diff options
| author | Tao Ren <rentao.bupt@gmail.com> | 2021-08-06 01:28:17 +0300 |
|---|---|---|
| committer | Joel Stanley <joel@jms.id.au> | 2021-08-13 04:32:11 +0300 |
| commit | 2f31f8c2a3aae47041687bd26f21ef62f4de081c (patch) | |
| tree | e579ea6f5e1b8d55519455e7eee28e64a83c73aa /arch | |
| parent | 0ccdd60e51f00fefdddc58a6b9a23ccec2db33ee (diff) | |
| download | linux-2f31f8c2a3aae47041687bd26f21ef62f4de081c.tar.xz | |
ARM: dts: aspeed: Add Facebook Elbert (AST2600) BMC
Add initial version of device tree for Facebook Elbert (AST2600) BMC.
Elbert is Facebook's next generation switch platform with an AST2600 BMC
integrated for health monitoring purpose.
Signed-off-by: Tao Ren <rentao.bupt@gmail.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Link: https://lore.kernel.org/r/20210805222818.8391-6-rentao.bupt@gmail.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/boot/dts/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/boot/dts/aspeed-bmc-facebook-elbert.dts | 185 |
2 files changed, 186 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index da19be093c51..d985e74ab072 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -1435,6 +1435,7 @@ dtb-$(CONFIG_ARCH_ASPEED) += \ aspeed-bmc-bytedance-g220a.dtb \ aspeed-bmc-facebook-cloudripper.dtb \ aspeed-bmc-facebook-cmm.dtb \ + aspeed-bmc-facebook-elbert.dtb \ aspeed-bmc-facebook-galaxy100.dtb \ aspeed-bmc-facebook-minipack.dtb \ aspeed-bmc-facebook-tiogapass.dtb \ diff --git a/arch/arm/boot/dts/aspeed-bmc-facebook-elbert.dts b/arch/arm/boot/dts/aspeed-bmc-facebook-elbert.dts new file mode 100644 index 000000000000..27b43fe099f1 --- /dev/null +++ b/arch/arm/boot/dts/aspeed-bmc-facebook-elbert.dts @@ -0,0 +1,185 @@ +// SPDX-License-Identifier: GPL-2.0+ +// Copyright (c) 2020 Facebook Inc. + +/dts-v1/; + +#include "ast2600-facebook-netbmc-common.dtsi" + +/ { + model = "Facebook Elbert BMC"; + compatible = "facebook,elbert-bmc", "aspeed,ast2600"; + + aliases { + serial0 = &uart5; + serial1 = &uart1; + serial2 = &uart2; + serial3 = &uart3; + + /* + * 8 child channels of PCA9548 2-0075. + */ + i2c16 = &imux16; + i2c17 = &imux17; + i2c18 = &imux18; + i2c19 = &imux19; + i2c20 = &imux20; + i2c21 = &imux21; + i2c22 = &imux22; + i2c23 = &imux23; + + /* + * 8 child channels of PCA9548 5-0075. + */ + i2c24 = &imux24; + i2c25 = &imux25; + i2c26 = &imux26; + i2c27 = &imux27; + i2c28 = &imux28; + i2c29 = &imux29; + i2c30 = &imux30; + i2c31 = &imux31; + }; + + chosen { + stdout-path = &uart5; + }; + + spi_gpio: spi-gpio { + num-chipselects = <1>; + cs-gpios = <&gpio0 ASPEED_GPIO(X, 0) GPIO_ACTIVE_LOW>; + }; +}; + +&lpc_ctrl { + status = "okay"; +}; + +&kcs2 { + status = "okay"; + aspeed,lpc-io-reg = <0xca8>; +}; + +&kcs3 { + status = "okay"; + aspeed,lpc-io-reg = <0xca2>; +}; + +&i2c2 { + i2c-switch@75 { + compatible = "nxp,pca9548"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x75>; + i2c-mux-idle-disconnect; + + imux16: i2c@0 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0>; + }; + + imux17: i2c@1 { + #address-cells = <1>; + #size-cells = <0>; + reg = <1>; + }; + + imux18: i2c@2 { + #address-cells = <1>; + #size-cells = <0>; + reg = <2>; + }; + + imux19: i2c@3 { + #address-cells = <1>; + #size-cells = <0>; + reg = <3>; + }; + + imux20: i2c@4 { + #address-cells = <1>; + #size-cells = <0>; + reg = <4>; + }; + + imux21: i2c@5 { + #address-cells = <1>; + #size-cells = <0>; + reg = <5>; + }; + + imux22: i2c@6 { + #address-cells = <1>; + #size-cells = <0>; + reg = <6>; + }; + + imux23: i2c@7 { + #address-cells = <1>; + #size-cells = <0>; + reg = <7>; + }; + }; +}; + +&i2c5 { + i2c-switch@75 { + compatible = "nxp,pca9548"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x75>; + i2c-mux-idle-disconnect; + + imux24: i2c@0 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0>; + }; + + imux25: i2c@1 { + #address-cells = <1>; + #size-cells = <0>; + reg = <1>; + }; + + imux26: i2c@2 { + #address-cells = <1>; + #size-cells = <0>; + reg = <2>; + }; + + imux27: i2c@3 { + #address-cells = <1>; + #size-cells = <0>; + reg = <3>; + }; + + imux28: i2c@4 { + #address-cells = <1>; + #size-cells = <0>; + reg = <4>; + }; + + imux29: i2c@5 { + #address-cells = <1>; + #size-cells = <0>; + reg = <5>; + }; + + imux30: i2c@6 { + #address-cells = <1>; + #size-cells = <0>; + reg = <6>; + }; + + imux31: i2c@7 { + #address-cells = <1>; + #size-cells = <0>; + reg = <7>; + }; + }; +}; + +&i2c11 { + status = "okay"; +}; |