github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-07-28 10:09:10 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

ARM: tegra: transformer: Add support for front camera

Browse Source 
Add front camera video path. Aptina MI1040 camera is used on all supported
ASUS Transformers, but only TF201 and TF700T will work since on
TF300T/TG/TL front camera is linked through an additional ISP.

Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Svyatoslav Ryhel 2026-05-11 10:48:55 +03:00 committed by Thierry Reding
parent a5acde8adb
commit 34d8943508
1 changed files with 137 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

138
arch/arm/boot/dts/nvidia/tegra30-asus-transformer-common.dtsi
View File

@ -2,6 +2,7 @@
#include <dt-bindings/input/gpio-keys.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/media/video-interfaces.h>
#include <dt-bindings/thermal/thermal.h>
#include "tegra30.dtsi"
@ -73,6 +74,91 @@ trustzone@bfe00000 {
};
host1x@50000000 {
vi@54080000 {
status = "okay";
csi@800 {
status = "okay";
avdd-dsi-csi-supply = <&avdd_dsi_csi>;
/* CSI-A */
channel@0 {
reg = <0>;
nvidia,mipi-calibrate = <&csi 0>; /* CSIA pad */
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
csia_input: endpoint {
data-lanes = <1 2>;
/* Add rear camera */
};
};
port@1 {
reg = <1>;
csia_output: endpoint {
remote-endpoint = <&vi_ppa_input>;
};
};
};
/* CSI-B */
channel@1 {
reg = <1>;
nvidia,mipi-calibrate = <&csi 1>; /* CSIB pad */
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
csib_input: endpoint {
data-lanes = <3>;
remote-endpoint = <&front_camera_output>;
};
};
port@1 {
reg = <1>;
csib_output: endpoint {
remote-endpoint = <&vi_ppb_input>;
};
};
};
};
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
vi_ppa_input: endpoint {
remote-endpoint = <&csia_output>;
};
};
port@1 {
reg = <1>;
vi_ppb_input: endpoint {
remote-endpoint = <&csib_output>;
};
};
};
};
hdmi: hdmi@54280000 {
status = "okay";
@ -1160,6 +1246,36 @@ light-sensor@1c {
vdd-supply = <&vdd_3v3_sys>;
};
/* Aptina 1/6" HD SOC (MI1040) */
front-camera@48 {
compatible = "aptina,mi1040";
reg = <0x48>;
clocks = <&tegra_car TEGRA30_CLK_CSUS>;
reset-gpios = <&gpio TEGRA_GPIO(O, 0) GPIO_ACTIVE_LOW>;
vddio-supply = <&vdd_1v8_cam>;
vdd-supply = <&vdd_1v8_cam>;
vaa-supply = <&avdd_2v85_fcam>;
orientation = <0>; /* Front camera */
assigned-clocks = <&tegra_car TEGRA30_CLK_VI_SENSOR>,
<&tegra_car TEGRA30_CLK_CSUS>;
assigned-clock-rates = <24000000>;
assigned-clock-parents = <&tegra_car TEGRA30_CLK_PLL_P>,
<&tegra_car TEGRA30_CLK_VI_SENSOR>;
port {
front_camera_output: endpoint {
bus-type = <MEDIA_BUS_TYPE_CSI2_DPHY>;
link-frequencies = /bits/ 64 <384000000>;
remote-endpoint = <&csib_input>;
};
};
};
gyroscope@68 {
compatible = "invensense,mpu3050";
reg = <0x68>;
@ -1297,7 +1413,7 @@ ldo4 {
/* LDO5 is not used by Transformers */
ldo6 {
avdd_dsi_csi: ldo6 {
regulator-name = "avdd_dsi_csi,pwrdet_mipi";
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1200000>;
@ -1672,6 +1788,26 @@ hdmi_5v0_sys: regulator-hdmi {
vin-supply = <&vdd_5v0_sys>;
};
vdd_1v8_cam: regulator-viocam {
compatible = "regulator-fixed";
regulator-name = "vdd_1v8_cam";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
gpio = <&gpio TEGRA_GPIO(BB, 4) GPIO_ACTIVE_HIGH>;
enable-active-high;
vin-supply = <&vdd_1v8_vio>;
};
avdd_2v85_fcam: regulator-avcam-front {
compatible = "regulator-fixed";
regulator-name = "vdd_2v85_fcam";
regulator-min-microvolt = <2850000>;
regulator-max-microvolt = <2850000>;
gpio = <&gpio TEGRA_GPIO(S, 0) GPIO_ACTIVE_HIGH>;
enable-active-high;
vin-supply = <&vdd_3v3_sys>;
};
sound {
nvidia,i2s-controller = <&tegra_i2s1>;