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From: Delphine CC Chiu <Delphine_CC_Chiu@wiwynn.com>
To: linux-aspeed@lists.ozlabs.org
Subject: [PATCH v1] ARM: dts: aspeed: yosemite4: Add i2c-mux for CPLD IOE on Spider Board
Date: Thu, 26 Sep 2024 10:41:33 +0800	[thread overview]
Message-ID: <20240926024133.3786712-1-Delphine_CC_Chiu@wiwynn.com> (raw)

From: Ricky CX Wu <ricky.cx.wu.wiwynn@gmail.com>

Add I2C mux for CPLD IOE on Spider Board.

Signed-off-by: Ricky CX Wu <ricky.cx.wu.wiwynn@gmail.com>
Signed-off-by: Delphine CC Chiu <Delphine_CC_Chiu@wiwynn.com>
---
 .../aspeed/aspeed-bmc-facebook-yosemite4.dts  | 67 +++++++++++++++++++
 1 file changed, 67 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 98477792aa00..ea1a9c765483 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
@@ -17,6 +17,9 @@ aliases {
 		serial6 = &uart7;
 		serial7 = &uart8;
 		serial8 = &uart9;
+
+		i2c28 = &imux28;
+		i2c29 = &imux29;
 	};
 
 	chosen {
@@ -277,8 +280,72 @@ i2c-mux at 71 {
 };
 
 &i2c10 {
+	#address-cells = <1>;
+	#size-cells = <0>;
 	status = "okay";
 	bus-frequency = <400000>;
+	i2c-mux at 74 {
+		compatible = "nxp,pca9544";
+		reg = <0x74>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+		i2c-mux-idle-disconnect;
+
+		imux28: i2c at 0 {
+			reg = <0>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			gpio at 20 {
+				compatible = "nxp,pca9506";
+				reg = <0x20>;
+				gpio-controller;
+				#gpio-cells = <2>;
+			};
+
+			gpio at 21 {
+				compatible = "nxp,pca9506";
+				reg = <0x21>;
+				gpio-controller;
+				#gpio-cells = <2>;
+			};
+
+			gpio at 22 {
+				compatible = "nxp,pca9506";
+				reg = <0x22>;
+				gpio-controller;
+				#gpio-cells = <2>;
+			};
+
+			gpio at 23 {
+				compatible = "nxp,pca9506";
+				reg = <0x23>;
+				gpio-controller;
+				#gpio-cells = <2>;
+			};
+
+			gpio at 24 {
+				compatible = "nxp,pca9506";
+				reg = <0x24>;
+				gpio-controller;
+				#gpio-cells = <2>;
+				gpio-line-names = "","","","",
+						  "NIC0_MAIN_PWR_EN",
+						  "NIC1_MAIN_PWR_EN",
+						  "NIC2_MAIN_PWR_EN",
+						  "NIC3_MAIN_PWR_EN",
+						  "","","","","","","","",
+						  "","","","","","","","",
+						  "","","","","","","","";
+			};
+		};
+
+		imux29: i2c at 1 {
+			reg = <1>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+	};
 };
 
 &i2c11 {
-- 
2.25.1


             reply	other threads:[~2024-09-26  2:41 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-09-26  2:41 Delphine CC Chiu [this message]
2024-09-27  5:57 ` [PATCH v1] ARM: dts: aspeed: yosemite4: Add i2c-mux for CPLD IOE on Spider Board Andrew Jeffery
2024-09-27  9:24   ` Delphine_CC_Chiu/WYHQ/Wiwynn
2024-09-28  2:33     ` Patrick Williams
2024-09-29 23:44       ` Andrew Jeffery
2024-09-30  1:47         ` Delphine_CC_Chiu/WYHQ/Wiwynn
2024-09-30  2:36           ` Andrew Jeffery
2024-09-30  5:55             ` Delphine_CC_Chiu/WYHQ/Wiwynn
2024-09-30  6:02               ` Andrew Jeffery
2024-09-30  6:08                 ` Delphine_CC_Chiu/WYHQ/Wiwynn

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