Re: [PATCH v5 1/2] dt-bindings: hwlock: add sun6i_hwspinlock

From: Rob Herring
Date: Wed Dec 23 2020 - 17:50:15 EST


On Wed, Dec 23, 2020 at 4:34 AM Wilken Gottwalt
<wilken.gottwalt@xxxxxxxxxx> wrote:
>
> Adds documentation on how to use the sun6i_hwspinlock driver for sun6i
> compatible SoCs.

Please resend to DT list so that automated checks run and it's in my
queue (PW). You need to run 'make dt_binding_check' as there are
several issues.

> Signed-off-by: Wilken Gottwalt <wilken.gottwalt@xxxxxxxxxx>
> ---
> Changes in v5:
> - changed binding to earliest known supported SoC sun6i-a31
> - dropped unnecessary entries
>
> Changes in v4:
> - changed binding to sun8i-a33-hwpinlock
> - added changes suggested by Maxime Ripard
>
> Changes in v3:
> - changed symbols from sunxi to sun8i
>
> Changes in v2:
> - fixed memory ranges
> ---
> .../bindings/hwlock/sun6i-a31-hwspinlock.yaml | 44 +++++++++++++++++++
> 1 file changed, 44 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/hwlock/sun6i-a31-hwspinlock.yaml
>
> diff --git a/Documentation/devicetree/bindings/hwlock/sun6i-a31-hwspinlock.yaml b/Documentation/devicetree/bindings/hwlock/sun6i-a31-hwspinlock.yaml
> new file mode 100644
> index 000000000000..481c5c995ad7
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/hwlock/sun6i-a31-hwspinlock.yaml
> @@ -0,0 +1,44 @@
> +# SPDX-License-Identifier: (GPL-2.0-only or BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/hwlock/sun6i-hwspinlock.yaml#

This will fail checks. Wrong filename.

> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: SUN6I hardware spinlock driver for Allwinner sun6i compatible SoCs
> +
> +maintainers:
> + - Wilken Gottwalt <wilken.gottwalt@xxxxxxxxxx>
> +
> +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:
> + - |
> + hwspinlock@1c18000 {

hwlock@...

> + compatible = "allwinner,sun6i-a31-hwspinlock";
> + reg = <0x01c18000 0x1000>;
> + clocks = <&ccu CLK_BUS_SPINLOCK>;
> + resets = <&ccu RST_BUS_SPINLOCK>;

You need an include for these defines.

> + };
> --
> 2.29.2
>