[PATCH v2 6/6] sunxi: Use sysreset framework for poweroff/reset

Samuel Holland samuel at sholland.org
Fri Oct 29 05:16:56 CEST 2021

Instead of hardcoding the watchdog for reset, and the PMIC for poweroff,
use the sysreset framework to manage the available poweroff/reset
backends. This allows (as examples) using the PMIC to do a cold reset,
and using a GPIO to power off H3/H5 boards lacking a PMIC. Furthermore,
it removes the need to hardcode watchdog MMIO addresses, since the
sysreset backends can be discovered using the device tree.

Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt at canonical.com>
Signed-off-by: Samuel Holland <samuel at sholland.org>

Changes in v2:
 - New patch

 arch/arm/Kconfig | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 02f8306f15..88a435796f 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1065,6 +1065,9 @@ config ARCH_SUNXI
 	imply SPL_MMC if MMC
 	imply SPL_POWER
 	imply SPL_SERIAL
+	imply SYSRESET
 	imply USB_GADGET
 	imply WDT

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