This is standalone patch for the harware semaphore feature for brcnstb SoCs. The initial patch was sent as part of different patch set shown below. That was not accepted, however the hwspinlock feature is geenric for all brcmstb SoCs.
Intial patch: url: https://github.com/intel-lab-lkp/linux/commits/Kamal-Dasu/dt-bindings-brcmstb-hwspinlock-support-for-hwspinlock/20250712-034624 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next patch link: https://lore.kernel.org/r/20250711154221.928164-4-kamal.dasu%40broadcom.com patch subject: [PATCH 2/4] hwspinlock: brcmstb hardware semaphore support All the review comments and build warning have been fixed in the current version. Kamal Dasu (3): dt-bindings: hwlock: Adding brcmstb-hwspinlock support hwspinlock: brcmstb hardware semaphore support MAINTAINERS: adding entry for BRCMSTB HWSPINLOCK driver .../hwlock/brcm,brcmstb-hwspinlock.yaml | 36 +++++++ MAINTAINERS | 8 ++ drivers/hwspinlock/Kconfig | 9 ++ drivers/hwspinlock/Makefile | 1 + drivers/hwspinlock/brcmstb_hwspinlock.c | 98 +++++++++++++++++++ 5 files changed, 152 insertions(+) create mode 100644 Documentation/devicetree/bindings/hwlock/brcm,brcmstb-hwspinlock.yaml create mode 100644 drivers/hwspinlock/brcmstb_hwspinlock.c -- 2.34.1
