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Message-ID: <20260126101018.24450-5-clamor95@gmail.com>
Date: Mon, 26 Jan 2026 12:10:18 +0200
From: Svyatoslav Ryhel <clamor95@...il.com>
To: Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Thierry Reding <thierry.reding@...il.com>,
Thierry Reding <treding@...dia.com>,
Jonathan Hunter <jonathanh@...dia.com>,
Svyatoslav Ryhel <clamor95@...il.com>,
Jonas Schwöbel <jonasschwoebel@...oo.de>
Cc: devicetree@...r.kernel.org,
linux-tegra@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH v2 4/4] ARM: tegra: lg-x3: complete video device graph
Add front and rear camera nodes and interlink them with Tegra CSI and VI.
Adjust camera PMIC voltages to better fit requirements and fix the focuser
node.
Signed-off-by: Svyatoslav Ryhel <clamor95@...il.com>
---
arch/arm/boot/dts/nvidia/tegra30-lg-p880.dts | 28 ++++
arch/arm/boot/dts/nvidia/tegra30-lg-p895.dts | 46 ++++++
arch/arm/boot/dts/nvidia/tegra30-lg-x3.dtsi | 154 +++++++++++++++++--
3 files changed, 214 insertions(+), 14 deletions(-)
diff --git a/arch/arm/boot/dts/nvidia/tegra30-lg-p880.dts b/arch/arm/boot/dts/nvidia/tegra30-lg-p880.dts
index cc14e6dca770..1b21d7628c8c 100644
--- a/arch/arm/boot/dts/nvidia/tegra30-lg-p880.dts
+++ b/arch/arm/boot/dts/nvidia/tegra30-lg-p880.dts
@@ -12,6 +12,18 @@ aliases {
mmc2 = &sdmmc1; /* WiFi */
};
+ host1x@...00000 {
+ vi@...80000 {
+ csi@800 {
+ /delete-node/ channel@1;
+ };
+
+ ports {
+ /delete-node/ port@1;
+ };
+ };
+ };
+
pinmux@...00868 {
pinctrl-names = "default";
pinctrl-0 = <&state_default>;
@@ -116,6 +128,22 @@ rmi4-f11@11 {
};
};
+ i2c@...0c500 {
+ camera-pmic@7d {
+ vt_1v2_front: ldo1 {
+ regulator-name = "vt_1v2_dig";
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1200000>;
+ };
+
+ vt_2v7_front: ldo2 {
+ regulator-name = "vt_2v7_vana";
+ regulator-min-microvolt = <2700000>;
+ regulator-max-microvolt = <2700000>;
+ };
+ };
+ };
+
spi@...0dc00 {
dsi@2 {
/*
diff --git a/arch/arm/boot/dts/nvidia/tegra30-lg-p895.dts b/arch/arm/boot/dts/nvidia/tegra30-lg-p895.dts
index 414117fd4382..896639599c12 100644
--- a/arch/arm/boot/dts/nvidia/tegra30-lg-p895.dts
+++ b/arch/arm/boot/dts/nvidia/tegra30-lg-p895.dts
@@ -118,6 +118,52 @@ rmi4-f1a@1a {
};
};
+ i2c@...0c500 {
+ /* Aptina 1/6" HD SOC (MT9M114) */
+ front-camera@48 {
+ compatible = "onnn,mt9m114";
+ reg = <0x48>;
+
+ clocks = <&tegra_car TEGRA30_CLK_CSUS>;
+
+ reset-gpios = <&gpio TEGRA_GPIO(BB, 5) GPIO_ACTIVE_LOW>;
+
+ vddio-supply = <&vio_1v8_front>;
+ vdd-supply = <&vt_1v8_front>;
+ vaa-supply = <&vt_2v8_front>;
+
+ 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>;
+ };
+ };
+ };
+
+ camera-pmic@7d {
+ vt_1v8_front: ldo1 {
+ regulator-name = "vt_1v8_dig";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ };
+
+ vt_2v8_front: ldo2 {
+ regulator-name = "vt_2v8_vana";
+ regulator-min-microvolt = <2800000>;
+ regulator-max-microvolt = <2800000>;
+ };
+ };
+ };
+
spi@...0dc00 {
dsi@2 {
/*
diff --git a/arch/arm/boot/dts/nvidia/tegra30-lg-x3.dtsi b/arch/arm/boot/dts/nvidia/tegra30-lg-x3.dtsi
index 768e201456d8..178e4bb153d3 100644
--- a/arch/arm/boot/dts/nvidia/tegra30-lg-x3.dtsi
+++ b/arch/arm/boot/dts/nvidia/tegra30-lg-x3.dtsi
@@ -3,6 +3,7 @@
#include <dt-bindings/input/gpio-keys.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/leds/common.h>
+#include <dt-bindings/media/video-interfaces.h>
#include <dt-bindings/mfd/max77620.h>
#include <dt-bindings/thermal/thermal.h>
@@ -74,6 +75,91 @@ trustzone@...00000 {
};
host1x@...00000 {
+ vi@...80000 {
+ 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>;
+ remote-endpoint = <&rear_camera_output>;
+ };
+ };
+
+ 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>;
+ };
+ };
+ };
+ };
+
lcd: dc@...00000 {
rgb {
status = "okay";
@@ -1112,29 +1198,68 @@ dw9714: coil@c {
compatible = "dongwoon,dw9714";
reg = <0x0c>;
- enable-gpios = <&gpio TEGRA_GPIO(R, 1) GPIO_ACTIVE_HIGH>;
+ powerdown-gpios = <&gpio TEGRA_GPIO(R, 1) GPIO_ACTIVE_LOW>;
vcc-supply = <&vcc_focuser>;
};
+ /* SONY IMX111 1/4" BSI */
+ rear-camera@10 {
+ compatible = "sony,imx111";
+ reg = <0x10>;
+
+ clocks = <&tegra_car TEGRA30_CLK_CSUS>;
+
+ reset-gpios = <&gpio TEGRA_GPIO(K, 4) GPIO_ACTIVE_LOW>;
+
+ iovdd-supply = <&vio_1v8_rear>;
+ dvdd-supply = <&vdd_1v2_rear>;
+ avdd-supply = <&vdd_2v7_rear>;
+
+ orientation = <1>; /* Rear camera */
+ rotation = <90>;
+
+ nvmem = <&m24c08>;
+ lens-focus = <&dw9714>;
+
+ 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 {
+ rear_camera_output: endpoint {
+ data-lanes = <1 2>;
+ bus-type = <MEDIA_BUS_TYPE_CSI2_DPHY>;
+ link-frequencies = /bits/ 64 <542400000>;
+ remote-endpoint = <&csia_input>;
+ };
+ };
+ };
+
+ /* rear camera sensor eeprom */
+ m24c08: eeprom@50 {
+ compatible = "st,m24c08", "atmel,24c08";
+ reg = <0x50>;
+
+ /* if high then WP is on, if low then off */
+ wp-gpios = <&gpio TEGRA_GPIO(K, 3) GPIO_ACTIVE_HIGH>;
+
+ /* it is not OTP but writing is unwanted */
+ read-only;
+ pagesize = <16>;
+ num-addresses = <1>;
+
+ vcc-supply = <&vio_1v8_rear>;
+ };
+
camera-pmic@7d {
compatible = "ti,lp8720";
reg = <0x7d>;
enable-gpios = <&gpio TEGRA_GPIO(BB, 4) GPIO_ACTIVE_HIGH>;
- vt_1v2_front: ldo1 {
- regulator-name = "vt_1v2_dig";
- regulator-min-microvolt = <1200000>;
- regulator-max-microvolt = <1200000>;
- };
-
- vt_2v7_front: ldo2 {
- regulator-name = "vt_2v7_vana";
- regulator-min-microvolt = <2700000>;
- regulator-max-microvolt = <2700000>;
- };
-
vdd_2v7_rear: ldo3 {
regulator-name = "8m_2v7_vana";
regulator-min-microvolt = <2700000>;
@@ -1348,10 +1473,11 @@ vdd_1v2_mhl: ldo7 {
maxim,active-fps-source = <MAX77620_FPS_SRC_NONE>;
};
- ldo8 {
+ avdd_dsi_csi: ldo8 {
regulator-name = "avdd_dsi_csi";
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1200000>;
+ regulator-boot-on;
maxim,active-fps-source = <MAX77620_FPS_SRC_NONE>;
};
--
2.51.0
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