[PATCH 11/13] ARM: dts: stm32: fix LTDC port node on STM32 MCU ad MPU
Marek Vasut
marex at denx.de
Thu Apr 15 14:21:26 BST 2021
On 4/15/21 12:10 PM, Alexandre Torgue wrote:
> Running "make dtbs_check W=1", some warnings are reported concerning
> LTDC port subnode:
>
> /soc/display-controller at 5a001000/port:
> unnecessary #address-cells/#size-cells without "ranges" or child "reg"
> property
> /soc/display-controller at 5a001000/port: graph node has single child node
> 'endpoint', #address-cells/#size-cells are not necessary
btw could you retain diffstat on your patches ? It's useful to see which
files changed right away.
[...]
> diff --git a/arch/arm/boot/dts/stm32mp157c-dk2.dts b/arch/arm/boot/dts/stm32mp157c-dk2.dts
> index 2bc92ef3aeb9..19ef475a48fc 100644
> --- a/arch/arm/boot/dts/stm32mp157c-dk2.dts
> +++ b/arch/arm/boot/dts/stm32mp157c-dk2.dts
> @@ -82,9 +82,15 @@
> };
>
> <dc {
> - status = "okay";
> -
> port {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + ltdc_ep0_out: endpoint at 0 {
> + reg = <0>;
> + remote-endpoint = <&sii9022_in>;
> + };
> +
> ltdc_ep1_out: endpoint at 1 {
> reg = <1>;
> remote-endpoint = <&dsi_in>;
[...]
> diff --git a/arch/arm/boot/dts/stm32mp15xx-dhcor-avenger96.dtsi b/arch/arm/boot/dts/stm32mp15xx-dhcor-avenger96.dtsi
> index 64dca5b7f748..e7f10975cacf 100644
> --- a/arch/arm/boot/dts/stm32mp15xx-dhcor-avenger96.dtsi
> +++ b/arch/arm/boot/dts/stm32mp15xx-dhcor-avenger96.dtsi
> @@ -277,11 +277,7 @@
> status = "okay";
>
> port {
> - #address-cells = <1>;
> - #size-cells = <0>;
> -
> - ltdc_ep0_out: endpoint at 0 {
> - reg = <0>;
> + ltdc_ep0_out: endpoint {
> remote-endpoint = <&adv7513_in>;
> };
> };
I think this is wrong, the AV96 can have two displays connected to two
ports of the LTDC, just like DK2 for example.
More information about the linux-arm-kernel
mailing list