linux-kernel - [PATCH v15 22/32] ARM: dts: aspeed: yosemite4: Revise i2c duty-cycle

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20240906062701.37088-23-Delphine_CC_Chiu@wiwynn.com>
Date: Fri,  6 Sep 2024 14:26:48 +0800
From: Delphine CC Chiu <Delphine_CC_Chiu@...ynn.com>
To: patrick@...cx.xyz,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Joel Stanley <joel@....id.au>,
	Andrew Jeffery <andrew@...econstruct.com.au>
Cc: Delphine CC Chiu <Delphine_CC_Chiu@...ynn.com>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	Magnus Damm <magnus.damm@...il.com>,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-aspeed@...ts.ozlabs.org,
	linux-kernel@...r.kernel.org,
	linux-renesas-soc@...r.kernel.org
Subject: [PATCH v15 22/32] ARM: dts: aspeed: yosemite4: Revise i2c duty-cycle

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@...ynn.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 c2994651e747..c940d23c8a4b 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@54 {
 &i2c10 {
 	status = "okay";
 	bus-frequency = <400000>;
+	i2c-clk-high-min-percent = <40>;
 	i2c-mux@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@10 {
 		compatible = "mctp-i2c-controller";
-- 
2.25.1