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Date: Wed, 11 Mar 2020 18:43:21 +0100
From: Johan Jonker <jbx6244@...il.com>
To: lgirdwood@...il.com
Cc: broonie@...nel.org, heiko@...ech.de, robh+dt@...nel.org,
alsa-devel@...a-project.org, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v1 1/2] dt-bindings: sound: convert rockchip i2s bindings to yaml
Current dts files with 'i2s' nodes are manually verified.
In order to automate this process rockchip-i2s.txt
has to be converted to yaml.
Signed-off-by: Johan Jonker <jbx6244@...il.com>
---
.../devicetree/bindings/sound/rockchip-i2s.txt | 49 ----------
.../devicetree/bindings/sound/rockchip-i2s.yaml | 106 +++++++++++++++++++++
2 files changed, 106 insertions(+), 49 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/sound/rockchip-i2s.txt
create mode 100644 Documentation/devicetree/bindings/sound/rockchip-i2s.yaml
diff --git a/Documentation/devicetree/bindings/sound/rockchip-i2s.txt b/Documentation/devicetree/bindings/sound/rockchip-i2s.txt
deleted file mode 100644
index 54aefab71..000000000
--- a/Documentation/devicetree/bindings/sound/rockchip-i2s.txt
+++ /dev/null
@@ -1,49 +0,0 @@
-* Rockchip I2S controller
-
-The I2S bus (Inter-IC sound bus) is a serial link for digital
-audio data transfer between devices in the system.
-
-Required properties:
-
-- compatible: should be one of the following:
- - "rockchip,rk3066-i2s": for rk3066
- - "rockchip,px30-i2s", "rockchip,rk3066-i2s": for px30
- - "rockchip,rk3036-i2s", "rockchip,rk3066-i2s": for rk3036
- - "rockchip,rk3188-i2s", "rockchip,rk3066-i2s": for rk3188
- - "rockchip,rk3228-i2s", "rockchip,rk3066-i2s": for rk3228
- - "rockchip,rk3288-i2s", "rockchip,rk3066-i2s": for rk3288
- - "rockchip,rk3328-i2s", "rockchip,rk3066-i2s": for rk3328
- - "rockchip,rk3366-i2s", "rockchip,rk3066-i2s": for rk3366
- - "rockchip,rk3368-i2s", "rockchip,rk3066-i2s": for rk3368
- - "rockchip,rk3399-i2s", "rockchip,rk3066-i2s": for rk3399
-- reg: physical base address of the controller and length of memory mapped
- region.
-- interrupts: should contain the I2S interrupt.
-- dmas: DMA specifiers for tx and rx dma. See the DMA client binding,
- Documentation/devicetree/bindings/dma/dma.txt
-- dma-names: should include "tx" and "rx".
-- clocks: a list of phandle + clock-specifer pairs, one for each entry in clock-names.
-- clock-names: should contain the following:
- - "i2s_hclk": clock for I2S BUS
- - "i2s_clk" : clock for I2S controller
-- rockchip,playback-channels: max playback channels, if not set, 8 channels default.
-- rockchip,capture-channels: max capture channels, if not set, 2 channels default.
-
-Required properties for controller which support multi channels
-playback/capture:
-
-- rockchip,grf: the phandle of the syscon node for GRF register.
-
-Example for rk3288 I2S controller:
-
-i2s@...90000 {
- compatible = "rockchip,rk3288-i2s", "rockchip,rk3066-i2s";
- reg = <0xff890000 0x10000>;
- interrupts = <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>;
- dmas = <&pdma1 0>, <&pdma1 1>;
- dma-names = "tx", "rx";
- clock-names = "i2s_hclk", "i2s_clk";
- clocks = <&cru HCLK_I2S0>, <&cru SCLK_I2S0>;
- rockchip,playback-channels = <8>;
- rockchip,capture-channels = <2>;
-};
diff --git a/Documentation/devicetree/bindings/sound/rockchip-i2s.yaml b/Documentation/devicetree/bindings/sound/rockchip-i2s.yaml
new file mode 100644
index 000000000..eff06b4b5
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/rockchip-i2s.yaml
@@ -0,0 +1,106 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/rockchip-i2s.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Rockchip I2S controller
+
+description:
+ The I2S bus (Inter-IC sound bus) is a serial link for digital
+ audio data transfer between devices in the system.
+
+maintainers:
+ - Heiko Stuebner <heiko@...ech.de>
+
+properties:
+ compatible:
+ oneOf:
+ - const: rockchip,rk3066-i2s
+ - items:
+ - enum:
+ - rockchip,px30-i2s
+ - rockchip,rk3036-i2s
+ - rockchip,rk3188-i2s
+ - rockchip,rk3228-i2s
+ - rockchip,rk3288-i2s
+ - rockchip,rk3328-i2s
+ - rockchip,rk3366-i2s
+ - rockchip,rk3368-i2s
+ - rockchip,rk3399-i2s
+ - const: rockchip,rk3066-i2s
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ items:
+ - description: clock for I2S controller
+ - description: clock for I2S BUS
+
+ clock-names:
+ items:
+ - const: i2s_clk
+ - const: i2s_hclk
+
+ dmas:
+ items:
+ - description: TX DMA Channel
+ - description: RX DMA Channel
+
+ dma-names:
+ items:
+ - const: tx
+ - const: rx
+
+ rockchip,capture-channels:
+ allOf:
+ - $ref: /schemas/types.yaml#/definitions/uint32
+ default: 2
+ description:
+ Max capture channels, if not set, 2 channels default.
+
+ rockchip,playback-channels:
+ allOf:
+ - $ref: /schemas/types.yaml#/definitions/uint32
+ default: 8
+ description:
+ Max playback channels, if not set, 8 channels default.
+
+ rockchip,grf:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ description:
+ The phandle of the syscon node for the GRF register.
+ Required property for controllers which support multi channel
+ playback/capture.
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - clock-names
+ - dmas
+ - dma-names
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/rk3288-cru.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+ i2s@...90000 {
+ compatible = "rockchip,rk3288-i2s", "rockchip,rk3066-i2s";
+ reg = <0xff890000 0x10000>;
+ interrupts = <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&cru SCLK_I2S0>, <&cru HCLK_I2S0>;
+ clock-names = "i2s_clk", "i2s_hclk";
+ dmas = <&pdma1 0>, <&pdma1 1>;
+ dma-names = "tx", "rx";
+ rockchip,capture-channels = <2>;
+ rockchip,playback-channels = <8>;
+ };
--
2.11.0
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