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Message-ID: <539F1B8E.30503@xsmail.com>
Date: Tue, 17 Jun 2014 00:30:06 +0800
From: Pannirselvam Kanagaratnam <pannir@...ail.com>
To: netdev@...r.kernel.org
Subject: Device Tree Binding for Marvell DSA on P1023RDB
Freescale's QORIQ P1023RDB has an option to populate the Marvell 88E6165
Ethernet switch. We populated this device and were able to initialize it
as a basic switch in U-Boot. However, the switch driver was not loaded
upon kernel bootup. DSA kernel config was enabled for Marvell's 88E6165.
The following patch was applied:
http://patchwork.ozlabs.org/patch/230257/
We are using Freescale's QorIQ-SDK-V1.5-20131219-yocto (3.8-r11.1). The
switch is attached to phy address 0x3 via dtsec2. IRQ3 from the CPU is
also physically connected to the switch (pin #122). My dts file is as
below. Would appreciate any feedback on whether the DSA is structured
correctly in the dts.
The following mdio, mdio_bus and ethernet parameters were captured:
1) For mdio = of_parse_phandle(np, "dsa,mii-bus", 0); I get the following:
np_name: dsa
mdio_name: mdio
mdio_type: <NULL>
mdio_full-name: /soc@...00000/fman@...000/mdio@...20
2) mdio_bus = of_mdio_find_bus(mdio);
mdio_bus_name: Freescale PowerQUICC MII Bus
mdio_bus_id: mdio@...e1120
3) ethernet = of_parse_phandle(np, "dsa,ethernet", 0);
ethernet-name: ethernet
ethernet-type: <NULL>
ethernet-full-name: /soc@...00000/fman@...000/ethernet@...00
4) ethernet_dev = of_find_device_by_node(ethernet);
ethernet_dev-name: ff7e2000.ethernet
ethernet_dev-id: -1
Not sure why ethernet-dev-id is showing -1. Kindly advise. This is the
output log during kernel booutp:
Distributed Switch Architecture driver version 0.1
dsa: probe of dsa.16 failed with error -22
Pannir
/*
* P1023 RDB Device Tree Source
*
* Copyright 2013 Freescale Semiconductor Inc.
*
* Author: Roy Zang <tie-fei.zang@...escale.com>
* Chunhe Lan <Chunhe.Lan@...escale.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer
in the
* documentation and/or other materials provided with the
distribution.
* * Neither the name of Freescale Semiconductor nor the
* names of its contributors may be used to endorse or promote
products
* derived from this software without specific prior written
permission.
*
*
* ALTERNATIVELY, this software may be distributed under the terms of the
* GNU General Public License ("GPL") as published by the Free Software
* Foundation, either version 2 of that License or (at your option) any
* later version.
*
* THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/include/ "fsl/p1023si-pre.dtsi"
/ {
model = "fsl,P1023";
compatible = "fsl,P1023RDB";
#address-cells = <2>;
#size-cells = <2>;
interrupt-parent = <&mpic>;
aliases {
ethernet0 = &enet0;
ethernet1 = &enet1;
};
memory {
device_type = "memory";
};
qportals: qman-portals@...00000 {
ranges = <0x0 0xf 0xff000000 0x200000>;
};
bportals: bman-portals@...00000 {
ranges = <0x0 0xf 0xff200000 0x200000>;
};
soc: soc@...00000 {
ranges = <0x0 0x0 0xff600000 0x200000>;
i2c@...0 {
eeprom@53 {
compatible = "at24,24c04";
reg = <0x53>;
};
rtc@6f {
compatible = "microchip,mcp7941x";
reg = <0x6f>;
};
};
usb@...00 {
dr_mode = "host";
phy_type = "ulpi";
};
fman0: fman@...000 {
enet0: ethernet@...00 {
phy-handle = <&phy0>;
phy-connection-type = "rgmii";
};
mdio0: mdio@...20 {
phy0: ethernet-phy@1 {
reg = <0x01>;
};
tbi0: tbi-phy@8 {
reg = <0x8>;
device_type = "tbi-phy";
};
};
enet1: ethernet@...00 {
fixed-link = <3 1 1000 0 0>;
phy-connection-type = "rgmii-id";
};
};
};
lbc: localbus@...05000 {
reg = <0 0xff605000 0 0x1000>;
/* NOR Flash */
ranges = <0x0 0x0 0x0 0xec000000 0x04000000>;
nor@0,0 {
#address-cells = <1>;
#size-cells = <1>;
compatible = "cfi-flash";
reg = <0x0 0x0 0x04000000>;
bank-width = <2>;
device-width = <1>;
partition@0 {
label = "ramdisk";
reg = <0x00000000 0x03000000>;
};
partition@...0000 {
label = "kernel";
reg = <0x03000000 0x00ee0000>;
};
partiton@...0000 {
label = "dtb";
reg = <0x03ee0000 0x00020000>;
};
partition@...0000 {
label = "firmware";
reg = <0x03f00000 0x00080000>;
read-only;
};
partition@...0000 {
label = "u-boot";
reg = <0x03f80000 0x00080000>;
read-only;
};
};
};
pci0: pcie@...0a000 {
reg = <0 0xff60a000 0 0x1000>;
ranges = <0x2000000 0x0 0xc0000000 0 0xc0000000 0x0 0x20000000
0x1000000 0x0 0x00000000 0 0xffc20000 0x0 0x10000>;
pcie@0 {
/* IRQ[0:3] are pulled up on board, set to active-low */
interrupt-map-mask = <0xf800 0 0 7>;
interrupt-map = <
/* IDSEL 0x0 */
0000 0 0 1 &mpic 0 1 0 0
0000 0 0 2 &mpic 1 1 0 0
0000 0 0 3 &mpic 2 1 0 0
0000 0 0 4 &mpic 3 1 0 0
>;
ranges = <0x2000000 0x0 0xc0000000
0x2000000 0x0 0xc0000000
0x0 0x20000000
0x1000000 0x0 0x0
0x1000000 0x0 0x0
0x0 0x100000>;
};
};
board_pci1: pci1: pcie@...09000 {
reg = <0 0xff609000 0 0x1000>;
ranges = <0x2000000 0x0 0xa0000000 0 0xa0000000 0x0 0x20000000
0x1000000 0x0 0x00000000 0 0xffc10000 0x0 0x10000>;
pcie@0 {
/*
* IRQ[4:6] only for PCIe, set to active-high,
* IRQ[7] is pulled up on board, set to active-low
*/
interrupt-map-mask = <0xf800 0 0 7>;
interrupt-map = <
/* IDSEL 0x0 */
0000 0 0 1 &mpic 4 2 0 0
0000 0 0 2 &mpic 5 2 0 0
0000 0 0 3 &mpic 6 2 0 0
0000 0 0 4 &mpic 7 1 0 0
>;
ranges = <0x2000000 0x0 0xa0000000
0x2000000 0x0 0xa0000000
0x0 0x20000000
0x1000000 0x0 0x0
0x1000000 0x0 0x0
0x0 0x100000>;
};
};
pci2: pcie@...0b000 {
reg = <0 0xff60b000 0 0x1000>;
ranges = <0x2000000 0x0 0x80000000 0 0x80000000 0x0 0x20000000
0x1000000 0x0 0x00000000 0 0xffc00000 0x0 0x10000>;
pcie@0 {
/*
* IRQ[8:10] are pulled up on board, set to active-low
* IRQ[11] only for PCIe, set to active-high,
*/
interrupt-map-mask = <0xf800 0 0 7>;
interrupt-map = <
/* IDSEL 0x0 */
0000 0 0 1 &mpic 8 1 0 0
0000 0 0 2 &mpic 9 1 0 0
0000 0 0 3 &mpic 10 1 0 0
0000 0 0 4 &mpic 11 2 0 0
>;
ranges = <0x2000000 0x0 0x80000000
0x2000000 0x0 0x80000000
0x0 0x20000000
0x1000000 0x0 0x0
0x1000000 0x0 0x0
0x0 0x100000>;
};
};
fsl,dpaa {
compatible = "fsl,p1023-dpaa", "fsl,dpaa";
ethernet@0 {
compatible = "fsl,p1023-dpa-ethernet", "fsl,dpa-ethernet";
fsl,fman-mac = <&enet0>;
};
ethernet@1 {
compatible = "fsl,p1023-dpa-ethernet", "fsl,dpa-ethernet";
fsl,fman-mac = <&enet1>;
};
};
dsa@0 {
compatible = "marvell,dsa";
#address-cells = <2>;
#size-cells = <0>;
interrupt-parent = <&mpic>;
interrupts = <3 1 0 0>;
dsa,ethernet = <&enet1>;
dsa,mii-bus = <&mdio0>;
switch@0 {
#address-cells = <1>;
#size-cells = <0>;
reg = <3 0>; /* MDIO address 3, switch 0 in tree */
port@0 {
reg = <0>;
label = "lan1";
};
port@1 {
reg = <1>;
label = "lan2";
};
port@2 {
reg = <2>;
label = "lan3";
};
port@3 {
reg = <3>;
label = "lan4";
};
port@4 {
reg = <4>;
label = "lan5";
};
port@5 {
reg = <5>;
label = "cpu";
};
};
};
};
/include/ "fsl/p1023si-post.dtsi"
/include/ "fsl/qoriq-dpaa-res2.dtsi"
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