diff mbox series

[v2,5/6] arm64: dts: st: add lvds support on stm32mp255

Message ID 20240111104049.38695-6-raphael.gallais-pou@foss.st.com (mailing list archive)
State New, archived
Headers show
Series Introduce STM32 LVDS driver | expand

Commit Message

Raphael Gallais-Pou Jan. 11, 2024, 10:40 a.m. UTC 
This patch adds LVDS support on stm32mp255.  The LVDS is used on
STM32MP2 as a display interface.  LVDS PLL clock is binded to the LTDC
input clock.

Signed-off-by: Raphael Gallais-Pou <raphael.gallais-pou@foss.st.com>
---
Changes in v2:
	- Move patch to stm32mp255.dtsi after internal discussions
---
 arch/arm64/boot/dts/st/stm32mp255.dtsi | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/st/stm32mp255.dtsi b/arch/arm64/boot/dts/st/stm32mp255.dtsi
index e6fa596211f5..ac46a7dbed2d 100644
--- a/arch/arm64/boot/dts/st/stm32mp255.dtsi
+++ b/arch/arm64/boot/dts/st/stm32mp255.dtsi
@@ -7,3 +7,20 @@ 
 
 / {
 };
+
+&ltdc {
+	clocks = <&rcc CK_BUS_LTDC>, <&rcc CK_KER_LTDC>, <&lvds 0>;
+	clock-names = "bus", "lcd", "lvds";
+};
+
+&rifsc {
+	lvds: lvds@48060000 {
+		#clock-cells = <0>;
+		compatible = "st,stm32-lvds";
+		reg = <0x48060000 0x2000>;
+		clocks = <&rcc CK_BUS_LVDS>, <&rcc CK_KER_LVDSPHY>;
+		clock-names = "pclk", "ref";
+		resets = <&rcc LVDS_R>;
+		status = "disabled";
+	};
+};