Message ID | 20221008063710.12241-2-zhuyinbo@loongson.cn |
---|---|
State | New |
Headers | show |
Series | [v2,1/2] clocksource: loongson2_hpet: add hpet driver support | expand |
On 08/10/2022 08:37, Yinbo Zhu wrote: > Add the loongson2k High Precision Event Timer (HPET) binding > with DT schema format using json-schema. > > Signed-off-by: Yinbo Zhu <zhuyinbo@loongson.cn> > --- > Change in v2: > 1. Drop the "hpet0" label. > 2. Modify the hpet node name to timer. > > .../bindings/timer/loongson,ls2k-hpet.yaml | 41 +++++++++++++++++++ > MAINTAINERS | 1 + > 2 files changed, 42 insertions(+) > create mode 100644 Documentation/devicetree/bindings/timer/loongson,ls2k-hpet.yaml > > diff --git a/Documentation/devicetree/bindings/timer/loongson,ls2k-hpet.yaml b/Documentation/devicetree/bindings/timer/loongson,ls2k-hpet.yaml > new file mode 100644 > index 000000000000..1805f2608de8 > --- /dev/null > +++ b/Documentation/devicetree/bindings/timer/loongson,ls2k-hpet.yaml > @@ -0,0 +1,41 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/timer/loongson,ls2k-hpet.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Loongson2k High Precision Event Timer (HPET) > + > +maintainers: > + - Yinbo Zhu <zhuyinbo@loongson.cn> > + > +properties: > + compatible: > + const: loongson,ls2k-hpet > + > + reg: > + maxItems: 1 > + > + clock-frequency: true What clock? You did not answer to this one... What values can go here? Use Common Clock Framework instead (you did not say that it's not possible, so I assume it's fine). > + > + interrupts: Best regards, Krzysztof
diff --git a/Documentation/devicetree/bindings/timer/loongson,ls2k-hpet.yaml b/Documentation/devicetree/bindings/timer/loongson,ls2k-hpet.yaml new file mode 100644 index 000000000000..1805f2608de8 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/loongson,ls2k-hpet.yaml @@ -0,0 +1,41 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/timer/loongson,ls2k-hpet.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Loongson2k High Precision Event Timer (HPET) + +maintainers: + - Yinbo Zhu <zhuyinbo@loongson.cn> + +properties: + compatible: + const: loongson,ls2k-hpet + + reg: + maxItems: 1 + + clock-frequency: true + + interrupts: + maxItems: 1 + +required: + - compatible + - reg + - clock-frequency + - interrupts + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + timer@1fe24000 { + compatible = "loongson,ls2k-hpet"; + reg = <0x1fe24000 0x15f>; + clock-frequency = <125000000>; + interrupt-parent = <&liointc0>; + interrupts = <21 IRQ_TYPE_LEVEL_LOW>; + }; diff --git a/MAINTAINERS b/MAINTAINERS index c2e8eac61642..a162b6fba6fe 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -11911,6 +11911,7 @@ LOONGSON2 SOC SERIES HPET DRIVER M: Yinbo Zhu <zhuyinbo@loongson.cn> L: linux-kernel@vger.kernel.org S: Maintained +F: Documentation/devicetree/bindings/timer/loongson,ls2k-hpet.yaml F: drivers/clocksource/loongson2_hpet.c LSILOGIC MPT FUSION DRIVERS (FC/SAS/SPI)
Add the loongson2k High Precision Event Timer (HPET) binding with DT schema format using json-schema. Signed-off-by: Yinbo Zhu <zhuyinbo@loongson.cn> --- Change in v2: 1. Drop the "hpet0" label. 2. Modify the hpet node name to timer. .../bindings/timer/loongson,ls2k-hpet.yaml | 41 +++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 42 insertions(+) create mode 100644 Documentation/devicetree/bindings/timer/loongson,ls2k-hpet.yaml