[PATCH v5 1/3] dt-bindings: hwlock: Adding brcmstb-hwspinlock support
Krzysztof Kozlowski
krzk at kernel.org
Mon Feb 23 23:07:50 PST 2026
On Mon, Feb 23, 2026 at 08:47:56PM -0500, Kamal Dasu wrote:
> The Broadcom settop SoCs have hardware semaphores as part of the
> "sundry" IP block which has other controls that do not belong anywhere
> else e.g. pin/mux controls, SoC identification, drive strength, reset
> controls, and other misc bits are part of this block.
>
> Adding brcmstb-hwspinlock bindings which allows the hwspinlock driver
> to iomap only the 16 hardware semaphore registers that are part of all
> settop SoCs. The semaphore registers are based on the BCM7038 SoC
> where they were first introduced in settop chips.
>
> Signed-off-by: Kamal Dasu <kamal.dasu at broadcom.com>
> ---
> .../hwlock/brcm,brcmstb-hwspinlock.yaml | 45 +++++++++++++++++++
> 1 file changed, 45 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/hwlock/brcm,brcmstb-hwspinlock.yaml
>
> diff --git a/Documentation/devicetree/bindings/hwlock/brcm,brcmstb-hwspinlock.yaml b/Documentation/devicetree/bindings/hwlock/brcm,brcmstb-hwspinlock.yaml
> new file mode 100644
> index 000000000000..416d8d2948af
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/hwlock/brcm,brcmstb-hwspinlock.yaml
Now filename does not match the compatible. You must always CHANGE ALL
places, compatible, ID and filename. Please read writing-bindings
document.
Best regards,
Krzysztof
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