From: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Date: Thu, 12 Sep 2019 09:12:52 +0000 (+0200)
Subject: apalis/colibri_t30: add comment about tristate and input vs. output pinmuxing
X-Git-Tag: v2025.01-rc5-pxa1908~2107^2~7
X-Git-Url: http://git.dujemihanovic.xyz/%22http:/www.sics.se/static/%7B%7B%20%24.Site.BaseURL%20%7D%7Dposts/%7B%7B%20.Permalink%20%7D%7D?a=commitdiff_plain;h=bfe682e9ddbd8d13903f5e51452d8bff07706f85;p=u-boot.git

apalis/colibri_t30: add comment about tristate and input vs. output pinmuxing

Add pinmuxing comment stating that TRISTATE means the output driver is
tri-stated and INPUT means the input driver is enabled vs. OUTPUT where
it is disabled.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Reviewed-by: Igor Opaniuk <igor.opaniuk@toradex.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>
---

diff --git a/board/toradex/apalis_t30/pinmux-config-apalis_t30.h b/board/toradex/apalis_t30/pinmux-config-apalis_t30.h
index 49c2df7ab2..8d6696aaad 100644
--- a/board/toradex/apalis_t30/pinmux-config-apalis_t30.h
+++ b/board/toradex/apalis_t30/pinmux-config-apalis_t30.h
@@ -11,7 +11,9 @@
 		.pingrp		= PMUX_PINGRP_##_pingrp,	\
 		.func		= PMUX_FUNC_##_mux,		\
 		.pull		= PMUX_PULL_##_pull,		\
+/* TRISTATE here means output driver is tri-stated */ \
 		.tristate	= PMUX_TRI_##_tri,		\
+/* INPUT here means input driver is enabled vs. OUTPUT where it is disabled */ \
 		.io		= PMUX_PIN_##_io,		\
 		.lock		= PMUX_PIN_LOCK_DEFAULT,	\
 		.od		= PMUX_PIN_OD_DEFAULT,		\
diff --git a/board/toradex/colibri_t30/pinmux-config-colibri_t30.h b/board/toradex/colibri_t30/pinmux-config-colibri_t30.h
index bdbbf5e49a..6181b506a4 100644
--- a/board/toradex/colibri_t30/pinmux-config-colibri_t30.h
+++ b/board/toradex/colibri_t30/pinmux-config-colibri_t30.h
@@ -11,7 +11,9 @@
 		.pingrp		= PMUX_PINGRP_##_pingrp,	\
 		.func		= PMUX_FUNC_##_mux,		\
 		.pull		= PMUX_PULL_##_pull,		\
+/* TRISTATE here means output driver is tri-stated */ \
 		.tristate	= PMUX_TRI_##_tri,		\
+/* INPUT here means input driver is enabled vs. OUTPUT where it is disabled */ \
 		.io		= PMUX_PIN_##_io,		\
 		.lock		= PMUX_PIN_LOCK_DEFAULT,	\
 		.od		= PMUX_PIN_OD_DEFAULT,		\