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ARM: kirkwood: Add LS-XHL and LS-CHLv2 support

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Add support for Buffalo Linkstation LS-XHL and LS-CHLv2 using the device
tree where possible.

Signed-off-by: Michael Walle <michael@walle.cc>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
This commit is contained in:
Michael Walle 2012-07-17 07:25:55 +02:00 committed by Andrew Lunn
parent 5136b2aa62
commit 4aff38a3db
9 changed files with 291 additions and 0 deletions
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20
arch/arm/boot/dts/kirkwood-lschlv2.dts Normal file
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@ -0,0 +1,20 @@
/dts-v1/;
/include/ "kirkwood-lsxl.dtsi"
/ {
model = "Buffalo Linkstation LS-CHLv2";
compatible = "buffalo,lschlv2", "buffalo,lsxl", "mrvl,kirkwood-88f6281", "mrvl,kirkwood";
memory {
device_type = "memory";
reg = <0x00000000 0x4000000>;
};
ocp@f1000000 {
serial@12000 {
clock-frequency = <166666667>;
status = "okay";
};
};
};

20
arch/arm/boot/dts/kirkwood-lsxhl.dts Normal file
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@ -0,0 +1,20 @@
/dts-v1/;
/include/ "kirkwood-lsxl.dtsi"
/ {
model = "Buffalo Linkstation LS-XHL";
compatible = "buffalo,lsxhl", "buffalo,lsxl", "mrvl,kirkwood-88f6281", "mrvl,kirkwood";
memory {
device_type = "memory";
reg = <0x00000000 0x10000000>;
};
ocp@f1000000 {
serial@12000 {
clock-frequency = <200000000>;
status = "okay";
};
};
};

95
arch/arm/boot/dts/kirkwood-lsxl.dtsi Normal file
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@ -0,0 +1,95 @@
/include/ "kirkwood.dtsi"
/ {
chosen {
bootargs = "console=ttyS0,115200n8 earlyprintk";
};
ocp@f1000000 {
sata@80000 {
status = "okay";
nr-ports = <1>;
};
spi@10600 {
status = "okay";
m25p40@0 {
#address-cells = <1>;
#size-cells = <1>;
compatible = "m25p40";
reg = <0>;
spi-max-frequency = <25000000>;
mode = <0>;
partition@0 {
reg = <0x0 0x60000>;
label = "uboot";
read-only;
};
partition@60000 {
reg = <0x60000 0x10000>;
label = "dtb";
read-only;
};
partition@70000 {
reg = <0x70000 0x10000>;
label = "uboot_env";
};
};
};
};
gpio_keys {
compatible = "gpio-keys";
#address-cells = <1>;
#size-cells = <0>;
button@1 {
label = "Function Button";
linux,code = <132>;
gpios = <&gpio1 9 1>;
};
button@2 {
label = "Power-on Switch";
linux,code = <116>;
gpios = <&gpio1 10 1>;
};
button@3 {
label = "Power-auto Switch";
linux,code = <142>;
gpios = <&gpio1 11 1>;
};
};
gpio_leds {
compatible = "gpio-leds";
led@1 {
label = "lschlv2:blue:func";
gpios = <&gpio1 4 1>;
};
led@2 {
label = "lschlv2:red:alarm";
gpios = <&gpio1 5 1>;
};
led@3 {
label = "lschlv2:amber:info";
gpios = <&gpio1 6 1>;
};
led@4 {
label = "lschlv2:blue:power";
gpios = <&gpio1 7 1>;
linux,default-trigger = "default-on";
};
led@5 {
label = "lschlv2:red:func";
gpios = <&gpio1 16 1>;
};
};
};

8
arch/arm/mach-kirkwood/Kconfig
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@ -101,6 +101,14 @@ config MACH_GOFLEXNET_DT
Say 'Y' here if you want your kernel to support the
Seagate GoFlex Net (Flattened Device Tree).
config MACH_LSXL_DT
bool "Buffalo Linkstation LS-XHL, LS-CHLv2 (Flattened Device Tree)"
select ARCH_KIRKWOOD_DT
help
Say 'Y' here if you want your kernel to support the
Buffalo Linkstation LS-XHL & LS-CHLv2 devices, using
Flattened Device Tree.
config MACH_TS219
bool "QNAP TS-110, TS-119, TS-119P+, TS-210, TS-219, TS-219P and TS-219P+ Turbo NAS"
help

1
arch/arm/mach-kirkwood/Makefile
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@ -27,3 +27,4 @@ obj-$(CONFIG_MACH_DLINK_KIRKWOOD_DT) += board-dnskw.o
obj-$(CONFIG_MACH_IB62X0_DT) += board-ib62x0.o
obj-$(CONFIG_MACH_TS219_DT) += board-ts219.o tsx1x-common.o
obj-$(CONFIG_MACH_GOFLEXNET_DT) += board-goflexnet.o
obj-$(CONFIG_MACH_LSXL_DT) += board-lsxl.o

2
arch/arm/mach-kirkwood/Makefile.boot
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@ -9,3 +9,5 @@ dtb-$(CONFIG_MACH_ICONNECT_DT) += kirkwood-iconnect.dtb
dtb-$(CONFIG_MACH_IB62X0_DT) += kirkwood-ib62x0.dtb
dtb-$(CONFIG_MACH_TS219_DT) += kirkwood-qnap-ts219.dtb
dtb-$(CONFIG_MACH_GOFLEXNET_DT) += kirkwood-goflexnet.dtb
dbt-$(CONFIG_MACH_LSXL_DT) += kirkwood-lschlv2.dtb
dbt-$(CONFIG_MACH_LSXL_DT) += kirkwood-lsxhl.dtb

4
arch/arm/mach-kirkwood/board-dt.c
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@ -84,6 +84,9 @@ static void __init kirkwood_dt_init(void)
if (of_machine_is_compatible("seagate,goflexnet"))
goflexnet_init();
if (of_machine_is_compatible("buffalo,lsxl"))
lsxl_init();
of_platform_populate(NULL, kirkwood_dt_match_table,
kirkwood_auxdata_lookup, NULL);
}
@ -96,6 +99,7 @@ static const char *kirkwood_dt_board_compat[] = {
"raidsonic,ib-nas62x0",
"qnap,ts219",
"seagate,goflexnet",
"buffalo,lsxl",
NULL
};

135
arch/arm/mach-kirkwood/board-lsxl.c Normal file
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@ -0,0 +1,135 @@
/*
* Copyright 2012 (C), Michael Walle <michael@walle.cc>
*
* arch/arm/mach-kirkwood/board-lsxl.c
*
* Buffalo Linkstation LS-XHL and LS-CHLv2 init for drivers not
* converted to flattened device tree yet.
*
* 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/mtd/partitions.h>
#include <linux/ata_platform.h>
#include <linux/spi/flash.h>
#include <linux/spi/spi.h>
#include <linux/mv643xx_eth.h>
#include <linux/gpio.h>
#include <linux/gpio-fan.h>
#include <linux/input.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <mach/kirkwood.h>
#include "common.h"
#include "mpp.h"
static struct mv643xx_eth_platform_data lsxl_ge00_data = {
.phy_addr = MV643XX_ETH_PHY_ADDR(0),
};
static struct mv643xx_eth_platform_data lsxl_ge01_data = {
.phy_addr = MV643XX_ETH_PHY_ADDR(8),
};
static unsigned int lsxl_mpp_config[] __initdata = {
MPP10_GPO, /* HDD Power Enable */
MPP11_GPIO, /* USB Vbus Enable */
MPP18_GPO, /* FAN High Enable# */
MPP19_GPO, /* FAN Low Enable# */
MPP36_GPIO, /* Function Blue LED */
MPP37_GPIO, /* Alarm LED */
MPP38_GPIO, /* Info LED */
MPP39_GPIO, /* Power LED */
MPP40_GPIO, /* Fan Lock */
MPP41_GPIO, /* Function Button */
MPP42_GPIO, /* Power Switch */
MPP43_GPIO, /* Power Auto Switch */
MPP48_GPIO, /* Function Red LED */
0
};
#define LSXL_GPIO_FAN_HIGH 18
#define LSXL_GPIO_FAN_LOW 19
#define LSXL_GPIO_FAN_LOCK 40
static struct gpio_fan_alarm lsxl_alarm = {
.gpio = LSXL_GPIO_FAN_LOCK,
};
static struct gpio_fan_speed lsxl_speeds[] = {
{
.rpm = 0,
.ctrl_val = 3,
}, {
.rpm = 1500,
.ctrl_val = 1,
}, {
.rpm = 3250,
.ctrl_val = 2,
}, {
.rpm = 5000,
.ctrl_val = 0,
}
};
static int lsxl_gpio_list[] = {
LSXL_GPIO_FAN_HIGH, LSXL_GPIO_FAN_LOW,
};
static struct gpio_fan_platform_data lsxl_fan_data = {
.num_ctrl = ARRAY_SIZE(lsxl_gpio_list),
.ctrl = lsxl_gpio_list,
.alarm = &lsxl_alarm,
.num_speed = ARRAY_SIZE(lsxl_speeds),
.speed = lsxl_speeds,
};
static struct platform_device lsxl_fan_device = {
.name = "gpio-fan",
.id = -1,
.num_resources = 0,
.dev = {
.platform_data = &lsxl_fan_data,
},
};
/*
* On the LS-XHL/LS-CHLv2, the shutdown process is following:
* - Userland monitors key events until the power switch goes to off position
* - The board reboots
* - U-boot starts and goes into an idle mode waiting for the user
* to move the switch to ON position
*
*/
static void lsxl_power_off(void)
{
kirkwood_restart('h', NULL);
}
#define LSXL_GPIO_HDD_POWER 10
#define LSXL_GPIO_USB_POWER 11
void __init lsxl_init(void)
{
/*
* Basic setup. Needs to be called early.
*/
kirkwood_mpp_conf(lsxl_mpp_config);
/* usb and sata power on */
gpio_set_value(LSXL_GPIO_USB_POWER, 1);
gpio_set_value(LSXL_GPIO_HDD_POWER, 1);
kirkwood_ehci_init();
kirkwood_ge00_init(&lsxl_ge00_data);
kirkwood_ge01_init(&lsxl_ge01_data);
platform_device_register(&lsxl_fan_device);
/* register power-off method */
pm_power_off = lsxl_power_off;
}

6
arch/arm/mach-kirkwood/common.h
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@ -88,6 +88,12 @@ void goflexnet_init(void);
static inline void goflexnet_init(void) {};
#endif
#ifdef CONFIG_MACH_LSXL_DT
void lsxl_init(void);
#else
static inline void lsxl_init(void) {};
#endif
/* early init functions not converted to fdt yet */
char *kirkwood_id(void);
void kirkwood_l2_init(void);