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[src/trunk]: src/share/man/man4 ssdfb(4): add an iic fdt attachment example also
details: https://anonhg.NetBSD.org/src/rev/c628fa8b2650
branches: trunk
changeset: 984951:c628fa8b2650
user: tnn <tnn%NetBSD.org@localhost>
date: Sun Aug 01 16:17:05 2021 +0000
description:
ssdfb(4): add an iic fdt attachment example also
diffstat:
share/man/man4/ssdfb.4 | 31 +++++++++++++++++++++++--------
1 files changed, 23 insertions(+), 8 deletions(-)
diffs (49 lines):
diff -r dd8d572338f2 -r c628fa8b2650 share/man/man4/ssdfb.4
--- a/share/man/man4/ssdfb.4 Sun Aug 01 15:52:11 2021 +0000
+++ b/share/man/man4/ssdfb.4 Sun Aug 01 16:17:05 2021 +0000
@@ -1,4 +1,4 @@
-.\" $NetBSD: ssdfb.4,v 1.5 2021/08/01 15:35:47 tnn Exp $
+.\" $NetBSD: ssdfb.4,v 1.6 2021/08/01 16:17:05 tnn Exp $
.\"
.\" Copyright (c) 2019 The NetBSD Foundation, Inc.
.\" All rights reserved.
@@ -95,17 +95,32 @@
.Xr wsconsctl 8
program.
.Sh EXAMPLES
-To attach an SSD1322 display using the 4-wire SPI interface on an
+To attach an SSD1322 display using the 4-wire
+.Xr spi 4
+interface on an
Allwinner A20 ARM single board computer, the following Device Tree overlay
can be used:
.Bd -literal -offset indent
&spi0 {
- ssdfb@0 {
- compatible = "solomon,ssd1322";
- reg = <0x00>;
- dc-gpio = <0x10 0x07 0x02 0x00>;
- status = "okay";
- };
+ ssdfb@0 {
+ compatible = "solomon,ssd1322";
+ reg = <0x00>;
+ dc-gpio = <0x10 0x07 0x02 0x00>;
+ status = "okay";
+ };
+};
+.Ed
+.Pp
+To attach an SSD1306 display using the
+.Xr iic 4
+interface on the same board, use:
+.Bd -literal -offset indent
+&i2c2 {
+ ssdfb@3c {
+ compatible = "solomon,ssd1306fb-i2c";
+ reg = <0x3c>;
+ status = "okay";
+ };
};
.Ed
.Sh SEE ALSO
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