[PATCH] ARM: dts: stm32: fix display pinmux for stm32f746-disco

Tom Rini trini at konsulko.com
Thu Jun 1 19:11:37 CEST 2023


On Thu, Jun 01, 2023 at 07:06:02PM +0200, Dario Binacchi wrote:
> 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 at amarulasolutions.com>
> 
> ---
> 
>  arch/arm/dts/stm32f746-disco-u-boot.dtsi | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm/dts/stm32f746-disco-u-boot.dtsi b/arch/arm/dts/stm32f746-disco-u-boot.dtsi
> index 19b5451db441..522cffb1ac9f 100644
> --- 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 at 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 */

Why is this whole stanza in a -u-boot.dtsi file and not an upstream
file?

-- 
Tom
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