Add nxp,lpc3220-i2s DT binding documentation.
Signed-off-by: Piotr Wojtaszczyk piotr.wojtaszczyk@timesys.com Reviewed-by: Krzysztof Kozlowski krzysztof.kozlowski@linaro.org --- Changes for v5: - Removed "N:" from the MAINTAINERS entry
Changes for v4: - Custom dma-vc-names property with standard dmas and dma-names - Added to MAINTAINERS
Changes for v3: - Added '$ref: dai-common.yaml#' and '#sound-dai-cells' - Dropped all clock-names, references - Dropped status property from the example - Added interrupts property - 'make dt_binding_check' pass
Changes for v2: - Added maintainers field - Dropped clock-names - Dropped unused unneded interrupts field
.../bindings/sound/nxp,lpc3220-i2s.yaml | 73 +++++++++++++++++++ MAINTAINERS | 9 +++ 2 files changed, 82 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/nxp,lpc3220-i2s.yaml
diff --git a/Documentation/devicetree/bindings/sound/nxp,lpc3220-i2s.yaml b/Documentation/devicetree/bindings/sound/nxp,lpc3220-i2s.yaml new file mode 100644 index 000000000000..40a0877a8aba --- /dev/null +++ b/Documentation/devicetree/bindings/sound/nxp,lpc3220-i2s.yaml @@ -0,0 +1,73 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$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@nautel.com + - Piotr Wojtaszczyk piotr.wojtaszczyk@timesys.com + +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. + + dmas: + items: + - description: RX DMA Channel + - description: TX DMA Channel + + dma-names: + items: + - const: rx + - const: tx + + "#sound-dai-cells": + const: 0 + +required: + - compatible + - reg + - interrupts + - clocks + - dmas + - dma-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>; + dmas = <&dma 0 1>, <&dma 13 1>; + dma-names = "rx", "tx"; + #sound-dai-cells = <0>; + }; + +... diff --git a/MAINTAINERS b/MAINTAINERS index 79b44addc139..ceec359c68fc 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -8918,6 +8918,15 @@ S: Maintained F: sound/soc/fsl/fsl* F: sound/soc/fsl/imx*
+FREESCALE SOC LPC32XX SOUND DRIVERS +M: J.M.B. Downing jonathan.downing@nautel.com +M: Piotr Wojtaszczyk piotr.wojtaszczyk@timesys.com +R: Vladimir Zapolskiy vz@mleia.com +L: alsa-devel@alsa-project.org (moderated for non-subscribers) +L: linuxppc-dev@lists.ozlabs.org +S: Maintained +F: Documentation/devicetree/bindings/sound/nxp,lpc3220-i2s.yaml + FREESCALE SOC SOUND QMC DRIVER M: Herve Codina herve.codina@bootlin.com L: alsa-devel@alsa-project.org (moderated for non-subscribers)