This patch series introduces and documents power management (PM) support and the AON firmware driver for the T-Head TH1520 SoC, as used on the LicheePi 4A board. While part of a larger effort to enable the Imagination BXM-4-64 GPU upstream, these patches can merge independently. Bigger series cover letter: https://lore.kernel.org/all/20250219140239.1378758-1-m.wilczynski@xxxxxxxxxxx/ Michal Wilczynski (5): dt-bindings: firmware: thead,th1520: Add support for firmware node firmware: thead: Add AON firmware protocol driver dt-bindings: power: Add TH1520 SoC power domains pmdomain: thead: Add power-domain driver for TH1520 riscv: Enable PM_GENERIC_DOMAINS for T-Head SoCs .../bindings/firmware/thead,th1520-aon.yaml | 53 ++++ MAINTAINERS | 5 + arch/riscv/Kconfig.socs | 1 + drivers/firmware/Kconfig | 9 + drivers/firmware/Makefile | 1 + drivers/firmware/thead,th1520-aon.c | 247 ++++++++++++++++++ drivers/pmdomain/Kconfig | 1 + drivers/pmdomain/Makefile | 1 + drivers/pmdomain/thead/Kconfig | 12 + drivers/pmdomain/thead/Makefile | 2 + drivers/pmdomain/thead/th1520-pm-domains.c | 209 +++++++++++++++ .../dt-bindings/power/thead,th1520-power.h | 19 ++ .../linux/firmware/thead/thead,th1520-aon.h | 200 ++++++++++++++ 13 files changed, 760 insertions(+) create mode 100644 Documentation/devicetree/bindings/firmware/thead,th1520-aon.yaml create mode 100644 drivers/firmware/thead,th1520-aon.c create mode 100644 drivers/pmdomain/thead/Kconfig create mode 100644 drivers/pmdomain/thead/Makefile create mode 100644 drivers/pmdomain/thead/th1520-pm-domains.c create mode 100644 include/dt-bindings/power/thead,th1520-power.h create mode 100644 include/linux/firmware/thead/thead,th1520-aon.h -- 2.34.1
