 insertions(+) > > diff --git a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi > index ea683fd77d6a..90d5f145de4f 100644 > --- a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi > +++ b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi > @@ -758,6 +758,51 @@ main_mcan0: can@20701000 { > status = "disabled"; > }; > > + main_rti0: watchdog@e000000 { > + compatible = "ti,j7-rti-wdt"; > + reg = <0x00 0x0e000000 0x00 0x100>; > + clocks = <&k3_clks 125 0>; > + power-domains = <&k3_pds 125 TI_SCI_PD_EXCLUSIVE>; > + assigned-clocks = <&k3_clks 125 0>; > + assigned-clock-parents = <&k3_clks 125 2>; > + }; > + > + main_rti1: watchdog@e010000 { > + compatible = "ti,j7-rti-wdt"; > + reg = <0x00 0x0e010000 0x00 0x100>; > + clocks = <&k3_clks 126 0>; > + power-domains = <&k3_pds 126 TI_SCI_PD_EXCLUSIVE>; > + assigned-clocks = <&k3_clks 126 0>; > + assigned-clock-parents = <&k3_clks 126 2>; > + }; > + > + main_rti2: watchdog@e020000 { > + compatible = "ti,j7-rti-wdt"; > + reg = <0x00 0x0e020000 0x00 0x100>; > + clocks = <&k3_clks 127 0>; > + power-domains = <&k3_pds 127 TI_SCI_PD_EXCLUSIVE>; > + assigned-clocks = <&k3_clks 127 0>; > + assigned-clock-parents = <&k3_clks 127 2>; > + }; > + > + main_rti3: watchdog@e030000 { > + compatible = "ti,j7-rti-wdt"; > + reg = <0x00 0x0e030000 0x00 0x100>; > + clocks = <&k3_clks 128 0>; > + power-domains = <&k3_pds 128 TI_SCI_PD_EXCLUSIVE>; > + assigned-clocks = <&k3_clks 128 0>; > + assigned-clock-parents = <&k3_clks 128 2>; > + }; > + > + main_rti4: watchdog@e0f0000 { > + compatible = "ti,j7-rti-wdt"; > + reg = <0x00 0x0e0f0000 0x00 0x100>; > + clocks = <&k3_clks 130 0>; > + power-domains = <&k3_pds 130 TI_SCI_PD_EXCLUSIVE>; > + assigned-clocks = <&k3_clks 130 0>; > + assigned-clock-parents = <&k3_clks 130 2>; > + }; > + This may be a dumb question, though the ti-sci and TRM documentation is labeling this as rti15? idk if we should label this the same? it might make grepping a little easier :) ~Bryan
On 10:36-20230320, Bryan Brattlof wrote: > > + main_rti4: watchdog@e0f0000 { > > + compatible = "ti,j7-rti-wdt"; > > + reg = <0x00 0x0e0f0000 0x00 0x100>; > > + clocks = <&k3_clks 130 0>; > > + power-domains = <&k3_pds 130 TI_SCI_PD_EXCLUSIVE>; > > + assigned-clocks = <&k3_clks 130 0>; > > + assigned-clock-parents = <&k3_clks 130 2>; > > + }; > > + > > This may be a dumb question, though the ti-sci and TRM documentation is > labeling this as rti15? idk if we should label this the same? it might > make grepping a little easier :) Sure, will fix.
diff --git a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi index ea683fd77d6a..90d5f145de4f 100644 --- a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi @@ -758,6 +758,51 @@ main_mcan0: can@20701000 { status = "disabled"; }; + main_rti0: watchdog@e000000 { + compatible = "ti,j7-rti-wdt"; + reg = <0x00 0x0e000000 0x00 0x100>; + clocks = <&k3_clks 125 0>; + power-domains = <&k3_pds 125 TI_SCI_PD_EXCLUSIVE>; + assigned-clocks = <&k3_clks 125 0>; + assigned-clock-parents = <&k3_clks 125 2>; + }; + + main_rti1: watchdog@e010000 { + compatible = "ti,j7-rti-wdt"; + reg = <0x00 0x0e010000 0x00 0x100>; + clocks = <&k3_clks 126 0>; + power-domains = <&k3_pds 126 TI_SCI_PD_EXCLUSIVE>; + assigned-clocks = <&k3_clks 126 0>; + assigned-clock-parents = <&k3_clks 126 2>; + }; + + main_rti2: watchdog@e020000 { + compatible = "ti,j7-rti-wdt"; + reg = <0x00 0x0e020000 0x00 0x100>; + clocks = <&k3_clks 127 0>; + power-domains = <&k3_pds 127 TI_SCI_PD_EXCLUSIVE>; + assigned-clocks = <&k3_clks 127 0>; + assigned-clock-parents = <&k3_clks 127 2>; + }; + + main_rti3: watchdog@e030000 { + compatible = "ti,j7-rti-wdt"; + reg = <0x00 0x0e030000 0x00 0x100>; + clocks = <&k3_clks 128 0>; + power-domains = <&k3_pds 128 TI_SCI_PD_EXCLUSIVE>; + assigned-clocks = <&k3_clks 128 0>; + assigned-clock-parents = <&k3_clks 128 2>; + }; + + main_rti4: watchdog@e0f0000 { + compatible = "ti,j7-rti-wdt"; + reg = <0x00 0x0e0f0000 0x00 0x100>; + clocks = <&k3_clks 130 0>; + power-domains = <&k3_pds 130 TI_SCI_PD_EXCLUSIVE>; + assigned-clocks = <&k3_clks 130 0>; + assigned-clock-parents = <&k3_clks 130 2>; + }; + epwm0: pwm@23000000 { compatible = "ti,am64-epwm", "ti,am3352-ehrpwm"; #pwm-cells = <3>; diff --git a/arch/arm64/boot/dts/ti/k3-am62-mcu.dtsi b/arch/arm64/boot/dts/ti/k3-am62-mcu.dtsi index a427231527c3..bec118921c4c 100644 --- a/arch/arm64/boot/dts/ti/k3-am62-mcu.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62-mcu.dtsi @@ -130,4 +130,13 @@ mcu_gpio0: gpio@4201000 { clocks = <&k3_clks 79 0>; clock-names = "gpio"; }; + + mcu_rti0: watchdog@4880000 { + compatible = "ti,j7-rti-wdt"; + reg = <0x00 0x04880000 0x00 0x100>; + clocks = <&k3_clks 131 0>; + power-domains = <&k3_pds 131 TI_SCI_PD_EXCLUSIVE>; + assigned-clocks = <&k3_clks 131 0>; + assigned-clock-parents = <&k3_clks 131 2>; + }; }; diff --git a/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi index fec81546fbbd..7726ebae2539 100644 --- a/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi @@ -50,4 +50,15 @@ wkup_rtc0: rtc@2b1f0000 { power-domains = <&k3_pds 117 TI_SCI_PD_EXCLUSIVE>; wakeup-source; }; + + wkup_rti0: watchdog@2b000000 { + compatible = "ti,j7-rti-wdt"; + reg = <0x00 0x2b000000 0x00 0x100>; + clocks = <&k3_clks 132 0>; + power-domains = <&k3_pds 132 TI_SCI_PD_EXCLUSIVE>; + assigned-clocks = <&k3_clks 132 0>; + assigned-clock-parents = <&k3_clks 132 2>; + /* Used by DM firmware */ + status = "reserved"; + }; };