From: Ryan Wanner Ryan.Wanner@microchip.com

Convert atmel i2s devicetree binding to json-schema. Change file name to match json-schema naming.

Signed-off-by: Ryan Wanner Ryan.Wanner@microchip.com --- Note: running dtbs_check will fail unless updated with this patch, https://lore.kernel.org/linux-arm-kernel/20220707215812.193008-1-Ryan.Wanner...

v1 -> v2: - Fix formatting for clock description. - Fix formatting for dma description.

.../bindings/sound/atmel,sama5d2-i2s.yaml | 85 +++++++++++++++++++ .../devicetree/bindings/sound/atmel-i2s.txt | 46 ---------- 2 files changed, 85 insertions(+), 46 deletions(-) create mode 100644 Documentation/devicetree/bindings/sound/atmel,sama5d2-i2s.yaml delete mode 100644 Documentation/devicetree/bindings/sound/atmel-i2s.txt

diff --git a/Documentation/devicetree/bindings/sound/atmel,sama5d2-i2s.yaml b/Documentation/devicetree/bindings/sound/atmel,sama5d2-i2s.yaml new file mode 100644 index 000000000000..0cd1ff89baed --- /dev/null +++ b/Documentation/devicetree/bindings/sound/atmel,sama5d2-i2s.yaml @@ -0,0 +1,85 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# Copyright (C) 2022 Microchip Technology, Inc. and its subsidiaries +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/atmel,sama5d2-i2s.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Atmel I2S controller + +maintainers: + - Nicolas Ferre nicolas.ferre@microchip.com + - Alexandre Belloni alexandre.belloni@bootlin.com + - Claudiu Beznea claudiu.beznea@microchip.com + +description: + Atmel I2S (Inter-IC Sound Controller) bus is the standard + interface for connecting audio devices, such as audio codecs. + +properties: + compatible: + const: atmel,sama5d2-i2s + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + items: + - description: Peripheral clock + - description: Generated clock (Optional) + - description: I2S mux clock (Optional). Set + with gclk when Master Mode is required. + minItems: 1 + + clock-names: + items: + - const: pclk + - const: gclk + - const: muxclk + minItems: 1 + + dmas: + items: + - description: TX DMA Channel + - description: RX DMA Channel + + dma-names: + items: + - const: tx + - const: rx + +required: + - compatible + - reg + - interrupts + - dmas + - dma-names + - clocks + - clock-names + +additionalProperties: false + +examples: + - | + #include <dt-bindings/dma/at91.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + + i2s@f8050000 { + compatible = "atmel,sama5d2-i2s"; + reg = <0xf8050000 0x300>; + interrupts = <54 IRQ_TYPE_LEVEL_HIGH 7>; + dmas = <&dma0 + (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1) | + AT91_XDMAC_DT_PERID(31))>, + <&dma0 + (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1) | + AT91_XDMAC_DT_PERID(32))>; + dma-names = "tx", "rx"; + clocks = <&i2s0_clk>, <&i2s0_gclk>, <&i2s0muxck>; + clock-names = "pclk", "gclk", "muxclk"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2s0_default>; + }; diff --git a/Documentation/devicetree/bindings/sound/atmel-i2s.txt b/Documentation/devicetree/bindings/sound/atmel-i2s.txt deleted file mode 100644 index 40549f496a81..000000000000 --- a/Documentation/devicetree/bindings/sound/atmel-i2s.txt +++ /dev/null @@ -1,46 +0,0 @@ -* Atmel I2S controller - -Required properties: -- compatible: Should be "atmel,sama5d2-i2s". -- reg: Should be the physical base address of the controller and the - length of memory mapped region. -- interrupts: Should contain the interrupt for the controller. -- dmas: Should be one per channel name listed in the dma-names property, - as described in atmel-dma.txt and dma.txt files. -- dma-names: Two dmas have to be defined, "tx" and "rx". - This IP also supports one shared channel for both rx and tx; - if this mode is used, one "rx-tx" name must be used. -- clocks: Must contain an entry for each entry in clock-names. - Please refer to clock-bindings.txt. -- clock-names: Should be one of each entry matching the clocks phandles list: - - "pclk" (peripheral clock) Required. - - "gclk" (generated clock) Optional (1). - - "muxclk" (I2S mux clock) Optional (1). - -Optional properties: -- pinctrl-0: Should specify pin control groups used for this controller. -- princtrl-names: Should contain only one value - "default". - - -(1) : Only the peripheral clock is required. The generated clock and the I2S - mux clock are optional and should only be set together, when Master Mode - is required. - -Example: - - i2s@f8050000 { - compatible = "atmel,sama5d2-i2s"; - reg = <0xf8050000 0x300>; - interrupts = <54 IRQ_TYPE_LEVEL_HIGH 7>; - dmas = <&dma0 - (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1) | - AT91_XDMAC_DT_PERID(31))>, - <&dma0 - (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1) | - AT91_XDMAC_DT_PERID(32))>; - dma-names = "tx", "rx"; - clocks = <&i2s0_clk>, <&i2s0_gclk>, <&i2s0muxck>; - clock-names = "pclk", "gclk", "muxclk"; - pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_i2s0_default>; - };