Re: [PATCH v2 2/2] ARM: dts: stm32: support child mfd cells for the stm32mp1 TAMP syscon

2020-11-17 Thread Alexandre Torgue
Hi Ahmad On 10/21/20 12:28 PM, Ahmad Fatoum wrote: The stm32mp1 TAMP peripheral has 32 backup registers that survive a warm reset. This makes them suitable for storing a reboot mode, which the vendor's kernel tree is already doing[0]. The actual syscon-reboot-mode child node can be added by a

[PATCH v2 2/2] ARM: dts: stm32: support child mfd cells for the stm32mp1 TAMP syscon

2020-10-21 Thread Ahmad Fatoum
The stm32mp1 TAMP peripheral has 32 backup registers that survive a warm reset. This makes them suitable for storing a reboot mode, which the vendor's kernel tree is already doing[0]. The actual syscon-reboot-mode child node can be added by a board.dts or fixed up by the bootloader. For the child