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ARM: kirkwood: Convert mv88f6281gtw_ge switch setup to DT

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The mv88f6281gtw_ge has a ethernet switch connected to the ethernet
port of the SoC. Convert the platform device instantiation to a DT
instantiation.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Tested-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Cc: florian@openwrt.org
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
This commit is contained in:
Andrew Lunn 2014-02-22 20:14:45 +01:00 committed by Jason Cooper
parent c3b6144acb
commit e7c8f3808b
6 changed files with 62 additions and 68 deletions
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62
arch/arm/boot/dts/kirkwood-mv88f6281gtw-ge.dts
View file

@ -122,4 +122,66 @@
gpios = <&gpio1 14 GPIO_ACTIVE_LOW>;
};
};
dsa@0 {
compatible = "marvell,dsa";
#address-cells = <2>;
#size-cells = <0>;
dsa,ethernet = <&eth0>;
dsa,mii-bus = <&ethphy0>;
switch@0 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0 0>; /* MDIO address 0, 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 = "wan";
};
port@5 {
reg = <5>;
label = "cpu";
};
};
};
};
&mdio {
status = "okay";
ethphy0: ethernet-phy@ff {
reg = <0xff>; /* No phy attached */
speed = <1000>;
duplex = <1>;
};
};
&eth0 {
status = "okay";
ethernet0-port@0 {
phy-handle = <&ethphy0>;
};
};

7
arch/arm/mach-kirkwood/Kconfig
View file

@ -106,13 +106,6 @@ config ARCH_KIRKWOOD_DT
Say 'Y' here if you want your kernel to support the
Marvell Kirkwood using flattened device tree.
config MACH_MV88F6281GTW_GE_DT
bool "Marvell 88F6281 GTW GE Board (Flattened Device Tree)"
depends on ARCH_KIRKWOOD_DT
help
Say 'Y' here if you want your kernel to support the
Marvell 88F6281 GTW GE Board (Flattened Device Tree).
endmenu
endif

1
arch/arm/mach-kirkwood/Makefile
View file

@ -13,4 +13,3 @@ obj-$(CONFIG_MACH_TS219) += ts219-setup.o tsx1x-common.o
obj-$(CONFIG_MACH_TS41X) += ts41x-setup.o tsx1x-common.o
obj-$(CONFIG_ARCH_KIRKWOOD_DT) += board-dt.o
obj-$(CONFIG_MACH_MV88F6281GTW_GE_DT) += board-mv88f6281gtw_ge.o

3
arch/arm/mach-kirkwood/board-dt.c
View file

@ -131,9 +131,6 @@ static void __init kirkwood_dt_init(void)
kexec_reinit = kirkwood_enable_pcie;
#endif
if (of_machine_is_compatible("marvell,mv88f6281gtw-ge"))
mv88f6281gtw_ge_init();
of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
}

50
arch/arm/mach-kirkwood/board-mv88f6281gtw_ge.c
View file

@ -1,50 +0,0 @@
/*
* arch/arm/mach-kirkwood/board-mv88f6281gtw_ge.c
*
* Marvell 88F6281 GTW GE Board Setup
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/irq.h>
#include <linux/timer.h>
#include <linux/mv643xx_eth.h>
#include <linux/ethtool.h>
#include <linux/gpio.h>
#include <net/dsa.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/pci.h>
#include <mach/kirkwood.h>
#include "common.h"
static struct mv643xx_eth_platform_data mv88f6281gtw_ge_ge00_data = {
.phy_addr = MV643XX_ETH_PHY_NONE,
.speed = SPEED_1000,
.duplex = DUPLEX_FULL,
};
static struct dsa_chip_data mv88f6281gtw_ge_switch_chip_data = {
.port_names[0] = "lan1",
.port_names[1] = "lan2",
.port_names[2] = "lan3",
.port_names[3] = "lan4",
.port_names[4] = "wan",
.port_names[5] = "cpu",
};
static struct dsa_platform_data mv88f6281gtw_ge_switch_plat_data = {
.nr_chips = 1,
.chip = &mv88f6281gtw_ge_switch_chip_data,
};
void __init mv88f6281gtw_ge_init(void)
{
kirkwood_ge00_init(&mv88f6281gtw_ge_ge00_data);
kirkwood_ge00_switch_init(&mv88f6281gtw_ge_switch_plat_data, NO_IRQ);
}

7
arch/arm/mach-kirkwood/common.h
View file

@ -58,13 +58,6 @@ void kirkwood_cpufreq_init(void);
void kirkwood_restart(enum reboot_mode, const char *);
void kirkwood_clk_init(void);
/* board init functions for boards not fully converted to fdt */
#ifdef CONFIG_MACH_MV88F6281GTW_GE_DT
void mv88f6281gtw_ge_init(void);
#else
static inline void mv88f6281gtw_ge_init(void) {};
#endif
/* early init functions not converted to fdt yet */
char *kirkwood_id(void);
void kirkwood_l2_init(void);