[PATCH] nokia n900: update dts with camera support

Pavel Machek
2017-08-10T20:49:23Z

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Add camera support to N900 dts. Also add a note about MMC & debugging.

Signed-off-by: Pavel Machek <pavel@ucw.cz>

diff --git a/arch/arm/boot/dts/omap3-n900.dts b/arch/arm/boot/dts/omap3-n900.dts
index 49f3708..b1be53d 100644
--- a/arch/arm/boot/dts/omap3-n900.dts
+++ b/arch/arm/boot/dts/omap3-n900.dts
@@ -144,6 +144,15 @@
io-channel-names = "temp", "bsi", "vbat";
};

+ rear_camera: camera@0 {
+ compatible = "linux,camera";
+
+ module {
+ model = "TCM8341MD";
+ sensor = <&cam1>;
+ };
+ };
+
pwm9: dmtimer-pwm {
compatible = "ti,omap-dmtimer-pwm";
#pwm-cells = <3>;
@@ -164,6 +173,31 @@
};
};

+&isp {
+ vdds_csib-supply = <&vaux2>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&camera_pins>;
+
+ ports {
+ port@1 {
+ reg = <1>;
+
+ csi_isp: endpoint {
+ remote-endpoint = <&csi_cam1>;
+ bus-type = <3>; /* CCP2 */
+ clock-lanes = <1>;
+ data-lanes = <0>;
+ lane-polarity = <0 0>;
+ clock-inv = <0>;
+ /* Select strobe = <1> for back camera, <0> for front camera */
+ strobe = <1>;
+ crc = <0>;
+ };
+ };
+ };
+};
+
&omap3_pmx_core {
pinctrl-names = "default";

@@ -328,6 +362,22 @@
OMAP3_CORE1_IOPAD(0x218e, PIN_OUTPUT | MUX_MODE4) /* gpio 157 => cmt_bsi */
>;
};
+
+ camera_pins: pinmux_camera {
+ pinctrl-single,pins = <
+ OMAP3_CORE1_IOPAD(0x210c, PIN_OUTPUT | MUX_MODE7) /* cam_hs */
+ OMAP3_CORE1_IOPAD(0x210e, PIN_OUTPUT | MUX_MODE7) /* cam_vs */
+ OMAP3_CORE1_IOPAD(0x2110, PIN_OUTPUT | MUX_MODE0) /* cam_xclka */
+ OMAP3_CORE1_IOPAD(0x211e, PIN_OUTPUT | MUX_MODE7) /* cam_d4 */
+ OMAP3_CORE1_IOPAD(0x2122, PIN_INPUT | MUX_MODE0) /* cam_d6 */
+ OMAP3_CORE1_IOPAD(0x2124, PIN_INPUT | MUX_MODE0) /* cam_d7 */
+ OMAP3_CORE1_IOPAD(0x2126, PIN_INPUT | MUX_MODE0) /* cam_d8 */
+ OMAP3_CORE1_IOPAD(0x2128, PIN_INPUT | MUX_MODE0) /* cam_d9 */
+ OMAP3_CORE1_IOPAD(0x212a, PIN_OUTPUT | MUX_MODE7) /* cam_d10 */
+ OMAP3_CORE1_IOPAD(0x212e, PIN_OUTPUT | MUX_MODE7) /* cam_xclkb */
+ OMAP3_CORE1_IOPAD(0x2132, PIN_OUTPUT | MUX_MODE0) /* cam_strobe */
+ >;
+ };
};

&i2c1 {
@@ -726,6 +776,40 @@
st,max-limit-y = <32>;
st,max-limit-z = <32>;
};
+
+ cam1: camera@3e {
+ compatible = "toshiba,et8ek8";
+ reg = <0x3e>;
+
+ vana-supply = <&vaux4>;
+
+ clocks = <&isp 0>;
+ clock-names = "extclk";
+ clock-frequency = <9600000>;
+
+ reset-gpio = <&gpio4 6 GPIO_ACTIVE_HIGH>; /* 102 */
+
+ port {
+ csi_cam1: endpoint {
+ bus-type = <3>; /* CCP2 */
+ strobe = <1>;
+ clock-inv = <0>;
+ crc = <1>;
+
+ remote-endpoint = <&csi_isp>;
+ };
+ };
+ };
+
+ /* D/A converter for auto-focus */
+ ad5820: dac@0c {
+ compatible = "adi,ad5820";
+ reg = <0x0c>;
+
+ VANA-supply = <&vaux4>;
+
+ #io-channel-cells = <0>;
+ };
};

&mmc1 {
@@ -733,6 +817,9 @@
pinctrl-0 = <&mmc1_pins>;
vmmc-supply = <&vmmc1>;
bus-width = <4>;
+ /* For debugging, it is often good idea to remove this GPIO.
+ It means you can remove back cover (to reboot by removing
+ battery) and still use the MMC card. */
cd-gpios = <&gpio6 0 GPIO_ACTIVE_HIGH>; /* 160 */
};

--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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