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Date: Fri, 2 Oct 2020 19:03:04 +0300 From: Codrin Ciubotariu <codrin.ciubotariu@...rochip.com> To: <alsa-devel@...a-project.org>, <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org> CC: <lgirdwood@...il.com>, <broonie@...nel.org>, <robh+dt@...nel.org>, <perex@...ex.cz>, <tiwai@...e.com>, <nicolas.ferre@...rochip.com>, <alexandre.belloni@...tlin.com>, <ludovic.desroches@...rochip.com>, "Codrin Ciubotariu" <codrin.ciubotariu@...rochip.com> Subject: [PATCH 1/2] dt-bindings: sound: add DT bindings for Microchip S/PDIF RX Controller This patch adds DT bindings for the new Microchip S/PDIF RX Controller embedded inside sama7g5 SoCs. Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@...rochip.com> --- .../bindings/sound/mchp,spdifrx.yaml | 73 +++++++++++++++++++ 1 file changed, 73 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/mchp,spdifrx.yaml diff --git a/Documentation/devicetree/bindings/sound/mchp,spdifrx.yaml b/Documentation/devicetree/bindings/sound/mchp,spdifrx.yaml new file mode 100644 index 000000000000..7d8bd4e14434 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/mchp,spdifrx.yaml @@ -0,0 +1,73 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/mchp,spdifrx.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Microchip S/PDIF Rx Controller Device Tree Bindings + +maintainers: + - Codrin Ciubotariu <codrin.ciubotariu@...rochip.com> + +description: + The Microchip Sony/Philips Digital Interface Receiver is a + serial port compliant with the IEC-60958 standard. + +properties: + "#sound-dai-cells": + const: 0 + + compatible: + const: microchip,sama7g5-spdifrx + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + items: + - description: Peripheral Bus Clock + - description: Generic Clock + + clock-names: + items: + - const: pclk + - const: gclk + + dmas: + description: RX DMA Channel + maxItems: 1 + + dma-names: + const: rx + +required: + - "#sound-dai-cells" + - compatible + - reg + - interrupts + - clocks + - clock-names + - dmas + - dma-names + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/at91.h> + #include <dt-bindings/dma/at91.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + + spdifrx: spdifrx@...14000 { + #sound-dai-cells = <0>; + compatible = "microchip,sama7g5-spdifrx"; + reg = <0xe1614000 0x4000>; + interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>; + dmas = <&dma0 AT91_XDMAC_DT_PERID(49)>; + dma-names = "rx"; + clocks = <&pmc PMC_TYPE_PERIPHERAL 84>, <&pmc PMC_TYPE_GCK 84>; + clock-names = "pclk", "gclk"; + }; -- 2.25.1
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