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Message-ID: <20220722152945.2950807-1-Ryan.Wanner@microchip.com>
Date: Fri, 22 Jul 2022 08:29:45 -0700
From: <Ryan.Wanner@...rochip.com>
To: <lgirdwood@...il.com>, <broonie@...nel.org>, <robh+dt@...nel.org>,
<krzysztof.kozlowski+dt@...aro.org>, <nicolas.ferre@...rochip.com>,
<alexandre.belloni@...tlin.com>, <claudiu.beznea@...rochip.com>
CC: <alsa-devel@...a-project.org>, <devicetree@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>,
"Ryan Wanner" <Ryan.Wanner@...rochip.com>
Subject: [PATCH v2] ASoC: dt-bindings: atmel-i2s: Convert to json-schema
From: Ryan Wanner <Ryan.Wanner@...rochip.com>
Convert atmel i2s devicetree binding to json-schema.
Change file name to match json-schema naming.
Signed-off-by: Ryan Wanner <Ryan.Wanner@...rochip.com>
---
Note: running dtbs_check will fail unless updated with this patch,
https://lore.kernel.org/linux-arm-kernel/20220707215812.193008-1-Ryan.Wanner@microchip.com/
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@...rochip.com>
+ - Alexandre Belloni <alexandre.belloni@...tlin.com>
+ - Claudiu Beznea <claudiu.beznea@...rochip.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@...50000 {
+ 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@...50000 {
- 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>;
- };
--
2.34.1
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