Author: ian
Date: Sat Mar 3 21:41:16 2018
New Revision: 330358
URL: https://svnweb.freebsd.org/changeset/base/330358
Log:
Minor changes to wording.
Modified:
head/share/man/man4/fdt_pinctrl.4
Modified: head/share/man/man4/fdt_pinctrl.4
==============================================================================
--- head/share/man/man4/fdt_pinctrl.4 Sat Mar 3 21:23:31 2018
(r330357)
+++ head/share/man/man4/fdt_pinctrl.4 Sat Mar 3 21:41:16 2018
(r330358)
@@ -24,7 +24,7 @@
.\"
.\" $FreeBSD$
.\"
-.Dd March 2, 2018
+.Dd March 3, 2018
.Dt "FDT_PINCTRL" 4
.Os
.Sh NAME
@@ -36,13 +36,13 @@
.Pp
Pin multiplexing is a technology used to re-purpose a single
physical connection (depending on chip packaging it may be
-pin, ball, or pad) to pull signal from one of SoC internal
-controllers to peripheral devices.
+pin, ball, or pad) by routing its signal to any one of several
+different SoC internal devices.
For example, based on the actual device design, a single SoC chip
-pin can perform any of these roles: SPI clock, I2C
+pin might perform any of these roles: SPI clock, I2C
data, GPIO pin, or PWM signal.
Function selection is performed by the pinmux controller, a SoC
-hardware block, usually controlled a set of registers.
+hardware block which is usually controlled by a set of registers.
Pinmux controller capabilities and register format depend
on the actual hardware implementation.
.Pp
@@ -104,11 +104,11 @@ backlight@7f000000 {
}
.Ed
.Pp
-The pinctrl driver should implement FDT_PINCTRL_CONFIGURE
-method, register itself as pin configuration handler by
+The pinctrl driver should implement the FDT_PINCTRL_CONFIGURE
+method, register itself as a pin configuration handler by
calling fdt_pinctrl_register function, and call
.Xr fdt_pinctrl_configure_tree 9
-to configure pins for all enabled devices (device where
+to configure pins for all enabled devices (devices where
the "status" property is not set to "disabled").
.Sh SEE ALSO
.Xr fdt_pinctrl 9
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