On 3/6/25 15:15, Patrice CHOTARD wrote:
>
>
> On 3/6/25 11:56, Cheick Traore wrote:
>> The pwm source TIM1_CH3N channel (on PE12) in inverted polarity mode
>> will be used to manage the brightness of the panel backlight on
>> STM32MP135F-DK.
>>
>> Signed-off-by: Cheick Traore <cheick.tra...@foss.st.com>
>> ---
>>
>> arch/arm/dts/stm32mp13-pinctrl.dtsi | 15 +++++++++++++++
>> arch/arm/dts/stm32mp135f-dk.dts | 14 ++++++++++++++
>> 2 files changed, 29 insertions(+)
>>
>> diff --git a/arch/arm/dts/stm32mp13-pinctrl.dtsi
>> b/arch/arm/dts/stm32mp13-pinctrl.dtsi
>> index c01d39f03ea..52c2a9f24d7 100644
>> --- a/arch/arm/dts/stm32mp13-pinctrl.dtsi
>> +++ b/arch/arm/dts/stm32mp13-pinctrl.dtsi
>> @@ -215,6 +215,21 @@
>> };
>> };
>>
>> + pwm1_ch3n_pins_a: pwm1-ch3n-0 {
>> + pins {
>> + pinmux = <STM32_PINMUX('E', 12, AF1)>; /* TIM1_CH3N */
>> + bias-pull-down;
>> + drive-push-pull;
>> + slew-rate = <0>;
>> + };
>> + };
>> +
>> + pwm1_ch3n_sleep_pins_a: pwm1-ch3n-sleep-0 {
>> + pins {
>> + pinmux = <STM32_PINMUX('E', 12, ANALOG)>; /* TIM1_CH3N
>> */
>> + };
>> + };
>> +
>> pwm3_pins_a: pwm3-0 {
>> pins {
>> pinmux = <STM32_PINMUX('B', 1, AF2)>; /* TIM3_CH4 */
>> diff --git a/arch/arm/dts/stm32mp135f-dk.dts
>> b/arch/arm/dts/stm32mp135f-dk.dts
>> index eea740d097c..275823da3c6 100644
>> --- a/arch/arm/dts/stm32mp135f-dk.dts
>> +++ b/arch/arm/dts/stm32mp135f-dk.dts
>> @@ -9,6 +9,7 @@
>> #include <dt-bindings/gpio/gpio.h>
>> #include <dt-bindings/input/input.h>
>> #include <dt-bindings/leds/common.h>
>> +#include <dt-bindings/pwm/pwm.h>
>> #include <dt-bindings/regulator/st,stm32mp13-regulator.h>
>> #include "stm32mp135.dtsi"
>> #include "stm32mp13xf.dtsi"
>> @@ -207,6 +208,19 @@
>> status = "disabled";
>> };
>>
>> +&timers1 {
>> + /* spare dmas for other usage */
>> + /delete-property/dmas;
>> + /delete-property/dma-names;
>> + status = "okay";
>> + pwm1: pwm {
>> + pinctrl-0 = <&pwm1_ch3n_pins_a>;
>> + pinctrl-1 = <&pwm1_ch3n_sleep_pins_a>;
>> + pinctrl-names = "default", "sleep";
>> + status = "okay";
>> + };
>> +};
>> +
>> &timers3 {
>> /delete-property/dmas;
>> /delete-property/dma-names;
>
>
> Reviewed-by: Patrice Chotard <patrice.chot...@foss.st.com>
>
> Thanks
> Patrice
Applied to u-boot-stm32/next
Thanks
Patrice
