[RFC PATCH 2/5] ARM: dts: stm32: make the LTDC clock usable by the clock driver

[Patrice CHOTARD]

On 9/3/23 22:57, Dario Binacchi wrote:
> As described in [1], the "clocks" property contains "a phandle to the
> clock device node, an index selecting between gated clocks (0) and other
> clocks (1), and an index specifying the clock to use." The current version
> of the clock driver, unlike the kernel, is currently able to properly
> handle nodes with "clocks" properties with an index set to 0.
> 
> This patch is preparatory for future developments that require the use
> of the LTDC clock.
> 
> [1] Documentation/devicetree/bindings/clock/st,stm32-rcc.txt
> Signed-off-by: Dario Binacchi <dario.binacchi at amarulasolutions.com>
> ---
> 
>  arch/arm/dts/stm32f469-disco-u-boot.dtsi | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/arch/arm/dts/stm32f469-disco-u-boot.dtsi b/arch/arm/dts/stm32f469-disco-u-boot.dtsi
> index c07e2022e4a8..dcc70369cd0d 100644
> --- a/arch/arm/dts/stm32f469-disco-u-boot.dtsi
> +++ b/arch/arm/dts/stm32f469-disco-u-boot.dtsi
> @@ -134,6 +134,10 @@
>  	bootph-all;
>  };
>  
> +&ltdc {
> +	clocks = <&rcc 0 STM32F4_APB2_CLOCK(LTDC)>;
> +};
> +
>  &pinctrl {
>  	bootph-all;
>  

Reviewed-by: Patrice Chotard <patrice.chotard at foss.st.com>

Thanks
Patrice