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author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-09-08 01:01:14 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-09-08 01:01:14 -0300 |
commit | e5fd91f1ef340da553f7a79da9540c3db711c937 (patch) | |
tree | b11842027dc6641da63f4bcc524f8678263304a3 /Documentation/devicetree/bindings/pinctrl/lantiq,xway-pinumx.txt | |
parent | 2a9b0348e685a63d97486f6749622b61e9e3292f (diff) |
Linux-libre 4.2-gnu
Diffstat (limited to 'Documentation/devicetree/bindings/pinctrl/lantiq,xway-pinumx.txt')
-rw-r--r-- | Documentation/devicetree/bindings/pinctrl/lantiq,xway-pinumx.txt | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/Documentation/devicetree/bindings/pinctrl/lantiq,xway-pinumx.txt b/Documentation/devicetree/bindings/pinctrl/lantiq,xway-pinumx.txt deleted file mode 100644 index e89b46775..000000000 --- a/Documentation/devicetree/bindings/pinctrl/lantiq,xway-pinumx.txt +++ /dev/null @@ -1,97 +0,0 @@ -Lantiq XWAY pinmux controller - -Required properties: -- compatible: "lantiq,pinctrl-xway" or "lantiq,pinctrl-xr9" -- reg: Should contain the physical address and length of the gpio/pinmux - register range - -Please refer to pinctrl-bindings.txt in this directory for details of the -common pinctrl bindings used by client devices, including the meaning of the -phrase "pin configuration node". - -Lantiq's pin configuration nodes act as a container for an arbitrary number of -subnodes. Each of these subnodes represents some desired configuration for a -pin, a group, or a list of pins or groups. This configuration can include the -mux function to select on those group(s), and two pin configuration parameters: -pull-up and open-drain - -The name of each subnode is not important as long as it is unique; all subnodes -should be enumerated and processed purely based on their content. - -Each subnode only affects those parameters that are explicitly listed. In -other words, a subnode that lists a mux function but no pin configuration -parameters implies no information about any pin configuration parameters. -Similarly, a pin subnode that describes a pullup parameter implies no -information about e.g. the mux function. - -We support 2 types of nodes. - -Definition of mux function groups: - -Required subnode-properties: -- lantiq,groups : An array of strings. Each string contains the name of a group. - Valid values for these names are listed below. -- lantiq,function: A string containing the name of the function to mux to the - group. Valid values for function names are listed below. - -Valid values for group and function names: - - mux groups: - exin0, exin1, exin2, jtag, ebu a23, ebu a24, ebu a25, ebu clk, ebu cs1, - ebu wait, nand ale, nand cs1, nand cle, spi, spi_cs1, spi_cs2, spi_cs3, - spi_cs4, spi_cs5, spi_cs6, asc0, asc0 cts rts, stp, nmi , gpt1, gpt2, - gpt3, clkout0, clkout1, clkout2, clkout3, gnt1, gnt2, gnt3, req1, req2, - req3 - - additional mux groups (XR9 only): - mdio, nand rdy, nand rd, exin3, exin4, gnt4, req4 - - functions: - spi, asc, cgu, jtag, exin, stp, gpt, nmi, pci, ebu, mdio - - - -Definition of pin configurations: - -Required subnode-properties: -- lantiq,pins : An array of strings. Each string contains the name of a pin. - Valid values for these names are listed below. - -Optional subnode-properties: -- lantiq,pull: Integer, representing the pull-down/up to apply to the pin. - 0: none, 1: down, 2: up. -- lantiq,open-drain: Boolean, enables open-drain on the defined pin. - -Valid values for XWAY pin names: - Pinconf pins can be referenced via the names io0-io31. - -Valid values for XR9 pin names: - Pinconf pins can be referenced via the names io0-io55. - -Example: - gpio: pinmux@E100B10 { - compatible = "lantiq,pinctrl-xway"; - pinctrl-names = "default"; - pinctrl-0 = <&state_default>; - - #gpio-cells = <2>; - gpio-controller; - reg = <0xE100B10 0xA0>; - - state_default: pinmux { - stp { - lantiq,groups = "stp"; - lantiq,function = "stp"; - }; - pci { - lantiq,groups = "gnt1"; - lantiq,function = "pci"; - }; - conf_out { - lantiq,pins = "io4", "io5", "io6"; /* stp */ - lantiq,open-drain; - lantiq,pull = <0>; - }; - }; - }; - |