[PATCH] ARM: dts: stm32: Fix STM32MP15xx DHSOM boot breakage due to ETZPC

Patrice CHOTARD patrice.chotard at foss.st.com
Mon Nov 17 07:57:09 CET 2025



On 10/27/25 17:37, Patrice CHOTARD wrote:
> 
> 
> On 10/23/25 23:46, Marek Vasut wrote:
>> Switch etzpc bus to simple-bus to prevent breakage on non-TFA systems.
>> This fixes boot of every STM32MP15xx DHSOM device.
>>
>> Fixes: ad3cdc677dda ("ARM: stm32mp: add ETZPC system bus driver for STM32MP1")
>> Signed-off-by: Marek Vasut <marek.vasut at mailbox.org>
>> ---
>> Cc: Patrice Chotard <patrice.chotard at foss.st.com>
>> Cc: Patrick Delaunay <patrick.delaunay at foss.st.com>
>> Cc: Tom Rini <trini at konsulko.com>
>> Cc: u-boot at dh-electronics.com
>> Cc: u-boot at lists.denx.de
>> Cc: uboot-stm32 at st-md-mailman.stormreply.com
>> ---
>>  arch/arm/dts/stm32mp15xx-dhsom-u-boot.dtsi | 4 ++++
>>  1 file changed, 4 insertions(+)
>>
>> diff --git a/arch/arm/dts/stm32mp15xx-dhsom-u-boot.dtsi b/arch/arm/dts/stm32mp15xx-dhsom-u-boot.dtsi
>> index 386c605c07f..ed2629f379a 100644
>> --- a/arch/arm/dts/stm32mp15xx-dhsom-u-boot.dtsi
>> +++ b/arch/arm/dts/stm32mp15xx-dhsom-u-boot.dtsi
>> @@ -51,3 +51,7 @@
>>  		};
>>  	};
>>  };
>> +
>> +&etzpc {
>> +	compatible = "simple-bus";
>> +};
> 
> 
> Hi 
> 
> Reviewed-by: Patrice Chotard <patrice.chotard at foss.st.com>
> 
> Thanks
> Patrice
Applied to u-boot-stm32/master

Thanks
Patrice


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