From bfe682e9ddbd8d13903f5e51452d8bff07706f85 Mon Sep 17 00:00:00 2001 From: Marcel Ziswiler Date: Thu, 12 Sep 2019 11:12:52 +0200 Subject: 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 Reviewed-by: Igor Opaniuk Signed-off-by: Tom Warren --- 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 49c2df7..8d6696a 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 bdbbf5e..6181b50 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, \ -- cgit v1.1