[PATCH v9 19/26] ARM: dts: aspeed: yosemite4: support mux to cpld
From: Delphine CC Chiu <Delphine_CC_Chiu@wiwynn.com>
Date: 2024-06-26 09:09:08
Also in:
linux-arm-kernel, linux-aspeed, lkml
Subsystem:
arm/aspeed machine support, the rest · Maintainers:
Joel Stanley, Andrew Jeffery, Linus Torvalds
Mux pca9544 to cpld was added on EVT HW schematic design, so add dts setting for devices behind mux pca9544 to cpld Signed-off-by: Delphine CC Chiu <Delphine_CC_Chiu@wiwynn.com> --- .../aspeed/aspeed-bmc-facebook-yosemite4.dts | 64 ++++++++++++++----- 1 file changed, 49 insertions(+), 15 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 83c9d76f5a11..f4e37187bd5b 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts@@ -36,6 +36,10 @@ aliases { i2c31 = &imux31; i2c32 = &imux32; i2c33 = &imux33; + i2c34 = &imux34; + i2c35 = &imux35; + i2c36 = &imux36; + i2c37 = &imux37; }; chosen {
@@ -951,24 +955,54 @@ &i2c12 { status = "okay"; bus-frequency = <400000>; - temperature-sensor@48 { - compatible = "ti,tmp75"; - reg = <0x48>; - }; + i2c-mux@70 { + compatible = "nxp,pca9544"; + i2c-mux-idle-disconnect; + reg = <0x70>; - eeprom@50 { - compatible = "atmel,24c128"; - reg = <0x50>; - }; + imux34: i2c@0 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0>; - eeprom@54 { - compatible = "atmel,24c64"; - reg = <0x54>; - }; + temperature-sensor@48 { + compatible = "ti,tmp75"; + reg = <0x48>; + }; + + eeprom@50 { + compatible = "atmel,24c128"; + reg = <0x50>; + }; - rtc@6f { - compatible = "nuvoton,nct3018y"; - reg = <0x6f>; + eeprom@54 { + compatible = "atmel,24c64"; + reg = <0x54>; + }; + + rtc@6f { + compatible = "nuvoton,nct3018y"; + reg = <0x6f>; + }; + }; + + imux35: i2c@1 { + #address-cells = <1>; + #size-cells = <0>; + reg = <1>; + }; + + imux36: i2c@2 { + #address-cells = <1>; + #size-cells = <0>; + reg = <2>; + }; + + imux37: i2c@3 { + #address-cells = <1>; + #size-cells = <0>; + reg = <3>; + }; }; };
--
2.25.1