Declare the M4 remote processor in a sub-node of the mlahb simple bus.
Signed-off-by: Fabien Dessenne <fabien.desse...@st.com>
---
arch/arm/boot/dts/stm32mp157c.dtsi | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/arch/arm/boot/dts/stm32mp157c.dtsi
b/arch/arm/boot/dts/stm32mp157c.dtsi
index c664b55..39bbcda 100644
--- a/arch/arm/boot/dts/stm32mp157c.dtsi
+++ b/arch/arm/boot/dts/stm32mp157c.dtsi
@@ -1242,4 +1242,24 @@
status = "disabled";
};
};
+
+ mlahb {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ dma-ranges = <0x00000000 0x38000000 0x10000>,
+ <0x10000000 0x10000000 0x60000>,
+ <0x30000000 0x30000000 0x60000>;
+
+ m4_rproc: m4@10000000 {
+ compatible = "st,stm32mp1-m4";
+ reg = <0x10000000 0x40000>,
+ <0x30000000 0x40000>,
+ <0x38000000 0x10000>;
+ resets = <&rcc MCU_R>;
+ st,syscfg-holdboot = <&rcc 0x10C 0x1>;
+ st,syscfg-tz = <&rcc 0x000 0x1>;
+ status = "disabled";
+ };
+ };
};
--
2.7.4
