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Minor (mostly) wording changes.

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This commit is contained in:
ian 2018-03-03 22:10:16 +00:00
parent 9b775b4141
commit 97829b536a
1 changed files with 9 additions and 12 deletions
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21
share/man/man9/fdt_pinctrl.9
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@ -28,7 +28,7 @@
.\"
.\" $FreeBSD$
.\"
.Dd March 2, 2018
.Dd March 3, 2018
.Dt fdt_pinctrl 9
.Os
.Sh NAME
@ -50,15 +50,17 @@ provides an API for manipulating I/O pin configurations on
pinmux controllers and pinmux clients.
On the controller side, the standard newbus probe and
attach methods are implemented.
This driver also implements the
.Fn fdt_pinctrl_configure
method, in which it calls the
As part of handling attach, it calls the
.Fn fdt_pinctrl_register
function to register itself as a pinmux controller.
Then
.Fn fdt_pinctrl_configure_tree
is used to walk the device tree and configure pins specified by the pinctrl-0
property for all active devices.
The driver also implements the
.Fn fdt_pinctrl_configure
method, which allows client devices to change their
pin configurations after startup.
If a client device requires a pin configuration change at some
point of its lifecycle, it uses the
.Fn fdt_pinctrl_configure
@ -84,14 +86,9 @@ registers a pinctrl driver so that it can be used by other devices which call
.Fn fdt_pinctrl_configure
or
.Fn fdt_pinctrl_configure_by_name .
The
.Fa pinprop
argument is the name of a property that
identifies each descendant of the pinctrl
node.
The pinctrl node is a pin configuration
node whose xref phandle can be passed to
.Fn FDT_PINCTRL_CONFIGURE .
It also registers each child node of the pinctrl driver's node which contains
a property with the name given in
.Fa pinprop .
If
.Fa pinprop
is