From: Marcel Ziswiler <marcel.ziswi...@toradex.com>

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.ziswi...@toradex.com>

---

 board/toradex/apalis_t30/pinmux-config-apalis_t30.h   | 2 ++
 board/toradex/colibri_t30/pinmux-config-colibri_t30.h | 2 ++
 2 files changed, 4 insertions(+)

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,          \
-- 
2.21.0

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