[PATCH v10 22/27] ARM: dts: aspeed: yosemite4: Revise i2c duty-cycle
Delphine CC Chiu
Delphine_CC_Chiu at wiwynn.com
Thu Jul 18 22:58:51 PDT 2024
Revise duty cycle SMB11 and SMB16 to high: 40%, low: 60%,
to meet 400kHz-i2c clock low time spec (> 1.3 us) from EE request
Signed-off-by: Delphine CC Chiu <Delphine_CC_Chiu at wiwynn.com>
---
arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
index 62dfe935cbcd..21ca22281ef8 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
@@ -761,6 +761,7 @@ eeprom at 54 {
&i2c10 {
status = "okay";
bus-frequency = <400000>;
+ i2c-clk-high-min-percent = <40>;
i2c-mux at 74 {
compatible = "nxp,pca9544";
i2c-mux-idle-disconnect;
@@ -1314,6 +1315,7 @@ &i2c15 {
mctp-controller;
multi-master;
bus-frequency = <400000>;
+ i2c-clk-high-min-percent = <40>;
mctp at 10 {
compatible = "mctp-i2c-controller";
--
2.25.1
More information about the linux-arm-kernel
mailing list