2019-12-15 17:01:04

by Chen-Yu Tsai

Subject: [PATCH 14/14] [DO NOT MERGE] ARM: dts: sun8i-r40: bananapi-m2-ultra: Enable OV5640 camera

From: Chen-Yu Tsai <[email protected]>

Bananapi offers a small OV5640 based camera module, attached via an FPC
connector.

Add the related regulator constraints, and hook everything up.

Signed-off-by: Chen-Yu Tsai <[email protected]>
---
.../boot/dts/sun8i-r40-bananapi-m2-ultra.dts | 67 +++++++++++++++++++
1 file changed, 67 insertions(+)

diff --git a/arch/arm/boot/dts/sun8i-r40-bananapi-m2-ultra.dts b/arch/arm/boot/dts/sun8i-r40-bananapi-m2-ultra.dts
index 42d62d1ba1dc..86183d40c7af 100644
--- a/arch/arm/boot/dts/sun8i-r40-bananapi-m2-ultra.dts
+++ b/arch/arm/boot/dts/sun8i-r40-bananapi-m2-ultra.dts
@@ -113,6 +113,24 @@ &ahci {
status = "okay";
};

+&csi0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&csi0_8bits_pins>;
+ status = "okay";
+
+ port {
+ /* Parallel bus endpoint */
+ csi0_from_ov5640: endpoint {
+ remote-endpoint = <&ov5640_to_csi0>;
+ bus-width = <8>;
+ hsync-active = <1>; /* Active high */
+ vsync-active = <1>; /* Active high */
+ data-active = <1>; /* Active high */
+ pclk-sample = <1>; /* Rising */
+ };
+ };
+};
+
&de {
status = "okay";
};
@@ -164,6 +182,37 @@ axp22x: pmic@34 {

#include "axp22x.dtsi"

+&i2c4 {
+ status = "okay";
+
+ ov5640: camera@3c {
+ compatible = "ovti,ov5640";
+ reg = <0x3c>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&csi0_mclk_pin>;
+ clocks = <&ccu CLK_CSI0_MCLK>;
+ clock-names = "xclk";
+
+ reset-gpios = <&pio 8 7 GPIO_ACTIVE_LOW>; /* PI7 */
+ powerdown-gpios = <&pio 8 6 GPIO_ACTIVE_HIGH>; /* PI6 */
+ AVDD-supply = <&reg_aldo1>;
+ DOVDD-supply = <&reg_eldo1>;
+ DVDD-supply = <&reg_eldo2>;
+
+ port {
+ ov5640_to_csi0: endpoint {
+ remote-endpoint = <&csi0_from_ov5640>;
+ bus-width = <8>;
+ data-shift = <2>;
+ hsync-active = <1>; /* Active high */
+ vsync-active = <1>; /* Active high */
+ data-active = <1>; /* Active high */
+ pclk-sample = <1>; /* Rising */
+ };
+ };
+ };
+};
+
&mmc0 {
vmmc-supply = <&reg_dcdc1>;
bus-width = <4>;
@@ -209,6 +258,12 @@ &pio {
vcc-pg-supply = <&reg_dldo1>;
};

+&reg_aldo1 {
+ regulator-name = "csi-avdd";
+ regulator-min-microvolt = <2800000>;
+ regulator-max-microvolt = <2800000>;
+};
+
&reg_aldo2 {
regulator-min-microvolt = <2500000>;
regulator-max-microvolt = <2500000>;
@@ -289,6 +344,18 @@ &reg_dldo4 {
regulator-name = "vdd2v5-sata";
};

+&reg_eldo1 {
+ regulator-name = "csi-iovcc";
+ regulator-min-microvolt = <2800000>;
+ regulator-max-microvolt = <2800000>;
+};
+
+&reg_eldo2 {
+ regulator-name = "csi-dvdd";
+ regulator-min-microvolt = <1500000>;
+ regulator-max-microvolt = <1500000>;
+};
+
&reg_eldo3 {
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1200000>;
--
2.24.0