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author | Charles Keepax <ckeepax@opensource.cirrus.com> | 2020-05-13 12:57:19 +0300 |
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committer | Rob Herring <robh@kernel.org> | 2020-05-28 04:30:26 +0300 |
commit | 067243bab999be65c6ef4cffa982a053dc399b79 (patch) | |
tree | a64e3ec07edca3c5171a825360676a5b598e4b81 /Documentation/devicetree/bindings/pinctrl | |
parent | 8b3f0ed9e07ff227b3187f9b397fc5cb6498ca68 (diff) | |
download | linux-067243bab999be65c6ef4cffa982a053dc399b79.tar.xz |
pinctrl: madera: Move binding over to dtschema
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/pinctrl')
-rw-r--r-- | Documentation/devicetree/bindings/pinctrl/cirrus,madera-pinctrl.txt | 99 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/pinctrl/cirrus,madera.yaml | 122 |
2 files changed, 122 insertions, 99 deletions
diff --git a/Documentation/devicetree/bindings/pinctrl/cirrus,madera-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/cirrus,madera-pinctrl.txt deleted file mode 100644 index b0e36cf0d289..000000000000 --- a/Documentation/devicetree/bindings/pinctrl/cirrus,madera-pinctrl.txt +++ /dev/null @@ -1,99 +0,0 @@ -Cirrus Logic Madera class audio codecs pinctrl driver - -The Cirrus Logic Madera codecs provide a number of GPIO functions for -interfacing to external hardware and to provide logic outputs to other devices. -Certain groups of GPIO pins also have an alternate function, normally as an -audio interface. - -The set of available GPIOs, functions and alternate function groups differs -between codecs so refer to the datasheet for the codec for further information -on what is supported on that device. - -The properties for this driver exist within the parent MFD driver node. - -See also - the core bindings for the parent MFD driver: - Documentation/devicetree/bindings/mfd/madera.txt - - the generic pinmix bindings: - Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt - -Required properties of parent mfd node: - - pinctrl-names : must be "default" - - pinctrl-0 : a phandle to the node containing the subnodes containing default - configurations - -Required subnodes: - One subnode is required to contain the default settings. It contains an - arbitrary number of configuration subnodes, one for each group or pin - configuration you want to apply as a default. - -Required properties of configuration subnodes: - - groups : name of one pin group to configure. One of: - aif1, aif2, aif3, aif4, mif1, mif2, mif3, pdmspk1, pdmspk2, - dmic4, dmic5, dmic6, - gpio1, gpio2, ..., gpio40 - The gpioN groups select the single pin of this name for configuration - -Optional properties of configuration subnodes: - Any configuration option not explicitly listed in the dts will be left at - chip default setting. - - - function : name of function to assign to this group. One of: - aif1, aif2, aif3, aif4, mif1, mif2, mif3, pdmspk1, pdmspk2, - dmic3, dmic4, dmic5, dmic6, - io, dsp-gpio, irq1, irq2, - fll1-clk, fll1-lock, fll2-clk, fll2-lock, fll3-clk, fll3-lock, - fllao-clk, fllao-lock, - opclk, opclk-async, pwm1, pwm2, spdif, - asrc1-in1-lock, asrc1-in2-lock, asrc2-in1-lock, asrc2-in2-lock, - spkl-short-circuit, spkr-short-circuit, spk-shutdown, - spk-overheat-shutdown, spk-overheat-warn, - timer1-sts, timer2-sts, timer3-sts, timer4-sts, timer5-sts, timer6-sts, - timer7-sts, timer8-sts, - log1-fifo-ne, log2-fifo-ne, log3-fifo-ne, log4-fifo-ne, log5-fifo-ne, - log6-fifo-ne, log7-fifo-ne, log8-fifo-ne, - - - bias-disable : disable pull-up and pull-down - - bias-bus-hold : enable buskeeper - - bias-pull-up : output is pulled-up - - bias-pull-down : output is pulled-down - - drive-push-pull : CMOS output - - drive-open-drain : open-drain output - - drive-strength : drive strength in mA. Valid values are 4 or 8 - - input-schmitt-enable : enable schmitt-trigger mode - - input-schmitt-disable : disable schmitt-trigger mode - - input-debounce : A value of 0 disables debounce, a value !=0 enables - debounce - - output-low : set the pin to output mode with low level - - output-high : set the pin to output mode with high level - -Example: - -cs47l85@0 { - compatible = "cirrus,cs47l85"; - - pinctrl-names = "default"; - pinctrl-0 = <&cs47l85_defaults>; - - cs47l85_defaults: cs47l85-gpio-defaults { - aif1 { - groups = "aif1"; - function = "aif1"; - bias-bus-hold; - }; - - aif2 { - groups = "aif2"; - function = "aif2"; - bias-bus-hold; - }; - - opclk { - groups = "gpio1"; - function = "opclk"; - bias-pull-up; - drive-strength = <8>; - }; - }; -}; diff --git a/Documentation/devicetree/bindings/pinctrl/cirrus,madera.yaml b/Documentation/devicetree/bindings/pinctrl/cirrus,madera.yaml new file mode 100644 index 000000000000..6bfc25d0e1b3 --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/cirrus,madera.yaml @@ -0,0 +1,122 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pinctrl/cirrus,madera.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Cirrus Logic Madera class audio CODECs pinctrl driver + +maintainers: + - patches@opensource.cirrus.com + +description: | + The Cirrus Logic Madera codecs provide a number of GPIO functions for + interfacing to external hardware and to provide logic outputs to other devices. + Certain groups of GPIO pins also have an alternate function, normally as an + audio interface. + + The set of available GPIOs, functions and alternate function groups differs + between CODECs so refer to the datasheet for the CODEC for further information + on what is supported on that device. + + The properties for this driver exist within the parent MFD driver node. + + See also the core bindings for the parent MFD driver: + + Documentation/devicetree/bindings/mfd/cirrus,madera.yaml + + And the generic pinmix bindings: + + Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt + +properties: + pinctrl-0: + description: + A phandle to the node containing the subnodes containing default + configurations. + + pinctrl-names: + description: + A pinctrl state named "default" must be defined. + const: default + + pin-settings: + description: + One subnode is required to contain the default settings. It + contains an arbitrary number of configuration subnodes, one for + each group or pin configuration you want to apply as a default. + type: object + patternProperties: + '-pins$': + type: object + allOf: + - $ref: "pincfg-node.yaml#" + - $ref: "pinmux-node.yaml#" + properties: + groups: + description: + Name of one pin group to configure. + enum: [ aif1, aif2, aif3, aif4, mif1, mif2, mif3, pdmspk1, + pdmspk2, dmic4, dmic5, dmic6, gpio1, gpio2, gpio3, + gpio4, gpio5, gpio6, gpio7, gpio7, gpio8, gpio9, + gpio10, gpio11, gpio12, gpio13, gpio14, gpio15, + gpio16, gpio17, gpio17, gpio18, gpio19, gpio20, + gpio21, gpio22, gpio23, gpio24, gpio25, gpio26, + gpio27, gpio27, gpio28, gpio29, gpio30, gpio31, + gpio32, gpio33, gpio34, gpio35, gpio36, gpio37, + gpio37, gpio38, gpio39 ] + + function: + description: + Name of function to assign to this group. + enum: [ aif1, aif2, aif3, aif4, mif1, mif2, mif3, + pdmspk1, pdmspk2, dmic3, dmic4, dmic5, + dmic6, io, dsp-gpio, irq1, irq2, fll1-clk, + fll1-lock, fll2-clk, fll2-lock, fll3-clk, + fll3-lock, fllao-clk, fllao-lock, opclk, + opclk-async, pwm1, pwm2, spdif, asrc1-in1-lock, + asrc1-in2-lock, asrc2-in1-lock, asrc2-in2-lock, + spkl-short-circuit, spkr-short-circuit, + spk-shutdown, spk-overheat-shutdown, + spk-overheat-warn, timer1-sts, timer2-sts, + timer3-sts, timer4-sts, timer5-sts, timer6-sts, + timer7-sts, timer8-sts, log1-fifo-ne, + log2-fifo-ne, log3-fifo-ne, log4-fifo-ne, + log5-fifo-ne, log6-fifo-ne, log7-fifo-ne, + log8-fifo-ne ] + + bias-disable: true + + bias-bus-hold: true + + bias-pull-up: true + + bias-pull-down: true + + drive-push-pull: true + + drive-open-drain: true + + drive-strength: + enum: [ 4, 8 ] + + input-schmitt-enable: true + + input-schmitt-disable: true + + input-debounce: true + + output-low: true + + output-high: true + + additionalProperties: false + + required: + - groups + + additionalProperties: false + +required: + - pinctrl-0 + - pinctrl-names |