a5d28c8e64
Initialize I2C pins on boards with CPM1/CPM2 controllers and document the i2c bus in booting-without-of. The boards don't have any I2C chips connected to the I2C bus, so unless some external chips are connected to the boards, this code is just an example of setting everything else up. Signed-off-by: Jochen Friedrich <jochen@scram.de> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
192 lines
4.2 KiB
Plaintext
192 lines
4.2 KiB
Plaintext
/*
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* MPC866 ADS Device Tree Source
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*
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* Copyright 2006 MontaVista Software, Inc.
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* Copyright 2008 Freescale Semiconductor, Inc.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*/
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/dts-v1/;
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/ {
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model = "MPC866ADS";
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compatible = "fsl,mpc866ads";
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#address-cells = <1>;
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#size-cells = <1>;
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cpus {
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#address-cells = <1>;
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#size-cells = <0>;
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PowerPC,866@0 {
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device_type = "cpu";
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reg = <0x0>;
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d-cache-line-size = <16>; // 16 bytes
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i-cache-line-size = <16>; // 16 bytes
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d-cache-size = <0x2000>; // L1, 8K
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i-cache-size = <0x4000>; // L1, 16K
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timebase-frequency = <0>;
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bus-frequency = <0>;
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clock-frequency = <0>;
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interrupts = <15 2>; // decrementer interrupt
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interrupt-parent = <&PIC>;
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};
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};
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memory {
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device_type = "memory";
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reg = <0x0 0x800000>;
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};
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localbus@ff000100 {
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compatible = "fsl,mpc866-localbus", "fsl,pq1-localbus";
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#address-cells = <2>;
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#size-cells = <1>;
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reg = <0xff000100 0x40>;
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ranges = <
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0x1 0x0 0xff080000 0x8000
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0x5 0x0 0xff0a0000 0x8000
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>;
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board-control@1,0 {
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reg = <0x1 0x0 0x20 0x5 0x300 0x4>;
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compatible = "fsl,mpc866ads-bcsr";
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};
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};
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soc@ff000000 {
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#address-cells = <1>;
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#size-cells = <1>;
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device_type = "soc";
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ranges = <0x0 0xff000000 0x100000>;
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reg = <0xff000000 0x200>;
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bus-frequency = <0>;
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mdio@e00 {
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compatible = "fsl,mpc866-fec-mdio", "fsl,pq1-fec-mdio";
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reg = <0xe00 0x188>;
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#address-cells = <1>;
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#size-cells = <0>;
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PHY: ethernet-phy@f {
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reg = <0xf>;
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device_type = "ethernet-phy";
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};
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};
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ethernet@e00 {
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device_type = "network";
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compatible = "fsl,mpc866-fec-enet",
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"fsl,pq1-fec-enet";
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reg = <0xe00 0x188>;
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local-mac-address = [ 00 00 00 00 00 00 ];
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interrupts = <3 1>;
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interrupt-parent = <&PIC>;
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phy-handle = <&PHY>;
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linux,network-index = <0>;
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};
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PIC: pic@0 {
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interrupt-controller;
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#interrupt-cells = <2>;
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reg = <0x0 0x24>;
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compatible = "fsl,mpc866-pic", "fsl,pq1-pic";
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};
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cpm@9c0 {
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#address-cells = <1>;
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#size-cells = <1>;
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compatible = "fsl,mpc866-cpm", "fsl,cpm1";
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ranges;
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reg = <0x9c0 0x40>;
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brg-frequency = <0>;
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interrupts = <0 2>; // cpm error interrupt
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interrupt-parent = <&CPM_PIC>;
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muram@2000 {
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#address-cells = <1>;
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#size-cells = <1>;
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ranges = <0x0 0x2000 0x2000>;
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data@0 {
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compatible = "fsl,cpm-muram-data";
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reg = <0x0 0x1c00>;
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};
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};
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brg@9f0 {
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compatible = "fsl,mpc866-brg",
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"fsl,cpm1-brg",
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"fsl,cpm-brg";
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reg = <0x9f0 0x10>;
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clock-frequency = <0>;
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};
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CPM_PIC: pic@930 {
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interrupt-controller;
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#address-cells = <0>;
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#interrupt-cells = <1>;
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interrupts = <5 2 0 2>;
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interrupt-parent = <&PIC>;
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reg = <0x930 0x20>;
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compatible = "fsl,mpc866-cpm-pic",
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"fsl,cpm1-pic";
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};
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serial@a80 {
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device_type = "serial";
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compatible = "fsl,mpc866-smc-uart",
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"fsl,cpm1-smc-uart";
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reg = <0xa80 0x10 0x3e80 0x40>;
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interrupts = <4>;
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interrupt-parent = <&CPM_PIC>;
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fsl,cpm-brg = <1>;
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fsl,cpm-command = <0x90>;
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};
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serial@a90 {
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device_type = "serial";
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compatible = "fsl,mpc866-smc-uart",
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"fsl,cpm1-smc-uart";
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reg = <0xa90 0x10 0x3f80 0x40>;
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interrupts = <3>;
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interrupt-parent = <&CPM_PIC>;
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fsl,cpm-brg = <2>;
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fsl,cpm-command = <0xd0>;
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};
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ethernet@a00 {
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device_type = "network";
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compatible = "fsl,mpc866-scc-enet",
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"fsl,cpm1-scc-enet";
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reg = <0xa00 0x18 0x3c00 0x100>;
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local-mac-address = [ 00 00 00 00 00 00 ];
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interrupts = <30>;
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interrupt-parent = <&CPM_PIC>;
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fsl,cpm-command = <0000>;
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linux,network-index = <1>;
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};
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i2c@860 {
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compatible = "fsl,mpc866-i2c",
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"fsl,cpm1-i2c";
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reg = <0x860 0x20 0x3c80 0x30>;
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interrupts = <16>;
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interrupt-parent = <&CPM_PIC>;
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fsl,cpm-command = <0x10>;
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#address-cells = <1>;
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#size-cells = <0>;
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};
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};
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};
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chosen {
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linux,stdout-path = "/soc/cpm/serial@a80";
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};
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};
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