Re: [PATCH] dt-bindings: pinctrl: intel: Update to use generic bindings
From: Rob Herring
Date: Mon Jan 13 2020 - 12:38:43 EST
On Wed, Dec 18, 2019 at 12:20 AM Rahul Tanwar
<rahul.tanwar@xxxxxxxxxxxxxxx> wrote:
>
> Kernel 5.5 adds generic pin mux & cfg node schema. Update pinctrl bindings
> for LGM to use these newly added schemas. Also, rename filename to match
> the compatible string.
>
> Signed-off-by: Rahul Tanwar <rahul.tanwar@xxxxxxxxxxxxxxx>
> ---
> .../devicetree/bindings/pinctrl/intel,lgm-io.yaml | 76 ++++++++++++++
> .../bindings/pinctrl/intel,lgm-pinctrl.yaml | 116 ---------------------
> 2 files changed, 76 insertions(+), 116 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/pinctrl/intel,lgm-io.yaml
> delete mode 100644 Documentation/devicetree/bindings/pinctrl/intel,lgm-pinctrl.yaml
Pretty sure I've said on multiple occasions to run 'make
dt_binding_check'... Linux-next is broken by this (and others).
> diff --git a/Documentation/devicetree/bindings/pinctrl/intel,lgm-io.yaml b/Documentation/devicetree/bindings/pinctrl/intel,lgm-io.yaml
> new file mode 100644
> index 000000000000..a386fb520510
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pinctrl/intel,lgm-io.yaml
> @@ -0,0 +1,76 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/bindings/pinctrl/intel,lgm-io.yaml#
Drop 'bindings' from the path.
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Intel Lightning Mountain SoC pinmux & GPIO controller binding
> +
> +maintainers:
> + - Rahul Tanwar <rahul.tanwar@xxxxxxxxxxxxxxx>
> +
> +description: |
> + Pinmux & GPIO controller controls pin multiplexing & configuration including
> + GPIO function selection & GPIO attributes configuration.
> +
> +allOf:
> + - $ref: pincfg-node.yaml#
> + - $ref: pinmux-node.yaml#
This 'allOf' is at the wrong level...
> +
> +properties:
> + compatible:
> + const: intel,lgm-io
> +
> + reg:
> + maxItems: 1
> +
> +# Client device subnode's properties
> +patternProperties:
> + '-pins$':
> + type: object
...It should be here.
> + description:
> + Pinctrl node's client devices use subnodes for desired pin configuration.
> + Client device subnodes use below standard properties.
> +
> + properties:
> + function: true
> + group: true
> + pins: true
> + pinmux: true
> + bias-pull-up: true
> + bias-pull-down: true
> + drive-strength: true
> + slew-rate: true
> + drive-open-drain: true
> + output-enable: true
> +
> + required:
> + - function
> + - group
> +
> + additionalProperties: false
> +
> +required:
> + - compatible
> + - reg
> +
> +additionalProperties: false
> +
> +examples:
> + # Pinmux controller node
> + - |
> + pinctrl: pinctrl@e2880000 {
> + compatible = "intel,lgm-io";
> + reg = <0xe2880000 0x100000>;
> +
> + uart0-pins {
> + pins = <64>, /* UART_RX0 */
> + <65>; /* UART_TX0 */
> + function = "CONSOLE_UART0";
> + pinmux = <1>,
> + <1>;
> + groups = "CONSOLE_UART0";
'groups' is not a defined property. Should be 'group'.
> + };
> + };
> +
> +...