| Message ID | 20210317143803.26127-4-noltari@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | pinctrl: add BCM63XX pincontrol support | expand |
On Wed, Mar 17, 2021 at 03:37:44PM +0100, Álvaro Fernández Rojas wrote: > Convert existing BCM6345 GPIO binding documentation to YAML and add binding > documentation for the GPIO controller found in BCM6318, BCM6328, BCM6358, > BCM6362, BCM6368 and BCM63268 SoCs. > > Co-developed-by: Jonas Gorski <jonas.gorski@gmail.com> > Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com> > Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com> > --- > v8: introduce changes suggested by Rob Herring > v7: new patch, splitted from pinctrl documentation Almost there... > > .../bindings/gpio/brcm,bcm6345-gpio.txt | 46 ----------- > .../bindings/gpio/brcm,bcm6345-gpio.yaml | 78 +++++++++++++++++++ > 2 files changed, 78 insertions(+), 46 deletions(-) > delete mode 100644 Documentation/devicetree/bindings/gpio/brcm,bcm6345-gpio.txt > create mode 100644 Documentation/devicetree/bindings/gpio/brcm,bcm6345-gpio.yaml > > diff --git a/Documentation/devicetree/bindings/gpio/brcm,bcm6345-gpio.txt b/Documentation/devicetree/bindings/gpio/brcm,bcm6345-gpio.txt > deleted file mode 100644 > index e7853143fa42..000000000000 > --- a/Documentation/devicetree/bindings/gpio/brcm,bcm6345-gpio.txt > +++ /dev/null > @@ -1,46 +0,0 @@ > -Bindings for the Broadcom's brcm,bcm6345-gpio memory-mapped GPIO controllers. > - > -These bindings can be used on any BCM63xx SoC. However, BCM6338 and BCM6345 > -are the only ones which don't need a pinctrl driver. > -BCM6338 have 8-bit data and dirout registers, where GPIO state can be read > -and/or written, and the direction changed from input to output. > -BCM6345 have 16-bit data and dirout registers, where GPIO state can be read > -and/or written, and the direction changed from input to output. This detail about the h/w should be kept and extended given the newer chips have 32-bit registers AIUI. > - > -Required properties: > - - compatible: should be "brcm,bcm6345-gpio" > - - reg-names: must contain > - "dat" - data register > - "dirout" - direction (output) register > - - reg: address + size pairs describing the GPIO register sets; > - order must correspond with the order of entries in reg-names > - - #gpio-cells: must be set to 2. The first cell is the pin number and > - the second cell is used to specify the gpio polarity: > - 0 = active high > - 1 = active low > - - gpio-controller: Marks the device node as a gpio controller. > - > -Optional properties: > - - native-endian: use native endian memory. > - > -Examples: > - - BCM6338: > - gpio: gpio-controller@fffe0407 { > - compatible = "brcm,bcm6345-gpio"; > - reg-names = "dirout", "dat"; > - reg = <0xfffe0407 1>, <0xfffe040f 1>; > - > - #gpio-cells = <2>; > - gpio-controller; > - }; > - > - - BCM6345: > - gpio: gpio-controller@fffe0406 { > - compatible = "brcm,bcm6345-gpio"; > - reg-names = "dirout", "dat"; > - reg = <0xfffe0406 2>, <0xfffe040a 2>; > - native-endian; > - > - #gpio-cells = <2>; > - gpio-controller; > - }; > diff --git a/Documentation/devicetree/bindings/gpio/brcm,bcm6345-gpio.yaml b/Documentation/devicetree/bindings/gpio/brcm,bcm6345-gpio.yaml > new file mode 100644 > index 000000000000..d1d34a347a1f > --- /dev/null > +++ b/Documentation/devicetree/bindings/gpio/brcm,bcm6345-gpio.yaml > @@ -0,0 +1,78 @@ > +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/gpio/brcm,bcm6345-gpio.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Broadcom BCM6345 GPIO controller > + > +maintainers: > + - Álvaro Fernández Rojas <noltari@gmail.com> > + - Jonas Gorski <jonas.gorski@gmail.com> > + > +description: |+ > + Bindings for Broadcom's BCM63xx memory-mapped GPIO controllers. > + > + These bindings can be used on any BCM63xx SoC. However, BCM6338 and BCM6345 > + are the only ones which don't need a pinctrl driver. > + > +properties: > + compatible: > + enum: > + - brcm,bcm6318-gpio > + - brcm,bcm6328-gpio > + - brcm,bcm6345-gpio > + - brcm,bcm6358-gpio > + - brcm,bcm6362-gpio > + - brcm,bcm6368-gpio > + - brcm,bcm63268-gpio > + > + gpio-controller: true > + > + "#gpio-cells": > + const: 2 > + > + gpio-ranges: > + maxItems: 1 > + > + native-endian: true > + > + reg: > + maxItems: 2 > + > + reg-names: > + items: > + - const: dirout > + - const: dat > + > +required: > + - compatible > + - reg > + - reg-names > + - gpio-controller > + - '#gpio-cells' > + > +additionalProperties: false > + > +examples: > + - | > + gpio-controller@fffe0406 { gpio@... > + compatible = "brcm,bcm6345-gpio"; > + reg-names = "dirout", "dat"; > + reg = <0xfffe0406 2>, <0xfffe040a 2>; > + native-endian; > + > + gpio-controller; > + #gpio-cells = <2>; > + }; > + > + - | > + gpio@0 { > + compatible = "brcm,bcm63268-gpio"; > + reg-names = "dirout", "dat"; > + reg = <0x0 0x8>, <0x8 0x8>; > + > + gpio-controller; > + gpio-ranges = <&pinctrl 0 0 52>; > + #gpio-cells = <2>; > + }; > -- > 2.20.1 >
diff --git a/Documentation/devicetree/bindings/gpio/brcm,bcm6345-gpio.txt b/Documentation/devicetree/bindings/gpio/brcm,bcm6345-gpio.txt deleted file mode 100644 index e7853143fa42..000000000000 --- a/Documentation/devicetree/bindings/gpio/brcm,bcm6345-gpio.txt +++ /dev/null @@ -1,46 +0,0 @@ -Bindings for the Broadcom's brcm,bcm6345-gpio memory-mapped GPIO controllers. - -These bindings can be used on any BCM63xx SoC. However, BCM6338 and BCM6345 -are the only ones which don't need a pinctrl driver. -BCM6338 have 8-bit data and dirout registers, where GPIO state can be read -and/or written, and the direction changed from input to output. -BCM6345 have 16-bit data and dirout registers, where GPIO state can be read -and/or written, and the direction changed from input to output. - -Required properties: - - compatible: should be "brcm,bcm6345-gpio" - - reg-names: must contain - "dat" - data register - "dirout" - direction (output) register - - reg: address + size pairs describing the GPIO register sets; - order must correspond with the order of entries in reg-names - - #gpio-cells: must be set to 2. The first cell is the pin number and - the second cell is used to specify the gpio polarity: - 0 = active high - 1 = active low - - gpio-controller: Marks the device node as a gpio controller. - -Optional properties: - - native-endian: use native endian memory. - -Examples: - - BCM6338: - gpio: gpio-controller@fffe0407 { - compatible = "brcm,bcm6345-gpio"; - reg-names = "dirout", "dat"; - reg = <0xfffe0407 1>, <0xfffe040f 1>; - - #gpio-cells = <2>; - gpio-controller; - }; - - - BCM6345: - gpio: gpio-controller@fffe0406 { - compatible = "brcm,bcm6345-gpio"; - reg-names = "dirout", "dat"; - reg = <0xfffe0406 2>, <0xfffe040a 2>; - native-endian; - - #gpio-cells = <2>; - gpio-controller; - }; diff --git a/Documentation/devicetree/bindings/gpio/brcm,bcm6345-gpio.yaml b/Documentation/devicetree/bindings/gpio/brcm,bcm6345-gpio.yaml new file mode 100644 index 000000000000..d1d34a347a1f --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/brcm,bcm6345-gpio.yaml @@ -0,0 +1,78 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/brcm,bcm6345-gpio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Broadcom BCM6345 GPIO controller + +maintainers: + - Álvaro Fernández Rojas <noltari@gmail.com> + - Jonas Gorski <jonas.gorski@gmail.com> + +description: |+ + Bindings for Broadcom's BCM63xx memory-mapped GPIO controllers. + + These bindings can be used on any BCM63xx SoC. However, BCM6338 and BCM6345 + are the only ones which don't need a pinctrl driver. + +properties: + compatible: + enum: + - brcm,bcm6318-gpio + - brcm,bcm6328-gpio + - brcm,bcm6345-gpio + - brcm,bcm6358-gpio + - brcm,bcm6362-gpio + - brcm,bcm6368-gpio + - brcm,bcm63268-gpio + + gpio-controller: true + + "#gpio-cells": + const: 2 + + gpio-ranges: + maxItems: 1 + + native-endian: true + + reg: + maxItems: 2 + + reg-names: + items: + - const: dirout + - const: dat + +required: + - compatible + - reg + - reg-names + - gpio-controller + - '#gpio-cells' + +additionalProperties: false + +examples: + - | + gpio-controller@fffe0406 { + compatible = "brcm,bcm6345-gpio"; + reg-names = "dirout", "dat"; + reg = <0xfffe0406 2>, <0xfffe040a 2>; + native-endian; + + gpio-controller; + #gpio-cells = <2>; + }; + + - | + gpio@0 { + compatible = "brcm,bcm63268-gpio"; + reg-names = "dirout", "dat"; + reg = <0x0 0x8>, <0x8 0x8>; + + gpio-controller; + gpio-ranges = <&pinctrl 0 0 52>; + #gpio-cells = <2>; + };