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