diff mbox series

ARM: dts: aspeed: catalina: add i2c-mux-idle-disconnect to all mux

Message ID 20240920-catalina-i2c-mux-fix-2-v1-1-66cce7c54188@gmail.com (mailing list archive)
State New, archived
Headers show
Series ARM: dts: aspeed: catalina: add i2c-mux-idle-disconnect to all mux | expand

Commit Message

Potin Lai Sept. 20, 2024, 9:55 a.m. UTC 
Add the `i2c-mux-idle-disconnect` property to all i2c-mux nodes to
ensure proper behavior when switching between multiple I2C buses.
This avoids potential confusion caused by device addresses appearing on
multiple buses when they are not actively selected.

Signed-off-by: Potin Lai <potin.lai.pt@gmail.com>
---
Add the i2c-mux-idle-disconnect property to all i2c-mux nodes to
ensure proper behavior when switching between multiple I2C buses.
This avoids potential confusion caused by device addresses appearing on
multiple buses when they are not actively selected.
---
 arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-catalina.dts | 7 +++++++
 1 file changed, 7 insertions(+)


---
base-commit: baeb9a7d8b60b021d907127509c44507539c15e5
change-id: 20240920-catalina-i2c-mux-fix-2-6dc48827a20a

Best regards,

Comments

Andrew Jeffery Sept. 23, 2024, 12:25 a.m. UTC | #1 
On Fri, 20 Sep 2024 17:55:52 +0800, Potin Lai wrote:
> Add the `i2c-mux-idle-disconnect` property to all i2c-mux nodes to
> ensure proper behavior when switching between multiple I2C buses.
> This avoids potential confusion caused by device addresses appearing on
> multiple buses when they are not actively selected.
> 
> 

Thanks, I've applied this to be picked up through the BMC tree.

--
Andrew Jeffery <andrew@codeconstruct.com.au>
diff mbox series

Patch

diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-catalina.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-catalina.dts
index 82835e96317d..fa0921a4afe2 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-catalina.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-catalina.dts
@@ -185,6 +185,7 @@  i2c-mux@71 {
 		reg = <0x71>;
 		#address-cells = <1>;
 		#size-cells = <0>;
+		i2c-mux-idle-disconnect;
 
 		i2c0mux0ch0: i2c@0 {
 			#address-cells = <1>;
@@ -213,6 +214,7 @@  i2c-mux@72 {
 		reg = <0x72>;
 		#address-cells = <1>;
 		#size-cells = <0>;
+		i2c-mux-idle-disconnect;
 
 		i2c0mux1ch0: i2c@0 {
 			#address-cells = <1>;
@@ -247,6 +249,7 @@  i2c-mux@70 {
 				reg = <0x70>;
 				#address-cells = <1>;
 				#size-cells = <0>;
+				i2c-mux-idle-disconnect;
 
 				i2c30mux0ch0: i2c@0 {
 					#address-cells = <1>;
@@ -328,6 +331,7 @@  i2c-mux@73 {
 		reg = <0x73>;
 		#address-cells = <1>;
 		#size-cells = <0>;
+		i2c-mux-idle-disconnect;
 
 		i2c0mux2ch0: i2c@0 {
 			#address-cells = <1>;
@@ -356,6 +360,7 @@  i2c-mux@75 {
 		reg = <0x75>;
 		#address-cells = <1>;
 		#size-cells = <0>;
+		i2c-mux-idle-disconnect;
 
 		i2c0mux3ch0: i2c@0 {
 			#address-cells = <1>;
@@ -384,6 +389,7 @@  i2c-mux@76 {
 		reg = <0x76>;
 		#address-cells = <1>;
 		#size-cells = <0>;
+		i2c-mux-idle-disconnect;
 
 		i2c0mux4ch0: i2c@0 {
 			#address-cells = <1>;
@@ -426,6 +432,7 @@  i2c-mux@77 {
 		reg = <0x77>;
 		#address-cells = <1>;
 		#size-cells = <0>;
+		i2c-mux-idle-disconnect;
 
 		i2c0mux5ch0: i2c@0 {
 			#address-cells = <1>;