From 3b03ad18245a2fb94d70f2d507b0737e296aa32a Mon Sep 17 00:00:00 2001
From: Praveen AC <pac@nvidia.com>
Date: Wed, 22 Nov 2023 05:23:14 +0000
Subject: [PATCH] overlay:p3740: Add jeston-io support for csi file.

Add jetson-io support for configuring camera 122pin
connector.

Bug 4316763

Change-Id: I5e438e81d92b40beb482c7803865d3fe69078b92
Reviewed-on: https://git-master.nvidia.com/r/c/device/hardware/nvidia/t23x-public-dts/+/3020356
(cherry picked from commit 10d83fe6833a97a722bbe495feb30934997f5639)
Reviewed-on: https://git-master.nvidia.com/r/c/device/hardware/nvidia/t23x-public-dts/+/3026076
Reviewed-by: Praveen AC <pac@nvidia.com>
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
Tested-by: Praveen AC <pac@nvidia.com>
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
---
 overlay/Makefile                              |   1 +
 .../tegra234-p3740-0002-p3701-0008-csi.dts    | 109 ++++++++++++++++++
 2 files changed, 110 insertions(+)
 create mode 100644 overlay/tegra234-p3740-0002-p3701-0008-csi.dts

diff --git a/overlay/Makefile b/overlay/Makefile
index 2b2207e..07965d2 100644
--- a/overlay/Makefile
+++ b/overlay/Makefile
@@ -60,6 +60,7 @@ dtbo-y += tegra234-p3740-0002+p3701-0008-m2ke.dtbo
 dtbo-y += tegra234-p3740-0002+p3701-0008-m2kb.dtbo
 dtbo-y += tegra234-p3767-camera-p3768-imx477-C.dtbo
 dtbo-y += tegra234-p3767-camera-p3768-imx477-A.dtbo
+dtbo-y += tegra234-p3740-0002-p3701-0008-csi.dtbo
 
 ifneq ($(dtb-y),)
 dtb-y := $(addprefix $(makefile-path)/,$(dtb-y))
diff --git a/overlay/tegra234-p3740-0002-p3701-0008-csi.dts b/overlay/tegra234-p3740-0002-p3701-0008-csi.dts
new file mode 100644
index 0000000..4cf7c3a
--- /dev/null
+++ b/overlay/tegra234-p3740-0002-p3701-0008-csi.dts
@@ -0,0 +1,109 @@
+// SPDX-License-Identifier: GPL-2.0-only
+// SPDX-FileCopyrightText: Copyright (c) 2023, NVIDIA CORPORATION & AFFILIATES.  All rights reserved.
+/*
+ * Device-tree overlay for tegra234-p3740-0002-p3701-0008 CSI Camera Connector.
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/pinctrl/pinctrl-tegra.h>
+#include <dt-bindings/tegra234-p3740-0002-p3701-0008.h>
+
+/ {
+	overlay-name = "Jetson 122pin CSI Connector";
+	compatible = JETSON_COMPATIBLE;
+
+	p3740-0002_p3701-0008-csi@0 {
+		target = <&pinmux>;
+		__overlay__ {
+			pinctrl-names = "default";
+			pinctrl-0 = <&jetson_io_pinmux>;
+			jetson_io_pinmux: exp-header-pinmux {
+				csi-pin75 {
+					nvidia,pins = "cam_i2c_scl_pp2";
+				};
+				csi-pin76a {
+					nvidia,pins = "spi5_cs0_pac3";
+					nvidia,function = "i2s3";
+					nvidia,pin-label = "i2s3_fs";
+					nvidia,tristate = <TEGRA_PIN_DISABLE>;
+					nvidia,enable-input = <TEGRA_PIN_ENABLE>;
+				};
+				csi-pin76b {
+					nvidia,pins = "spi5_cs0_pac3";
+					nvidia,function = "dmic2";
+					nvidia,pin-label = "dmic2_clk";
+					nvidia,tristate = <TEGRA_PIN_DISABLE>;
+					nvidia,enable-input = <TEGRA_PIN_DISABLE>;
+				};
+				csi-pin77 {
+					nvidia,pins = "cam_i2c_sda_pp3";
+				};
+				csi-pin90a{
+					nvidia,pins = "spi5_sck_pac0";
+					nvidia,function = "i2s3";
+					nvidia,pin-label = "i2s3_sclk";
+					nvidia,tristate = <TEGRA_PIN_DISABLE>;
+					nvidia,enable-input = <TEGRA_PIN_ENABLE>;
+				};
+				csi-pin90b {
+					nvidia,pins = "spi5_sck_pac0";
+					nvidia,function = "dspk0";
+					nvidia,pin-label = "dspk0_dat";
+					nvidia,tristate = <TEGRA_PIN_DISABLE>;
+					nvidia,enable-input = <TEGRA_PIN_DISABLE>;
+				};
+				csi-pin92a {
+					nvidia,pins = "spi5_miso_pac1";
+					nvidia,function = "i2s3";
+					nvidia,pin-label = "i2s3_dout";
+					nvidia,tristate = <TEGRA_PIN_DISABLE>;
+					nvidia,enable-input = <TEGRA_PIN_DISABLE>;
+				};
+				csi-pin92b {
+					nvidia,pins = "spi5_miso_pac1";
+					nvidia,function = "dspk0";
+					nvidia,pin-label = "dspk0_clk";
+					nvidia,tristate = <TEGRA_PIN_DISABLE>;
+					nvidia,enable-input = <TEGRA_PIN_DISABLE>;
+				};
+				csi-pin96a {
+					nvidia,pins = "spi5_mosi_pac2";
+					nvidia,function = "i2s3";
+					nvidia,pin-label="i2s3_din";
+					nvidia,tristate = <TEGRA_PIN_ENABLE>;
+					nvidia,enable-input = <TEGRA_PIN_ENABLE>;
+				};
+				csi-pin96b {
+					nvidia,pins = "spi5_mosi_pac2";
+					nvidia,function = "dmic2";
+					nvidia,pin-label="dmic2_dat";
+					nvidia,tristate = <TEGRA_PIN_ENABLE>;
+					nvidia,enable-input = <TEGRA_PIN_ENABLE>;
+				};
+				csi-pin105 {
+					nvidia,pins = "dp_aux_ch3_p_pn7";
+				};
+				csi-pin107 {
+					nvidia,pins = "dp_aux_ch3_n_pn0";
+				};
+			};
+		};
+	};
+	fragment@1 {
+		target = <&pinmux_aon>;
+		__overlay__ {
+			pinctrl-names = "default";
+			pinctrl-0 = <&jetson_io_pinmux_aon>;
+			jetson_io_pinmux_aon: exp-header-pinmux {
+				csi-pin87 {
+					nvidia,pins = "gen2_i2c_scl_pcc7";
+				};
+				csi-pin89 {
+					nvidia,pins = "gen2_i2c_sda_pdd0";
+				};
+			};
+		};
+	};
+};