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https://github.com/torvalds/linux
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4aff38a3db
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>
135 lines
3.1 KiB
C
135 lines
3.1 KiB
C
/*
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* Copyright 2012 (C), Michael Walle <michael@walle.cc>
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*
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* arch/arm/mach-kirkwood/board-lsxl.c
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*
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* Buffalo Linkstation LS-XHL and LS-CHLv2 init for drivers not
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* converted to flattened device tree yet.
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*
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* This file is licensed under the terms of the GNU General Public
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* License version 2. This program is licensed "as is" without any
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* warranty of any kind, whether express or implied.
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/mtd/partitions.h>
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#include <linux/ata_platform.h>
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#include <linux/spi/flash.h>
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#include <linux/spi/spi.h>
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#include <linux/mv643xx_eth.h>
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#include <linux/gpio.h>
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#include <linux/gpio-fan.h>
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#include <linux/input.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <mach/kirkwood.h>
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#include "common.h"
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#include "mpp.h"
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static struct mv643xx_eth_platform_data lsxl_ge00_data = {
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.phy_addr = MV643XX_ETH_PHY_ADDR(0),
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};
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static struct mv643xx_eth_platform_data lsxl_ge01_data = {
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.phy_addr = MV643XX_ETH_PHY_ADDR(8),
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};
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static unsigned int lsxl_mpp_config[] __initdata = {
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MPP10_GPO, /* HDD Power Enable */
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MPP11_GPIO, /* USB Vbus Enable */
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MPP18_GPO, /* FAN High Enable# */
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MPP19_GPO, /* FAN Low Enable# */
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MPP36_GPIO, /* Function Blue LED */
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MPP37_GPIO, /* Alarm LED */
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MPP38_GPIO, /* Info LED */
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MPP39_GPIO, /* Power LED */
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MPP40_GPIO, /* Fan Lock */
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MPP41_GPIO, /* Function Button */
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MPP42_GPIO, /* Power Switch */
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MPP43_GPIO, /* Power Auto Switch */
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MPP48_GPIO, /* Function Red LED */
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0
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};
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#define LSXL_GPIO_FAN_HIGH 18
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#define LSXL_GPIO_FAN_LOW 19
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#define LSXL_GPIO_FAN_LOCK 40
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static struct gpio_fan_alarm lsxl_alarm = {
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.gpio = LSXL_GPIO_FAN_LOCK,
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};
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static struct gpio_fan_speed lsxl_speeds[] = {
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{
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.rpm = 0,
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.ctrl_val = 3,
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}, {
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.rpm = 1500,
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.ctrl_val = 1,
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}, {
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.rpm = 3250,
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.ctrl_val = 2,
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}, {
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.rpm = 5000,
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.ctrl_val = 0,
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}
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};
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static int lsxl_gpio_list[] = {
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LSXL_GPIO_FAN_HIGH, LSXL_GPIO_FAN_LOW,
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};
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static struct gpio_fan_platform_data lsxl_fan_data = {
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.num_ctrl = ARRAY_SIZE(lsxl_gpio_list),
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.ctrl = lsxl_gpio_list,
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.alarm = &lsxl_alarm,
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.num_speed = ARRAY_SIZE(lsxl_speeds),
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.speed = lsxl_speeds,
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};
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static struct platform_device lsxl_fan_device = {
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.name = "gpio-fan",
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.id = -1,
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.num_resources = 0,
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.dev = {
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.platform_data = &lsxl_fan_data,
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},
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};
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/*
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* On the LS-XHL/LS-CHLv2, the shutdown process is following:
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* - Userland monitors key events until the power switch goes to off position
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* - The board reboots
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* - U-boot starts and goes into an idle mode waiting for the user
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* to move the switch to ON position
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*
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*/
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static void lsxl_power_off(void)
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{
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kirkwood_restart('h', NULL);
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}
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#define LSXL_GPIO_HDD_POWER 10
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#define LSXL_GPIO_USB_POWER 11
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void __init lsxl_init(void)
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{
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/*
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* Basic setup. Needs to be called early.
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*/
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kirkwood_mpp_conf(lsxl_mpp_config);
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/* usb and sata power on */
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gpio_set_value(LSXL_GPIO_USB_POWER, 1);
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gpio_set_value(LSXL_GPIO_HDD_POWER, 1);
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kirkwood_ehci_init();
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kirkwood_ge00_init(&lsxl_ge00_data);
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kirkwood_ge01_init(&lsxl_ge01_data);
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platform_device_register(&lsxl_fan_device);
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/* register power-off method */
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pm_power_off = lsxl_power_off;
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}
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