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Message-ID: <20200512134423.GB23637@bogus>
Date: Tue, 12 May 2020 08:44:23 -0500
From: Rob Herring <robh@...nel.org>
To: Charles Keepax <ckeepax@...nsource.cirrus.com>
Cc: lee.jones@...aro.org, broonie@...nel.org, mturquette@...libre.com,
sboyd@...nel.org, jdelvare@...e.com, linux@...ck-us.net,
linus.walleij@...aro.org, lgirdwood@...il.com,
linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
patches@...nsource.cirrus.com
Subject: Re: [PATCH v2 3/5] pinctrl: lochnagar: Move binding over to dtschema
On Mon, May 04, 2020 at 04:47:55PM +0100, Charles Keepax wrote:
> Signed-off-by: Charles Keepax <ckeepax@...nsource.cirrus.com>
> ---
>
> Changes since v1:
> - Moved sub-node into MFD file leaving just the properties in here
> - Removed contains on the compatible
> - Added a required -pins suffix for pinmux/ctrl nodes
> - Added some extra blank lines for readability
>
> Thanks,
> Charles
>
> .../bindings/pinctrl/cirrus,lochnagar.txt | 141 ---------------
> .../bindings/pinctrl/cirrus,lochnagar.yaml | 191 +++++++++++++++++++++
> 2 files changed, 191 insertions(+), 141 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/pinctrl/cirrus,lochnagar.txt
> create mode 100644 Documentation/devicetree/bindings/pinctrl/cirrus,lochnagar.yaml
> diff --git a/Documentation/devicetree/bindings/pinctrl/cirrus,lochnagar.yaml b/Documentation/devicetree/bindings/pinctrl/cirrus,lochnagar.yaml
> new file mode 100644
> index 0000000000000..2d6f832f1e4c5
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pinctrl/cirrus,lochnagar.yaml
> @@ -0,0 +1,191 @@
> +# 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@...nsource.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:
> + description:
> + Indicates this device is a GPIO controller.
No need to re-describe common properties unless you have something
specific about this device to say. Just:
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
> +
> +patternProperties:
> + '^.*$':
No need to allow anything here. Use 'pin-settings' instead.
Needs 'type: object' too.
> + patternProperties:
> + '^.*-pins$':
Just '-pins$' is equivalent.
> + 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
Blank line.
> + required:
> + - function
> +
> + additionalProperties: false
> +
> +required:
> + - compatible
> + - gpio-controller
> + - '#gpio-cells'
> + - gpio-ranges
> + - pinctrl-0
> + - pinctrl-names
> --
> 2.11.0
>
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