Apparently several IPs found in the MesonX SoCs can be reset by programming a specific bit in a register in the so called AO (Always-On) domain. From the documentation released by Amlogic under NDA it is not clear which devices can be reset acting on this register. So far from the sources release by Amlogic it seems that at least two IPs use this register for reset: RTC and UART. Since I need it to reset the RTC, I wrote this small driver. v3: * few changes at comments * removed register offset v2: * removed useless comment * added platform_get_drvdata * removed owner field Carlo Caione (3): ARM: meson: reset: Add reset controller for MesonX SoCs ARM: meson: DTSI: Enable reset controller ARM: meson: docs: Add docs for MesonX reset controller .../bindings/reset/amlogic,meson6-rst-mgr-ao.txt | 14 +++ arch/arm/boot/dts/meson.dtsi | 6 + drivers/reset/Makefile | 1 + drivers/reset/reset-meson.c | 138 +++++++++++++++++++++ 4 files changed, 159 insertions(+) create mode 100644 Documentation/devicetree/bindings/reset/amlogic,meson6-rst-mgr-ao.txt create mode 100644 drivers/reset/reset-meson.c -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
