From: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
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@xxxxxxxxxxxxxx>
Reviewed-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
[geert: describe a single camera in the .dtsi, include multiple times]
Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
---
v5:
- Enable parent i2c bus when needed,
v4:
- Describe a single camera in the .dtsi file,
- Include the .dtsi multiple times.
---
.../boot/dts/r8a7742-iwg21d-q7-dbcm-ca.dts | 6 +++-
.../r8a7742-iwg21d-q7-dbcm-ov7725-single.dtsi | 29 +++++++++++++++++++
2 files changed, 34 insertions(+), 1 deletion(-)
create mode 100644 arch/arm/boot/dts/r8a7742-iwg21d-q7-dbcm-ov7725-single.dtsi
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 bc8280b2ac47e3ec..2bcb229844abc5c2 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 @@ &scifb1 {
/*
* 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 @@ &scifb1 {
#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 @@ vin0ep: endpoint {
#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 @@ vin1ep: endpoint {
#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 @@ vin2ep: endpoint {
#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 0000000000000000..f5e77f0242516720
--- /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>;
+ };
+ };
+ };
+};
--
2.25.1
