On Thu, Mar 28, 2024 at 02:22:30PM +0100, Nuno Sa wrote: > This adds the bindings documentation for the AXI DAC driver. Bindings are for h/w blocks, not 'drivers'. Reword the subject to only say 'bindings' once. > Signed-off-by: Nuno Sa <nuno.sa@xxxxxxxxxx> > --- > .../devicetree/bindings/iio/dac/adi,axi-dac.yaml | 62 ++++++++++++++++++++++ > MAINTAINERS | 7 +++ > 2 files changed, 69 insertions(+) > > diff --git a/Documentation/devicetree/bindings/iio/dac/adi,axi-dac.yaml b/Documentation/devicetree/bindings/iio/dac/adi,axi-dac.yaml > new file mode 100644 > index 000000000000..1018fd274f04 > --- /dev/null > +++ b/Documentation/devicetree/bindings/iio/dac/adi,axi-dac.yaml > @@ -0,0 +1,62 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/iio/dac/adi,axi-dac.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Analog Devices AXI DAC IP core > + > +maintainers: > + - Nuno Sa <nuno.sa@xxxxxxxxxx> > + > +description: | > + Analog Devices Generic AXI DAC IP core for interfacing a DAC device > + with a high speed serial (JESD204B/C) or source synchronous parallel > + interface (LVDS/CMOS). > + Usually, some other interface type (i.e SPI) is used as a control > + interface for the actual DAC, while this IP core will interface > + to the data-lines of the DAC and handle the streaming of data into > + memory via DMA. > + > + https://wiki.analog.com/resources/fpga/docs/axi_dac_ip > + > +properties: > + compatible: > + enum: > + - adi,axi-dac-9.1.b > + > + reg: > + maxItems: 1 > + > + dmas: > + maxItems: 1 > + > + dma-names: > + items: > + - const: tx You don't need *-names if there is only 1 entry. > + > + clocks: > + maxItems: 1 > + > + '#io-backend-cells': > + const: 0 > + > +required: > + - compatible > + - dmas > + - reg > + - clocks > + > +additionalProperties: false > + > +examples: > + - | > + dac@44a00000 { > + compatible = "adi,axi-dac-9.1.b"; > + reg = <0x44a00000 0x10000>; > + dmas = <&tx_dma 0>; > + dma-names = "tx"; > + #io-backend-cells = <0>; > + clocks = <&axi_clk>; > + }; > +... > diff --git a/MAINTAINERS b/MAINTAINERS > index a7287cf44869..2137eb452376 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -1399,6 +1399,13 @@ F: sound/soc/codecs/adav* > F: sound/soc/codecs/sigmadsp.* > F: sound/soc/codecs/ssm* > > +ANALOG DEVICES INC AXI DAC DRIVER > +M: Nuno Sa <nuno.sa@xxxxxxxxxx> > +L: linux-iio@xxxxxxxxxxxxxxx > +S: Supported > +W: https://ez.analog.com/linux-software-drivers > +F: Documentation/devicetree/bindings/iio/dac/adi,axi-dac.yaml > + > ANALOG DEVICES INC DMA DRIVERS > M: Lars-Peter Clausen <lars@xxxxxxxxxx> > S: Supported > > -- > 2.44.0 >
