dt-bindings: Add device-tree bindings for aon spi & interface drivers

Add snapshot of device-tree bindings for AON spi, interface and
it's corresponding rpmsg drivers from msm-5.15.c2 in YAML format.

Snapshot is taken from msm-5.15.c2 kernel commit 95ffcf910eee
("ARM: dts: msm: add aon-rma glink node").

Change-Id: I5c66e660b674fee78f541b267027a34f92717e0c
Signed-off-by: Koushik Immadisetty <quic_kimmadis@quicinc.com>

bindings/soc/qcom/qcom,slatecom_interface.yaml

@@ -0,0 +1,38 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/qcom/qcom,slatecom_interface.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Slatecom Interface Driver
+
+maintainers:
+  - Praveen koya <quic_pkoya@quicinc.com>
+
+description: |
+  slatecom_interface driver creates a slate_com_dev device
+  node for user space communication. Single user space
+  client can open device node for communication from hardware.
+  Hardware will provide access to read/write registers or AHB
+  memory in the device.
+
+properties:
+  compatible:
+    const: qcom,slate-daemon
+
+  qcom,platform-reset-gpio:
+    description: This gpio state used to make boot decision for slate subsystem.
+
+required:
+  - compatible
+  - qcom,platform-reset-gpio
+
+additionalProperties: false
+
+examples:
+  - |
+    qcom,slate-daemon {
+        compatible = "qcom,slate-daemon";
+        qcom,platform-reset-gpio = <&pm5100_gpios 15 0>;
+    };
+

bindings/soc/qcom/qcom,slatecom_rpmsg.yaml

@@ -0,0 +1,46 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/qcom/qcom,slatecom_rpmsg.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Slatecom RPMSG Driver
+
+maintainers:
+  - Praveen koya <quic_pkoya@quicinc.com>
+
+description: |
+  slatecom_rpmsg driver provides functionality
+  to send and receive data over Glink from slate co processor.
+
+properties:
+  compatible:
+    const: qcom,slatecom-rpmsg
+
+  qcom,glink-channels:
+    $ref: '/schemas/types.yaml#/definitions/string'
+    description: specifies the glink channel name
+
+  qcom,glinkpkt-edge:
+    $ref: '/schemas/types.yaml#/definitions/string'
+    description: specifies the glink edge to match
+
+  intents:
+    description: specifies the size and count of intents to glink
+
+required:
+  - compatible
+  - qcom,glink-channels
+  - qcom,glinkpkt-edge
+
+additionalProperties: false
+
+examples:
+  - |
+    qcom,slatecom-rpmsg {
+      compatible = "qcom,slatecom-rpmsg";
+      qcom,glink-channels = "slate_ctrl";
+      qcom,glinkpkt-edge = "slate";
+      intents = <0x200 1>;
+    };
+

bindings/soc/qcom/qcom,slatecom_spi.yaml

@@ -0,0 +1,37 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/qcom/qcom,slatecom_spi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Slate Coprocessor Communication Driver
+
+maintainers:
+  - Praveen koya <quic_pkoya@quicinc.com>
+
+description: |
+  slatecom_spi driver provides a set of apis to perform
+  register, fifo, ahb read and write operations with slate
+  over spi interface. It also reads slate status and
+  sends events to the registered clients.
+
+properties:
+  compatible:
+    const: qcom,slate-spi
+
+  qcom,irq-gpio:
+    description: IRQ used by the slate to inturrupt MSM.
+
+required:
+  - compatible
+
+additionalProperties: false
+
+examples:
+  - |
+    qcom,slate-spi {
+      compatible = "qcom,slate-spi";
+      interrupt-parent = <&tlmm>;
+      /* IRQ from slate */
+      qcom,irq-gpio = <&tlmm 104 1>;
+    };