diff --git a/MAINTAINERS b/MAINTAINERS index af8d0b7d5e9..abdb418b599 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -629,12 +629,14 @@ F: arch/arm/mach-sc5xx/ F: board/adi/ F: doc/device-tree-bindings/arm/adi/adi,sc5xx.yaml F: doc/device-tree-bindings/clock/adi,sc5xx-clocks.yaml +F: doc/device-tree-bindings/pinctrl/adi,adsp-pinctrl.yaml F: doc/device-tree-bindings/timer/adi,sc5xx-gptimer.yaml F: drivers/clk/adi/ F: drivers/pinctrl/pinctrl-adi-adsp.c F: drivers/serial/serial_adi_uart4.c F: drivers/timer/adi_sc5xx_timer.c F: include/configs/sc5* +F: include/dt-bindings/pinctrl/adi-adsp.h F: include/env/adi/ ARM SNAPDRAGON diff --git a/doc/device-tree-bindings/pinctrl/adi,adsp-pinctrl.yaml b/doc/device-tree-bindings/pinctrl/adi,adsp-pinctrl.yaml new file mode 100644 index 00000000000..418ebd5ce41 --- /dev/null +++ b/doc/device-tree-bindings/pinctrl/adi,adsp-pinctrl.yaml @@ -0,0 +1,73 @@ +# SPDX-License-Identifier: (GPL-2.0+ 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: Pinctrl Driver for Analog Devices SC5xx Processors + +maintainers: + - Vasileios Bimpikas + - Utsav Agarwal + - Arturs Artamonovs + +description: | + This driver provides an interface for performing pin configuration + Analog Devices SoCs using the ADSP PORT hardware for pin + configuration according to the HRM. Currently this is only the + SC5xx series. + +properties: + compatible: + const: adi,adsp-pinctrl + + reg: + maxItems: 1 + + adi,npins: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Total number of pins available to this SoC's pin controller, + found in the HRM. + +patternProperties: + '_pins$': + type: object + + properties: + adi,pins: + $ref: /schemas/types.yaml#/definitions/uint32-array + description: + For n pins, 2n values must be provided as a sequence of pin + name as identified with the ADI_ADSP_PIN() macro and a pin + function constant, both defined in + include/dt-bindings/pinctrl/adi-adsp.h. + + required: + - adi,pins + + additionalProperties: false + +required: + - compatible + - reg + - adi,npins + +additionalProperties: false + +examples: + - | + #include + + soc { + pinctrl0: pinctrl@0x31004000 { + compatible = "adi,adsp-pinctrl"; + reg = <0x31004000 0x500>; + adi,npins = <135>; + uart0_default: uart0_pins { + adi,pins = , + ; + }; + }; + + }; diff --git a/include/dt-bindings/pinctrl/adi-adsp.h b/include/dt-bindings/pinctrl/adi-adsp.h new file mode 100644 index 00000000000..7dc8a1ef5c4 --- /dev/null +++ b/include/dt-bindings/pinctrl/adi-adsp.h @@ -0,0 +1,21 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * (C) Copyright 2022 - Analog Devices, Inc. + * + * Written and/or maintained by Timesys Corporation + * + * Contact: Nathan Barrett-Morrison + * Contact: Greg Malysa + * + */ + +#ifndef DT_BINDINGS_PINCTRL_ADI_ADSP +#define DT_BINDINGS_PINCTRL_ADI_ADSP + +#define ADI_ADSP_PIN(port, pin) (16 * ((port) - 'A') + (pin)) +#define ADI_ADSP_PINFUNC_ALT0 0 +#define ADI_ADSP_PINFUNC_ALT1 1 +#define ADI_ADSP_PINFUNC_ALT2 2 +#define ADI_ADSP_PINFUNC_ALT3 3 + +#endif