On Wed, 12 Jan 2022 at 23:04, Iwona Winiarska <iwona.winiarska@xxxxxxxxx> wrote: > > Add device tree bindings for the peci-aspeed controller driver. > > Co-developed-by: Jae Hyun Yoo <jae.hyun.yoo@xxxxxxxxxxxxxxx> > Signed-off-by: Jae Hyun Yoo <jae.hyun.yoo@xxxxxxxxxxxxxxx> > Signed-off-by: Iwona Winiarska <iwona.winiarska@xxxxxxxxx> Reviewed-by: Joel Stanley <joel@xxxxxxxxx> > --- > .../devicetree/bindings/peci/peci-aspeed.yaml | 72 +++++++++++++++++++ > 1 file changed, 72 insertions(+) > create mode 100644 Documentation/devicetree/bindings/peci/peci-aspeed.yaml > > diff --git a/Documentation/devicetree/bindings/peci/peci-aspeed.yaml b/Documentation/devicetree/bindings/peci/peci-aspeed.yaml > new file mode 100644 > index 000000000000..1e68a801a92a > --- /dev/null > +++ b/Documentation/devicetree/bindings/peci/peci-aspeed.yaml > @@ -0,0 +1,72 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/peci/peci-aspeed.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Aspeed PECI Bus Device Tree Bindings > + > +maintainers: > + - Iwona Winiarska <iwona.winiarska@xxxxxxxxx> > + - Jae Hyun Yoo <jae.hyun.yoo@xxxxxxxxxxxxxxx> > + > +allOf: > + - $ref: peci-controller.yaml# > + > +properties: > + compatible: > + enum: > + - aspeed,ast2400-peci > + - aspeed,ast2500-peci > + - aspeed,ast2600-peci > + > + reg: > + maxItems: 1 > + > + interrupts: > + maxItems: 1 > + > + clocks: > + description: > + Clock source for PECI controller. Should reference the external > + oscillator clock. > + maxItems: 1 > + > + resets: > + maxItems: 1 > + > + cmd-timeout-ms: > + minimum: 1 > + maximum: 1000 > + default: 1000 > + > + clock-frequency: > + description: > + The desired operation frequency of PECI controller in Hz. > + minimum: 2000 > + maximum: 2000000 > + default: 1000000 > + > +required: > + - compatible > + - reg > + - interrupts > + - clocks > + - resets > + > +additionalProperties: false > + > +examples: > + - | > + #include <dt-bindings/interrupt-controller/arm-gic.h> > + #include <dt-bindings/clock/ast2600-clock.h> > + peci-controller@1e78b000 { > + compatible = "aspeed,ast2600-peci"; > + reg = <0x1e78b000 0x100>; > + interrupts = <GIC_SPI 38 IRQ_TYPE_LEVEL_HIGH>; > + clocks = <&syscon ASPEED_CLK_GATE_REF0CLK>; > + resets = <&syscon ASPEED_RESET_PECI>; > + cmd-timeout-ms = <1000>; > + clock-frequency = <1000000>; > + }; > +... > -- > 2.31.1 >
