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From: Delphine CC Chiu <Delphine_CC_Chiu@wiwynn.com>
To: patrick@stwcx.xyz, Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Conor Dooley <conor+dt@kernel.org>, Joel Stanley <joel@jms.id.au>,
	Andrew Jeffery <andrew@codeconstruct.com.au>
Cc: Delphine CC Chiu <Delphine_CC_Chiu@wiwynn.com>,
	devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org
Subject: [PATCH v7 22/22] ARM: dts: aspeed: yosemite4: Revise i2c duty-cycle
Date: Thu, 21 Mar 2024 10:12:34 +0800	[thread overview]
Message-ID: <20240321021236.1823693-23-Delphine_CC_Chiu@wiwynn.com> (raw)
In-Reply-To: <20240321021236.1823693-1-Delphine_CC_Chiu@wiwynn.com>

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@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 c7bba7d68ce1..3a4da189f2c3 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;
@@ -1306,6 +1307,7 @@ &i2c15 {
 	mctp-controller;
 	multi-master;
 	bus-frequency = <400000>;
+	i2c-clk-high-min-percent = <40>;
 
 	mctp@10 {
 		compatible = "mctp-i2c-controller";
-- 
2.25.1


WARNING: multiple messages have this Message-ID (diff)
From: Delphine CC Chiu <Delphine_CC_Chiu@wiwynn.com>
To: patrick@stwcx.xyz, Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Conor Dooley <conor+dt@kernel.org>, Joel Stanley <joel@jms.id.au>,
	Andrew Jeffery <andrew@codeconstruct.com.au>
Cc: Delphine CC Chiu <Delphine_CC_Chiu@wiwynn.com>,
	devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org
Subject: [PATCH v7 22/22] ARM: dts: aspeed: yosemite4: Revise i2c duty-cycle
Date: Thu, 21 Mar 2024 10:12:34 +0800	[thread overview]
Message-ID: <20240321021236.1823693-23-Delphine_CC_Chiu@wiwynn.com> (raw)
In-Reply-To: <20240321021236.1823693-1-Delphine_CC_Chiu@wiwynn.com>

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@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 c7bba7d68ce1..3a4da189f2c3 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;
@@ -1306,6 +1307,7 @@ &i2c15 {
 	mctp-controller;
 	multi-master;
 	bus-frequency = <400000>;
+	i2c-clk-high-min-percent = <40>;
 
 	mctp@10 {
 		compatible = "mctp-i2c-controller";
-- 
2.25.1


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  parent reply	other threads:[~2024-03-21  2:13 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-03-21  2:12 [PATCH v7 00/22] Add i2c-mux and eeprom devices for Meta Yosemite 4 Delphine CC Chiu
2024-03-21  2:12 ` Delphine CC Chiu
2024-03-21  2:12 ` [PATCH v7 01/22] ARM: dts: aspeed: yosemite4: Revise i2c-mux devices Delphine CC Chiu
2024-03-21  2:12   ` Delphine CC Chiu
2024-03-21  2:12 ` [PATCH v7 02/22] ARM: dts: aspeed: yosemite4: Enable adc15 Delphine CC Chiu
2024-03-21  2:12   ` Delphine CC Chiu
2024-03-21  2:12 ` [PATCH v7 03/22] ARM: dts: aspeed: yosemite4: Enable spi-gpio setting Delphine CC Chiu
2024-03-21  2:12   ` Delphine CC Chiu
2024-03-21  2:12 ` [PATCH v7 04/22] ARM: dts: aspeed: yosemite4: Enable watchdog2 Delphine CC Chiu
2024-03-21  2:12   ` Delphine CC Chiu
2024-03-21  2:12 ` [PATCH v7 05/22] ARM: dts: aspeed: yosemite4: Revise quad mode to dual mode Delphine CC Chiu
2024-03-21  2:12   ` Delphine CC Chiu
2024-03-21  2:12 ` [PATCH v7 06/22] ARM: dts: aspeed: yosemite4: Revise power sensor adm1281 for schematic change Delphine CC Chiu
2024-03-21  2:12   ` Delphine CC Chiu
2024-03-21  2:12 ` [PATCH v7 07/22] ARM: dts: aspeed: yosemite4: Add gpio pca9506 Delphine CC Chiu
2024-03-21  2:12   ` Delphine CC Chiu
2024-03-21  2:12 ` [PATCH v7 08/22] ARM: dts: aspeed: yosemite4: Remove space for adm1272 compatible Delphine CC Chiu
2024-03-21  2:12   ` Delphine CC Chiu
2024-03-21  2:12 ` [PATCH v7 09/22] ARM: dts: aspeed: yosemite4: Enable interrupt setting for pca9555 Delphine CC Chiu
2024-03-21  2:12   ` Delphine CC Chiu
2024-03-21  2:12 ` [PATCH v7 10/22] ARM: dts: aspeed: yosemite4: Add power sensor for power module reading Delphine CC Chiu
2024-03-21  2:12   ` Delphine CC Chiu
2024-03-21  2:12 ` [PATCH v7 11/22] ARM: dts: aspeed: yosemite4: Add eeprom for yosemite4 use Delphine CC Chiu
2024-03-21  2:12   ` Delphine CC Chiu
2024-03-21  2:12 ` [PATCH v7 12/22] ARM: dts: aspeed: yosemite4: Remove temperature sensor for yosemite4 schematic change Delphine CC Chiu
2024-03-21  2:12   ` Delphine CC Chiu
2024-03-21  2:12 ` [PATCH v7 13/22] ARM: dts: aspeed: yosemite4: Revise adc128d818 adc mode " Delphine CC Chiu
2024-03-21  2:12   ` Delphine CC Chiu
2024-03-21  2:12 ` [PATCH v7 14/22] ARM: dts: aspeed: yosemite4: Revise ina233 config " Delphine CC Chiu
2024-03-21  2:12   ` Delphine CC Chiu
2024-03-21  2:12 ` [PATCH v7 15/22] ARM: dts: aspeed: yosemite4: Remove idle state setting for yosemite4 NIC connection Delphine CC Chiu
2024-03-21  2:12   ` Delphine CC Chiu
2024-03-21  2:12 ` [PATCH v7 16/22] ARM: dts: aspeed: yosemite4: Initialize bmc gpio state Delphine CC Chiu
2024-03-21  2:12   ` Delphine CC Chiu
2024-03-21  2:12 ` [PATCH v7 17/22] ARM: dts: aspeed: yosemite4: Revise mx31790 fan tach config Delphine CC Chiu
2024-03-21  2:12   ` Delphine CC Chiu
2024-03-21  2:12 ` [PATCH v7 18/22] ARM: dts: aspeed: yosemite4: add mctp config for NIC Delphine CC Chiu
2024-03-21  2:12   ` Delphine CC Chiu
2024-03-21  2:12 ` [PATCH v7 19/22] ARM: dts: aspeed: yosemite4: support mux to cpld Delphine CC Chiu
2024-03-21  2:12   ` Delphine CC Chiu
2024-03-21  2:12 ` [PATCH v7 20/22] ARM: dts: aspeed: yosemite4: support medusa board adc sensors Delphine CC Chiu
2024-03-21  2:12   ` Delphine CC Chiu
2024-03-21  2:12 ` [PATCH v7 21/22] ARM: dts: aspeed: yosemite4: support NIC eeprom Delphine CC Chiu
2024-03-21  2:12   ` Delphine CC Chiu
2024-03-21  2:12 ` Delphine CC Chiu [this message]
2024-03-21  2:12   ` [PATCH v7 22/22] ARM: dts: aspeed: yosemite4: Revise i2c duty-cycle Delphine CC Chiu

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