media: dt-bindings: nokia,smia: Amend SMIA bindings with MIPI CCS support

Amend the existing SMIA bindings by adding MIPI CCS support, with separate
compatible strings for CCS 1.0 and CCS 1.1. Rename the old bindings
accordingly as CCS is the current standard.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

diff --git a/Documentation/devicetree/bindings/media/i2c/nokia,smia.yaml b/Documentation/devicetree/bindings/media/i2c/mipi-ccs.yaml
similarity index 81%
rename from Documentation/devicetree/bindings/media/i2c/nokia,smia.yaml
rename to Documentation/devicetree/bindings/media/i2c/mipi-ccs.yaml
index 47df08338a42840d2d7ca8574b46015482ee01f7..a386ee246956a7faf6937f1aacad317a38ac8d29 100644 (file)
--- a/Documentation/devicetree/bindings/media/i2c/nokia,smia.yaml
+++ b/Documentation/devicetree/bindings/media/i2c/mipi-ccs.yaml
@@ -1,26 +1,37 @@
 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
 # Copyright (C) 2014--2020 Intel Corporation
 
-$id: http://devicetree.org/schemas/media/i2c/nokia,smia.yaml#
+$id: http://devicetree.org/schemas/media/i2c/mipi-ccs.yaml#
 $schema: http://devicetree.org/meta-schemas/core.yaml#
 
-title: SMIA/SMIA++ sensor
+title: MIPI CCS, SMIA++ and SMIA compliant camera sensors
 
 maintainers:
   - Sakari Ailus <sakari.ailus@linux.intel.com>
 
 description:
 
+  CCS (Camera Command Set) is a raw Bayer camera sensor standard defined by the
+  MIPI Alliance; see
+  <URL:https://www.mipi.org/specifications/camera-command-set>.
+
   SMIA (Standard Mobile Imaging Architecture) is an image sensor standard
   defined jointly by Nokia and ST. SMIA++, defined by Nokia, is an extension of
-  that. These definitions are valid for both types of sensors.
+  that.
 
   More detailed documentation can be found in
   Documentation/devicetree/bindings/media/video-interfaces.txt .
 
 properties:
   compatible:
-    const: nokia,smia
+    oneOf:
+      - items:
+        - const: mipi-ccs-1.1
+        - const: mipi-ccs
+      - items:
+        - const: mipi-ccs-1.0
+        - const: mipi-ccs
+      - const: nokia,smia
 
   reg:
     maxItems: 1
@@ -89,14 +100,14 @@ examples:
         clock-frequency = <400000>;
 
         camera-sensor@10 {
-            compatible = "nokia,smia";
+            compatible = "mipi-ccs-1.0", "mipi-ccs";
             reg = <0x10>;
             reset-gpios = <&gpio3 20 GPIO_ACTIVE_LOW>;
             vana-supply = <&vaux3>;
             clocks = <&omap3_isp 0>;
             clock-frequency = <9600000>;
             port {
-                smiapp_ep: endpoint {
+                ccs_ep: endpoint {
                     data-lanes = <1 2>;
                     remote-endpoint = <&csi2a_ep>;
                     link-frequencies = /bits/ 64 <199200000 210000000

diff --git a/MAINTAINERS b/MAINTAINERS
index 38faf82ef7665b165c51ef4c8c36083d8bf6aada..5c05e7bf7ffde126b0cb389c1ec4f54a4870baec 100644 (file)
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -11634,7 +11634,7 @@ MIPI CCS, SMIA AND SMIA++ IMAGE SENSOR DRIVER
 M:     Sakari Ailus <sakari.ailus@linux.intel.com>
 L:     linux-media@vger.kernel.org
 S:     Maintained
-F:     Documentation/devicetree/bindings/media/i2c/nokia,smia.yaml
+F:     Documentation/devicetree/bindings/media/i2c/mipi-ccs.yaml
 F:     Documentation/driver-api/media/drivers/ccs/
 F:     drivers/media/i2c/ccs/
 F:     drivers/media/i2c/smiapp-pll.c