From: Adam Ford <aford173@gmail.com>
To: arm-soc <linux-arm-kernel@lists.infradead.org>
Cc: Adam Ford-BE <aford@beaconembedded.com>,
Rob Herring <robh+dt@kernel.org>, Shawn Guo <shawnguo@kernel.org>,
Sascha Hauer <s.hauer@pengutronix.de>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Fabio Estevam <festevam@gmail.com>,
NXP Linux Team <linux-imx@nxp.com>,
devicetree <devicetree@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH V6 1/2] dt-bindings: soc: imx: Add binding doc for spba bus
Date: Thu, 9 Dec 2021 07:27:42 -0600 [thread overview]
Message-ID: <CAHCN7xKGq4ajoKCpTwPhwd45xrRecsh7_uqC4TLEahhZxvL8aA@mail.gmail.com> (raw)
In-Reply-To: <20211202143828.3335-1-aford173@gmail.com>
On Thu, Dec 2, 2021 at 8:38 AM Adam Ford <aford173@gmail.com> wrote:
>
> Add binding doc for fsl,spba-bus.
>
Rob / Shawn,
Any feedback on this series? I am not very good with YAML, but my
intent was to name the bus 'spba-bus' and the second patch in the
series was designed to go through all the SoC device trees and update
them to reflect this name to remove a bunch of the splat generated
when building various imx boards.
thanks
adam
> Signed-off-by: Adam Ford <aford173@gmail.com>
> ---
> V6: Rebase on 5.16-rc and rename spba@xxxx to spba-bus@xxxx since
> most dsti files use that naming convention.
>
> V5: Rebase on 5.10-rc2 to be able to check yaml
> Add Reg entry
>
> V4: Remove an accidental makefile change
> Move type:object under additional properties
>
> V3: Rebase sample from aips-bus example
> Split off from series adding i.MX8M Nano functions to reduce noise
>
> V2: Attempted to update yaml from feedback
>
> diff --git a/Documentation/devicetree/bindings/bus/fsl,spba-bus.yaml b/Documentation/devicetree/bindings/bus/fsl,spba-bus.yaml
> new file mode 100644
> index 000000000000..d42dbb0bbc2e
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/bus/fsl,spba-bus.yaml
> @@ -0,0 +1,68 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/bus/fsl,spba-bus.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Shared Peripherals Bus Interface
> +
> +maintainers:
> + - Shawn Guo <shawnguo@kernel.org>
> +
> +description: |
> + A simple bus enabling access to shared peripherals.
> +
> + The "spba-bus" follows the "simple-bus" set of properties, as
> + specified in the Devicetree Specification. It is an extension of
> + "simple-bus" because the SDMA controller uses this compatible flag to
> + determine which peripherals are available to it and the range over which
> + the SDMA can access. There are no special clocks for the bus, because
> + the SDMA controller itself has its interrupt and clock assignments.
> +
> +select:
> + properties:
> + compatible:
> + contains:
> + const: fsl,spba-bus
> + required:
> + - compatible
> +
> +properties:
> + $nodename:
> + pattern: "^spba-bus(@[0-9a-f]+)?$"
> +
> + compatible:
> + items:
> + - const: fsl,spba-bus
> + - const: simple-bus
> +
> + '#address-cells':
> + enum: [ 1, 2 ]
> +
> + '#size-cells':
> + enum: [ 1, 2 ]
> +
> + reg:
> + maxItems: 1
> +
> + ranges: true
> +
> +required:
> + - compatible
> + - '#address-cells'
> + - '#size-cells'
> + - reg
> + - ranges
> +
> +additionalProperties:
> + type: object
> +
> +examples:
> + - |
> + spba-bus@30000000 {
> + compatible = "fsl,spba-bus", "simple-bus";
> + #address-cells = <1>;
> + #size-cells = <1>;
> + reg = <0x30000000 0x100000>;
> + ranges;
> + };
> --
> 2.32.0
>
next prev parent reply other threads:[~2021-12-09 13:27 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-02 14:38 [PATCH V6 1/2] dt-bindings: soc: imx: Add binding doc for spba bus Adam Ford
2021-12-02 14:38 ` [PATCH V6 2/2] arm: dts: imx25/31/50/51/53/6qdl: Change spba to spba-bus Adam Ford
2021-12-14 2:47 ` Shawn Guo
2021-12-09 13:27 ` Adam Ford [this message]
2021-12-10 18:53 ` [PATCH V6 1/2] dt-bindings: soc: imx: Add binding doc for spba bus Rob Herring
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