From 72f5d5d5247725ea7ca786378ac2ab40bc5c0dab Mon Sep 17 00:00:00 2001 From: Ash Charles Date: Fri, 12 Jun 2015 13:37:23 -0700 Subject: ARM: dts: Add DTS for Gumstix TobiDuo expansion board The Gumstix "Tobi-Duo" expansion board [1] can be used with either OMAP3 Overo or Overo Storm COMs. It provides two NICs using LAN9221 chips. It is necessary to duplicate the interface information for the second SMSC9221 chip as discussed [2]. [1] https://store.gumstix.com/index.php/products/241/ [2] http://www.spinics.net/lists/linux-omap/msg115282.html Signed-off-by: Ash Charles Signed-off-by: Tony Lindgren --- arch/arm/boot/dts/omap3-overo-tobiduo-common.dtsi | 65 +++++++++++++++++++++++ 1 file changed, 65 insertions(+) create mode 100644 arch/arm/boot/dts/omap3-overo-tobiduo-common.dtsi (limited to 'arch/arm/boot/dts/omap3-overo-tobiduo-common.dtsi') diff --git a/arch/arm/boot/dts/omap3-overo-tobiduo-common.dtsi b/arch/arm/boot/dts/omap3-overo-tobiduo-common.dtsi new file mode 100644 index 000000000000..334109e14613 --- /dev/null +++ b/arch/arm/boot/dts/omap3-overo-tobiduo-common.dtsi @@ -0,0 +1,65 @@ +/* + * Copyright (C) 2015 Ash Charles, Gumstix, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +/* + * TobiDuo expansion board is manufactured by Gumstix Inc. + */ + +#include "omap3-overo-common-peripherals.dtsi" + +#include "omap-gpmc-smsc9221.dtsi" + +&gpmc { + ranges = <4 0 0x2b000000 0x1000000>, /* CS4 */ + <5 0 0x2c000000 0x1000000>; /* CS5 */ + + smsc1: ethernet@gpmc { + reg = <5 0 0xff>; + interrupt-parent = <&gpio6>; + interrupts = <16 IRQ_TYPE_LEVEL_LOW>; /* GPIO 176 */ + }; + + smsc2: ethernet@4,0 { + compatible = "smsc,lan9221","smsc,lan9115"; + bank-width = <2>; + + gpmc,mux-add-data; + gpmc,cs-on-ns = <0>; + gpmc,cs-rd-off-ns = <42>; + gpmc,cs-wr-off-ns = <36>; + gpmc,adv-on-ns = <6>; + gpmc,adv-rd-off-ns = <12>; + gpmc,adv-wr-off-ns = <12>; + gpmc,oe-on-ns = <0>; + gpmc,oe-off-ns = <42>; + gpmc,we-on-ns = <0>; + gpmc,we-off-ns = <36>; + gpmc,rd-cycle-ns = <60>; + gpmc,wr-cycle-ns = <54>; + gpmc,access-ns = <36>; + gpmc,page-burst-access-ns = <0>; + gpmc,bus-turnaround-ns = <0>; + gpmc,cycle2cycle-delay-ns = <0>; + gpmc,wr-data-mux-bus-ns = <18>; + gpmc,wr-access-ns = <42>; + gpmc,cycle2cycle-samecsen; + gpmc,cycle2cycle-diffcsen; + vddvario-supply = <&vddvario>; + vdd33a-supply = <&vdd33a>; + reg-io-width = <4>; + smsc,save-mac-address; + + reg = <4 0 0xff>; + interrupt-parent = <&gpio3>; + interrupts = <1 IRQ_TYPE_LEVEL_LOW>; /* GPIO 65 */ + }; +}; + +&lis33de { + status = "disabled"; +}; -- cgit v1.2.3