[PATCH v3 3/3] ARM: dts: stm32: add rcc node for STM32MP13

[Patrick Delaunay]

Add the RCC node, not yet in Linux kernel device tree
to handle the U-Boot RCC drivers with the needed U-Boot
property "u-boot,dm-pre-reloc" property as the clock and reset drivers
are required during pre-location.


Signed-off-by: Patrick Delaunay <patrick.delaunay at foss.st.com>
Reviewed-by: Patrice Chotard <patrice.chotard at foss.st.com>
---

(no changes since v1)

 arch/arm/dts/stm32mp13-u-boot.dtsi | 4 ++++
 arch/arm/dts/stm32mp131.dtsi       | 7 +++++++
 2 files changed, 11 insertions(+)

diff --git a/arch/arm/dts/stm32mp13-u-boot.dtsi b/arch/arm/dts/stm32mp13-u-boot.dtsi
index 1b5b358690..126f282816 100644
--- a/arch/arm/dts/stm32mp13-u-boot.dtsi
+++ b/arch/arm/dts/stm32mp13-u-boot.dtsi
@@ -86,6 +86,10 @@
 	u-boot,dm-pre-reloc;
 };
 
+&rcc {
+	u-boot,dm-pre-reloc;
+};
+
 &syscfg {
 	u-boot,dm-pre-reloc;
 };
diff --git a/arch/arm/dts/stm32mp131.dtsi b/arch/arm/dts/stm32mp131.dtsi
index 950e172e45..fcb0af09b5 100644
--- a/arch/arm/dts/stm32mp131.dtsi
+++ b/arch/arm/dts/stm32mp131.dtsi
@@ -159,6 +159,13 @@
 			dma-channels = <16>;
 		};
 
+		rcc: rcc at 50000000 {
+			compatible = "st,stm32mp13-rcc", "syscon";
+			reg = <0x50000000 0x1000>;
+			#clock-cells = <1>;
+			#reset-cells = <1>;
+		};
+
 		exti: interrupt-controller at 5000d000 {
 			compatible = "st,stm32mp13-exti", "syscon";
 			interrupt-controller;
-- 
2.25.1