Message ID | 20230529062604.1498052-5-claudiu.beznea@microchip.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | dt-bindings: timer: Microchip AT91 convert to YAML | expand |
Hey Claudiu, On Mon, May 29, 2023 at 09:26:04AM +0300, Claudiu Beznea wrote: > Convert Microchip AT91 system timer to YAML. > > Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com> > --- > .../devicetree/bindings/arm/atmel-sysregs.txt | 9 --- > .../bindings/timer/atmel,at91rm9200-st.yaml | 65 +++++++++++++++++++ > 2 files changed, 65 insertions(+), 9 deletions(-) > create mode 100644 Documentation/devicetree/bindings/timer/atmel,at91rm9200-st.yaml > > diff --git a/Documentation/devicetree/bindings/arm/atmel-sysregs.txt b/Documentation/devicetree/bindings/arm/atmel-sysregs.txt > index 54d3f586403e..68c0eacb01ac 100644 > --- a/Documentation/devicetree/bindings/arm/atmel-sysregs.txt > +++ b/Documentation/devicetree/bindings/arm/atmel-sysregs.txt > @@ -4,15 +4,6 @@ Chipid required properties: > - compatible: Should be "atmel,sama5d2-chipid" or "microchip,sama7g5-chipid" > - reg : Should contain registers location and length > > -System Timer (ST) required properties: > -- compatible: Should be "atmel,at91rm9200-st", "syscon", "simple-mfd" > -- reg: Should contain registers location and length > -- interrupts: Should contain interrupt for the ST which is the IRQ line > - shared across all System Controller members. > -- clocks: phandle to input clock. > -Its subnodes can be: > -- watchdog: compatible should be "atmel,at91rm9200-wdt" > - > RAMC SDRAM/DDR Controller required properties: > - compatible: Should be "atmel,at91rm9200-sdramc", "syscon" > "atmel,at91sam9260-sdramc", > diff --git a/Documentation/devicetree/bindings/timer/atmel,at91rm9200-st.yaml b/Documentation/devicetree/bindings/timer/atmel,at91rm9200-st.yaml > new file mode 100644 > index 000000000000..a75644e1a2fe > --- /dev/null > +++ b/Documentation/devicetree/bindings/timer/atmel,at91rm9200-st.yaml > @@ -0,0 +1,65 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/timer/atmel,at91rm9200-st.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Microchip AT91 System Timer (ST) > + > +maintainers: > + - Nicolas Ferre <nicolas.ferre@microchip.com> > + - Alexandre Belloni <alexandre.belloni@microchip.com> Is that a valid email address? > + - Claudiu Beznea <claudiu.beznea@microchip.com> > + > +description: > + Microchip AT91 system timer integrates a period interval timer, a watchdog > + timer and a real-time timer. > + > +properties: > + compatible: > + items: > + - const: atmel,at91rm9200-st > + - const: syscon > + - const: simple-mfd > + > + reg: > + maxItems: 1 > + > + interrupts: > + description: > + Contain interrupt for the ST which is the IRQ line shared across all > + system controller members. I don't think there's really much point having a description when there is only one interrupt, but it cannot do any harm I suppose! Other than the email address question, Reviewed-by: Conor Dooley <conor.dooley@microchip.com> Thanks, Conor. > + maxItems: 1 > + > + clocks: > + maxItems: 1 > + > + watchdog: > + $ref: ../watchdog/atmel,at91rm9200-wdt.yaml > + description: > + Child node describing watchdog. > + > +required: > + - compatible > + - reg > + - interrupts > + - clocks > + > +additionalProperties: false > + > +examples: > + - | > + #include <dt-bindings/interrupt-controller/irq.h> > + > + st: timer@fffffd00 { > + compatible = "atmel,at91rm9200-st", "syscon", "simple-mfd"; > + reg = <0xfffffd00 0x100>; > + interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; > + clocks = <&slow_xtal>; > + > + watchdog { > + compatible = "atmel,at91rm9200-wdt"; > + }; > + }; > + > +... > -- > 2.34.1 >
On 29.05.2023 15:24, Conor Dooley wrote: > Hey Claudiu, > > On Mon, May 29, 2023 at 09:26:04AM +0300, Claudiu Beznea wrote: >> Convert Microchip AT91 system timer to YAML. >> >> Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com> >> --- >> .../devicetree/bindings/arm/atmel-sysregs.txt | 9 --- >> .../bindings/timer/atmel,at91rm9200-st.yaml | 65 +++++++++++++++++++ >> 2 files changed, 65 insertions(+), 9 deletions(-) >> create mode 100644 Documentation/devicetree/bindings/timer/atmel,at91rm9200-st.yaml >> >> diff --git a/Documentation/devicetree/bindings/arm/atmel-sysregs.txt b/Documentation/devicetree/bindings/arm/atmel-sysregs.txt >> index 54d3f586403e..68c0eacb01ac 100644 >> --- a/Documentation/devicetree/bindings/arm/atmel-sysregs.txt >> +++ b/Documentation/devicetree/bindings/arm/atmel-sysregs.txt >> @@ -4,15 +4,6 @@ Chipid required properties: >> - compatible: Should be "atmel,sama5d2-chipid" or "microchip,sama7g5-chipid" >> - reg : Should contain registers location and length >> >> -System Timer (ST) required properties: >> -- compatible: Should be "atmel,at91rm9200-st", "syscon", "simple-mfd" >> -- reg: Should contain registers location and length >> -- interrupts: Should contain interrupt for the ST which is the IRQ line >> - shared across all System Controller members. >> -- clocks: phandle to input clock. >> -Its subnodes can be: >> -- watchdog: compatible should be "atmel,at91rm9200-wdt" >> - >> RAMC SDRAM/DDR Controller required properties: >> - compatible: Should be "atmel,at91rm9200-sdramc", "syscon" >> "atmel,at91sam9260-sdramc", >> diff --git a/Documentation/devicetree/bindings/timer/atmel,at91rm9200-st.yaml b/Documentation/devicetree/bindings/timer/atmel,at91rm9200-st.yaml >> new file mode 100644 >> index 000000000000..a75644e1a2fe >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/timer/atmel,at91rm9200-st.yaml >> @@ -0,0 +1,65 @@ >> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) >> +%YAML 1.2 >> +--- >> +$id: http://devicetree.org/schemas/timer/atmel,at91rm9200-st.yaml# >> +$schema: http://devicetree.org/meta-schemas/core.yaml# >> + >> +title: Microchip AT91 System Timer (ST) >> + >> +maintainers: >> + - Nicolas Ferre <nicolas.ferre@microchip.com> >> + - Alexandre Belloni <alexandre.belloni@microchip.com> > > Is that a valid email address? Indeed, this is wrong, thanks for pointing it. > >> + - Claudiu Beznea <claudiu.beznea@microchip.com> >> + >> +description: >> + Microchip AT91 system timer integrates a period interval timer, a watchdog >> + timer and a real-time timer. >> + >> +properties: >> + compatible: >> + items: >> + - const: atmel,at91rm9200-st >> + - const: syscon >> + - const: simple-mfd >> + >> + reg: >> + maxItems: 1 >> + >> + interrupts: >> + description: >> + Contain interrupt for the ST which is the IRQ line shared across all >> + system controller members. > > I don't think there's really much point having a description when there > is only one interrupt, but it cannot do any harm I suppose! OK. Wanted to emphasize that it may be shared with other devices. I'll remove it. > > Other than the email address question, > Reviewed-by: Conor Dooley <conor.dooley@microchip.com> > > Thanks, > Conor. > >> + maxItems: 1 >> + >> + clocks: >> + maxItems: 1 >> + >> + watchdog: >> + $ref: ../watchdog/atmel,at91rm9200-wdt.yaml >> + description: >> + Child node describing watchdog. >> + >> +required: >> + - compatible >> + - reg >> + - interrupts >> + - clocks >> + >> +additionalProperties: false >> + >> +examples: >> + - | >> + #include <dt-bindings/interrupt-controller/irq.h> >> + >> + st: timer@fffffd00 { >> + compatible = "atmel,at91rm9200-st", "syscon", "simple-mfd"; >> + reg = <0xfffffd00 0x100>; >> + interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; >> + clocks = <&slow_xtal>; >> + >> + watchdog { >> + compatible = "atmel,at91rm9200-wdt"; >> + }; >> + }; >> + >> +... >> -- >> 2.34.1 >>
diff --git a/Documentation/devicetree/bindings/arm/atmel-sysregs.txt b/Documentation/devicetree/bindings/arm/atmel-sysregs.txt index 54d3f586403e..68c0eacb01ac 100644 --- a/Documentation/devicetree/bindings/arm/atmel-sysregs.txt +++ b/Documentation/devicetree/bindings/arm/atmel-sysregs.txt @@ -4,15 +4,6 @@ Chipid required properties: - compatible: Should be "atmel,sama5d2-chipid" or "microchip,sama7g5-chipid" - reg : Should contain registers location and length -System Timer (ST) required properties: -- compatible: Should be "atmel,at91rm9200-st", "syscon", "simple-mfd" -- reg: Should contain registers location and length -- interrupts: Should contain interrupt for the ST which is the IRQ line - shared across all System Controller members. -- clocks: phandle to input clock. -Its subnodes can be: -- watchdog: compatible should be "atmel,at91rm9200-wdt" - RAMC SDRAM/DDR Controller required properties: - compatible: Should be "atmel,at91rm9200-sdramc", "syscon" "atmel,at91sam9260-sdramc", diff --git a/Documentation/devicetree/bindings/timer/atmel,at91rm9200-st.yaml b/Documentation/devicetree/bindings/timer/atmel,at91rm9200-st.yaml new file mode 100644 index 000000000000..a75644e1a2fe --- /dev/null +++ b/Documentation/devicetree/bindings/timer/atmel,at91rm9200-st.yaml @@ -0,0 +1,65 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/timer/atmel,at91rm9200-st.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Microchip AT91 System Timer (ST) + +maintainers: + - Nicolas Ferre <nicolas.ferre@microchip.com> + - Alexandre Belloni <alexandre.belloni@microchip.com> + - Claudiu Beznea <claudiu.beznea@microchip.com> + +description: + Microchip AT91 system timer integrates a period interval timer, a watchdog + timer and a real-time timer. + +properties: + compatible: + items: + - const: atmel,at91rm9200-st + - const: syscon + - const: simple-mfd + + reg: + maxItems: 1 + + interrupts: + description: + Contain interrupt for the ST which is the IRQ line shared across all + system controller members. + maxItems: 1 + + clocks: + maxItems: 1 + + watchdog: + $ref: ../watchdog/atmel,at91rm9200-wdt.yaml + description: + Child node describing watchdog. + +required: + - compatible + - reg + - interrupts + - clocks + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + + st: timer@fffffd00 { + compatible = "atmel,at91rm9200-st", "syscon", "simple-mfd"; + reg = <0xfffffd00 0x100>; + interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + clocks = <&slow_xtal>; + + watchdog { + compatible = "atmel,at91rm9200-wdt"; + }; + }; + +...
Convert Microchip AT91 system timer to YAML. Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com> --- .../devicetree/bindings/arm/atmel-sysregs.txt | 9 --- .../bindings/timer/atmel,at91rm9200-st.yaml | 65 +++++++++++++++++++ 2 files changed, 65 insertions(+), 9 deletions(-) create mode 100644 Documentation/devicetree/bindings/timer/atmel,at91rm9200-st.yaml