// SPDX-License-Identifier: GPL-2.0+ // Copyright (c) 2018 Facebook Inc. /dts-v1/; #include "ast2500-facebook-netbmc-common.dtsi" / { model = "Facebook Minipack 100 BMC"; compatible = "facebook,minipack-bmc", "aspeed,ast2500"; aliases { /* * Override the default serial aliases to avoid breaking * the legacy applications. */ serial0 = &uart5; serial1 = &uart1; serial2 = &uart2; serial3 = &uart3; serial4 = &uart4; /* * i2c switch 2-0070, pca9548, 8 child channels assigned * with bus number 16-23. */ i2c16 = &imux16; i2c17 = &imux17; i2c18 = &imux18; i2c19 = &imux19; i2c20 = &imux20; i2c21 = &imux21; i2c22 = &imux22; i2c23 = &imux23; /* * i2c switch 8-0070, pca9548, 8 child channels assigned * with bus number 24-31. */ i2c24 = &imux24; i2c25 = &imux25; i2c26 = &imux26; i2c27 = &imux27; i2c28 = &imux28; i2c29 = &imux29; i2c30 = &imux30; i2c31 = &imux31; /* * i2c switch 9-0070, pca9548, 8 child channels assigned * with bus number 32-39. */ i2c32 = &imux32; i2c33 = &imux33; i2c34 = &imux34; i2c35 = &imux35; i2c36 = &imux36; i2c37 = &imux37; i2c38 = &imux38; i2c39 = &imux39; /* * i2c switch 11-0070, pca9548, 8 child channels assigned * with bus number 40-47. */ i2c40 = &imux40; i2c41 = &imux41; i2c42 = &imux42; i2c43 = &imux43; i2c44 = &imux44; i2c45 = &imux45; i2c46 = &imux46; i2c47 = &imux47; /* * I2C Switch 24-0071 (channel #0 of 8-0070): 8 channels for * connecting to left PDB (Power Distribution Board). */ i2c48 = &imux48; i2c49 = &imux49; i2c50 = &imux50; i2c51 = &imux51; i2c52 = &imux52; i2c53 = &imux53; i2c54 = &imux54; i2c55 = &imux55; /* * I2C Switch 25-0072 (channel #1 of 8-0070): 8 channels for * connecting to right PDB (Power Distribution Board). */ i2c56 = &imux56; i2c57 = &imux57; i2c58 = &imux58; i2c59 = &imux59; i2c60 = &imux60; i2c61 = &imux61; i2c62 = &imux62; i2c63 = &imux63; /* * I2C Switch 26-0076 (channel #2 of 8-0070): 8 channels for * connecting to top FCM (Fan Control Module). */ i2c64 = &imux64; i2c65 = &imux65; i2c66 = &imux66; i2c67 = &imux67; i2c68 = &imux68; i2c69 = &imux69; i2c70 = &imux70; i2c71 = &imux71; /* * I2C Switch 27-0076 (channel #3 of 8-0070): 8 channels for * connecting to bottom FCM (Fan Control Module). */ i2c72 = &imux72; i2c73 = &imux73; i2c74 = &imux74; i2c75 = &imux75; i2c76 = &imux76; i2c77 = &imux77; i2c78 = &imux78; i2c79 = &imux79; /* * I2C Switch 40-0073 (channel #0 of 11-0070): connecting * to PIM (Port Interface Module) #1 (1-based). */ i2c80 = &imux80; i2c81 = &imux81; i2c82 = &imux82; i2c83 = &imux83; i2c84 = &imux84; i2c85 = &imux85; i2c86 = &imux86; i2c87 = &imux87; /* * I2C Switch 41-0073 (channel #1 of 11-0070): connecting * to PIM (Port Interface Module) #2 (1-based). */ i2c88 = &imux88; i2c89 = &imux89; i2c90 = &imux90; i2c91 = &imux91; i2c92 = &imux92; i2c93 = &imux93; i2c94 = &imux94; i2c95 = &imux95; /* * I2C Switch 42-0073 (channel #2 of 11-0070): connecting * to PIM (Port Interface Module) #3 (1-based). */ i2c96 = &imux96; i2c97 = &imux97; i2c98 = &imux98; i2c99 = &imux99; i2c100 = &imux100; i2c101 = &imux101; i2c102 = &imux102; i2c103 = &imux103; /* * I2C Switch 43-0073 (channel #3 of 11-0070): connecting * to PIM (Port Interface Module) #4 (1-based). */ i2c104 = &imux104; i2c105 = &imux105; i2c106 = &imux106; i2c107 = &imux107; i2c108 = &imux108; i2c109 = &imux109; i2c110 = &imux110; i2c111 = &imux111; /* * I2C Switch 44-0073 (channel #4 of 11-0070): connecting * to PIM (Port Interface Module) #5 (1-based). */ i2c112 = &imux112; i2c113 = &imux113; i2c114 = &imux114; i2c115 = &imux115; i2c116 = &imux116; i2c117 = &imux117; i2c118 = &imux118; i2c119 = &imux119; /* * I2C Switch 45-0073 (channel #5 of 11-0070): connecting * to PIM (Port Interface Module) #6 (1-based). */ i2c120 = &imux120; i2c121 = &imux121; i2c122 = &imux122; i2c123 = &imux123; i2c124 = &imux124; i2c125 = &imux125; i2c126 = &imux126; i2c127 = &imux127; /* * I2C Switch 46-0073 (channel #6 of 11-0070): connecting * to PIM (Port Interface Module) #7 (1-based). */ i2c128 = &imux128; i2c129 = &imux129; i2c130 = &imux130; i2c131 = &imux131; i2c132 = &imux132; i2c133 = &imux133; i2c134 = &imux134; i2c135 = &imux135; /* * I2C Switch 47-0073 (channel #7 of 11-0070): connecting * to PIM (Port Interface Module) #8 (1-based). */ i2c136 = &imux136; i2c137 = &imux137; i2c138 = &imux138; i2c139 = &imux139; i2c140 = &imux140; i2c141 = &imux141; i2c142 = &imux142; i2c143 = &imux143; }; chosen { stdout-path = &uart1; bootargs = "debug console=ttyS1,9600n8 root=/dev/ram rw"; }; }; &wdt2 { status = "okay"; aspeed,reset-type = "system"; }; /* * Both firmware flashes are 64MB on Minipack BMC. */ &fmc_flash0 { partitions { compatible = "fixed-partitions"; #address-cells = <1>; #size-cells = <1>; /* * u-boot partition: 384KB. */ u-boot@0 { reg = <0x0 0x60000>; label = "u-boot"; }; /* * u-boot environment variables: 128KB. */ u-boot-env@60000 { reg = <0x60000 0x20000>; label = "env"; }; /* * FIT image: 59.5 MB. */ fit@80000 { reg = <0x80000 0x3b80000>; label = "fit"; }; /* * "data0" partition (4MB) is reserved for persistent * data store. */ data0@3800000 { reg = <0x3c00000 0x400000>; label = "data0"; }; /* * "flash0" partition (covering the entire flash) is * explicitly created to avoid breaking legacy applications. */ flash0@0 { reg = <0x0 0x4000000>; label = "flash0"; }; }; }; &fmc_flash1 { partitions { compatible = "fixed-partitions"; #address-cells = <1>; #size-cells = <1>; flash1@0 { reg = <0x0 0x4000000>; }; }; }; &uart1 { pinctrl-0 = <&pinctrl_txd1_default &pinctrl_rxd1_default &pinctrl_ncts1_default &pinctrl_ndsr1_default &pinctrl_ndtr1_default &pinctrl_nrts1_default>; }; &uart2 { status = "okay"; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_txd2_default &pinctrl_rxd2_default>; }; &uart4 { status = "okay"; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_txd4_default &pinctrl_rxd4_default>; }; &i2c0 { status = "okay"; bus-frequency = <400000>; multi-master; }; &i2c1 { status = "okay"; }; &i2c2 { status = "okay"; /* * I2C Switch 2-0070 is connecting to SCM (System Controller * Module). */ i2c-switch@70 { compatible = "nxp,pca9548"; #address-cells = <1>; #size-cells = <0>; reg = <0x70>; 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>; }; }; }; &i2c3 { status = "okay"; }; &i2c4 { status = "okay"; multi-master; }; &i2c5 { status = "okay"; }; &i2c6 { status = "okay"; }; &i2c7 { status = "okay"; }; &i2c8 { status = "okay"; i2c-switch@70 { compatible = "nxp,pca9548"; #address-cells = <1>; #size-cells = <0>; reg = <0x70>; i2c-mux-idle-disconnect; /* * I2C Switch 8-0070 channel #0: connecting to left PDB * (Power Distribution Board). */ imux24: i2c@0 { #address-cells = <1>; #size-cells = <0>; reg = <0>; i2c-switch@71 { compatible = "nxp,pca9548"; #address-cells = <1>; #size-cells = <0>; reg = <0x71>; i2c-mux-idle-disconnect; imux48: i2c@0 { #address-cells = <1>; #size-cells = <0>; reg = <0>; }; imux49: i2c@1 { #address-cells = <1>; #size-cells = <0>; reg = <1>; }; imux50: i2c@2 { #address-cells = <1>; #size-cells = <0>; reg = <2>; }; imux51: i2c@3 { #address-cells = <1>; #size-cells = <0>; reg = <3>; }; imux52: i2c@4 { #address-cells = <1>; #size-cells = <0>; reg = <4>; }; imux53: i2c@5 { #address-cells = <1>; #size-cells = <0>; reg = <5>; }; imux54: i2c@6 { #address-cells = <1>; #size-cells = <0>; reg = <6>; }; imux55: i2c@7 { #address-cells = <1>; #size-cells = <0>; reg = <7>; }; }; }; /* * I2C Switch 8-0070 channel #1: connecting to right PDB * (Power Distribution Board). */ imux25: i2c@1 { #address-cells = <1>; #size-cells = <0>; reg = <1>; i2c-switch@72 { compatible = "nxp,pca9548"; #address-cells = <1>; #size-cells = <0>; reg = <0x72>; i2c-mux-idle-disconnect; imux56: i2c@0 { #address-cells = <1>; #size-cells = <0>; reg = <0>; }; imux57: i2c@1 { #address-cells = <1>; #size-cells = <0>; reg = <1>; }; imux58: i2c@2 { #address-cells = <1>; #size-cells = <0>; reg = <2>; }; imux59: i2c@3 { #address-cells = <1>; #size-cells = <0>; reg = <3>; }; imux60: i2c@4 { #address-cells = <1>; #size-cells = <0>; reg = <4>; }; imux61: i2c@5 { #address-cells = <1>; #size-cells = <0>; reg = <5>; }; imux62: i2c@6 { #address-cells = <1>; #size-cells = <0>; reg = <6>; }; imux63: i2c@7 { #address-cells = <1>; #size-cells = <0>; reg = <7>; }; }; }; /* * I2C Switch 8-0070 channel #2: connecting to top FCM * (Fan Control Module). */ imux26: i2c@2 { #address-cells = <1>; #size-cells = <0>; reg = <2>; i2c-switch@76 { compatible = "nxp,pca9548"; #address-cells = <1>; #size-cells = <0>; reg = <0x76>; i2c-mux-idle-disconnect; imux64: i2c@0 { #address-cells = <1>; #size-cells = <0>; reg = <0>; }; imux65: i2c@1 { #address-cells = <1>; #size-cells = <0>; reg = <1>; }; imux66: i2c@2 { #address-cells = <1>; #size-cells = <0>; reg = <2>; }; imux67: i2c@3 { #address-cells = <1>; #size-cells = <0>; reg = <3>; }; imux68: i2c@4 { #address-cells = <1>; #size-cells = <0>; reg = <4>; }; imux69: i2c@5 { #address-cells = <1>; #size-cells = <0>; reg = <5>; }; imux70: i2c@6 { #address-cells = <1>; #size-cells = <0>; reg = <6>; }; imux71: i2c@7 { #address-cells = <1>; #size-cells = <0>; reg = <7>; }; }; }; /* * I2C Switch 8-0070 channel #3: connecting to bottom * FCM (Fan Control Module). */ imux27: i2c@3 { #address-cells = <1>; #size-cells = <0>; reg = <3>; i2c-switch@76 { compatible = "nxp,pca9548"; #address-cells = <1>; #size-cells = <0>; reg = <0x76>; i2c-mux-idle-disconnect; imux72: i2c@0 { #address-cells = <1>; #size-cells = <0>; reg = <0>; }; imux73: i2c@1 { #address-cells = <1>; #size-cells = <0>; reg = <1>; }; imux74: i2c@2 { #address-cells = <1>; #size-cells = <0>; reg = <2>; }; imux75: i2c@3 { #address-cells = <1>; #size-cells = <0>; reg = <3>; }; imux76: i2c@4 { #address-cells = <1>; #size-cells = <0>; reg = <4>; }; imux77: i2c@5 { #address-cells = <1>; #size-cells = <0>; reg = <5>; }; imux78: i2c@6 { #address-cells = <1>; #size-cells = <0>; reg = <6>; }; imux79: i2c@7 { #address-cells = <1>; #size-cells = <0>; reg = <7>; }; }; }; 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>; }; }; }; &i2c9 { status = "okay"; /* * I2C Switch 9-0070 is connecting to MAC/PHY EEPROMs on SMB * (Switch Main Board). */ i2c-switch@70 { compatible = "nxp,pca9548"; #address-cells = <1>; #size-cells = <0>; reg = <0x70>; i2c-mux-idle-disconnect; imux32: i2c@0 { #address-cells = <1>; #size-cells = <0>; reg = <0>; }; imux33: i2c@1 { #address-cells = <1>; #size-cells = <0>; reg = <1>; }; imux34: i2c@2 { #address-cells = <1>; #size-cells = <0>; reg = <2>; }; imux35: i2c@3 { #address-cells = <1>; #size-cells = <0>; reg = <3>; }; imux36: i2c@4 { #address-cells = <1>; #size-cells = <0>; reg = <4>; }; imux37: i2c@5 { #address-cells = <1>; #size-cells = <0>; reg = <5>; }; imux38: i2c@6 { #address-cells = <1>; #size-cells = <0>; reg = <6>; }; imux39: i2c@7 { #address-cells = <1>; #size-cells = <0>; reg = <7>; }; }; }; &i2c10 { status = "okay"; }; &i2c11 { status = "okay"; i2c-switch@70 { compatible = "nxp,pca9548"; #address-cells = <1>; #size-cells = <0>; reg = <0x70>; i2c-mux-idle-disconnect; /* * I2C Switch 11-0070 channel #0: connecting to PIM * (Port Interface Module) #1 (1-based). */ imux40: i2c@0 { #address-cells = <1>; #size-cells = <0>; reg = <0>; i2c-switch@73 { compatible = "nxp,pca9548"; #address-cells = <1>; #size-cells = <0>; reg = <0x73>; i2c-mux-idle-disconnect; imux80: i2c@0 { #address-cells = <1>; #size-cells = <0>; reg = <0>; }; imux81: i2c@1 { #address-cells = <1>; #size-cells = <0>; reg = <1>; }; imux82: i2c@2 { #address-cells = <1>; #size-cells = <0>; reg = <2>; }; imux83: i2c@3 { #address-cells = <1>; #size-cells = <0>; reg = <3>; }; imux84: i2c@4 { #address-cells = <1>; #size-cells = <0>; reg = <4>; }; imux85: i2c@5 { #address-cells = <1>; #size-cells = <0>; reg = <5>; }; imux86: i2c@6 { #address-cells = <1>; #size-cells = <0>; reg = <6>; }; imux87: i2c@7 { #address-cells = <1>; #size-cells = <0>; reg = <7>; }; }; }; /* * I2C Switch 11-0070 channel #1: connecting to PIM * (Port Interface Module) #2 (1-based). */ imux41: i2c@1 { #address-cells = <1>; #size-cells = <0>; reg = <1>; i2c-switch@73 { compatible = "nxp,pca9548"; #address-cells = <1>; #size-cells = <0>; reg = <0x73>; i2c-mux-idle-disconnect; imux88: i2c@0 { #address-cells = <1>; #size-cells = <0>; reg = <0>; }; imux89: i2c@1 { #address-cells = <1>; #size-cells = <0>; reg = <1>; }; imux90: i2c@2 { #address-cells = <1>; #size-cells = <0>; reg = <2>; }; imux91: i2c@3 { #address-cells = <1>; #size-cells = <0>; reg = <3>; }; imux92: i2c@4 { #address-cells = <1>; #size-cells = <0>; reg = <4>; }; imux93: i2c@5 { #address-cells = <1>; #size-cells = <0>; reg = <5>; }; imux94: i2c@6 { #address-cells = <1>; #size-cells = <0>; reg = <6>; }; imux95: i2c@7 { #address-cells = <1>; #size-cells = <0>; reg = <7>; }; }; }; /* * I2C Switch 11-0070 channel #2: connecting to PIM * (Port Interface Module) #3 (1-based). */ imux42: i2c@2 { #address-cells = <1>; #size-cells = <0>; reg = <2>; i2c-switch@73 { compatible = "nxp,pca9548"; #address-cells = <1>; #size-cells = <0>; reg = <0x73>; i2c-mux-idle-disconnect; imux96: i2c@0 { #address-cells = <1>; #size-cells = <0>; reg = <0>; }; imux97: i2c@1 { #address-cells = <1>; #size-cells = <0>; reg = <1>; }; imux98: i2c@2 { #address-cells = <1>; #size-cells = <0>; reg = <2>; }; imux99: i2c@3 { #address-cells = <1>; #size-cells = <0>; reg = <3>; }; imux100: i2c@4 { #address-cells = <1>; #size-cells = <0>; reg = <4>; }; imux101: i2c@5 { #address-cells = <1>; #size-cells = <0>; reg = <5>; }; imux102: i2c@6 { #address-cells = <1>; #size-cells = <0>; reg = <6>; }; imux103: i2c@7 { #address-cells = <1>; #size-cells = <0>; reg = <7>; }; }; }; /* * I2C Switch 11-0070 channel #3: connecting to PIM * (Port Interface Module) #4 (1-based). */ imux43: i2c@3 { #address-cells = <1>; #size-cells = <0>; reg = <3>; i2c-switch@73 { compatible = "nxp,pca9548"; #address-cells = <1>; #size-cells = <0>; reg = <0x73>; i2c-mux-idle-disconnect; imux104: i2c@0 { #address-cells = <1>; #size-cells = <0>; reg = <0>; }; imux105: i2c@1 { #address-cells = <1>; #size-cells = <0>; reg = <1>; }; imux106: i2c@2 { #address-cells = <1>; #size-cells = <0>; reg = <2>; }; imux107: i2c@3 { #address-cells = <1>; #size-cells = <0>; reg = <3>; }; imux108: i2c@4 { #address-cells = <1>; #size-cells = <0>; reg = <4>; }; imux109: i2c@5 { #address-cells = <1>; #size-cells = <0>; reg = <5>; }; imux110: i2c@6 { #address-cells = <1>; #size-cells = <0>; reg = <6>; }; imux111: i2c@7 { #address-cells = <1>; #size-cells = <0>; reg = <7>; }; }; }; /* * I2C Switch 11-0070 channel #4: connecting to PIM * (Port Interface Module) #5 (1-based). */ imux44: i2c@4 { #address-cells = <1>; #size-cells = <0>; reg = <4>; i2c-switch@73 { compatible = "nxp,pca9548"; #address-cells = <1>; #size-cells = <0>; reg = <0x73>; i2c-mux-idle-disconnect; imux112: i2c@0 { #address-cells = <1>; #size-cells = <0>; reg = <0>; }; imux113: i2c@1 { #address-cells = <1>; #size-cells = <0>; reg = <1>; }; imux114: i2c@2 { #address-cells = <1>; #size-cells = <0>; reg = <2>; }; imux115: i2c@3 { #address-cells = <1>; #size-cells = <0>; reg = <3>; }; imux116: i2c@4 { #address-cells = <1>; #size-cells = <0>; reg = <4>; }; imux117: i2c@5 { #address-cells = <1>; #size-cells = <0>; reg = <5>; }; imux118: i2c@6 { #address-cells = <1>; #size-cells = <0>; reg = <6>; }; imux119: i2c@7 { #address-cells = <1>; #size-cells = <0>; reg = <7>; }; }; }; /* * I2C Switch 11-0070 channel #5: connecting to PIM * (Port Interface Module) #6 (1-based). */ imux45: i2c@5 { #address-cells = <1>; #size-cells = <0>; reg = <5>; i2c-switch@73 { compatible = "nxp,pca9548"; #address-cells = <1>; #size-cells = <0>; reg = <0x73>; i2c-mux-idle-disconnect; imux120: i2c@0 { #address-cells = <1>; #size-cells = <0>; reg = <0>; }; imux121: i2c@1 { #address-cells = <1>; #size-cells = <0>; reg = <1>; }; imux122: i2c@2 { #address-cells = <1>; #size-cells = <0>; reg = <2>; }; imux123: i2c@3 { #address-cells = <1>; #size-cells = <0>; reg = <3>; }; imux124: i2c@4 { #address-cells = <1>; #size-cells = <0>; reg = <4>; }; imux125: i2c@5 { #address-cells = <1>; #size-cells = <0>; reg = <5>; }; imux126: i2c@6 { #address-cells = <1>; #size-cells = <0>; reg = <6>; }; imux127: i2c@7 { #address-cells = <1>; #size-cells = <0>; reg = <7>; }; }; }; /* * I2C Switch 11-0070 channel #6: connecting to PIM * (Port Interface Module) #7 (1-based). */ imux46: i2c@6 { #address-cells = <1>; #size-cells = <0>; reg = <6>; i2c-switch@73 { compatible = "nxp,pca9548"; #address-cells = <1>; #size-cells = <0>; reg = <0x73>; i2c-mux-idle-disconnect; imux128: i2c@0 { #address-cells = <1>; #size-cells = <0>; reg = <0>; }; imux129: i2c@1 { #address-cells = <1>; #size-cells = <0>; reg = <1>; }; imux130: i2c@2 { #address-cells = <1>; #size-cells = <0>; reg = <2>; }; imux131: i2c@3 { #address-cells = <1>; #size-cells = <0>; reg = <3>; }; imux132: i2c@4 { #address-cells = <1>; #size-cells = <0>; reg = <4>; }; imux133: i2c@5 { #address-cells = <1>; #size-cells = <0>; reg = <5>; }; imux134: i2c@6 { #address-cells = <1>; #size-cells = <0>; reg = <6>; }; imux135: i2c@7 { #address-cells = <1>; #size-cells = <0>; reg = <7>; }; }; }; /* * I2C Switch 11-0070 channel #7: connecting to PIM * (Port Interface Module) #8 (1-based). */ imux47: i2c@7 { #address-cells = <1>; #size-cells = <0>; reg = <7>; i2c-switch@73 { compatible = "nxp,pca9548"; #address-cells = <1>; #size-cells = <0>; reg = <0x73>; i2c-mux-idle-disconnect; imux136: i2c@0 { #address-cells = <1>; #size-cells = <0>; reg = <0>; }; imux137: i2c@1 { #address-cells = <1>; #size-cells = <0>; reg = <1>; }; imux138: i2c@2 { #address-cells = <1>; #size-cells = <0>; reg = <2>; }; imux139: i2c@3 { #address-cells = <1>; #size-cells = <0>; reg = <3>; }; imux140: i2c@4 { #address-cells = <1>; #size-cells = <0>; reg = <4>; }; imux141: i2c@5 { #address-cells = <1>; #size-cells = <0>; reg = <5>; }; imux142: i2c@6 { #address-cells = <1>; #size-cells = <0>; reg = <6>; }; imux143: i2c@7 { #address-cells = <1>; #size-cells = <0>; reg = <7>; }; }; }; }; }; &i2c12 { status = "okay"; }; &i2c13 { status = "okay"; };