linux-kernel - [PATCH 3/3] ARM: dts: Modify I2C bus configuration

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Date: Fri, 29 Mar 2024 14:01:41 +0100
From: Renze Nicolai <renze@...lus.nl>
To: linux-arm-kernel@...ts.infradead.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-aspeed@...ts.ozlabs.org,
	arnd@...db.de,
	olof@...om.net,
	soc@...nel.org,
	robh+dt@...nel.org,
	krzysztof.kozlowski+dt@...aro.org,
	joel@....id.au,
	andrew@...id.au,
	renze@...lus.nl
Subject: [PATCH 3/3] ARM: dts: Modify I2C bus configuration

This commit enables I2C bus 8 which is exposed on the IPMB_1 connector on the X570D4U mainboard.
Additionally it adds a descriptive comment to I2C busses 1 and 5.

Signed-off-by: Renze Nicolai <renze@...lus.nl>
---
 arch/arm/boot/dts/aspeed/aspeed-bmc-asrock-x570d4u.dts | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-asrock-x570d4u.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-asrock-x570d4u.dts
index e93c2f0b8414..3b1c77a12605 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-asrock-x570d4u.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-asrock-x570d4u.dts
@@ -183,6 +183,7 @@ &i2c0 {
 };
 
 &i2c1 {
+	/* Hardware monitoring SMBus */
 	status = "okay";
 
 	w83773g@4c {
@@ -240,6 +241,7 @@ i2c4mux0ch3: i2c@3 {
 };
 
 &i2c5 {
+	/* SMBus on BMC connector (BMC_SMB_1) */
 	status = "okay";
 };
 
@@ -264,6 +266,11 @@ eth1_macaddress: macaddress@...8 {
 	};
 };
 
+&i2c8 {
+	/* SMBus on intelligent platform management bus header (IPMB_1) */
+	status = "okay";
+};
+
 &gfx {
 	status = "okay";
 };
-- 
2.44.0