On Thu, Sep 12, 2024 at 07:24:59PM +0100, Arturs Artamonovs wrote:
> Add PINCTRL driver bindings.
>
> Signed-off-by: Arturs Artamonovs <Arturs.Artamonovs@analog.com>
> Co-developed-by: Nathan Barrett-Morrison <nathan.morrison@timesys.com>
> Signed-off-by: Nathan Barrett-Morrison <nathan.morrison@timesys.com>
> Co-developed-by: Greg Malysa <greg.malysa@timesys.com>
> Signed-off-by: Greg Malysa <greg.malysa@timesys.com>
> ---
> .../bindings/pinctrl/adi,adsp-pinctrl.yaml | 83 ++++++++++++++++++++++
> include/dt-bindings/pinctrl/adi-adsp.h | 19 +++++
> 2 files changed, 102 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/pinctrl/adi,adsp-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/adi,adsp-pinctrl.yaml
> new file mode 100644
> index 0000000000000000000000000000000000000000..073442b4f680bf536f631b4c17a1d3195c2233d6
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pinctrl/adi,adsp-pinctrl.yaml
> @@ -0,0 +1,83 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/pinctrl/adi,adsp-pinctrl.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Analog Devices Pinmuxing Control for SC5XX Processor Family
> +
> +maintainers:
> + - Arturs Artamonovs <arturs.artamonovs@analog.com>
> + - Utsav Agarwal <Utsav.Agarwal@analog.com>
> +
> +description: |
> + Pinmuxing Control Driver for Configuring Processor Pins/Pads
> +
> +properties:
> + compatible:
> + enum:
> + - adi,adsp-pinctrl
> +
> + "#address-cells":
> + const: 1
> +
> + "#size-cells":
> + const: 1
> +
> + reg:
> + maxItems: 1
> +
> + "adi,port-sizes":
Don't need quotes.
> + $ref: /schemas/types.yaml#/definitions/uint32-array
> + maxItems: 9
> + description: Space delimited integer list denoting number of pins per port
> + Ports A-I exist, so this is up to 9 items long
No constraints on the entries?
> +
> + "adi,no-drive-strength":
> + type: boolean
> + description: Indicate missing drive strength registers
> +
> + "adi,no-pull-up-down":
> + type: boolean
> + description: Indicate missing pull up/down enable registers
> +
> +patternProperties:
> + '-pins$':
> + type: object
> + additionalProperties: false
> +
> + properties:
> + pins:
> + type: object
> + description: |
> + A pinctrl node should contain a pin property, specifying the actual
> + pins to use.
> +
> + properties:
> + pinmux:
> + $ref: /schemas/types.yaml#/definitions/uint32-array
> + description: |
> + pinmux is used to specify which of the available functionalities
> + for a given pin are actually used.
> +
> + additionalProperties: false
> +
> +required:
> + - compatible
> + - "#address-cells"
> + - "#size-cells"
> + - reg
> + - "adi,port-sizes"
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + pinctrl0: pinctrl@31004600 {
> + compatible = "adi,adsp-pinctrl";
> + #address-cells = <1>;
> + #size-cells = <1>;
> + reg = <0x31004600 0x400>;
> + adi,port-sizes = <16 16 16 16 16 16 16 16 7>;
> + };
> +
> diff --git a/include/dt-bindings/pinctrl/adi-adsp.h b/include/dt-bindings/pinctrl/adi-adsp.h
> new file mode 100644
> index 0000000000000000000000000000000000000000..dc5b86a0d9190acdd242a6ba4972c3aac7a61821
> --- /dev/null
> +++ b/include/dt-bindings/pinctrl/adi-adsp.h
> @@ -0,0 +1,19 @@
> +/* SPDX-License-Identifier: GPL-2.0*/
Missing space ^
New bindings should be dual licensed.
> +/*
> + * Macros for populating pinmux properties on the pincontroller
> + *
> + * Copyright 2022-2024 - Analog Devices Inc.
> + */
> +
> +#ifndef DT_BINDINGS_PINCTRL_ADI_ADSP_H
> +#define DT_BINDINGS_PINCTRL_ADI_ADSP_H
> +
> +#define ADI_ADSP_PINFUNC_GPIO 0
> +#define ADI_ADSP_PINFUNC_ALT0 1
> +#define ADI_ADSP_PINFUNC_ALT1 2
> +#define ADI_ADSP_PINFUNC_ALT2 3
> +#define ADI_ADSP_PINFUNC_ALT3 4
> +
> +#define ADI_ADSP_PINMUX(port, pin, func) ((((port - 'A')*16 + pin) << 8) + func)
> +
> +#endif
>
> --
> 2.25.1
>