On 7/25/25 13:08, Clement LE GOFFIC wrote:
Hi Raphael,
On 7/25/25 12:04, Raphael Gallais-Pou wrote:
The LVDS is used on STM32MP2 as a display interface.
Add the LVDS node.
Signed-off-by: Raphael Gallais-Pou <raphael.gallais-...@foss.st.com>
---
arch/arm64/boot/dts/st/stm32mp255.dtsi | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/arch/arm64/boot/dts/st/stm32mp255.dtsi b/arch/arm64/boot/
dts/st/stm32mp255.dtsi
index
f689b47c5010033120146cf1954d6624c0270045..a4d965f785fa42c4597494010855aec7e1b9fdd1 100644
--- a/arch/arm64/boot/dts/st/stm32mp255.dtsi
+++ b/arch/arm64/boot/dts/st/stm32mp255.dtsi
@@ -6,6 +6,18 @@
#include "stm32mp253.dtsi"
&rifsc {
+ lvds: lvds@48060000 {
+ compatible = "st,stm32mp25-lvds";
For the compatible you now need one comaptible per SoC.
It means your compatible should look like : "st,stm32mp251-lvds".
This way, if on the 253 or 255 there is an issue you are able to easily
add match data in the driver with compatible "st,stm32mp253-lvds" or
"st,stm32mp255-lvds".
A prior discussion on this subject has been raised on my V1 of HDP
involving Krzysztof and Alexandre :
https://lore.kernel.org/all/418a80a9-8c08-4dd1-
bf49-1bd737832...@kernel.org/
Woops, this comment should target the add of the ltdc compatible as I
see that lvds one already exists and can't be changed.
Though the main idea is here.
+ #clock-cells = <0>;
+ reg = <0x48060000 0x2000>;
+ clocks = <&rcc CK_BUS_LVDS>, <&rcc CK_KER_LVDSPHY>;
+ clock-names = "pclk", "ref";
+ resets = <&rcc LVDS_R>;
+ access-controllers = <&rifsc 84>;
+ power-domains = <&CLUSTER_PD>;
+ status = "disabled";
+ };
+
vdec: vdec@480d0000 {
compatible = "st,stm32mp25-vdec";
reg = <0x480d0000 0x3c8>;
Best regards,
Clément
