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ARM: dts: r8a7742-iwg21d-q7-dbcm-ca: Separate out ov5640 nodes 

The camera daughter board can also be connected to 8-bit ov7725 sensors,
so in preparation for configurable option to choose depending on the
camera's connected separate out the ov5640 nodes in a dtsi file.

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/20210122113424.2833127-2-geert+renesas@glider.be
This commit is contained in:
Lad Prabhakar 2021-01-22 12:34:23 +01:00 committed by Geert Uytterhoeven
parent a38fd87484
commit 97ed7c0a63
2 changed files with 105 additions and 78 deletions
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151
arch/arm/boot/dts/r8a7742-iwg21d-q7-dbcm-ca.dts
View File

@ -91,92 +91,20 @@
status = "okay";
};
&i2c0 {
ov5640@3c {
compatible = "ovti,ov5640";
reg = <0x3c>;
clocks = <&mclk_cam1>;
clock-names = "xclk";
port {
ov5640_0: endpoint {
bus-width = <8>;
data-shift = <2>;
bus-type = <6>;
pclk-sample = <1>;
remote-endpoint = <&vin0ep>;
};
};
};
};
&i2c1 {
pinctrl-0 = <&i2c1_pins>;
pinctrl-names = "default";
status = "okay";
/* status set to "okay" when needed by camera configuration below */
clock-frequency = <400000>;
ov5640@3c {
compatible = "ovti,ov5640";
reg = <0x3c>;
clocks = <&mclk_cam2>;
clock-names = "xclk";
port {
ov5640_1: endpoint {
bus-width = <8>;
data-shift = <2>;
bus-type = <6>;
pclk-sample = <1>;
remote-endpoint = <&vin1ep>;
};
};
};
};
&i2c2 {
ov5640@3c {
compatible = "ovti,ov5640";
reg = <0x3c>;
clocks = <&mclk_cam3>;
clock-names = "xclk";
port {
ov5640_2: endpoint {
bus-width = <8>;
data-shift = <2>;
bus-type = <6>;
pclk-sample = <1>;
remote-endpoint = <&vin2ep>;
};
};
};
};
&i2c3 {
pinctrl-0 = <&i2c3_pins>;
pinctrl-names = "default";
status = "okay";
/* status set to "okay" when needed by camera configuration below */
clock-frequency = <400000>;
ov5640@3c {
compatible = "ovti,ov5640";
reg = <0x3c>;
clocks = <&mclk_cam4>;
clock-names = "xclk";
port {
ov5640_3: endpoint {
bus-width = <8>;
data-shift = <2>;
bus-type = <6>;
pclk-sample = <1>;
remote-endpoint = <&vin3ep>;
};
};
};
};
&pfc {
@ -267,6 +195,21 @@
cts-gpios = <&gpio4 17 GPIO_ACTIVE_LOW>;
};
/*
* Below configuration ties VINx endpoints to ov5640/ov7725 camera endpoints
*
* Uncomment the #include statements to change configuration
*/
/* 8bit CMOS Camera 1 (J13) */
#define CAM_PARENT_I2C i2c0
#define MCLK_CAM mclk_cam1
#define CAM_EP cam0ep
#define VIN_EP vin0ep
#undef CAM_ENABLED
#include "r8a7742-iwg21d-q7-dbcm-ov5640-single.dtsi"
#ifdef CAM_ENABLED
&vin0 {
/*
* Set SW2 switch on the SOM to 'ON'
@ -278,13 +221,28 @@
port {
vin0ep: endpoint {
remote-endpoint = <&ov5640_0>;
remote-endpoint = <&cam0ep>;
bus-width = <8>;
bus-type = <6>;
};
};
};
#endif /* CAM_ENABLED */
#undef CAM_PARENT_I2C
#undef MCLK_CAM
#undef CAM_EP
#undef VIN_EP
/* 8bit CMOS Camera 2 (J14) */
#define CAM_PARENT_I2C i2c1
#define MCLK_CAM mclk_cam2
#define CAM_EP cam1ep
#define VIN_EP vin1ep
#undef CAM_ENABLED
#include "r8a7742-iwg21d-q7-dbcm-ov5640-single.dtsi"
#ifdef CAM_ENABLED
&vin1 {
/* Set SW1 switch on the SOM to 'ON' */
status = "okay";
@ -293,13 +251,29 @@
port {
vin1ep: endpoint {
remote-endpoint = <&ov5640_1>;
remote-endpoint = <&cam1ep>;
bus-width = <8>;
bus-type = <6>;
};
};
};
#endif /* CAM_ENABLED */
#undef CAM_PARENT_I2C
#undef MCLK_CAM
#undef CAM_EP
#undef VIN_EP
/* 8bit CMOS Camera 3 (J12) */
#define CAM_PARENT_I2C i2c2
#define MCLK_CAM mclk_cam3
#define CAM_EP cam2ep
#define VIN_EP vin2ep
#undef CAM_ENABLED
#include "r8a7742-iwg21d-q7-dbcm-ov5640-single.dtsi"
#ifdef CAM_ENABLED
&vin2 {
status = "okay";
pinctrl-0 = <&vin2_pins>;
@ -307,14 +281,29 @@
port {
vin2ep: endpoint {
remote-endpoint = <&ov5640_2>;
remote-endpoint = <&cam2ep>;
bus-width = <8>;
data-shift = <8>;
bus-type = <6>;
};
};
};
#endif /* CAM_ENABLED */
#undef CAM_PARENT_I2C
#undef MCLK_CAM
#undef CAM_EP
#undef VIN_EP
/* 8bit CMOS Camera 4 (J11) */
#define CAM_PARENT_I2C i2c3
#define MCLK_CAM mclk_cam4
#define CAM_EP cam3ep
#define VIN_EP vin3ep
#undef CAM_ENABLED
#include "r8a7742-iwg21d-q7-dbcm-ov5640-single.dtsi"
#ifdef CAM_ENABLED
&vin3 {
status = "okay";
pinctrl-0 = <&vin3_pins>;
@ -322,9 +311,15 @@
port {
vin3ep: endpoint {
remote-endpoint = <&ov5640_3>;
remote-endpoint = <&cam3ep>;
bus-width = <8>;
bus-type = <6>;
};
};
};
#endif /* CAM_ENABLED */
#undef CAM_PARENT_I2C
#undef MCLK_CAM
#undef CAM_EP
#undef VIN_EP

32
arch/arm/boot/dts/r8a7742-iwg21d-q7-dbcm-ov5640-single.dtsi Normal file
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@ -0,0 +1,32 @@
// SPDX-License-Identifier: GPL-2.0
/*
* This include file ties a VIN interface with a single ov5640 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";
ov5640@3c {
compatible = "ovti,ov5640";
reg = <0x3c>;
clocks = <&MCLK_CAM>;
clock-names = "xclk";
status = "okay";
port {
CAM_EP: endpoint {
bus-width = <8>;
data-shift = <2>;
bus-type = <6>;
pclk-sample = <1>;
remote-endpoint = <&VIN_EP>;
};
};
};
};