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author | Tom Rini | 2024-07-20 11:15:22 -0600 |
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committer | Tom Rini | 2024-07-20 11:15:22 -0600 |
commit | 5024a96db8ea6ff2e814f4599af9e5faf09296b7 (patch) | |
tree | bc0d02e7022f796932c5d24c9d6b61b166488efa /dts/upstream/Bindings/sound/davinci-mcbsp.yaml | |
parent | d353e30ef3610c01b031dc9ada53701b13d473d4 (diff) | |
parent | 762f85bb2e36762ee4d7395002b8181905aec690 (diff) |
[1] https://git.kernel.org/pub/scm/linux/kernel/git/devicetree/devicetree-rebasing.git/
Diffstat (limited to 'dts/upstream/Bindings/sound/davinci-mcbsp.yaml')
-rw-r--r-- | dts/upstream/Bindings/sound/davinci-mcbsp.yaml | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/dts/upstream/Bindings/sound/davinci-mcbsp.yaml b/dts/upstream/Bindings/sound/davinci-mcbsp.yaml new file mode 100644 index 00000000000..4fa67702382 --- /dev/null +++ b/dts/upstream/Bindings/sound/davinci-mcbsp.yaml @@ -0,0 +1,113 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/davinci-mcbsp.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: McBSP Controller for TI SoCs + +maintainers: + - Bastien Curutchet <bastien.curutchet@bootlin.com> + +allOf: + - $ref: dai-common.yaml# + +properties: + compatible: + enum: + - ti,da850-mcbsp + + reg: + minItems: 1 + items: + - description: CFG registers + - description: data registers + + reg-names: + minItems: 1 + items: + - const: mpu + - const: dat + + dmas: + items: + - description: transmission DMA channel + - description: reception DMA channel + + dma-names: + items: + - const: tx + - const: rx + + interrupts: + items: + - description: RX interrupt + - description: TX interrupt + + interrupt-names: + items: + - const: rx + - const: tx + + clocks: + minItems: 1 + items: + - description: functional clock + - description: external input clock for sample rate generator. + + clock-names: + minItems: 1 + items: + - const: fck + - const: clks + + power-domains: + maxItems: 1 + + "#sound-dai-cells": + const: 0 + + ti,T1-framing-tx: + $ref: /schemas/types.yaml#/definitions/flag + description: + If the property is present, tx data delay is set to 2 bit clock periods. + McBSP will insert a blank period (high-impedance period) before the first + data bit. This can be used to interface to T1-framing devices. + + ti,T1-framing-rx: + $ref: /schemas/types.yaml#/definitions/flag + description: + If the property is present, rx data delay is set to 2 bit clock periods. + McBSP will discard the bit preceding the data stream (called framing bit). + This can be used to interface to T1-framing devices. + +required: + - "#sound-dai-cells" + - compatible + - reg + - reg-names + - dmas + - dma-names + - clocks + +unevaluatedProperties: false + +examples: + - | + mcbsp0@1d10000 { + #sound-dai-cells = <0>; + compatible = "ti,da850-mcbsp"; + pinctrl-names = "default"; + pinctrl-0 = <&mcbsp0_pins>; + + reg = <0x111000 0x1000>, + <0x311000 0x1000>; + reg-names = "mpu", "dat"; + interrupts = <97>, <98>; + interrupt-names = "rx", "tx"; + dmas = <&edma0 3 1>, + <&edma0 2 1>; + dma-names = "tx", "rx"; + + clocks = <&psc1 14>; + }; |