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Date: Thu, 1 Apr 2021 10:52:01 -0500 From: Rob Herring <robh@...nel.org> To: Pratyush Yadav <p.yadav@...com> Cc: Mauro Carvalho Chehab <mchehab@...nel.org>, Kishon Vijay Abraham I <kishon@...com>, Vinod Koul <vkoul@...nel.org>, Peter Ujfalusi <peter.ujfalusi@...il.com>, Maxime Ripard <mripard@...nel.org>, Benoit Parrot <bparrot@...com>, Hans Verkuil <hverkuil-cisco@...all.nl>, Alexandre Courbot <acourbot@...omium.org>, Laurent Pinchart <laurent.pinchart@...asonboard.com>, Stanimir Varbanov <stanimir.varbanov@...aro.org>, Helen Koike <helen.koike@...labora.com>, Michael Tretter <m.tretter@...gutronix.de>, Peter Chen <peter.chen@....com>, Chunfeng Yun <chunfeng.yun@...iatek.com>, linux-media@...r.kernel.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, linux-phy@...ts.infradead.org, dmaengine@...r.kernel.org, Vignesh Raghavendra <vigneshr@...com>, Tomi Valkeinen <tomi.valkeinen@...asonboard.com> Subject: Re: [PATCH 12/16] dt-bindings: media: Add DT bindings for TI CSI2RX driver On Tue, Mar 30, 2021 at 11:03:44PM +0530, Pratyush Yadav wrote: > TI's J721E uses the Cadence CSI2RX and DPHY peripherals to facilitate > capture over a CSI-2 bus. The TI CSI2RX platform driver glues all the > parts together. > > Signed-off-by: Pratyush Yadav <p.yadav@...com> > --- > .../devicetree/bindings/media/ti,csi2rx.yaml | 70 +++++++++++++++++++ > 1 file changed, 70 insertions(+) > create mode 100644 Documentation/devicetree/bindings/media/ti,csi2rx.yaml > > diff --git a/Documentation/devicetree/bindings/media/ti,csi2rx.yaml b/Documentation/devicetree/bindings/media/ti,csi2rx.yaml > new file mode 100644 > index 000000000000..ebd894364391 > --- /dev/null > +++ b/Documentation/devicetree/bindings/media/ti,csi2rx.yaml > @@ -0,0 +1,70 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/media/ti,csi2rx.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: TI CSI2RX Wrapper Device Tree Bindings > + > +maintainers: > + - Pratyush Yadav <p.yadav@...com> > + > +properties: > + compatible: > + items: > + - const: ti,csi2rx > + > + dmas: > + description: RX DMA Channel 0 items: - description: RX DMA Channel 0 Or just 'maxItems: 1' > + > + dma-names: > + items: > + - const: rx0 > + > + reg: > + maxItems: 1 > + description: Base address and size of the TI wrapper registers. That's all 'reg' properties, drop 'description'. > + > + power-domains: > + maxItems: 1 > + description: > + PM domain provider node and an args specifier containing > + the device id value. Drop. > + > + ranges: true > + > + "#address-cells": > + const: 2 > + > + "#size-cells": > + const: 2 > + > +patternProperties: > + "csi-bridge@": "^csi-bridge@" > + type: object > + description: CSI2 bridge node. Just an empty node? > + > +required: > + - compatible > + - reg > + - dmas > + - dma-names > + - power-domains > + - "#address-cells" > + - "#size-cells" > + > +additionalProperties: false > + > +examples: > + - | > + #include <dt-bindings/soc/ti,sci_pm_domain.h> > + > + ti_csi2rx0: ticsi2rx { > + compatible = "ti,csi2rx"; > + dmas = <&main_udmap 0x4940>; > + dma-names = "rx0"; > + reg = <0x0 0x4500000 0x0 0x1000>; > + power-domains = <&k3_pds 26 TI_SCI_PD_EXCLUSIVE>; > + #address-cells = <2>; > + #size-cells = <2>; > + }; > -- > 2.30.0 >
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