ARM: dts: stm32: fix display pinmux for stm32f746-disco

As reported by the datasheet (DocID027590 Rev 4) for PG12:
- AF9  -> LCD_B4
- AF14 -> LCD_B1

So replace AF14 with AF9 for PG12 in the dts.

Fixes: fe63d3cfb77ef ("ARM: dts: stm32: Sync DT with v4.20 kernel for stm32f7")
Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>

diff --git a/arch/arm/dts/stm32f746-disco-u-boot.dtsi b/arch/arm/dts/stm32f746-disco-u-boot.dtsi
index 19b5451db441b45cee41c7dfc100f86cf81ef8fd..522cffb1ac9f5fbe69bd315bead99ea35f270157 100644 (file)
--- a/arch/arm/dts/stm32f746-disco-u-boot.dtsi
+++ b/arch/arm/dts/stm32f746-disco-u-boot.dtsi
@@ -169,7 +169,7 @@
        ltdc_pins: ltdc@0 {
                pins {
                        pinmux = <STM32_PINMUX('E', 4, AF14)>, /* B0 */
-                                <STM32_PINMUX('G',12, AF14)>, /* B4 */
+                                <STM32_PINMUX('G',12, AF9)>,  /* B4 */
                                 <STM32_PINMUX('I', 9, AF14)>, /* VSYNC */
                                 <STM32_PINMUX('I',10, AF14)>, /* HSYNC */
                                 <STM32_PINMUX('I',14, AF14)>, /* CLK */