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apalis/colibri_t30: add comment about tristate and input vs. output pinmuxing
authorMarcel Ziswiler <marcel.ziswiler@toradex.com>
Thu, 12 Sep 2019 09:12:52 +0000 (11:12 +0200)
committerTom Warren <twarren@nvidia.com>
Fri, 4 Dec 2020 20:21:15 +0000 (13:21 -0700)
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>
board/toradex/apalis_t30/pinmux-config-apalis_t30.h patch | blob | history
board/toradex/colibri_t30/pinmux-config-colibri_t30.h patch | blob | history

diff --git a/board/toradex/apalis_t30/pinmux-config-apalis_t30.h b/board/toradex/apalis_t30/pinmux-config-apalis_t30.h
index 49c2df7..8d6696a 100644 (file)
--- 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 bdbbf5e..6181b50 100644 (file)
--- 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,          \
Domain: System / Kernel;