From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Date: Fri, 22 Jan 2021 11:34:24 +0000 (+0100)
Subject: ARM: dts: r8a7742-iwg21d-q7-dbcm-ca: Add support for 8-bit ov7725 sensors
X-Git-Tag: accepted/tizen/unified/20230118.172025~7193^2~3^2~32
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=22650045d9399bc760e34307e947599ebbb87be3;p=platform%2Fkernel%2Flinux-rpi.git

ARM: dts: r8a7742-iwg21d-q7-dbcm-ca: Add support for 8-bit ov7725 sensors

The 8-bit ov7725 sensors can also be connected to the camera daughter
board.

This patch creates a separate dtsi file to describe an ov7725 sensor,
and includes it multiple times in r8a7742-iwg21d-q7-dbcm-ca.dts. The
user can (un)comment #include statements depending on the cameras
connected.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
[geert: describe a single camera in the .dtsi, include multiple times]
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20210122113424.2833127-3-geert+renesas@glider.be
---

diff --git a/arch/arm/boot/dts/r8a7742-iwg21d-q7-dbcm-ca.dts b/arch/arm/boot/dts/r8a7742-iwg21d-q7-dbcm-ca.dts
index bc8280b..2bcb229 100644
--- a/arch/arm/boot/dts/r8a7742-iwg21d-q7-dbcm-ca.dts
+++ b/arch/arm/boot/dts/r8a7742-iwg21d-q7-dbcm-ca.dts
@@ -198,7 +198,7 @@
 /*
  * Below configuration ties VINx endpoints to ov5640/ov7725 camera endpoints
  *
- * Uncomment the #include statements to change configuration
+ * (un)comment the #include statements to change configuration
  */
 
 /* 8bit CMOS Camera 1 (J13) */
@@ -208,6 +208,7 @@
 #define VIN_EP			vin0ep
 #undef CAM_ENABLED
 #include "r8a7742-iwg21d-q7-dbcm-ov5640-single.dtsi"
+//#include "r8a7742-iwg21d-q7-dbcm-ov7725-single.dtsi"
 
 #ifdef CAM_ENABLED
 &vin0 {
@@ -241,6 +242,7 @@
 #define VIN_EP			vin1ep
 #undef CAM_ENABLED
 #include "r8a7742-iwg21d-q7-dbcm-ov5640-single.dtsi"
+//#include "r8a7742-iwg21d-q7-dbcm-ov7725-single.dtsi"
 
 #ifdef CAM_ENABLED
 &vin1 {
@@ -272,6 +274,7 @@
 #define VIN_EP			vin2ep
 #undef CAM_ENABLED
 #include "r8a7742-iwg21d-q7-dbcm-ov5640-single.dtsi"
+//#include "r8a7742-iwg21d-q7-dbcm-ov7725-single.dtsi"
 
 #ifdef CAM_ENABLED
 &vin2 {
@@ -302,6 +305,7 @@
 #define VIN_EP			vin3ep
 #undef CAM_ENABLED
 #include "r8a7742-iwg21d-q7-dbcm-ov5640-single.dtsi"
+//#include "r8a7742-iwg21d-q7-dbcm-ov7725-single.dtsi"
 
 #ifdef CAM_ENABLED
 &vin3 {
diff --git a/arch/arm/boot/dts/r8a7742-iwg21d-q7-dbcm-ov7725-single.dtsi b/arch/arm/boot/dts/r8a7742-iwg21d-q7-dbcm-ov7725-single.dtsi
new file mode 100644
index 0000000..f5e77f0
--- /dev/null
+++ b/arch/arm/boot/dts/r8a7742-iwg21d-q7-dbcm-ov7725-single.dtsi
@@ -0,0 +1,29 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * This include file ties a VIN interface with a single ov7725 sensor on
+ * the iWave-RZ/G1H Qseven board development platform connected with the
+ * camera daughter board.
+ *
+ * Copyright (C) 2020 Renesas Electronics Corp.
+ */
+
+#define CAM_ENABLED	1
+
+&CAM_PARENT_I2C {
+	status = "okay";
+
+	ov7725@21 {
+		compatible = "ovti,ov7725";
+		reg = <0x21>;
+		clocks = <&MCLK_CAM>;
+		status = "okay";
+
+		port {
+			CAM_EP: endpoint {
+				bus-width = <8>;
+				bus-type = <6>;
+				remote-endpoint = <&VIN_EP>;
+			};
+		};
+	};
+};