Add nxp,lpc3220-i2s DT binding documentation. Signed-off-by: Piotr Wojtaszczyk <piotr.wojtaszczyk@xxxxxxxxxxx> --- Changes for v3: - Added '$ref: dai-common.yaml#' and '#sound-dai-cells' - Dropped all clock-names, references - Dropped status property from the example - Added interrupts property - 'make dt_binding_check' pass Changes for v2: - Added maintainers field - Dropped clock-names - Dropped unused unneded interrupts field .../bindings/sound/nxp,lpc3220-i2s.yaml | 69 +++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/nxp,lpc3220-i2s.yaml diff --git a/Documentation/devicetree/bindings/sound/nxp,lpc3220-i2s.yaml b/Documentation/devicetree/bindings/sound/nxp,lpc3220-i2s.yaml new file mode 100644 index 000000000000..04a1090f70cc --- /dev/null +++ b/Documentation/devicetree/bindings/sound/nxp,lpc3220-i2s.yaml @@ -0,0 +1,69 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/nxp,lpc3220-i2s.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP LPC32XX I2S Controller + +description: + The I2S controller in LPC32XX SoCs, ASoC DAI. + +maintainers: + - J.M.B. Downing <jonathan.downing@xxxxxxxxxx> + - Piotr Wojtaszczyk <piotr.wojtaszczyk@xxxxxxxxxxx> + +allOf: + - $ref: dai-common.yaml# + +properties: + compatible: + enum: + - nxp,lpc3220-i2s + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + items: + - description: input clock of the peripheral. + + dma-vc-names: + $ref: /schemas/types.yaml#/definitions/string-array + description: | + names of virtual pl08x dma channels for tx and rx + directions in this order. + minItems: 2 + maxItems: 2 + + "#sound-dai-cells": + const: 0 + +required: + - compatible + - reg + - interrupts + - clocks + - dma-vc-names + - '#sound-dai-cells' + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/lpc32xx-clock.h> + #include <dt-bindings/interrupt-controller/irq.h> + + i2s@20094000 { + compatible = "nxp,lpc3220-i2s"; + reg = <0x20094000 0x1000>; + interrupts = <22 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clk LPC32XX_CLK_I2S0>; + dma-vc-names = "i2s0-tx", "i2s0-rx"; + #sound-dai-cells = <0>; + }; + +... -- 2.25.1
