linux-kernel - [PATCH v2 1/2] dt-bindings: media: i2c: add galaxycore,gc2145 DVP bus support

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Message-ID: <20240222062214.2627810-2-andrej.skvortzov@gmail.com>
Date: Thu, 22 Feb 2024 09:22:13 +0300
From: Andrey Skvortsov <andrej.skvortzov@...il.com>
To: Sakari Ailus <sakari.ailus@...ux.intel.com>,
	Alain Volmat <alain.volmat@...s.st.com>,
	Mauro Carvalho Chehab <mchehab@...nel.org>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	linux-media@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: Ondřej Jirman <megi@....cz>,
	Pavel Machek <pavel@....cz>,
	Arnaud Ferraris <arnaud.ferraris@...labora.com>,
	Andrey Skvortsov <andrej.skvortzov@...il.com>,
	Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH v2 1/2] dt-bindings: media: i2c: add galaxycore,gc2145 DVP bus support

Signed-off-by: Andrey Skvortsov <andrej.skvortzov@...il.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 .../bindings/media/i2c/galaxycore,gc2145.yaml | 65 ++++++++++++++++++-
 1 file changed, 64 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/media/i2c/galaxycore,gc2145.yaml b/Documentation/devicetree/bindings/media/i2c/galaxycore,gc2145.yaml
index 1726ecca4c77..3ca5bb94502d 100644
--- a/Documentation/devicetree/bindings/media/i2c/galaxycore,gc2145.yaml
+++ b/Documentation/devicetree/bindings/media/i2c/galaxycore,gc2145.yaml
@@ -61,8 +61,38 @@ properties:
         properties:
           link-frequencies: true
 
+          bus-type:
+            enum:
+              - 4 # CSI-2 D-PHY
+              - 5 # Parallel
+            default: 4
+
+          bus-width:
+            const: 8
+
+          hsync-active:
+            enum: [0, 1]
+            default: 1
+
+          vsync-active:
+            enum: [0, 1]
+            default: 1
+
+          pclk-sample:
+            enum: [0, 1]
+            default: 1
+
         required:
-          - link-frequencies
+          - bus-type
+
+        allOf:
+          - if:
+              properties:
+                bus-type:
+                  const: 4
+            then:
+              required:
+                - link-frequencies
 
     required:
       - endpoint
@@ -84,6 +114,7 @@ additionalProperties: false
 
 examples:
   - |
+    #include <dt-bindings/media/video-interfaces.h>
     #include <dt-bindings/gpio/gpio.h>
 
     i2c {
@@ -103,6 +134,7 @@ examples:
             port {
                 endpoint {
                     remote-endpoint = <&mipid02_0>;
+                    bus-type = <MEDIA_BUS_TYPE_CSI2_DPHY>;
                     data-lanes = <1 2>;
                     link-frequencies = /bits/ 64 <120000000 192000000 240000000>;
                 };
@@ -110,4 +142,35 @@ examples:
         };
     };
 
+  - |
+    #include <dt-bindings/media/video-interfaces.h>
+    #include <dt-bindings/gpio/gpio.h>
+
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        camera@3c {
+            compatible = "galaxycore,gc2145";
+            reg = <0x3c>;
+            clocks = <&clk_ext_camera>;
+            iovdd-supply = <&scmi_v3v3_sw>;
+            avdd-supply = <&scmi_v3v3_sw>;
+            dvdd-supply = <&scmi_v3v3_sw>;
+            powerdown-gpios = <&mcp23017 3 (GPIO_ACTIVE_LOW | GPIO_PUSH_PULL)>;
+            reset-gpios = <&mcp23017 4 (GPIO_ACTIVE_LOW | GPIO_PUSH_PULL)>;
+
+            port {
+                endpoint {
+                    remote-endpoint = <&parallel_from_gc2145>;
+                    bus-type = <MEDIA_BUS_TYPE_PARALLEL>;
+                    bus-width = <8>;
+                    hsync-active = <1>;
+                    vsync-active = <1>;
+                    pclk-sample = <1>;
+                };
+            };
+        };
+    };
+
 ...
-- 
2.43.0