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Date: Mon, 16 Nov 2020 03:33:45 +0000
From: Joel Stanley <joel@....id.au>
To: Tao Ren <rentao.bupt@...il.com>
Cc: Rob Herring <robh+dt@...nel.org>, Andrew Jeffery <andrew@...id.au>,
devicetree <devicetree@...r.kernel.org>,
Linux ARM <linux-arm-kernel@...ts.infradead.org>,
linux-aspeed <linux-aspeed@...ts.ozlabs.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
OpenBMC Maillist <openbmc@...ts.ozlabs.org>,
Tao Ren <taoren@...com>
Subject: Re: [PATCH] ARM: dts: aspeed: minipack: Fixup I2C tree
On Tue, 10 Nov 2020 at 07:24, <rentao.bupt@...il.com> wrote:
>
> From: Tao Ren <rentao.bupt@...il.com>
>
> Create all the i2c switches in device tree and use aliases to assign
> child channels with consistent bus numbers.
>
> Besides, "i2c-mux-idle-disconnect" is set for all the i2c switches to
> avoid potential conflicts when multiple devices (beind the switches) use
> the same device address.
>
> Signed-off-by: Tao Ren <rentao.bupt@...il.com>
Reviewed-by: Joel Stanley <joel@....id.au>
I will apply for 5.11.
> ---
> .../boot/dts/aspeed-bmc-facebook-minipack.dts | 888 ++++++++++++++++++
> 1 file changed, 888 insertions(+)
>
> diff --git a/arch/arm/boot/dts/aspeed-bmc-facebook-minipack.dts b/arch/arm/boot/dts/aspeed-bmc-facebook-minipack.dts
> index c34741dbd268..9eb23e874f19 100644
> --- a/arch/arm/boot/dts/aspeed-bmc-facebook-minipack.dts
> +++ b/arch/arm/boot/dts/aspeed-bmc-facebook-minipack.dts
> @@ -70,6 +70,162 @@
> 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 {
> @@ -184,11 +340,16 @@
> &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>;
> @@ -269,29 +430,270 @@
> #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 {
> @@ -323,11 +725,16 @@
> &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>;
> @@ -391,53 +798,534 @@
> #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>;
> + };
> + };
> };
> };
> };
> --
> 2.17.1
>
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