On Mon, 31 May 2021, Robert Marko wrote: > Add binding documents for the Delta TN48M CPLD drivers. > > Signed-off-by: Robert Marko <robert.marko@xxxxxxxxxx> > --- > Changes in v3: > * Include bindings for reset driver > > Changes in v2: > * Implement MFD as a simple I2C MFD > * Add GPIO bindings as separate > > .../bindings/gpio/delta,tn48m-gpio.yaml | 42 +++++++++ > .../bindings/mfd/delta,tn48m-cpld.yaml | 90 +++++++++++++++++++ > .../bindings/reset/delta,tn48m-reset.yaml | 35 ++++++++ > 3 files changed, 167 insertions(+) > create mode 100644 Documentation/devicetree/bindings/gpio/delta,tn48m-gpio.yaml > create mode 100644 Documentation/devicetree/bindings/mfd/delta,tn48m-cpld.yaml > create mode 100644 Documentation/devicetree/bindings/reset/delta,tn48m-reset.yaml > +++ b/Documentation/devicetree/bindings/mfd/delta,tn48m-cpld.yaml > @@ -0,0 +1,90 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/mfd/delta,tn48m-cpld.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Delta Networks TN48M CPLD controller > + > +maintainers: > + - Robert Marko <robert.marko@xxxxxxxxxx> > + > +description: | > + Lattice CPLD onboard the TN48M switches is used for system > + management. > + > + It provides information about the hardware model, revision, > + PSU status etc. > + > + It is also being used as a GPIO expander for the SFP slots and > + reset controller for the switch MAC-s and other peripherals. > + > +properties: > + compatible: > + const: delta,tn48m-cpld > + > + reg: > + description: > + I2C device address. > + maxItems: 1 > + > + "#address-cells": > + const: 1 > + > + "#size-cells": > + const: 0 > + > +required: > + - compatible > + - reg > + - "#address-cells" > + - "#size-cells" > + > +patternProperties: > + "^gpio(@[0-9a-f]+)?$": > + $ref: ../gpio/delta,tn48m-gpio.yaml > + > + "^reset-controller?$": > + $ref: ../reset/delta,tn48m-reset.yaml > + > +additionalProperties: false > + > +examples: > + - | > + i2c { > + #address-cells = <1>; > + #size-cells = <0>; > + > + cpld@41 { > + compatible = "delta,tn48m-cpld"; > + reg = <0x41>; > + #address-cells = <1>; > + #size-cells = <0>; > + > + gpio@31 { > + compatible = "delta,tn48m-gpio-sfp-tx-disable"; > + reg = <0x31>; > + gpio-controller; > + #gpio-cells = <2>; > + }; > + > + gpio@3a { > + compatible = "delta,tn48m-gpio-sfp-present"; > + reg = <0x3a>; > + gpio-controller; > + #gpio-cells = <2>; > + }; > + > + gpio@40 { > + compatible = "delta,tn48m-gpio-sfp-los"; > + reg = <0x40>; > + gpio-controller; > + #gpio-cells = <2>; > + }; > + > + reset-controller { > + compatible = "delta,tn48m-reset"; > + #reset-cells = <1>; > + }; How is the Reset component addressed? > + }; > + }; -- Lee Jones [李琼斯] Senior Technical Lead - Developer Services Linaro.org │ Open source software for Arm SoCs Follow Linaro: Facebook | Twitter | Blog
