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sysreset: add Qualcomm PSHOLD reset driver

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Number of Qualcomm ARMv7 SoC-s did not use PSCI but rather used PSHOLD
(Qualcomm Power Supply Hold Reset) bit to trigger reset or poweroff.

Qualcomm IPQ40XX is one of them, so provide a simple sysreset driver based
on the upstream Linux one, it is DT compatible as well.

Signed-off-by: Robert Marko <robert.marko@sartura.hr>
Reviewed-by: Caleb Connolly <caleb.connolly@linaro.org>
Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
This commit is contained in:
Robert Marko
2024-05-14 12:15:02 +02:00
committed by Caleb Connolly
parent 9b3a9f896e
commit 86cc012207
3 changed files with 62 additions and 0 deletions
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6
drivers/sysreset/Kconfig
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@@ -240,6 +240,12 @@ config SYSRESET_RAA215300
help
Add support for the system reboot via the Renesas RAA215300 PMIC.
config SYSRESET_QCOM_PSHOLD
bool "Support sysreset for Qualcomm SoCs via PSHOLD"
depends on ARCH_IPQ40XX
help
Add support for the system reboot on Qualcomm SoCs via PSHOLD.
endif
endmenu