[PATCH] ARM: dts: r8a7742-iwg21d-q7-dbcm-ca: Enable VIN instances

From: Lad Prabhakar
Date: Wed Oct 14 2020 - 10:56:10 EST


Enable VIN instances along with OV5640 as endpoints on the adapter board.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
Reviewed-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
---
This patch applies on top of [1].

[1] https://git.kernel.org/pub/scm/linux/kernel/git/geert/
renesas-devel.git/log/?h=renesas-arm-dt-for-v5.11
---
.../boot/dts/r8a7742-iwg21d-q7-dbcm-ca.dts | 222 ++++++++++++++++++
1 file changed, 222 insertions(+)

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 961c0f2eeefb..98c3fbd89fa6 100644
--- a/arch/arm/boot/dts/r8a7742-iwg21d-q7-dbcm-ca.dts
+++ b/arch/arm/boot/dts/r8a7742-iwg21d-q7-dbcm-ca.dts
@@ -20,6 +20,30 @@
serial5 = &hscif0;
ethernet1 = &ether;
};
+
+ mclk_cam1: mclk-cam1 {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <26000000>;
+ };
+
+ mclk_cam2: mclk-cam2 {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <26000000>;
+ };
+
+ mclk_cam3: mclk-cam3 {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <26000000>;
+ };
+
+ mclk_cam4: mclk-cam4 {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <26000000>;
+ };
};

&avb {
@@ -47,6 +71,19 @@
};
};

+&gpio0 {
+ /* Disable hogging GP0_18 to output LOW */
+ /delete-node/ qspi_en;
+
+ /* Hog GP0_18 to output HIGH to enable VIN2 */
+ vin2_en {
+ gpio-hog;
+ gpios = <18 GPIO_ACTIVE_HIGH>;
+ output-high;
+ line-name = "VIN2_EN";
+ };
+};
+
&hscif0 {
pinctrl-0 = <&hscif0_pins>;
pinctrl-names = "default";
@@ -54,6 +91,94 @@
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";
+ 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";
+ 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 {
can0_pins: can0 {
groups = "can0_data_d";
@@ -70,6 +195,16 @@
function = "hscif0";
};

+ i2c1_pins: i2c1 {
+ groups = "i2c1_c";
+ function = "i2c1";
+ };
+
+ i2c3_pins: i2c3 {
+ groups = "i2c3";
+ function = "i2c3";
+ };
+
scif0_pins: scif0 {
groups = "scif0_data";
function = "scif0";
@@ -84,6 +219,31 @@
groups = "scifb1_data";
function = "scifb1";
};
+
+ vin0_8bit_pins: vin0 {
+ groups = "vin0_data8", "vin0_clk", "vin0_sync";
+ function = "vin0";
+ };
+
+ vin1_8bit_pins: vin1 {
+ groups = "vin1_data8_b", "vin1_clk_b", "vin1_sync_b";
+ function = "vin1";
+ };
+
+ vin2_pins: vin2 {
+ groups = "vin2_g8", "vin2_clk";
+ function = "vin2";
+ };
+
+ vin3_pins: vin3 {
+ groups = "vin3_data8", "vin3_clk", "vin3_sync";
+ function = "vin3";
+ };
+};
+
+&qspi {
+ /* Pins shared with VIN2, keep status disabled */
+ status = "disabled";
};

&scif0 {
@@ -106,3 +266,65 @@
rts-gpios = <&gpio4 21 GPIO_ACTIVE_LOW>;
cts-gpios = <&gpio4 17 GPIO_ACTIVE_LOW>;
};
+
+&vin0 {
+ /*
+ * Set SW2 switch on the SOM to 'ON'
+ * Set SW1 switch on camera board to 'OFF' as we are using 8bit mode
+ */
+ status = "okay";
+ pinctrl-0 = <&vin0_8bit_pins>;
+ pinctrl-names = "default";
+
+ port {
+ vin0ep: endpoint {
+ remote-endpoint = <&ov5640_0>;
+ bus-width = <8>;
+ bus-type = <6>;
+ };
+ };
+};
+
+&vin1 {
+ /* Set SW1 switch on the SOM to 'ON' */
+ status = "okay";
+ pinctrl-0 = <&vin1_8bit_pins>;
+ pinctrl-names = "default";
+
+ port {
+ vin1ep: endpoint {
+ remote-endpoint = <&ov5640_1>;
+ bus-width = <8>;
+ bus-type = <6>;
+ };
+ };
+};
+
+&vin2 {
+ status = "okay";
+ pinctrl-0 = <&vin2_pins>;
+ pinctrl-names = "default";
+
+ port {
+ vin2ep: endpoint {
+ remote-endpoint = <&ov5640_2>;
+ bus-width = <8>;
+ data-shift = <8>;
+ bus-type = <6>;
+ };
+ };
+};
+
+&vin3 {
+ status = "okay";
+ pinctrl-0 = <&vin3_pins>;
+ pinctrl-names = "default";
+
+ port {
+ vin3ep: endpoint {
+ remote-endpoint = <&ov5640_3>;
+ bus-width = <8>;
+ bus-type = <6>;
+ };
+ };
+};
--
2.17.1