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Subject[PATCH 5/6] [DO NOT MERGE] ARM: dts: sunxi: bananapi-m2p: Add HDF5640 camera module
Date
The Bananapi M2+ comes with an optional sensor based on the ov5640 from
Omnivision. Enable the support for it in the DT.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
---
arch/arm/boot/dts/sunxi-bananapi-m2-plus.dtsi | 87 +++++++++++++++++++
1 file changed, 87 insertions(+)

diff --git a/arch/arm/boot/dts/sunxi-bananapi-m2-plus.dtsi b/arch/arm/boot/dts/sunxi-bananapi-m2-plus.dtsi
index b3283aeb5b7d..d97a98acf378 100644
--- a/arch/arm/boot/dts/sunxi-bananapi-m2-plus.dtsi
+++ b/arch/arm/boot/dts/sunxi-bananapi-m2-plus.dtsi
@@ -89,6 +89,42 @@
};
};

+ reg_cam_avdd: cam-avdd {
+ compatible = "regulator-fixed";
+ regulator-name = "csi-avdd";
+ regulator-min-microvolt = <2800000>;
+ regulator-max-microvolt = <2800000>;
+ startup-delay-us = <200>; /* 50 us + board delays */
+ enable-active-high;
+ gpio = <&pio 3 14 GPIO_ACTIVE_HIGH>; /* PD14 */
+ };
+
+ reg_cam_dovdd: cam-dovdd {
+ compatible = "regulator-fixed";
+ regulator-name = "csi-dovdd";
+ regulator-min-microvolt = <2800000>;
+ regulator-max-microvolt = <2800000>;
+ /*
+ * This regulator also powers the pull-ups for the I2C bus.
+ * For some reason, if this is turned off, subsequent use
+ * of the I2C bus, even when turned on, does not work.
+ */
+ startup-delay-us = <200>; /* 50 us + board delays */
+ regulator-always-on;
+ enable-active-high;
+ gpio = <&pio 3 14 GPIO_ACTIVE_HIGH>; /* PD14 */
+ };
+
+ reg_cam_dvdd: cam-dvdd {
+ compatible = "regulator-fixed";
+ regulator-name = "csi-dvdd";
+ regulator-min-microvolt = <1500000>;
+ regulator-max-microvolt = <1500000>;
+ startup-delay-us = <200>; /* 50 us + board delays */
+ enable-active-high;
+ gpio = <&pio 3 14 GPIO_ACTIVE_HIGH>; /* PD14 */
+ };
+
reg_gmac_3v3: gmac-3v3 {
compatible = "regulator-fixed";
regulator-name = "gmac-3v3";
@@ -106,6 +142,26 @@
};
};

+&csi {
+ status = "okay";
+
+ port {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ /* Parallel bus endpoint */
+ csi_from_ov5640: endpoint {
+ remote-endpoint = <&ov5640_to_csi>;
+ bus-width = <8>;
+ data-shift = <2>;
+ hsync-active = <1>; /* Active high */
+ vsync-active = <0>; /* Active low */
+ data-active = <1>; /* Active high */
+ pclk-sample = <1>; /* Rising */
+ };
+ };
+};
+
&de {
status = "okay";
};
@@ -149,6 +205,37 @@
};
};

+&i2c2 {
+ status = "okay";
+
+ ov5640: camera@3c {
+ compatible = "ovti,ov5640";
+ reg = <0x3c>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&csi_mclk_pin>;
+ clocks = <&ccu CLK_CSI_MCLK>;
+ clock-names = "xclk";
+
+ reset-gpios = <&pio 4 14 GPIO_ACTIVE_LOW>; /* PE14 */
+ powerdown-gpios = <&pio 4 15 GPIO_ACTIVE_HIGH>; /* PE15 */
+ AVDD-supply = <&reg_cam_avdd>;
+ DOVDD-supply = <&reg_cam_dovdd>;
+ DVDD-supply = <&reg_cam_dvdd>;
+
+ port {
+ ov5640_to_csi: endpoint {
+ remote-endpoint = <&csi_from_ov5640>;
+ bus-width = <8>;
+ data-shift = <2>;
+ hsync-active = <1>; /* Active high */
+ vsync-active = <0>; /* Active low */
+ data-active = <1>; /* Active high */
+ pclk-sample = <1>; /* Rising */
+ };
+ };
+ };
+};
+
&ir {
pinctrl-names = "default";
pinctrl-0 = <&ir_pins_a>;
--
2.20.0.rc1
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