Commit f9e784dc authored by Wilken Gottwalt's avatar Wilken Gottwalt Committed by Bjorn Andersson
Browse files

dt-bindings: hwlock: add sun6i_hwspinlock 



Adds documentation on how to use the sun6i_hwspinlock driver for sun6i
compatible series SoCs.

Reviewed-by: default avatarSamuel Holland <samuel@sholland.org>
Acked-by: default avatarMaxime Ripard <maxime@cerno.tech>
Signed-off-by: default avatarWilken Gottwalt <wilken.gottwalt@posteo.net>
Link: https://lore.kernel.org/r/b7a1f5532e0ae474473858055fd9bbabff9e1449.1615713499.git.wilken.gottwalt@posteo.net


Signed-off-by: default avatarBjorn Andersson <bjorn.andersson@linaro.org>
parent 6efb943b

Documentation/devicetree/bindings/hwlock/allwinner,sun6i-a31-hwspinlock.yaml

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# SPDX-License-Identifier: (GPL-2.0-only or BSD-2-Clause)

%YAML 1.2

---

$id: http://devicetree.org/schemas/hwlock/allwinner,sun6i-hwspinlock.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#



title: SUN6I hardware spinlock driver for Allwinner sun6i compatible SoCs



maintainers:

  - Wilken Gottwalt <wilken.gottwalt@posteo.net>



description:

  The hardware unit provides semaphores between the ARM cores and the embedded

  companion core on the SoC.



properties:

  compatible:

    const: allwinner,sun6i-a31-hwspinlock



  reg:

    maxItems: 1



  clocks:

    maxItems: 1



  resets:

    maxItems: 1



required:

  - compatible

  - reg

  - clocks

  - resets



additionalProperties: false



examples:

  - |

    hwlock@1c18000 {

        compatible = "allwinner,sun6i-a31-hwspinlock";

        reg = <0x01c18000 0x1000>;

        clocks = <&ccu CLK_BUS_SPINLOCK>;

        resets = <&ccu RST_BUS_SPINLOCK>;

    };

...