pinephone-pro: WIP support for camera
i can't get images out of it, but the ov8858 appears to be detected by media-ctl (?)
This commit is contained in:
@@ -80,6 +80,10 @@ in
|
||||
name = "rk3399-pinephone-pro-battery";
|
||||
dtsFile = ./rk3399-pinephone-pro-battery.dtso;
|
||||
}
|
||||
{
|
||||
name = "rk3399-pinephone-pro-camera";
|
||||
dtsFile = ./rk3399-pinephone-pro-camera.dtso;
|
||||
}
|
||||
{
|
||||
name = "rk3399-pinephone-pro-flash-led";
|
||||
dtsFile = ./rk3399-pinephone-pro-flash-led.dtso;
|
||||
|
||||
@@ -0,0 +1,269 @@
|
||||
// STATUS (2024-11-25):
|
||||
// - can't get an image
|
||||
// - ov8858 shows up in `media-ctl -d 1 --print-topology`
|
||||
// - imx258 doesn't show up in any `media-ctl` or `v4l2-ctl` commands, but does show in `modprobe` and `dmesg`
|
||||
// - pmOS claims it should work in megapixels 2.x and snapshot/gnome camera: <https://wiki.postmarketos.org/wiki/PINE64_PinePhone_Pro_(pine64-pinephonepro)#Camera>
|
||||
// - pmOS has IMX258 debugging info: <https://wiki.pine64.org/wiki/PinePhone_Pro/IMX258_Camera_Debugging>
|
||||
// - <https://elinux.org/images/9/94/ISP-presentation.pdf>
|
||||
//
|
||||
// this is taken mostly verbatim from pine64-org / megi.
|
||||
// only minimal checking against the datasheet.
|
||||
// see pine64-org/linux commits:
|
||||
// - 41742e56f573b90c002293a1d12d0e5ecee7ec87 for device-tree
|
||||
// - 43243704827563df8410431da6d73ed25e379de8 for SCLK_CIF_OUT_SRC export (touches drivers/clk/rockchip/clk-rk3399.c)
|
||||
//
|
||||
// overview:
|
||||
// - front cam: OV8858 (ucam = "user-facing camera" (i'm guessing))
|
||||
// - rear cam: IMX258 (wcam = "world-facing camera")
|
||||
// MIPI = Mobile Industry Processor Interface
|
||||
// MIPI-DSI = MIPI Display Serial Interface
|
||||
// MIPI-CSI = MIPI Camera Serial Interface
|
||||
// - <https://en.wikipedia.org/wiki/Camera_Serial_Interface>
|
||||
// - 1 clock lane + N data lanes (PPP cameras use 4 data lanes)
|
||||
// - each data line is two wires, because it uses differential signalling
|
||||
// CCS = Camera Command Set
|
||||
// - defines standard set of functionalities for CSI-2 devices
|
||||
// DVP = Digital Video Port
|
||||
//
|
||||
// IMX258:
|
||||
// - MIPI_RX0_D{0,1,2,3}{P,N}
|
||||
// - MIPI_RX0_CLK{P,N}
|
||||
// - MIPI_MCLK0
|
||||
// - MIPI_RST0
|
||||
// - DVP_PDN1_H1
|
||||
// - I2C1_SDA
|
||||
// - (I2C1_SCL)
|
||||
// :: power:
|
||||
// - VCC1V8_DVP
|
||||
// - DVDD_DVP
|
||||
// - VCC2V8_DVP
|
||||
// - AVDD2V8_DVP
|
||||
//
|
||||
// OV8858:
|
||||
// - identical wiring to IMC258, but uses MIPI 1 instead of MIPI 0.
|
||||
// - uses same I2C1_{SDA,SCL}
|
||||
// - uses same power rails
|
||||
//
|
||||
// - MIPI_MCLK0, MIPI_MCLK1 are tied to CIF_CLKO via 22ohm resistors
|
||||
// - DVDD_DVP = VCC1V2_DVP
|
||||
//
|
||||
// STATUS:
|
||||
// - power:
|
||||
// - [x] VCC1V8_DVP: enabled in mainline
|
||||
// - [?] DVDD_DVP (VCC1V2_DVP)
|
||||
// - [?] VCC2V8_DVP: PROBABLY enabled in mainline, as "vcc2v8_lcd"
|
||||
// other DTS files reference `vcc2v8_dvp`, but pine64-org's dts does *not*, nor does mainline's
|
||||
// - [?] AVDD2V8_DVP: NOT ENABLED
|
||||
// but seemingly not used in megi or pine64-org DTS
|
||||
|
||||
// for SCLK_CIF_OUT
|
||||
#include <dt-bindings/clock/rk3399-cru.h>
|
||||
// for GPIO_ACTIVE_LOW
|
||||
#include <dt-bindings/gpio/gpio.h>
|
||||
// for LED_FUNCTION_FLASH
|
||||
#include <dt-bindings/leds/common.h>
|
||||
// for RK_PA4, other pins
|
||||
#include <dt-bindings/pinctrl/rockchip.h>
|
||||
|
||||
/dts-v1/;
|
||||
/plugin/;
|
||||
|
||||
/ {
|
||||
/* ensure this overlay applies only to the correct board */
|
||||
compatible = "pine64,pinephone-pro";
|
||||
};
|
||||
|
||||
&{/} {
|
||||
sgm3140: led-controller {
|
||||
compatible = "sgmicro,sgm3140";
|
||||
vin-supply = <&vcc3v3_sys>;
|
||||
pinctrl-names = "default";
|
||||
pinctrl-0 = <&flash_pins>;
|
||||
enable-gpios = <&gpio4 RK_PC6 GPIO_ACTIVE_HIGH>;
|
||||
flash-gpios = <&gpio1 RK_PA3 GPIO_ACTIVE_HIGH>;
|
||||
|
||||
sgm3140_flash: led {
|
||||
function = LED_FUNCTION_FLASH;
|
||||
color = <LED_COLOR_ID_WHITE>;
|
||||
flash-max-timeout-us = <250000>;
|
||||
};
|
||||
};
|
||||
};
|
||||
|
||||
/* MEGI CLAIMS:
|
||||
* ============
|
||||
* Cameras:
|
||||
*
|
||||
* cif clk out = gpio2 B3 / CIF_CLKOUTA_u
|
||||
*
|
||||
* both on i2c1 GPIO4_A1 (SDA) / GPIO4_A2 (SCL)
|
||||
*
|
||||
* both share power:
|
||||
* VCC1V8_DVP - LDO7 - supplied by VCC7 (VCC3V3_SYS)
|
||||
* DVDD_DVP 1.5V - autoenabled by VCC2V8_DVP depends on VCC1V8_S3 (U118 supplies 1.2V, though, not 1.5V)
|
||||
* VCC2V8_DVP af - autoenabled by VCC1V8_DVP depends on VCC3V3_SYS
|
||||
* AVDD2V8_DVP - autoenabled by VCC1V8_DVP depends on VCC3V3_SYS
|
||||
*
|
||||
* isp1 = imx258
|
||||
* reset = GPIO1_A0
|
||||
* powerdown = GPIO2_B4
|
||||
*
|
||||
* isp0 = OV8858
|
||||
* powerdown = GPIO2_D4
|
||||
* reset = GPIO1_A4
|
||||
*/
|
||||
&i2c1 {
|
||||
status = "okay";
|
||||
|
||||
clock-frequency = <400000>;
|
||||
i2c-scl-rising-time-ns = <300>;
|
||||
i2c-scl-falling-time-ns = <15>;
|
||||
|
||||
pinctrl-0 = <&i2c1_xfer &cif_clkouta>;
|
||||
|
||||
assigned-clocks = <&cru SCLK_CIF_OUT>;
|
||||
assigned-clock-rates = <24000000>;
|
||||
// assigned-clocks = <&cru SCLK_CIF_OUT &cru SCLK_CIF_OUT_SRC>;
|
||||
// assigned-clock-parents = <&cru SCLK_CIF_OUT_SRC &cru PLL_GPLL>;
|
||||
// assigned-clock-rates = <19200000 0>;
|
||||
|
||||
wcam: camera@1a {
|
||||
compatible = "sony,imx258";
|
||||
reg = <0x1a>;
|
||||
pinctrl-names = "default";
|
||||
pinctrl-0 = <&wcam_rst>; //< megi (2024-05-25)
|
||||
// pinctrl-0 = <&wcam_rst &wcam_pdn>; //< pine64-org
|
||||
|
||||
clocks = <&cru SCLK_CIF_OUT>;
|
||||
clock-names = "xvclk";
|
||||
|
||||
vif-supply = <&vcc1v8_dvp>;
|
||||
i2c-supply = <&vcca1v8_codec>;
|
||||
/*XXX: also depends on vcca1v8_codec for I2C bus power (currently always on) */
|
||||
|
||||
reset-gpios = <&gpio1 RK_PA0 GPIO_ACTIVE_LOW>;
|
||||
// powerdown-gpios = <&gpio2 RK_PD4 GPIO_ACTIVE_HIGH>; //< megi removed this (2024-05-25)
|
||||
|
||||
orientation = <1>;
|
||||
rotation = <270>;
|
||||
|
||||
lens-focus = <&wcam_lens>;
|
||||
flash-leds = <&sgm3140_flash>;
|
||||
|
||||
port {
|
||||
wcam_out: endpoint {
|
||||
remote-endpoint = <&mipi_in_wcam>;
|
||||
data-lanes = <1 2 3 4>;
|
||||
link-frequencies = /bits/ 64 <636000000>; //< seems to be optional
|
||||
};
|
||||
};
|
||||
};
|
||||
|
||||
wcam_lens: camera-lens@c {
|
||||
compatible = "dongwoon,dw9714";
|
||||
reg = <0x0c>;
|
||||
/*XXX: also depends on vcca1v8_codec for I2C bus power */
|
||||
vcc-supply = <&vcc1v8_dvp>;
|
||||
};
|
||||
|
||||
ucam: camera@36 {
|
||||
compatible = "ovti,ov8858";
|
||||
reg = <0x36>;
|
||||
pinctrl-names = "default";
|
||||
pinctrl-0 = <&ucam_pdn &ucam_rst>;
|
||||
|
||||
clocks = <&cru SCLK_CIF_OUT>;
|
||||
clock-names = "xvclk";
|
||||
|
||||
dovdd-supply = <&vcc1v8_dvp>;
|
||||
/*XXX: also depends on vcca1v8_codec for I2C bus power */
|
||||
|
||||
reset-gpios = <&gpio1 RK_PA4 GPIO_ACTIVE_LOW>;
|
||||
powerdown-gpios = <&gpio2 RK_PB4 GPIO_ACTIVE_LOW>;
|
||||
|
||||
/* we're using forward ported BSP driver, thus: */
|
||||
rockchip,camera-module-index = <0x00>;
|
||||
rockchip,camera-module-facing = "front";
|
||||
rockchip,camera-module-name = "CameraKing";
|
||||
rockchip,camera-module-lens-name = "Largan-9569A2";
|
||||
|
||||
orientation = <0>;
|
||||
rotation = <90>;
|
||||
|
||||
port {
|
||||
ucam_out: endpoint {
|
||||
remote-endpoint = <&mipi_in_ucam>;
|
||||
data-lanes = <1 2 3 4>;
|
||||
};
|
||||
};
|
||||
};
|
||||
};
|
||||
|
||||
&pinctrl {
|
||||
camera {
|
||||
wcam_rst: wcam-rst {
|
||||
rockchip,pins = <1 RK_PA0 RK_FUNC_GPIO &pcfg_pull_none>;
|
||||
};
|
||||
// wcam_pdn: wcam-pdn { //< megi removed this (2024-05-25)
|
||||
// rockchip,pins = <2 RK_PD4 RK_FUNC_GPIO &pcfg_pull_none>;
|
||||
// };
|
||||
|
||||
ucam_rst: ucam-rst {
|
||||
rockchip,pins = <1 RK_PA4 RK_FUNC_GPIO &pcfg_pull_none>;
|
||||
};
|
||||
ucam_pdn: ucam-pdn {
|
||||
rockchip,pins = <2 RK_PB4 RK_FUNC_GPIO &pcfg_pull_none>;
|
||||
};
|
||||
};
|
||||
leds {
|
||||
flash_pins: flash-pins {
|
||||
rockchip,pins =
|
||||
<1 RK_PA3 RK_FUNC_GPIO &pcfg_pull_none>,
|
||||
<4 RK_PC6 RK_FUNC_GPIO &pcfg_pull_none>;
|
||||
};
|
||||
};
|
||||
};
|
||||
|
||||
&isp1 {
|
||||
status = "okay";
|
||||
|
||||
ports {
|
||||
port@0 {
|
||||
mipi_in_wcam: endpoint@0 {
|
||||
reg = <0>;
|
||||
remote-endpoint = <&wcam_out>;
|
||||
data-lanes = <1 2 3 4>;
|
||||
};
|
||||
};
|
||||
};
|
||||
};
|
||||
|
||||
&mipi_dphy_rx0 {
|
||||
status = "okay";
|
||||
};
|
||||
|
||||
&isp0 {
|
||||
status = "okay";
|
||||
|
||||
ports {
|
||||
port@0 {
|
||||
mipi_in_ucam: endpoint@0 {
|
||||
reg = <0>;
|
||||
remote-endpoint = <&ucam_out>;
|
||||
data-lanes = <1 2 3 4>;
|
||||
};
|
||||
};
|
||||
};
|
||||
};
|
||||
|
||||
&isp0_mmu {
|
||||
status = "okay";
|
||||
};
|
||||
|
||||
&isp1_mmu {
|
||||
status = "okay";
|
||||
};
|
||||
|
||||
&mipi_dsi1 {
|
||||
status = "okay";
|
||||
};
|
||||
@@ -103,6 +103,7 @@
|
||||
};
|
||||
|
||||
// rk3399-pinephone-pro-sound sets this 'okay', but do that here also to avoid implicit dependencies.
|
||||
// TODO: how can the modem require i2c1 if i'm not hanging any devices off of it here??
|
||||
&i2c1 {
|
||||
status = "okay";
|
||||
// N.B.: these values are duplicated in rk3399-pinephone-pro-sound.dtso
|
||||
|
||||
Reference in New Issue
Block a user