From 2691978b16cda1f0285c95f98138fb267bb11ca7 Mon Sep 17 00:00:00 2001
From: xoviat <xoviat@users.noreply.github.com>
Date: Wed, 3 Dec 2025 16:10:07 -0600
Subject: doc

---
 embassy-stm32/src/timer/complementary_pwm.rs | 4 +---
 embassy-stm32/src/timer/low_level.rs         | 3 +++
 embassy-stm32/src/timer/simple_pwm.rs        | 4 +---
 3 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/embassy-stm32/src/timer/complementary_pwm.rs b/embassy-stm32/src/timer/complementary_pwm.rs
index 4f2ac4079..19211d933 100644
--- a/embassy-stm32/src/timer/complementary_pwm.rs
+++ b/embassy-stm32/src/timer/complementary_pwm.rs
@@ -219,9 +219,7 @@ impl<'d, T: AdvancedInstance4Channel> ComplementaryPwm<'d, T> {
     /// Generate a sequence of PWM waveform
     ///
     /// Note:
-    /// You will need to provide corresponding `TIMx_UP` DMA channel to use this method.
-    /// Also be aware that embassy timers use one of timers internally. It is possible to
-    /// switch this timer by using `time-driver-timX` feature.
+    /// The DMA channel provided does not need to correspond to the requested channel.
     pub async fn waveform<C: TimerChannel, W: Word + Into<T::Word>>(
         &mut self,
         dma: Peri<'_, impl super::Dma<T, C>>,
diff --git a/embassy-stm32/src/timer/low_level.rs b/embassy-stm32/src/timer/low_level.rs
index da1bfac5f..82e936f3a 100644
--- a/embassy-stm32/src/timer/low_level.rs
+++ b/embassy-stm32/src/timer/low_level.rs
@@ -686,6 +686,9 @@ impl<'d, T: GeneralInstance4Channel> Timer<'d, T> {
     }
 
     /// Generate a sequence of PWM waveform
+    ///
+    /// Note:
+    /// The DMA channel provided does not need to correspond to the requested channel.
     pub fn setup_channel_update_dma<'a, C: TimerChannel, W: Word + Into<T::Word>>(
         &mut self,
         dma: Peri<'a, impl super::Dma<T, C>>,
diff --git a/embassy-stm32/src/timer/simple_pwm.rs b/embassy-stm32/src/timer/simple_pwm.rs
index 3f050a366..9a5f0fd1d 100644
--- a/embassy-stm32/src/timer/simple_pwm.rs
+++ b/embassy-stm32/src/timer/simple_pwm.rs
@@ -340,9 +340,7 @@ impl<'d, T: GeneralInstance4Channel> SimplePwm<'d, T> {
     /// Generate a sequence of PWM waveform
     ///
     /// Note:
-    /// You will need to provide corresponding `TIMx_UP` DMA channel to use this method.
-    /// Also be aware that embassy timers use one of timers internally. It is possible to
-    /// switch this timer by using `time-driver-timX` feature.
+    /// The DMA channel provided does not need to correspond to the requested channel.
     pub async fn waveform<C: TimerChannel, W: Word + Into<T::Word>>(
         &mut self,
         dma: Peri<'_, impl super::Dma<T, C>>,
-- 
cgit