{"id":2220068,"url":"http://patchwork.ozlabs.org/api/patches/2220068/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-tegra/patch/20260406083404.31359-6-clamor95@gmail.com/","project":{"id":21,"url":"http://patchwork.ozlabs.org/api/projects/21/?format=json","name":"Linux Tegra Development","link_name":"linux-tegra","list_id":"linux-tegra.vger.kernel.org","list_email":"linux-tegra@vger.kernel.org","web_url":null,"scm_url":null,"webscm_url":null,"list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260406083404.31359-6-clamor95@gmail.com>","list_archive_url":null,"date":"2026-04-06T08:34:00","name":"[v1,5/9] ARM: tegra: transformer: Add support for front camera","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"e21311ec2c004a5be0057d4413aa3c3cf2954e80","submitter":{"id":84146,"url":"http://patchwork.ozlabs.org/api/people/84146/?format=json","name":"Svyatoslav Ryhel","email":"clamor95@gmail.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linux-tegra/patch/20260406083404.31359-6-clamor95@gmail.com/mbox/","series":[{"id":498831,"url":"http://patchwork.ozlabs.org/api/series/498831/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-tegra/list/?series=498831","date":"2026-04-06T08:33:55","name":"ARM: tegra: complete a few Tegra30 device trees","version":1,"mbox":"http://patchwork.ozlabs.org/series/498831/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2220068/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2220068/checks/","tags":{},"related":[],"headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linux-tegra@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=UPaqUcGp;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c0a:e001:db::12fc:5321; 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Aptina MI1040 camera is used on all supported\nASUS Transformers, but only TF201 and TF700T will work since on\nTF300T/TG/TL front camera is linked through an additional ISP.\n\nSigned-off-by: Svyatoslav Ryhel \n---\n .../tegra30-asus-transformer-common.dtsi | 138 +++++++++++++++++-\n 1 file changed, 137 insertions(+), 1 deletion(-)","diff":"diff --git a/arch/arm/boot/dts/nvidia/tegra30-asus-transformer-common.dtsi b/arch/arm/boot/dts/nvidia/tegra30-asus-transformer-common.dtsi\nindex 0e06136042a9..d4a7bae51830 100644\n--- a/arch/arm/boot/dts/nvidia/tegra30-asus-transformer-common.dtsi\n+++ b/arch/arm/boot/dts/nvidia/tegra30-asus-transformer-common.dtsi\n@@ -2,6 +2,7 @@\n \n #include \n #include \n+#include \n #include \n \n #include \"tegra30.dtsi\"\n@@ -73,6 +74,91 @@ trustzone@bfe00000 {\n \t};\n \n \thost1x@50000000 {\n+\t\tvi@54080000 {\n+\t\t\tstatus = \"okay\";\n+\n+\t\t\tcsi@800 {\n+\t\t\t\tstatus = \"okay\";\n+\n+\t\t\t\tavdd-dsi-csi-supply = <&avdd_dsi_csi>;\n+\n+\t\t\t\t/* CSI-A */\n+\t\t\t\tchannel@0 {\n+\t\t\t\t\treg = <0>;\n+\n+\t\t\t\t\tnvidia,mipi-calibrate = <&csi 0>; /* CSIA pad */\n+\n+\t\t\t\t\t#address-cells = <1>;\n+\t\t\t\t\t#size-cells = <0>;\n+\n+\t\t\t\t\tport@0 {\n+\t\t\t\t\t\treg = <0>;\n+\n+\t\t\t\t\t\tcsia_input: endpoint {\n+\t\t\t\t\t\t\tdata-lanes = <1 2>;\n+\t\t\t\t\t\t\t/* Add rear camera */\n+\t\t\t\t\t\t};\n+\t\t\t\t\t};\n+\n+\t\t\t\t\tport@1 {\n+\t\t\t\t\t\treg = <1>;\n+\n+\t\t\t\t\t\tcsia_output: endpoint {\n+\t\t\t\t\t\t\tremote-endpoint = <&vi_ppa_input>;\n+\t\t\t\t\t\t};\n+\t\t\t\t\t};\n+\t\t\t\t};\n+\n+\t\t\t\t/* CSI-B */\n+\t\t\t\tchannel@1 {\n+\t\t\t\t\treg = <1>;\n+\n+\t\t\t\t\tnvidia,mipi-calibrate = <&csi 1>; /* CSIB pad */\n+\n+\t\t\t\t\t#address-cells = <1>;\n+\t\t\t\t\t#size-cells = <0>;\n+\n+\t\t\t\t\tport@0 {\n+\t\t\t\t\t\treg = <0>;\n+\n+\t\t\t\t\t\tcsib_input: endpoint {\n+\t\t\t\t\t\t\tdata-lanes = <3>;\n+\t\t\t\t\t\t\tremote-endpoint = <&front_camera_output>;\n+\t\t\t\t\t\t};\n+\t\t\t\t\t};\n+\n+\t\t\t\t\tport@1 {\n+\t\t\t\t\t\treg = <1>;\n+\n+\t\t\t\t\t\tcsib_output: endpoint {\n+\t\t\t\t\t\t\tremote-endpoint = <&vi_ppb_input>;\n+\t\t\t\t\t\t};\n+\t\t\t\t\t};\n+\t\t\t\t};\n+\t\t\t};\n+\n+\t\t\tports {\n+\t\t\t\t#address-cells = <1>;\n+\t\t\t\t#size-cells = <0>;\n+\n+\t\t\t\tport@0 {\n+\t\t\t\t\treg = <0>;\n+\n+\t\t\t\t\tvi_ppa_input: endpoint {\n+\t\t\t\t\t\tremote-endpoint = <&csia_output>;\n+\t\t\t\t\t};\n+\t\t\t\t};\n+\n+\t\t\t\tport@1 {\n+\t\t\t\t\treg = <1>;\n+\n+\t\t\t\t\tvi_ppb_input: endpoint {\n+\t\t\t\t\t\tremote-endpoint = <&csib_output>;\n+\t\t\t\t\t};\n+\t\t\t\t};\n+\t\t\t};\n+\t\t};\n+\n \t\thdmi: hdmi@54280000 {\n \t\t\tstatus = \"okay\";\n \n@@ -1173,6 +1259,36 @@ light-sensor@1c {\n \t\t\tvdd-supply = <&vdd_3v3_sys>;\n \t\t};\n \n+\t\t/* Aptina 1/6\" HD SOC (MI1040) */\n+\t\tfront-camera@48 {\n+\t\t\tcompatible = \"aptina,mi1040\";\n+\t\t\treg = <0x48>;\n+\n+\t\t\tclocks = <&tegra_car TEGRA30_CLK_CSUS>;\n+\n+\t\t\treset-gpios = <&gpio TEGRA_GPIO(O, 0) GPIO_ACTIVE_LOW>;\n+\n+\t\t\tvddio-supply = <&vdd_1v8_cam>;\n+\t\t\tvdd-supply = <&vdd_1v8_cam>;\n+\t\t\tvaa-supply = <&avdd_2v85_fcam>;\n+\n+\t\t\torientation = <0>; /* Front camera */\n+\n+\t\t\tassigned-clocks = <&tegra_car TEGRA30_CLK_VI_SENSOR>,\n+\t\t\t\t\t <&tegra_car TEGRA30_CLK_CSUS>;\n+\t\t\tassigned-clock-rates = <24000000>;\n+\t\t\tassigned-clock-parents = <&tegra_car TEGRA30_CLK_PLL_P>,\n+\t\t\t\t\t\t <&tegra_car TEGRA30_CLK_VI_SENSOR>;\n+\n+\t\t\tport {\n+\t\t\t\tfront_camera_output: endpoint {\n+\t\t\t\t\tbus-type = ;\n+\t\t\t\t\tlink-frequencies = /bits/ 64 <384000000>;\n+\t\t\t\t\tremote-endpoint = <&csib_input>;\n+\t\t\t\t};\n+\t\t\t};\n+\t\t};\n+\n \t\tgyroscope@68 {\n \t\t\tcompatible = \"invensense,mpu3050\";\n \t\t\treg = <0x68>;\n@@ -1310,7 +1426,7 @@ ldo4 {\n \n \t\t\t\t/* LDO5 is not used by Transformers */\n \n-\t\t\t\tldo6 {\n+\t\t\t\tavdd_dsi_csi: ldo6 {\n \t\t\t\t\tregulator-name = \"avdd_dsi_csi,pwrdet_mipi\";\n \t\t\t\t\tregulator-min-microvolt = <1200000>;\n \t\t\t\t\tregulator-max-microvolt = <1200000>;\n@@ -1685,6 +1801,26 @@ hdmi_5v0_sys: regulator-hdmi {\n \t\tvin-supply = <&vdd_5v0_sys>;\n \t};\n \n+\tvdd_1v8_cam: regulator-viocam {\n+\t\tcompatible = \"regulator-fixed\";\n+\t\tregulator-name = \"vdd_1v8_cam\";\n+\t\tregulator-min-microvolt = <1800000>;\n+\t\tregulator-max-microvolt = <1800000>;\n+\t\tgpio = <&gpio TEGRA_GPIO(BB, 4) GPIO_ACTIVE_HIGH>;\n+\t\tenable-active-high;\n+\t\tvin-supply = <&vdd_1v8_vio>;\n+\t};\n+\n+\tavdd_2v85_fcam: regulator-avcam-front {\n+\t\tcompatible = \"regulator-fixed\";\n+\t\tregulator-name = \"vdd_2v85_fcam\";\n+\t\tregulator-min-microvolt = <2850000>;\n+\t\tregulator-max-microvolt = <2850000>;\n+\t\tgpio = <&gpio TEGRA_GPIO(S, 0) GPIO_ACTIVE_HIGH>;\n+\t\tenable-active-high;\n+\t\tvin-supply = <&vdd_3v3_sys>;\n+\t};\n+\n \tsound {\n \t\tnvidia,i2s-controller = <&tegra_i2s1>;\n \n","prefixes":["v1","5/9"]}