[v2,1/5] dt-bindings: display: ti, k2g-dss: Add dt-schema yaml binding

Commit Message

Jyri Sarha Dec. 1, 2019, 1:49 p.m. UTC

Add dt-schema yaml bindig for K2G DSS, an ultra-light version of TI
Keystone Display SubSystem.

Signed-off-by: Jyri Sarha <[e-mail]>
---
 .../bindings/display/ti/ti,k2g-dss.yaml       | 97 +++++++++++++++++++
 1 file changed, 97 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/ti/ti,k2g-dss.yaml

Patch

diff --git a/Documentation/devicetree/bindings/display/ti/ti,k2g-dss.yaml b/Documentation/devicetree/bindings/display/ti/ti,k2g-dss.yaml
new file mode 100644
index 000000000000..2d92dea1c411
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/ti/ti,k2g-dss.yaml
@@ -0,0 +1,97 @@ 
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+# Copyright 2019 Texas Instruments Incorporated
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/display/ti/ti,k2g-dss.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Texas Instruments K2G Display Subsystem
+
+maintainers:
+  - Jyri Sarha <[e-mail]>
+  - Tomi Valkeinen <[e-mail]>
+
+description: |
+  The K2G DSS is an ultra-light version of TI Keystone Display
+  SubSystem. It has only one output port and video plane. The
+  output is DPI.
+
+properties:
+  compatible:
+    const: ti,k2g-dss
+
+  reg:
+    maxItems: 5
+    minItems: 5
+
+  reg-names:
+    items:
+      - const: cfg
+      - const: common
+      - const: vid1
+      - const: ovr1
+      - const: vp1
+
+  clocks:
+    maxItems: 2
+    minItems: 2
+
+  clock-names:
+    items:
+      - const: fck
+      - const: vp1
+
+  interrupts:
+    maxItems: 1
+
+  power-domains:
+    maxItems: 1
+    description: phandle to the associated power domain
+
+  port@0:
+    type: object
+    description:
+      The DSS DPI output port node
+
+  max-memory-bandwidth:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description:
+      Input memory (from main memory to dispc) bandwidth limit in
+      bytes per second
+
+required:
+  - compatible
+  - reg
+  - reg-names
+  - clocks
+  - clock-names
+  - interrupts
+  - port@0
+
+additionalProperties: false
+
+examples:
+  - |
+        dss: dss@02540000 {
+                compatible = "ti,k2g-dss";
+                reg =   <0x02540000 0x400>,
+                        <0x02550000 0x1000>,
+                        <0x02557000 0x1000>,
+                        <0x0255a800 0x100>,
+                        <0x0255ac00 0x100>;
+                reg-names = "cfg", "common", "vid1", "ovr1", "vp1";
+                clocks =        <&k2g_clks 0x2 0>,
+                                <&k2g_clks 0x2 1>;
+                clock-names = "fck", "vp1";
+                interrupts = <GIC_SPI 247 IRQ_TYPE_EDGE_RISING>;
+
+                power-domains = <&k2g_pds 0x2>;
+                status = "disabled";
+
+                max-memory-bandwidth = <230000000>;
+                port {
+                        dpi_out: endpoint {
+                                remote-endpoint = <&sii9022_in>;
+                        };
+                };
+        };