ARM: kirkwood: Convert mv88f6281gtw_ge switch setup to DT

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>

diff --git a/arch/arm/boot/dts/kirkwood-mv88f6281gtw-ge.dts b/arch/arm/boot/dts/kirkwood-mv88f6281gtw-ge.dts
index dc86429..2cb0dc5 100644 (file)
--- a/arch/arm/boot/dts/kirkwood-mv88f6281gtw-ge.dts
+++ b/arch/arm/boot/dts/kirkwood-mv88f6281gtw-ge.dts
@@ -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>;
+       };
 };

diff --git a/arch/arm/mach-kirkwood/Kconfig b/arch/arm/mach-kirkwood/Kconfig
index fe8319a..df4b263 100644 (file)
--- a/arch/arm/mach-kirkwood/Kconfig
+++ b/arch/arm/mach-kirkwood/Kconfig
@@ -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

diff --git a/arch/arm/mach-kirkwood/Makefile b/arch/arm/mach-kirkwood/Makefile
index 144b511..dc22bf5 100644 (file)
--- a/arch/arm/mach-kirkwood/Makefile
+++ b/arch/arm/mach-kirkwood/Makefile
@@ -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

diff --git a/arch/arm/mach-kirkwood/board-dt.c b/arch/arm/mach-kirkwood/board-dt.c
index ceffdc8..e74b31a 100644 (file)
--- a/arch/arm/mach-kirkwood/board-dt.c
+++ b/arch/arm/mach-kirkwood/board-dt.c
@@ -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);
 }
 

diff --git a/arch/arm/mach-kirkwood/board-mv88f6281gtw_ge.c b/arch/arm/mach-kirkwood/board-mv88f6281gtw_ge.c
deleted file mode 100644 (file)
index ee5eea6..0000000
--- a/arch/arm/mach-kirkwood/board-mv88f6281gtw_ge.c
+++ /dev/null
@@ -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);
-}

diff --git a/arch/arm/mach-kirkwood/common.h b/arch/arm/mach-kirkwood/common.h
index 1296de9..832a4e2 100644 (file)
--- a/arch/arm/mach-kirkwood/common.h
+++ b/arch/arm/mach-kirkwood/common.h
@@ -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);