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Diffstat (limited to 'Documentation/devicetree/bindings/pinctrl/cirrus,madera-pinctrl.txt')
-rw-r--r-- | Documentation/devicetree/bindings/pinctrl/cirrus,madera-pinctrl.txt | 99 |
1 files changed, 0 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>; - }; - }; -}; |