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pinctrl: lochnagar: Move binding over to dtschema

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Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Charles Keepax 2020-05-12 16:23:56 +01:00 committed by Rob Herring
parent e1bfa75df2
commit 96c1517e0e
2 changed files with 190 additions and 141 deletions
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141
Documentation/devicetree/bindings/pinctrl/cirrus,lochnagar.txt
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Cirrus Logic Lochnagar Audio Development Board
Lochnagar is an evaluation and development board for Cirrus Logic
Smart CODEC and Amp devices. It allows the connection of most Cirrus
Logic devices on mini-cards, as well as allowing connection of
various application processor systems to provide a full evaluation
platform. Audio system topology, clocking and power can all be
controlled through the Lochnagar, allowing the device under test
to be used in a variety of possible use cases.
This binding document describes the binding for the pinctrl portion
of the driver.
Also see these documents for generic binding information:
[1] GPIO : ../gpio/gpio.txt
[2] Pinctrl: ../pinctrl/pinctrl-bindings.txt
And these for relevant defines:
[3] include/dt-bindings/pinctrl/lochnagar.h
This binding must be part of the Lochnagar MFD binding:
[4] ../mfd/cirrus,lochnagar.txt
Required properties:
- compatible : One of the following strings:
"cirrus,lochnagar-pinctrl"
- gpio-controller : Indicates this device is a GPIO controller.
- #gpio-cells : Must be 2. The first cell is the pin number, see
[3] for available pins and the second cell is used to specify
optional parameters, see [1].
- gpio-ranges : Range of pins managed by the GPIO controller, see
[1]. Both the GPIO and Pinctrl base should be set to zero and the
count to the appropriate of the LOCHNAGARx_PIN_NUM_GPIOS define,
see [3].
- pinctrl-names : A pinctrl state named "default" must be defined.
- pinctrl-0 : A phandle to the default pinctrl state.
Required sub-nodes:
The pin configurations are defined as a child of the pinctrl states
node, see [2]. Each sub-node can have the following properties:
- groups : A list of groups to select (either this or "pins" must be
specified), available groups:
codec-aif1, codec-aif2, codec-aif3, dsp-aif1, dsp-aif2, psia1,
psia2, gf-aif1, gf-aif2, gf-aif3, gf-aif4, spdif-aif, usb-aif1,
usb-aif2, adat-aif, soundcard-aif
- pins : A list of pin names to select (either this or "groups" must
be specified), available pins:
fpga-gpio1, fpga-gpio2, fpga-gpio3, fpga-gpio4, fpga-gpio5,
fpga-gpio6, codec-gpio1, codec-gpio2, codec-gpio3, codec-gpio4,
codec-gpio5, codec-gpio6, codec-gpio7, codec-gpio8, dsp-gpio1,
dsp-gpio2, dsp-gpio3, dsp-gpio4, dsp-gpio5, dsp-gpio6, gf-gpio2,
gf-gpio3, gf-gpio7, codec-aif1-bclk, codec-aif1-rxdat,
codec-aif1-lrclk, codec-aif1-txdat, codec-aif2-bclk,
codec-aif2-rxdat, codec-aif2-lrclk, codec-aif2-txdat,
codec-aif3-bclk, codec-aif3-rxdat, codec-aif3-lrclk,
codec-aif3-txdat, dsp-aif1-bclk, dsp-aif1-rxdat, dsp-aif1-lrclk,
dsp-aif1-txdat, dsp-aif2-bclk, dsp-aif2-rxdat,
dsp-aif2-lrclk, dsp-aif2-txdat, psia1-bclk, psia1-rxdat,
psia1-lrclk, psia1-txdat, psia2-bclk, psia2-rxdat, psia2-lrclk,
psia2-txdat, gf-aif3-bclk, gf-aif3-rxdat, gf-aif3-lrclk,
gf-aif3-txdat, gf-aif4-bclk, gf-aif4-rxdat, gf-aif4-lrclk,
gf-aif4-txdat, gf-aif1-bclk, gf-aif1-rxdat, gf-aif1-lrclk,
gf-aif1-txdat, gf-aif2-bclk, gf-aif2-rxdat, gf-aif2-lrclk,
gf-aif2-txdat, dsp-uart1-rx, dsp-uart1-tx, dsp-uart2-rx,
dsp-uart2-tx, gf-uart2-rx, gf-uart2-tx, usb-uart-rx,
codec-pdmclk1, codec-pdmdat1, codec-pdmclk2, codec-pdmdat2,
codec-dmicclk1, codec-dmicdat1, codec-dmicclk2, codec-dmicdat2,
codec-dmicclk3, codec-dmicdat3, codec-dmicclk4, codec-dmicdat4,
dsp-dmicclk1, dsp-dmicdat1, dsp-dmicclk2, dsp-dmicdat2, i2c2-scl,
i2c2-sda, i2c3-scl, i2c3-sda, i2c4-scl, i2c4-sda, dsp-standby,
codec-mclk1, codec-mclk2, dsp-clkin, psia1-mclk, psia2-mclk,
gf-gpio1, gf-gpio5, dsp-gpio20, led1, led2
- function : The mux function to select, available functions:
aif, fpga-gpio1, fpga-gpio2, fpga-gpio3, fpga-gpio4, fpga-gpio5,
fpga-gpio6, codec-gpio1, codec-gpio2, codec-gpio3, codec-gpio4,
codec-gpio5, codec-gpio6, codec-gpio7, codec-gpio8, dsp-gpio1,
dsp-gpio2, dsp-gpio3, dsp-gpio4, dsp-gpio5, dsp-gpio6, gf-gpio2,
gf-gpio3, gf-gpio7, gf-gpio1, gf-gpio5, dsp-gpio20, codec-clkout,
dsp-clkout, pmic-32k, spdif-clkout, clk-12m288, clk-11m2986,
clk-24m576, clk-22m5792, xmos-mclk, gf-clkout1, gf-mclk1,
gf-mclk3, gf-mclk2, gf-clkout2, codec-mclk1, codec-mclk2,
dsp-clkin, psia1-mclk, psia2-mclk, spdif-mclk, codec-irq,
codec-reset, dsp-reset, dsp-irq, dsp-standby, codec-pdmclk1,
codec-pdmdat1, codec-pdmclk2, codec-pdmdat2, codec-dmicclk1,
codec-dmicdat1, codec-dmicclk2, codec-dmicdat2, codec-dmicclk3,
codec-dmicdat3, codec-dmicclk4, codec-dmicdat4, dsp-dmicclk1,
dsp-dmicdat1, dsp-dmicclk2, dsp-dmicdat2, dsp-uart1-rx,
dsp-uart1-tx, dsp-uart2-rx, dsp-uart2-tx, gf-uart2-rx,
gf-uart2-tx, usb-uart-rx, usb-uart-tx, i2c2-scl, i2c2-sda,
i2c3-scl, i2c3-sda, i2c4-scl, i2c4-sda, spdif-aif, psia1,
psia1-bclk, psia1-lrclk, psia1-rxdat, psia1-txdat, psia2,
psia2-bclk, psia2-lrclk, psia2-rxdat, psia2-txdat, codec-aif1,
codec-aif1-bclk, codec-aif1-lrclk, codec-aif1-rxdat,
codec-aif1-txdat, codec-aif2, codec-aif2-bclk, codec-aif2-lrclk,
codec-aif2-rxdat, codec-aif2-txdat, codec-aif3, codec-aif3-bclk,
codec-aif3-lrclk, codec-aif3-rxdat, codec-aif3-txdat, dsp-aif1,
dsp-aif1-bclk, dsp-aif1-lrclk, dsp-aif1-rxdat, dsp-aif1-txdat,
dsp-aif2, dsp-aif2-bclk, dsp-aif2-lrclk, dsp-aif2-rxdat,
dsp-aif2-txdat, gf-aif3, gf-aif3-bclk, gf-aif3-lrclk,
gf-aif3-rxdat, gf-aif3-txdat, gf-aif4, gf-aif4-bclk,
gf-aif4-lrclk, gf-aif4-rxdat, gf-aif4-txdat, gf-aif1,
gf-aif1-bclk, gf-aif1-lrclk, gf-aif1-rxdat, gf-aif1-txdat,
gf-aif2, gf-aif2-bclk, gf-aif2-lrclk, gf-aif2-rxdat,
gf-aif2-txdat, usb-aif1, usb-aif2, adat-aif, soundcard-aif,
- output-enable : Specifies that an AIF group will be used as a master
interface (either this or input-enable is required if a group is
being muxed to an AIF)
- input-enable : Specifies that an AIF group will be used as a slave
interface (either this or output-enable is required if a group is
being muxed to an AIF)
Example:
lochnagar-pinctrl {
compatible = "cirrus,lochnagar-pinctrl";
gpio-controller;
#gpio-cells = <2>;
gpio-ranges = <&lochnagar 0 0 LOCHNAGAR2_PIN_NUM_GPIOS>;
pinctrl-names = "default";
pinctrl-0 = <&pin-settings>;
pin-settings: pin-settings {
ap-aif {
input-enable;
groups = "gf-aif1";
function = "codec-aif3";
};
codec-aif {
output-enable;
groups = "codec-aif3";
function = "gf-aif1";
};
};
};

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Documentation/devicetree/bindings/pinctrl/cirrus,lochnagar.yaml Normal file
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# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/pinctrl/cirrus,lochnagar.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Cirrus Logic Lochnagar Audio Development Board
maintainers:
- patches@opensource.cirrus.com
description: |
Lochnagar is an evaluation and development board for Cirrus Logic
Smart CODEC and Amp devices. It allows the connection of most Cirrus
Logic devices on mini-cards, as well as allowing connection of various
application processor systems to provide a full evaluation platform.
Audio system topology, clocking and power can all be controlled through
the Lochnagar, allowing the device under test to be used in a variety of
possible use cases.
This binding document describes the binding for the pinctrl portion of
the driver.
Also see these documents for generic binding information:
[1] GPIO : ../gpio/gpio.txt
[2] Pinctrl: ../pinctrl/pinctrl-bindings.txt
And these for relevant defines:
[3] include/dt-bindings/pinctrl/lochnagar.h
This binding must be part of the Lochnagar MFD binding:
[4] ../mfd/cirrus,lochnagar.yaml
properties:
compatible:
enum:
- cirrus,lochnagar-pinctrl
gpio-controller: true
'#gpio-cells':
description:
The first cell is the pin number and the second cell is used
to specify optional parameters.
const: 2
gpio-ranges:
description:
Range of pins managed by the GPIO controller, see [1]. Both the
GPIO and Pinctrl base should be set to zero and the count to the
appropriate of the LOCHNAGARx_PIN_NUM_GPIOS define, see [3].
maxItems: 1
pinctrl-0:
description:
A phandle to the default pinctrl state.
pinctrl-names:
description:
A pinctrl state named "default" must be defined.
const: default
pin-settings:
type: object
patternProperties:
'-pins$':
description:
The pin configurations are defined as a child of the pinctrl
states node, see [2]. Each sub-node can have the following
properties.
type: object
allOf:
- $ref: pincfg-node.yaml#
- $ref: pinmux-node.yaml#
properties:
groups:
description:
A list of groups to select (either this or "pins" must be
specified), available groups.
enum: [ codec-aif1, codec-aif2, codec-aif3, dsp-aif1,
dsp-aif2, psia1, psia2, gf-aif1, gf-aif2, gf-aif3,
gf-aif4, spdif-aif, usb-aif1, usb-aif2, adat-aif,
soundcard-aif ]
pins:
description:
A list of pin names to select (either this or "groups" must
be specified), available pins.
enum: [ fpga-gpio1, fpga-gpio2, fpga-gpio3, fpga-gpio4,
fpga-gpio5, fpga-gpio6, codec-gpio1, codec-gpio2,
codec-gpio3, codec-gpio4, codec-gpio5, codec-gpio6,
codec-gpio7, codec-gpio8, dsp-gpio1, dsp-gpio2,
dsp-gpio3, dsp-gpio4, dsp-gpio5, dsp-gpio6,
gf-gpio2, gf-gpio3, gf-gpio7, codec-aif1-bclk,
codec-aif1-rxdat, codec-aif1-lrclk, codec-aif1-txdat,
codec-aif2-bclk, codec-aif2-rxdat, codec-aif2-lrclk,
codec-aif2-txdat, codec-aif3-bclk, codec-aif3-rxdat,
codec-aif3-lrclk, codec-aif3-txdat, dsp-aif1-bclk,
dsp-aif1-rxdat, dsp-aif1-lrclk, dsp-aif1-txdat,
dsp-aif2-bclk, dsp-aif2-rxdat, dsp-aif2-lrclk,
dsp-aif2-txdat, psia1-bclk, psia1-rxdat, psia1-lrclk,
psia1-txdat, psia2-bclk, psia2-rxdat, psia2-lrclk,
psia2-txdat, gf-aif3-bclk, gf-aif3-rxdat,
gf-aif3-lrclk, gf-aif3-txdat, gf-aif4-bclk,
gf-aif4-rxdat, gf-aif4-lrclk, gf-aif4-txdat,
gf-aif1-bclk, gf-aif1-rxdat, gf-aif1-lrclk,
gf-aif1-txdat, gf-aif2-bclk, gf-aif2-rxdat,
gf-aif2-lrclk, gf-aif2-txdat, dsp-uart1-rx,
dsp-uart1-tx, dsp-uart2-rx, dsp-uart2-tx,
gf-uart2-rx, gf-uart2-tx, usb-uart-rx, codec-pdmclk1,
codec-pdmdat1, codec-pdmclk2, codec-pdmdat2,
codec-dmicclk1, codec-dmicdat1, codec-dmicclk2,
codec-dmicdat2, codec-dmicclk3, codec-dmicdat3,
codec-dmicclk4, codec-dmicdat4, dsp-dmicclk1,
dsp-dmicdat1, dsp-dmicclk2, dsp-dmicdat2, i2c2-scl,
i2c2-sda, i2c3-scl, i2c3-sda, i2c4-scl, i2c4-sda,
dsp-standby, codec-mclk1, codec-mclk2, dsp-clkin,
psia1-mclk, psia2-mclk, gf-gpio1, gf-gpio5,
dsp-gpio20, led1, led2 ]
function:
description:
The mux function to select, available functions.
enum: [ aif, fpga-gpio1, fpga-gpio2, fpga-gpio3, fpga-gpio4,
fpga-gpio5, fpga-gpio6, codec-gpio1, codec-gpio2,
codec-gpio3, codec-gpio4, codec-gpio5, codec-gpio6,
codec-gpio7, codec-gpio8, dsp-gpio1, dsp-gpio2,
dsp-gpio3, dsp-gpio4, dsp-gpio5, dsp-gpio6,
gf-gpio2, gf-gpio3, gf-gpio7, gf-gpio1, gf-gpio5,
dsp-gpio20, codec-clkout, dsp-clkout, pmic-32k,
spdif-clkout, clk-12m288, clk-11m2986, clk-24m576,
clk-22m5792, xmos-mclk, gf-clkout1, gf-mclk1,
gf-mclk3, gf-mclk2, gf-clkout2, codec-mclk1,
codec-mclk2, dsp-clkin, psia1-mclk, psia2-mclk,
spdif-mclk, codec-irq, codec-reset, dsp-reset,
dsp-irq, dsp-standby, codec-pdmclk1, codec-pdmdat1,
codec-pdmclk2, codec-pdmdat2, codec-dmicclk1,
codec-dmicdat1, codec-dmicclk2, codec-dmicdat2,
codec-dmicclk3, codec-dmicdat3, codec-dmicclk4,
codec-dmicdat4, dsp-dmicclk1, dsp-dmicdat1,
dsp-dmicclk2, dsp-dmicdat2, dsp-uart1-rx,
dsp-uart1-tx, dsp-uart2-rx, dsp-uart2-tx,
gf-uart2-rx, gf-uart2-tx, usb-uart-rx, usb-uart-tx,
i2c2-scl, i2c2-sda, i2c3-scl, i2c3-sda, i2c4-scl,
i2c4-sda, spdif-aif, psia1, psia1-bclk, psia1-lrclk,
psia1-rxdat, psia1-txdat, psia2, psia2-bclk,
psia2-lrclk, psia2-rxdat, psia2-txdat, codec-aif1,
codec-aif1-bclk, codec-aif1-lrclk, codec-aif1-rxdat,
codec-aif1-txdat, codec-aif2, codec-aif2-bclk,
codec-aif2-lrclk, codec-aif2-rxdat, codec-aif2-txdat,
codec-aif3, codec-aif3-bclk, codec-aif3-lrclk,
codec-aif3-rxdat, codec-aif3-txdat, dsp-aif1,
dsp-aif1-bclk, dsp-aif1-lrclk, dsp-aif1-rxdat,
dsp-aif1-txdat, dsp-aif2, dsp-aif2-bclk,
dsp-aif2-lrclk, dsp-aif2-rxdat, dsp-aif2-txdat,
gf-aif3, gf-aif3-bclk, gf-aif3-lrclk, gf-aif3-rxdat,
gf-aif3-txdat, gf-aif4, gf-aif4-bclk, gf-aif4-lrclk,
gf-aif4-rxdat, gf-aif4-txdat, gf-aif1, gf-aif1-bclk,
gf-aif1-lrclk, gf-aif1-rxdat, gf-aif1-txdat, gf-aif2,
gf-aif2-bclk, gf-aif2-lrclk, gf-aif2-rxdat,
gf-aif2-txdat, usb-aif1, usb-aif2, adat-aif,
soundcard-aif ]
output-enable:
description:
Specifies that an AIF group will be used as a master
interface (either this or input-enable is required if a
group is being muxed to an AIF)
input-enable:
description:
Specifies that an AIF group will be used as a slave
interface (either this or output-enable is required if a
group is being muxed to an AIF)
additionalProperties: false
required:
- function
additionalProperties: false
required:
- compatible
- gpio-controller
- '#gpio-cells'
- gpio-ranges
- pinctrl-0
- pinctrl-names