Re: [PATCH 2/3] ARM: dts: stm32: add STM32MP1-based Linux Automation MC-1 board

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Hi Lucas

On 3/2/20 11:18 AM, Lucas Stach wrote:
On Mo, 2020-03-02 at 11:06 +0100, Alexandre Torgue wrote:
Hi Ahmad

Thanks for adding a new STM32 board. Some minor comments.

On 2/26/20 3:38 PM, Ahmad Fatoum wrote:
The Linux Automation MC-1 is a SBC built around the Octavo Systems
OSD32MP15x SiP. The SiP features up to 1 GB DDR3 RAM, EEPROM and
a PMIC. The board has eMMC and a SD slot for storage and GbE
for both connectivity and power.

Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx
---
[...]
+
+&gpu {
+	status = "okay";
+};

This question is more to the ST guys than this specific DT: Why is the
GPU marked as disabled in the SoC dtsi file? This device is always
present on the SoC and AFAICS there are no board level dependencies, so
there is no reason to have it disabled by default, right? Removing the
status property from the dtsi would remove the need for this override
on the board DT.

You are right. With new stm32 device tree diversity, it makes no longer sens to disable GPU node in stm32mp157 dtsi file. Indeed, we use now dedicated files for each SoC (stm32mp151 / stm32mp153 /stm32mp157).

Ahmad, can you add this modification in your series please ?

regards
Alex



Regards,
Lucas




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