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ARM: tegra: grouper: Add support for front camera

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Add front camera video path.

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 10:48:54 +03:00 committed by Thierry Reding
parent ece4229e45
commit a5acde8adb
3 changed files with 132 additions and 4 deletions
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128
arch/arm/boot/dts/nvidia/tegra30-asus-nexus7-grouper-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/power/summit,smb347-charger.h>
#include <dt-bindings/thermal/thermal.h>
@ -84,6 +85,93 @@ init-mode-hog {
};
};
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>;
/* No 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>;
};
};
};
};
};
pinmux@70000868 {
pinctrl-names = "default";
pinctrl-0 = <&state_default>;
@ -890,6 +978,36 @@ 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 = <&avdd_cam1>;
vdd-supply = <&vddio_cam>;
vaa-supply = <&avdd_cam1>;
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>;
};
};
};
accelerometer@68 {
compatible = "invensense,mpu6050";
reg = <0x68>;
@ -1203,6 +1321,16 @@ vcc_3v3_ts: regulator-ts {
vin-supply = <&vdd_5v0_sys>;
};
avdd_cam1: regulator-vcam1 {
compatible = "regulator-fixed";
regulator-name = "avdd_cam1";
regulator-min-microvolt = <2850000>;
regulator-max-microvolt = <2850000>;
gpio = <&gpio TEGRA_GPIO(R, 6) GPIO_ACTIVE_HIGH>;
enable-active-high;
vin-supply = <&vdd_5v0_sys>;
};
sound {
compatible = "nvidia,tegra-audio-rt5640-grouper",
"nvidia,tegra-audio-rt5640";

4
arch/arm/boot/dts/nvidia/tegra30-asus-nexus7-grouper-maxim-pmic.dtsi
View File

@ -135,7 +135,7 @@ ldo4 {
regulator-boot-on;
};
ldo5 {
vddio_cam: ldo5 {
regulator-name = "vdd_camera";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
@ -149,7 +149,7 @@ ldo6 {
regulator-boot-on;
};
ldo7 {
avdd_dsi_csi: ldo7 {
regulator-name = "avdd_dsi_csi";
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1200000>;

4
arch/arm/boot/dts/nvidia/tegra30-asus-nexus7-grouper-ti-pmic.dtsi
View File

@ -92,13 +92,13 @@ ldo4 {
regulator-always-on;
};
ldo5 {
vddio_cam: ldo5 {
regulator-name = "vddio_sdmmc,avdd_vdac";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
};
ldo6 {
avdd_dsi_csi: ldo6 {
regulator-name = "avdd_dsi_csi,pwrdet_mipi";
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1200000>;