[PATCH v1] ARM: dts: aspeed: yosemite4: Add i2c-mux for CPLD IOE on Spider Board
From: Delphine CC Chiu <Delphine_CC_Chiu@wiwynn.com>
Date: 2024-09-26 02:41:41
Also in:
linux-aspeed, linux-devicetree, lkml
Subsystem:
arm/aspeed machine support, the rest · Maintainers:
Joel Stanley, Andrew Jeffery, Linus Torvalds
From: Ricky CX Wu <redacted> Add I2C mux for CPLD IOE on Spider Board. Signed-off-by: Ricky CX Wu <redacted> 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@71 { }; &i2c10 { + #address-cells = <1>; + #size-cells = <0>; status = "okay"; bus-frequency = <400000>; + i2c-mux@74 { + compatible = "nxp,pca9544"; + reg = <0x74>; + #address-cells = <1>; + #size-cells = <0>; + i2c-mux-idle-disconnect; + + imux28: i2c@0 { + reg = <0>; + #address-cells = <1>; + #size-cells = <0>; + + gpio@20 { + compatible = "nxp,pca9506"; + reg = <0x20>; + gpio-controller; + #gpio-cells = <2>; + }; + + gpio@21 { + compatible = "nxp,pca9506"; + reg = <0x21>; + gpio-controller; + #gpio-cells = <2>; + }; + + gpio@22 { + compatible = "nxp,pca9506"; + reg = <0x22>; + gpio-controller; + #gpio-cells = <2>; + }; + + gpio@23 { + compatible = "nxp,pca9506"; + reg = <0x23>; + gpio-controller; + #gpio-cells = <2>; + }; + + gpio@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@1 { + reg = <1>; + #address-cells = <1>; + #size-cells = <0>; + }; + }; }; &i2c11 {
--
2.25.1