From 3d225ae86a0d7caaed55f8c26454f8cbb973f35e Mon Sep 17 00:00:00 2001
From: Praveen AC <pac@nvidia.com>
Date: Mon, 6 May 2024 08:00:50 +0000
Subject: [PATCH] t234:[P3762/P3783]:Increase i2cbus-8 freq to 400khz.

Add overlay to increase i2c bus-8 freq to 400khz.

Bug 4510846

Change-Id: I662c075b34992e088b2baa6a03c8db744171be4b
Reviewed-on: https://git-master.nvidia.com/r/c/device/hardware/nvidia/t23x-public-dts/+/3131809
Tested-by: Praveen AC <pac@nvidia.com>
Reviewed-by: Shubham Chandra <shubhamc@nvidia.com>
Reviewed-by: Narendra Kondapalli <nkondapalli@nvidia.com>
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
Reviewed-by: Ankur Pawar <ankurp@nvidia.com>
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
Reviewed-by: Praveen AC <pac@nvidia.com>
Reviewed-by: Anubhav Rai <arai@nvidia.com>
---
 overlay/tegra234-camera-p3762-a00.dtsi | 2 ++
 overlay/tegra234-camera-p3783-a00.dtsi | 2 ++
 tegra234.dtsi                          | 2 +-
 3 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/overlay/tegra234-camera-p3762-a00.dtsi b/overlay/tegra234-camera-p3762-a00.dtsi
index b157c48..1022967 100644
--- a/overlay/tegra234-camera-p3762-a00.dtsi
+++ b/overlay/tegra234-camera-p3762-a00.dtsi
@@ -750,6 +750,8 @@
 				};
 				/*i2c8*/
 				i2c@31e0000 {
+					/* Set i2c freq to 400khz */
+					clock-frequency = <400000>;
 					virtual_i2c_mux@50 {
 						i2c@0 {
 							ar0234_a@30 {
diff --git a/overlay/tegra234-camera-p3783-a00.dtsi b/overlay/tegra234-camera-p3783-a00.dtsi
index 2560387..b57807c 100644
--- a/overlay/tegra234-camera-p3783-a00.dtsi
+++ b/overlay/tegra234-camera-p3783-a00.dtsi
@@ -750,6 +750,8 @@
 				};
 				/*i2c8*/
 				i2c@31e0000 {
+					/* Set i2c freq to 400khz */
+					clock-frequency = <400000>;
 					virtual_i2c_mux@50 {
 						i2c@0 {
 							ar0234_a@30 {
diff --git a/tegra234.dtsi b/tegra234.dtsi
index 25704b5..1bb2ef8 100644
--- a/tegra234.dtsi
+++ b/tegra234.dtsi
@@ -806,7 +806,7 @@
 			#address-cells = <1>;
 			#size-cells = <0>;
 			status = "disabled";
-			clock-frequency = <400000>;
+			clock-frequency = <100000>;
 			clocks = <&bpmp TEGRA234_CLK_I2C9
 				&bpmp TEGRA234_CLK_PLLP_OUT0>;
 			assigned-clocks = <&bpmp TEGRA234_CLK_I2C9>;