| Message ID | 20211224200935.93817-2-j.neuschaefer@gmx.net |
|---|---|
| State | New |
| Headers | show |
| Series | Nuvoton WPCM450 pinctrl and GPIO driver | expand |
On Fri, Dec 24, 2021 at 09:09:27PM +0100, Jonathan Neuschäfer wrote: > A nuvoton,*-gcr node is present in nuvoton-common-npcm7xx.dtsi and will > be added to nuvoton-wpcm450.dtsi. It is necessary for the NPCM7xx and > WPCM450 pinctrl drivers, and may later be used to retrieve SoC model and > version information. > > This patch adds a binding to describe this node. > > Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> > > --- > v3: > - Make a few changes suggested by Rob Herring > - Change name of mux-controller node to appease the linter > > v2: > - https://lore.kernel.org/lkml/20211207210823.1975632-2-j.neuschaefer@gmx.net/ > - Rename node in example to syscon@800000 > - Add subnode to example > > v1: > - https://lore.kernel.org/lkml/20210602120329.2444672-2-j.neuschaefer@gmx.net/ > --- > .../bindings/arm/npcm/nuvoton,gcr.yaml | 48 +++++++++++++++++++ > 1 file changed, 48 insertions(+) > create mode 100644 Documentation/devicetree/bindings/arm/npcm/nuvoton,gcr.yaml Reviewed-by: Rob Herring <robh@kernel.org>
diff --git a/Documentation/devicetree/bindings/arm/npcm/nuvoton,gcr.yaml b/Documentation/devicetree/bindings/arm/npcm/nuvoton,gcr.yaml new file mode 100644 index 0000000000000..fcb211add7d37 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/npcm/nuvoton,gcr.yaml @@ -0,0 +1,48 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/arm/npcm/nuvoton,gcr.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Global Control Registers block in Nuvoton SoCs + +maintainers: + - Jonathan Neuschäfer <j.neuschaefer@gmx.net> + +description: + The Global Control Registers (GCR) are a block of registers in Nuvoton SoCs + that expose misc functionality such as chip model and version information or + pinmux settings. + +properties: + compatible: + items: + - enum: + - nuvoton,wpcm450-gcr + - nuvoton,npcm750-gcr + - const: syscon + - const: simple-mfd + + reg: + maxItems: 1 + +required: + - compatible + - reg + +additionalProperties: + type: object + +examples: + - | + gcr: syscon@800000 { + compatible = "nuvoton,npcm750-gcr", "syscon", "simple-mfd"; + reg = <0x800000 0x1000>; + + mux-controller { + compatible = "mmio-mux"; + #mux-control-cells = <1>; + mux-reg-masks = <0x38 0x07>; + idle-states = <2>; + }; + };
A nuvoton,*-gcr node is present in nuvoton-common-npcm7xx.dtsi and will be added to nuvoton-wpcm450.dtsi. It is necessary for the NPCM7xx and WPCM450 pinctrl drivers, and may later be used to retrieve SoC model and version information. This patch adds a binding to describe this node. Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> --- v3: - Make a few changes suggested by Rob Herring - Change name of mux-controller node to appease the linter v2: - https://lore.kernel.org/lkml/20211207210823.1975632-2-j.neuschaefer@gmx.net/ - Rename node in example to syscon@800000 - Add subnode to example v1: - https://lore.kernel.org/lkml/20210602120329.2444672-2-j.neuschaefer@gmx.net/ --- .../bindings/arm/npcm/nuvoton,gcr.yaml | 48 +++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/npcm/nuvoton,gcr.yaml -- 2.30.2