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Message-Id: <1661872039-40174-1-git-send-email-fengzheng923@gmail.com>
Date: Tue, 30 Aug 2022 08:07:19 -0700
From: Ban Tao <fengzheng923@...il.com>
To: fengzheng923@...il.com, lgirdwood@...il.com, broonie@...nel.org,
robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
wens@...e.org, jernej.skrabec@...il.com, samuel@...lland.org,
alsa-devel@...a-project.org
Cc: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-sunxi@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: [PATCH v9 2/2] ASoC: sun50i-dmic: dt-bindings: add DT bindings for DMIC controller
DT binding documentation for this new ASoC driver.
Signed-off-by: Ban Tao <fengzheng923@...il.com>
Reviewed-by: Rob Herring <robh@...nel.org>
Reviewed-by: Maxime Ripard <maxime@...no.tech>
---
v1->v2:
1.Fix some build errors.
v2->v3:
1.Fix some build errors.
v3->v4:
1.None.
v4->v5:
1.Add interrupt.
2.Keep clock and reset index.
v5->v6:
1.None.
v6->v7:
1.None.
v7->v8:
1.Fix some build errors.
v8->v9:
1.None.
---
.../bindings/sound/allwinner,sun50i-h6-dmic.yaml | 79 ++++++++++++++++++++++
1 file changed, 79 insertions(+)
create mode 100644 Documentation/devicetree/bindings/sound/allwinner,sun50i-h6-dmic.yaml
diff --git a/Documentation/devicetree/bindings/sound/allwinner,sun50i-h6-dmic.yaml b/Documentation/devicetree/bindings/sound/allwinner,sun50i-h6-dmic.yaml
new file mode 100644
index 0000000..0cfc07f
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/allwinner,sun50i-h6-dmic.yaml
@@ -0,0 +1,79 @@
+# SPDX-License-Identifier: (GPL-2.0+ OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/allwinner,sun50i-h6-dmic.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Allwinner H6 DMIC Device Tree Bindings
+
+maintainers:
+ - Ban Tao <fengzheng923@...il.com>
+
+properties:
+ "#sound-dai-cells":
+ const: 0
+
+ compatible:
+ const: allwinner,sun50i-h6-dmic
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ items:
+ - description: Bus Clock
+ - description: Module Clock
+
+ clock-names:
+ items:
+ - const: bus
+ - const: mod
+
+ dmas:
+ items:
+ - description: RX DMA Channel
+
+ dma-names:
+ items:
+ - const: rx
+
+ resets:
+ maxItems: 1
+
+required:
+ - "#sound-dai-cells"
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - clock-names
+ - dmas
+ - dma-names
+ - resets
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+
+ #include <dt-bindings/clock/sun50i-h6-ccu.h>
+ #include <dt-bindings/reset/sun50i-h6-ccu.h>
+
+ dmic: dmic@...5000 {
+ #sound-dai-cells = <0>;
+ compatible = "allwinner,sun50i-h6-dmic";
+ reg = <0x05095000 0x400>;
+ interrupts = <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&ccu CLK_BUS_DMIC>, <&ccu CLK_DMIC>;
+ clock-names = "bus", "mod";
+ dmas = <&dma 7>;
+ dma-names = "rx";
+ resets = <&ccu RST_BUS_DMIC>;
+ };
+
+...
--
2.7.4
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