From: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx> 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@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: - Only enable i2c buses when needed, v4: - Describe a single camera in the .dtsi file, - Include the .dtsi multiple times. --- .../boot/dts/r8a7742-iwg21d-q7-dbcm-ca.dts | 155 +++++++++--------- .../r8a7742-iwg21d-q7-dbcm-ov5640-single.dtsi | 32 ++++ 2 files changed, 107 insertions(+), 80 deletions(-) create mode 100644 arch/arm/boot/dts/r8a7742-iwg21d-q7-dbcm-ov5640-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 98c3fbd89fa6c5c7..bc8280b2ac47e3ec 100644 --- a/arch/arm/boot/dts/r8a7742-iwg21d-q7-dbcm-ca.dts +++ b/arch/arm/boot/dts/r8a7742-iwg21d-q7-dbcm-ca.dts @@ -91,92 +91,20 @@ &hscif0 { 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 @@ &scifb1 { 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 @@ &vin0 { 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 @@ &vin1 { 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 @@ &vin2 { 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 @@ &vin3 { 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 diff --git a/arch/arm/boot/dts/r8a7742-iwg21d-q7-dbcm-ov5640-single.dtsi b/arch/arm/boot/dts/r8a7742-iwg21d-q7-dbcm-ov5640-single.dtsi new file mode 100644 index 0000000000000000..70c72ba4fe724a70 --- /dev/null +++ b/arch/arm/boot/dts/r8a7742-iwg21d-q7-dbcm-ov5640-single.dtsi @@ -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>; + }; + }; + }; +}; -- 2.25.1