[PATCH v1] ARM: dts: aspeed: yosemite4: add i2c-mux for all Server Board slots
DORMANTno replies
From: Delphine CC Chiu <Delphine_CC_Chiu@wiwynn.com>
Date: 2024-09-26 02:11:00
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 to 8 slots of server board and add the io expanders and eeprom for the slots. Signed-off-by: Ricky CX Wu <redacted> Signed-off-by: Delphine CC Chiu <Delphine_CC_Chiu@wiwynn.com> --- .../aspeed/aspeed-bmc-facebook-yosemite4.dts | 239 +++++++++++++++++- 1 file changed, 235 insertions(+), 4 deletions(-)
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..95ebdf54615d 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 +17,15 @@ aliases { serial6 = &uart7; serial7 = &uart8; serial8 = &uart9; + + i2c16 = &imux16; + i2c17 = &imux17; + i2c18 = &imux18; + i2c19 = &imux19; + i2c20 = &imux20; + i2c21 = &imux21; + i2c22 = &imux22; + i2c23 = &imux23; }; chosen {
@@ -255,24 +264,246 @@ power-sensor@40 { }; &i2c8 { + #address-cells = <1>; + #size-cells = <0>; status = "okay"; bus-frequency = <400000>; i2c-mux@70 { compatible = "nxp,pca9544"; - idle-state = <0>; - i2c-mux-idle-disconnect; reg = <0x70>; + #address-cells = <1>; + #size-cells = <0>; + i2c-mux-idle-disconnect; + + imux16: i2c@0 { + reg = <0>; + #address-cells = <1>; + #size-cells = <0>; + gpio@49 { + compatible = "nxp,pca9537"; + reg = <0x49>; + gpio-controller; + #gpio-cells = <2>; + }; + + eeprom@50 { + compatible = "atmel,24c128"; + reg = <0x50>; + }; + + eeprom@51 { + compatible = "atmel,24c128"; + reg = <0x51>; + }; + + eeprom@54 { + compatible = "atmel,24c128"; + reg = <0x54>; + }; + }; + + imux17: i2c@1 { + reg = <1>; + #address-cells = <1>; + #size-cells = <0>; + gpio@49 { + compatible = "nxp,pca9537"; + reg = <0x49>; + gpio-controller; + #gpio-cells = <2>; + }; + + eeprom@50 { + compatible = "atmel,24c128"; + reg = <0x50>; + }; + + eeprom@51 { + compatible = "atmel,24c128"; + reg = <0x51>; + }; + + eeprom@54 { + compatible = "atmel,24c128"; + reg = <0x54>; + }; + }; + + imux18: i2c@2 { + reg = <2>; + #address-cells = <1>; + #size-cells = <0>; + gpio@49 { + compatible = "nxp,pca9537"; + reg = <0x49>; + gpio-controller; + #gpio-cells = <2>; + }; + + eeprom@50 { + compatible = "atmel,24c128"; + reg = <0x50>; + }; + + eeprom@51 { + compatible = "atmel,24c128"; + reg = <0x51>; + }; + + eeprom@54 { + compatible = "atmel,24c128"; + reg = <0x54>; + }; + }; + + imux19: i2c@3 { + reg = <3>; + #address-cells = <1>; + #size-cells = <0>; + gpio@49 { + compatible = "nxp,pca9537"; + reg = <0x49>; + gpio-controller; + #gpio-cells = <2>; + }; + + eeprom@50 { + compatible = "atmel,24c128"; + reg = <0x50>; + }; + + eeprom@51 { + compatible = "atmel,24c128"; + reg = <0x51>; + }; + + eeprom@54 { + compatible = "atmel,24c128"; + reg = <0x54>; + }; + }; }; }; &i2c9 { + #address-cells = <1>; + #size-cells = <0>; status = "okay"; bus-frequency = <400000>; i2c-mux@71 { compatible = "nxp,pca9544"; - idle-state = <0>; - i2c-mux-idle-disconnect; reg = <0x71>; + #address-cells = <1>; + #size-cells = <0>; + i2c-mux-idle-disconnect; + + imux20: i2c@0 { + reg = <0>; + #address-cells = <1>; + #size-cells = <0>; + gpio@49 { + compatible = "nxp,pca9537"; + reg = <0x49>; + gpio-controller; + #gpio-cells = <2>; + }; + + eeprom@50 { + compatible = "atmel,24c128"; + reg = <0x50>; + }; + + eeprom@51 { + compatible = "atmel,24c128"; + reg = <0x51>; + }; + + eeprom@54 { + compatible = "atmel,24c128"; + reg = <0x54>; + }; + }; + + imux21: i2c@1 { + reg = <1>; + #address-cells = <1>; + #size-cells = <0>; + gpio@49 { + compatible = "nxp,pca9537"; + reg = <0x49>; + gpio-controller; + #gpio-cells = <2>; + }; + + eeprom@50 { + compatible = "atmel,24c128"; + reg = <0x50>; + }; + + eeprom@51 { + compatible = "atmel,24c128"; + reg = <0x51>; + }; + + eeprom@54 { + compatible = "atmel,24c128"; + reg = <0x54>; + }; + }; + + imux22: i2c@2 { + reg = <2>; + #address-cells = <1>; + #size-cells = <0>; + gpio@49 { + compatible = "nxp,pca9537"; + reg = <0x49>; + gpio-controller; + #gpio-cells = <2>; + }; + + eeprom@50 { + compatible = "atmel,24c128"; + reg = <0x50>; + }; + + eeprom@51 { + compatible = "atmel,24c128"; + reg = <0x51>; + }; + + eeprom@54 { + compatible = "atmel,24c128"; + reg = <0x54>; + }; + }; + + imux23: i2c@3 { + reg = <3>; + #address-cells = <1>; + #size-cells = <0>; + gpio@49 { + compatible = "nxp,pca9537"; + reg = <0x49>; + gpio-controller; + #gpio-cells = <2>; + }; + + eeprom@50 { + compatible = "atmel,24c128"; + reg = <0x50>; + }; + + eeprom@51 { + compatible = "atmel,24c128"; + reg = <0x51>; + }; + + eeprom@54 { + compatible = "atmel,24c128"; + reg = <0x54>; + }; + }; }; };
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2.25.1