[PATCH] ARM: dts: stm32mp135f-dk: Document output pins for PWMs

[Uwe Kleine-König]

To simplify identifying the pins where the PWM output is routed to,
add a comment to each PWM device about the respective pin on the
expansion connector.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig at baylibre.com>
---
 arch/arm/boot/dts/st/stm32mp135f-dk.dts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/boot/dts/st/stm32mp135f-dk.dts b/arch/arm/boot/dts/st/stm32mp135f-dk.dts
index 567e53ad285f..f1b50e4c1059 100644
--- a/arch/arm/boot/dts/st/stm32mp135f-dk.dts
+++ b/arch/arm/boot/dts/st/stm32mp135f-dk.dts
@@ -273,6 +273,7 @@ &timers3 {
 	/delete-property/dma-names;
 	status = "disabled";
 	pwm {
+		/* PWM output on pin 7 of the expansion connector (CN8.7) using TIM3_CH4 function */
 		pinctrl-0 = <&pwm3_pins_a>;
 		pinctrl-1 = <&pwm3_sleep_pins_a>;
 		pinctrl-names = "default", "sleep";
@@ -288,6 +289,7 @@ &timers4 {
 	/delete-property/dma-names;
 	status = "disabled";
 	pwm {
+		/* PWM output on pin 31 of the expansion connector (CN8.31) using TIM4_CH2 function */
 		pinctrl-0 = <&pwm4_pins_a>;
 		pinctrl-1 = <&pwm4_sleep_pins_a>;
 		pinctrl-names = "default", "sleep";
@@ -303,6 +305,7 @@ &timers8 {
 	/delete-property/dma-names;
 	status = "disabled";
 	pwm {
+		/* PWM output on pin 32 of the expansion connector (CN8.32) using TIM8_CH3 function */
 		pinctrl-0 = <&pwm8_pins_a>;
 		pinctrl-1 = <&pwm8_sleep_pins_a>;
 		pinctrl-names = "default", "sleep";
@@ -316,6 +319,7 @@ timer at 7 {
 &timers14 {
 	status = "disabled";
 	pwm {
+		/* PWM output on pin 33 of the expansion connector (CN8.33) using TIM14_CH1 function */
 		pinctrl-0 = <&pwm14_pins_a>;
 		pinctrl-1 = <&pwm14_sleep_pins_a>;
 		pinctrl-names = "default", "sleep";

base-commit: 1613e604df0cd359cf2a7fbd9be7a0bcfacfabd0
-- 
2.43.0