[PATCH 4/4] dt-bindings: sound: Add documentation for KeemBay sound card and i2s

[Sia Jee Heng]

Document Intel KeemBay sound card and i2s DT bindings.

Signed-off-by: Sia Jee Heng <jee.heng.sia at intel.com>
---
 .../bindings/sound/intel,keembay-i2s.yaml          | 57 ++++++++++++++++++++++
 .../bindings/sound/intel,keembay-sound-card.yaml   | 30 ++++++++++++
 2 files changed, 87 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/intel,keembay-i2s.yaml
 create mode 100644 Documentation/devicetree/bindings/sound/intel,keembay-sound-card.yaml

diff --git a/Documentation/devicetree/bindings/sound/intel,keembay-i2s.yaml b/Documentation/devicetree/bindings/sound/intel,keembay-i2s.yaml
new file mode 100644
index 0000000..737a16d
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/intel,keembay-i2s.yaml
@@ -0,0 +1,57 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+# Copyright 2020 Intel Corporation
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/intel,keembay-i2s.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Intel KeemBay I2S Device Tree Bindings
+
+maintainers:
+  - Sia, Jee Heng <jee.heng.sia at intel.com>
+
+description: |
+ Intel KeemBay I2S
+
+properties:
+  compatible:
+    enum:
+      - snps,designware-i2s
+
+  reg:
+    items:
+      - description: Should contain registers location and length
+
+  reg-names:
+    items:
+      - const: i2s-regs
+      - const: i2s_gen_cfg
+      - const: i2s_gen_cfg_count
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: Bus Clock
+      - description: Module Clock
+
+  clock-names:
+    items:
+      - const: osc
+      - const: apb_clk
+
+examples:
+  - |
+     #include <dt-bindings/interrupt-controller/arm-gic.h>
+     #include <dt-bindings/interrupt-controller/irq.h>
+     #define KEEM_BAY_PSS_AUX_I2S3
+     #define KEEM_BAY_PSS_I2S3
+     i2s at 20140000 {
+         compatible = "snps,designware-i2s";
+         reg = <0x0 0x20140000 0x0 0x200 0x0 0x202a00a4 0x0 0x4 0x0 0x202a00c0 0x0 0x4>;
+         reg-names = "i2s-regs", "i2s_gen_cfg", "i2s_gen_cfg_count";
+         interrupts = <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>;
+         clock-names = "osc", "apb_clk";
+         clocks = <&scmi_clk KEEM_BAY_PSS_AUX_I2S3>, <&scmi_clk KEEM_BAY_PSS_I2S3>;
+     };
diff --git a/Documentation/devicetree/bindings/sound/intel,keembay-sound-card.yaml b/Documentation/devicetree/bindings/sound/intel,keembay-sound-card.yaml
new file mode 100644
index 0000000..cca413a9
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/intel,keembay-sound-card.yaml
@@ -0,0 +1,30 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+# Copyright 2020 Intel Corporation
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/intel,keembay-sound-card.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Intel KeemBay Sound Card
+
+maintainers:
+  - Sia, Jee Heng <jee.heng.sia at intel.com>
+
+description: |
+ Intel KeemBay Sound Card DT Binding
+
+properties:
+  compatible:
+    enum:
+      - intel,kmb-snd-asoc
+
+  intel,pcm-audio:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description: phandle of the i2s
+
+examples:
+ - |
+    sound {
+      compatible = "intel,kmb-snd-asoc";
+      intel,pcm-audio = <&i2s3>;
+    };
-- 
1.9.1