Declare the M4 remote processor in a sub-node of the ahb simple bus. Signed-off-by: Fabien Dessenne <fabien.dessenne@xxxxxx> --- arch/arm/boot/dts/stm32mp157c.dtsi | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/arch/arm/boot/dts/stm32mp157c.dtsi b/arch/arm/boot/dts/stm32mp157c.dtsi index c664b55..105e21f 100644 --- a/arch/arm/boot/dts/stm32mp157c.dtsi +++ b/arch/arm/boot/dts/stm32mp157c.dtsi @@ -1242,4 +1242,25 @@ status = "disabled"; }; }; + + mlahb: mlahb@0 { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x00000000 0x38000000 0x10000>, + <0x10000000 0x10000000 0x60000>, + <0x30000000 0x30000000 0x60000>; + + m4_rproc: m4@0 { + compatible = "st,stm32mp1-rproc"; + reg = <0x00000000 0x10000>, + <0x10000000 0x40000>, + <0x30000000 0x40000>; + resets = <&rcc MCU_R>; + reset-names = "mcu_rst"; + st,syscfg-holdboot = <&rcc 0x10C 0x1>; + st,syscfg-tz = <&rcc 0x000 0x1>; + status = "disabled"; + }; + }; }; -- 2.7.4