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Message-ID: <Yl6Ezm6D7KKbE1Oa@aptenodytes>
Date: Tue, 19 Apr 2022 11:45:50 +0200
From: Paul Kocialkowski <paul.kocialkowski@...tlin.com>
To: Samuel Holland <samuel@...lland.org>
Cc: linux-media@...r.kernel.org, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev,
linux-kernel@...r.kernel.org, linux-staging@...ts.linux.dev,
Mauro Carvalho Chehab <mchehab@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Chen-Yu Tsai <wens@...e.org>,
Jernej Skrabec <jernej.skrabec@...il.com>,
Sakari Ailus <sakari.ailus@...ux.intel.com>,
Hans Verkuil <hans.verkuil@...co.com>,
Laurent Pinchart <laurent.pinchart@...asonboard.com>,
Maxime Ripard <mripard@...nel.org>,
Thomas Petazzoni <thomas.petazzoni@...tlin.com>
Subject: Re: [PATCH v3 1/4] dt-bindings: media: Add Allwinner A31 ISP
bindings documentation
Hi Samuel,
On Fri 15 Apr 22, 20:59, Samuel Holland wrote:
> On 4/15/22 10:37 AM, Paul Kocialkowski wrote:
> > This introduces YAML bindings documentation for the Allwinner A31 Image
> > Signal Processor (ISP).
> >
> > Signed-off-by: Paul Kocialkowski <paul.kocialkowski@...tlin.com>
> > ---
> > .../media/allwinner,sun6i-a31-isp.yaml | 117 ++++++++++++++++++
> > 1 file changed, 117 insertions(+)
> > create mode 100644 Documentation/devicetree/bindings/media/allwinner,sun6i-a31-isp.yaml
> >
> > diff --git a/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-isp.yaml b/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-isp.yaml
> > new file mode 100644
> > index 000000000000..ffca216b841f
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-isp.yaml
> > @@ -0,0 +1,117 @@
> > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/media/allwinner,sun6i-a31-isp.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Allwinner A31 Image Signal Processor Driver (ISP) Device Tree Bindings
> > +
> > +maintainers:
> > + - Paul Kocialkowski <paul.kocialkowski@...tlin.com>
> > +
> > +properties:
> > + compatible:
> > + enum:
> > + - allwinner,sun6i-a31-isp
> > + - allwinner,sun8i-v3s-isp
> > +
> > + reg:
> > + maxItems: 1
> > +
> > + interrupts:
> > + maxItems: 1
> > +
> > + clocks:
> > + items:
> > + - description: Bus Clock
> > + - description: Module Clock
> > + - description: DRAM Clock
> > +
> > + clock-names:
> > + items:
> > + - const: bus
> > + - const: mod
> > + - const: ram
> > +
> > + resets:
> > + maxItems: 1
> > +
> > + ports:
> > + $ref: /schemas/graph.yaml#/properties/ports
> > +
> > + properties:
> > + port@0:
> > + $ref: /schemas/graph.yaml#/$defs/port-base
> > + description: CSI0 input port
> > +
> > + properties:
> > + reg:
> > + const: 0
> > +
> > + endpoint:
> > + $ref: /schemas/graph.yaml#/$defs/endpoint-base
> > + unevaluatedProperties: false
> > +
> > + additionalProperties: false
> > +
> > + port@1:
> > + $ref: /schemas/graph.yaml#/$defs/port-base
> > + description: CSI1 input port
> > +
> > + properties:
> > + reg:
> > + const: 0
>
> Should be "const: 1".
>
> Otherwise,
> Reviewed-by: Samuel Holland <samuel@...lland.org>
Good catch and thanks for the review!
Cheers,
Paul
> > +
> > + endpoint:
> > + $ref: /schemas/graph.yaml#/$defs/endpoint-base
> > + unevaluatedProperties: false
> > +
> > + additionalProperties: false
> > +
> > + anyOf:
> > + - required:
> > + - port@0
> > + - required:
> > + - port@1
> > +
> > +required:
> > + - compatible
> > + - reg
> > + - interrupts
> > + - clocks
> > + - clock-names
> > + - resets
> > +
> > +additionalProperties: false
> > +
> > +examples:
> > + - |
> > + #include <dt-bindings/interrupt-controller/arm-gic.h>
> > + #include <dt-bindings/clock/sun8i-v3s-ccu.h>
> > + #include <dt-bindings/reset/sun8i-v3s-ccu.h>
> > +
> > + isp: isp@...8000 {
> > + compatible = "allwinner,sun8i-v3s-isp";
> > + reg = <0x01cb8000 0x1000>;
> > + interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>;
> > + clocks = <&ccu CLK_BUS_CSI>,
> > + <&ccu CLK_CSI1_SCLK>,
> > + <&ccu CLK_DRAM_CSI>;
> > + clock-names = "bus", "mod", "ram";
> > + resets = <&ccu RST_BUS_CSI>;
> > +
> > + ports {
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > +
> > + port@0 {
> > + reg = <0>;
> > +
> > + isp_in_csi0: endpoint {
> > + remote-endpoint = <&csi0_out_isp>;
> > + };
> > + };
> > + };
> > + };
> > +
> > +...
> >
>
--
Paul Kocialkowski, Bootlin
Embedded Linux and kernel engineering
https://bootlin.com
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