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new 629d0fe356d arch/[risc-v|xtensa]: Re-add `RMT_LOOP_TEST_MODE` Kconfig
entry
629d0fe356d is described below
commit 629d0fe356d0e336fa5b7b998e6846ac748f7e31
Author: Tiago Medicci Serrano <[email protected]>
AuthorDate: Mon Apr 20 18:03:25 2026 -0300
arch/[risc-v|xtensa]: Re-add `RMT_LOOP_TEST_MODE` Kconfig entry
The PR #18654 removed the Kconfig option `RMT_LOOP_TEST_MODE` used
by Espressif's RMT peripheral. This commit reintroduces it as a
lower-half driver interface used to enable internal loopback tests.
Signed-off-by: Tiago Medicci Serrano <[email protected]>
---
arch/risc-v/src/common/espressif/Kconfig | 9 +++++++++
arch/xtensa/src/common/espressif/Kconfig | 9 +++++++++
2 files changed, 18 insertions(+)
diff --git a/arch/risc-v/src/common/espressif/Kconfig
b/arch/risc-v/src/common/espressif/Kconfig
index c883ef4a141..b6270a4102e 100644
--- a/arch/risc-v/src/common/espressif/Kconfig
+++ b/arch/risc-v/src/common/espressif/Kconfig
@@ -1662,6 +1662,15 @@ config ESP_RMT
format, RMT can be extended to a versatile and general-purpose
transceiver, transmitting or receiving many other types of
signals.
+config RMT_LOOP_TEST_MODE
+ bool "Enable RMT loop test pin mapping"
+ default n
+ depends on ESP_RMT
+ ---help---
+ Use a loop test pin mapping for RMT RX/TX.
+ When enabled, board pin definitions can route RX/TX to the same
+ GPIO for loopback testing without external wiring.
+
if ESP_RMT
config RMT_DEFAULT_RX_BUFFER_SIZE
diff --git a/arch/xtensa/src/common/espressif/Kconfig
b/arch/xtensa/src/common/espressif/Kconfig
index 3a9b16cd316..16acce2297b 100644
--- a/arch/xtensa/src/common/espressif/Kconfig
+++ b/arch/xtensa/src/common/espressif/Kconfig
@@ -77,6 +77,15 @@ config ESP_RMT
format, RMT can be extended to a versatile and general-purpose
transceiver, transmitting or receiving many other types of
signals.
+config RMT_LOOP_TEST_MODE
+ bool "Enable RMT loop test pin mapping"
+ default n
+ depends on ESP_RMT
+ ---help---
+ Use a loop test pin mapping for RMT RX/TX.
+ When enabled, board pin definitions can route RX/TX to the same
+ GPIO for loopback testing without external wiring.
+
if ESP_RMT
config RMT_DEFAULT_RX_BUFFER_SIZE
