pinctrl: DT: extend the pinmux property to support integers array
Some platforms may need more than one integer to represent a complete pinmux binding, so let's extend the pinmux property to allow to accept integer array instead of only a single integer. Cc: Mark Rutland <mark.rutland@arm.com> Cc: devicetree@vger.kernel.org Cc: Shawn Guo <shawnguo@kernel.org> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org> Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
parent
425562429d
commit
857f9dc3f6
|
@ -204,21 +204,22 @@ each single pin the number of required sub-nodes containing "pin" and
|
|||
maintain.
|
||||
|
||||
For cases like this, the pin controller driver may use the pinmux helper
|
||||
property, where the pin identifier is packed with mux configuration settings
|
||||
in a single integer.
|
||||
property, where the pin identifier is provided with mux configuration settings
|
||||
in a pinmux group. A pinmux group consists of the pin identifier and mux
|
||||
settings represented as a single integer or an array of integers.
|
||||
|
||||
The pinmux property accepts an array of integers, each of them describing
|
||||
The pinmux property accepts an array of pinmux groups, each of them describing
|
||||
a single pin multiplexing configuration.
|
||||
|
||||
pincontroller {
|
||||
state_0_node_a {
|
||||
pinmux = <PIN_ID_AND_MUX>, <PIN_ID_AND_MUX>, ...;
|
||||
pinmux = <PINMUX_GROUP>, <PINMUX_GROUP>, ...;
|
||||
};
|
||||
};
|
||||
|
||||
Each individual pin controller driver bindings documentation shall specify
|
||||
how those values (pin IDs and pin multiplexing configuration) are defined and
|
||||
assembled together.
|
||||
how pin IDs and pin multiplexing configuration are defined and assembled
|
||||
together in a pinmux group.
|
||||
|
||||
== Generic pin configuration node content ==
|
||||
|
||||
|
@ -306,7 +307,7 @@ arguments are described below.
|
|||
- pinmux takes a list of pin IDs and mux settings as required argument. The
|
||||
specific bindings for the hardware defines:
|
||||
- How pin IDs and mux settings are defined and assembled together in a single
|
||||
integer.
|
||||
integer or an array of integers.
|
||||
|
||||
- bias-pull-up, -down and -pin-default take as optional argument on hardware
|
||||
supporting it the pull strength in Ohm. bias-disable will disable the pull.
|
||||
|
|
Loading…
Reference in a new issue