[PATCH v10 1/6] dt-bindings: display: Add support for Intel KeemBay Display

Anitha Chrisanthus anitha.chrisanthus at intel.com
Thu Oct 29 21:27:52 UTC 2020


This patch adds bindings for Intel KeemBay Display

v2: review changes from Rob Herring
v3: review changes from Sam Ravnborg (removed mipi dsi entries, and
    encoder entry, connect port to dsi)
    MSSCAM is part of the display submodule and its used to reset LCD
    and MIPI DSI clocks, so its best to be on this device tree.

Signed-off-by: Anitha Chrisanthus <anitha.chrisanthus at intel.com>
Cc: Sam Ravnborg <sam at ravnborg.org>
Cc: Thomas Zimmermann <tzimmermann at suse.de>
Cc: Daniel Vetter <daniel at ffwll.ch>
---
 .../bindings/display/intel,keembay-display.yaml    | 75 ++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/intel,keembay-display.yaml

diff --git a/Documentation/devicetree/bindings/display/intel,keembay-display.yaml b/Documentation/devicetree/bindings/display/intel,keembay-display.yaml
new file mode 100644
index 0000000..8a8effe
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/intel,keembay-display.yaml
@@ -0,0 +1,75 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/intel,keembay-display.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Devicetree bindings for Intel Keem Bay display controller
+
+maintainers:
+  - Anitha Chrisanthus <anitha.chrisanthus at intel.com>
+  - Edmond J Dea <edmund.j.dea at intel.com>
+
+properties:
+  compatible:
+    const: intel,keembay-display
+
+  reg:
+    items:
+      - description: LCD registers range
+      - description: Msscam registers range
+
+  reg-names:
+    items:
+      - const: lcd
+      - const: msscam
+
+  clocks:
+    items:
+      - description: LCD controller clock
+      - description: pll0 clock
+
+  clock-names:
+    items:
+      - const: clk_lcd
+      - const: clk_pll0
+
+  interrupts:
+    maxItems: 1
+
+  port:
+    type: object
+    description: Display output node to DSI.
+
+required:
+  - compatible
+  - reg
+  - reg-names
+  - clocks
+  - clock-names
+  - interrupts
+  - port
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+    display at 20930000 {
+        compatible = "intel,keembay-display";
+        reg = <0x20930000 0x3000>,
+              <0x20910000 0x30>;
+        reg-names = "lcd", "msscam";
+        interrupts = <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>;
+        clocks = <&scmi_clk 0x83>,
+                 <&scmi_clk 0x0>;
+        clock-names = "clk_lcd", "clk_pll0";
+
+        port {
+            disp_out: endpoint {
+                remote-endpoint = <&dsi_in>;
+            };
+        };
+    };
-- 
2.7.4



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