ARM: dts: stm32: Fix DH PDK2 display PWM channel

[ Upstream commit 57592d2a98dbc3bde3ddc062e91a8486bdcb211e ]

The display PWM channel is number 3 (PWM2 CH4), make it so.

Fixes: 34e0c7847dcf ("ARM: dts: stm32: Add DH Electronics DHCOM STM32MP1 SoM and PDK2 board")
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Cc: Patrice Chotard <patrice.chotard@st.com>
Cc: Patrick Delaunay <patrick.delaunay@st.com>
Cc: linux-stm32@st-md-mailman.stormreply.com
To: linux-arm-kernel@lists.infradead.org
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/arch/arm/boot/dts/stm32mp15xx-dhcom-pdk2.dtsi b/arch/arm/boot/dts/stm32mp15xx-dhcom-pdk2.dtsi
index 9cf6d90fbf69f159fdff98dce804116b0dd098c8..e4e3c92eb30d3a26ec83af23affb52c2dcb5ebe8 100644 (file)
--- a/arch/arm/boot/dts/stm32mp15xx-dhcom-pdk2.dtsi
+++ b/arch/arm/boot/dts/stm32mp15xx-dhcom-pdk2.dtsi
@@ -25,7 +25,7 @@
 
        display_bl: display-bl {
                compatible = "pwm-backlight";
-               pwms = <&pwm2 0 500000 PWM_POLARITY_INVERTED>;
+               pwms = <&pwm2 3 500000 PWM_POLARITY_INVERTED>;
                brightness-levels = <0 16 22 30 40 55 75 102 138 188 255>;
                default-brightness-level = <8>;
                enable-gpios = <&gpioi 0 GPIO_ACTIVE_HIGH>;