aboutsummaryrefslogtreecommitdiff
path: root/board
diff options
context:
space:
mode:
authorMarcel Ziswiler2019-09-12 11:12:52 +0200
committerTom Warren2020-12-04 13:21:15 -0700
commitbfe682e9ddbd8d13903f5e51452d8bff07706f85 (patch)
treeb5f1a3991412d65d9e6e46f12c5ca74316282b6b /board
parentee1e04558ff8c8ed812b986939447f129bb0b0bb (diff)
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>
Diffstat (limited to 'board')
-rw-r--r--board/toradex/apalis_t30/pinmux-config-apalis_t30.h2
-rw-r--r--board/toradex/colibri_t30/pinmux-config-colibri_t30.h2
2 files changed, 4 insertions, 0 deletions
diff --git a/board/toradex/apalis_t30/pinmux-config-apalis_t30.h b/board/toradex/apalis_t30/pinmux-config-apalis_t30.h
index 49c2df7ab25..8d6696aaadb 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 bdbbf5e49a1..6181b506a42 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, \