CoCalc -- mv2120-setup.c

GitHub Repository: torvalds/linux
Path: blob/master/arch/arm/mach-orion5x/mv2120-setup.c
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/*
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 * Copyright (C) 2007 Herbert Valerio Riedel <[email protected]>
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 * Copyright (C) 2008 Martin Michlmayr <[email protected]>
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU Lesser General Public License as
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 * published by the Free Software Foundation; either version 2 of the
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 * License, or (at your option) any later version.
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 */
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#include <linux/gpio.h>
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#include <linux/gpio/machine.h>
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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/irq.h>
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#include <linux/mtd/physmap.h>
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#include <linux/mv643xx_eth.h>
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#include <linux/leds.h>
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#include <linux/gpio_keys.h>
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#include <linux/input.h>
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#include <linux/i2c.h>
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#include <linux/ata_platform.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include "common.h"
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#include "mpp.h"
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#include "orion5x.h"
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#define MV2120_NOR_BOOT_BASE	0xf4000000
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#define MV2120_NOR_BOOT_SIZE	SZ_512K
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#define MV2120_GPIO_RTC_IRQ	3
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#define MV2120_GPIO_KEY_RESET	17
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#define MV2120_GPIO_KEY_POWER	18
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#define MV2120_GPIO_POWER_OFF	19
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/*****************************************************************************
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 * Ethernet
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 ****************************************************************************/
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static struct mv643xx_eth_platform_data mv2120_eth_data = {
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	.phy_addr	= MV643XX_ETH_PHY_ADDR(8),
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};
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static struct mv_sata_platform_data mv2120_sata_data = {
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	.n_ports	= 2,
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};
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static struct mtd_partition mv2120_partitions[] = {
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	{
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		.name	= "firmware",
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		.size	= 0x00080000,
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		.offset	= 0,
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	},
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};
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static struct physmap_flash_data mv2120_nor_flash_data = {
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	.width		= 1,
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	.parts		= mv2120_partitions,
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	.nr_parts	= ARRAY_SIZE(mv2120_partitions)
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};
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static struct resource mv2120_nor_flash_resource = {
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	.flags		= IORESOURCE_MEM,
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	.start		= MV2120_NOR_BOOT_BASE,
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	.end		= MV2120_NOR_BOOT_BASE + MV2120_NOR_BOOT_SIZE - 1,
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};
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static struct platform_device mv2120_nor_flash = {
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	.name		= "physmap-flash",
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	.id		= 0,
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	.dev		= {
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		.platform_data	= &mv2120_nor_flash_data,
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	},
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	.resource	= &mv2120_nor_flash_resource,
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	.num_resources	= 1,
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};
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static struct gpio_keys_button mv2120_buttons[] = {
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	{
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		.code		= KEY_RESTART,
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		.gpio		= MV2120_GPIO_KEY_RESET,
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		.desc		= "reset",
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		.active_low	= 1,
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	}, {
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		.code		= KEY_POWER,
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		.gpio		= MV2120_GPIO_KEY_POWER,
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		.desc		= "power",
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		.active_low	= 1,
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	},
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};
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static struct gpio_keys_platform_data mv2120_button_data = {
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	.buttons	= mv2120_buttons,
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	.nbuttons	= ARRAY_SIZE(mv2120_buttons),
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};
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static struct platform_device mv2120_button_device = {
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	.name		= "gpio-keys",
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	.id		= -1,
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	.num_resources	= 0,
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	.dev		= {
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		.platform_data	= &mv2120_button_data,
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	},
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};
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/****************************************************************************
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 * General Setup
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 ****************************************************************************/
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static unsigned int mv2120_mpp_modes[] __initdata = {
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	MPP0_GPIO,		/* Sys status LED */
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	MPP1_GPIO,		/* Sys error LED */
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	MPP2_GPIO,		/* OverTemp interrupt */
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	MPP3_GPIO,		/* RTC interrupt */
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	MPP4_GPIO,		/* V_LED 5V */
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	MPP5_GPIO,		/* V_LED 3.3V */
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	MPP6_UNUSED,
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	MPP7_UNUSED,
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	MPP8_GPIO,		/* SATA 0 fail LED */
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	MPP9_GPIO,		/* SATA 1 fail LED */
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	MPP10_UNUSED,
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	MPP11_UNUSED,
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	MPP12_SATA_LED,		/* SATA 0 presence */
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	MPP13_SATA_LED,		/* SATA 1 presence */
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	MPP14_SATA_LED,		/* SATA 0 active */
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	MPP15_SATA_LED,		/* SATA 1 active */
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	MPP16_UNUSED,
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	MPP17_GPIO,		/* Reset button */
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	MPP18_GPIO,		/* Power button */
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	MPP19_GPIO,		/* Power off */
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	0,
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};
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static struct i2c_board_info __initdata mv2120_i2c_rtc = {
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	I2C_BOARD_INFO("pcf8563", 0x51),
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	.irq	= 0,
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};
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static struct gpio_led mv2120_led_pins[] = {
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	{
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		.name			= "mv2120:blue:health",
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	},
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	{
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		.name			= "mv2120:red:health",
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	},
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	{
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		.name			= "mv2120:led:bright",
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		.default_trigger	= "default-on",
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	},
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	{
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		.name			= "mv2120:led:dimmed",
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	},
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	{
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		.name			= "mv2120:red:sata0",
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	},
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	{
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		.name			= "mv2120:red:sata1",
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	},
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};
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static struct gpiod_lookup_table mv2120_leds_gpio_table = {
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	.dev_id = "leds-gpio",
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	.table = {
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		GPIO_LOOKUP_IDX("orion_gpio0", 0, NULL,
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				0, GPIO_ACTIVE_HIGH),
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		GPIO_LOOKUP_IDX("orion_gpio0", 1, NULL,
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				1, GPIO_ACTIVE_HIGH),
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		GPIO_LOOKUP_IDX("orion_gpio0", 4, NULL,
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				2, GPIO_ACTIVE_HIGH),
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		GPIO_LOOKUP_IDX("orion_gpio0", 5, NULL,
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				3, GPIO_ACTIVE_HIGH),
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		GPIO_LOOKUP_IDX("orion_gpio0", 8, NULL,
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				4, GPIO_ACTIVE_LOW),
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		GPIO_LOOKUP_IDX("orion_gpio0", 9, NULL,
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				5, GPIO_ACTIVE_LOW),
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		{ },
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	},
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};
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static struct gpio_led_platform_data mv2120_led_data = {
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	.leds		= mv2120_led_pins,
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	.num_leds	= ARRAY_SIZE(mv2120_led_pins),
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};
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static struct platform_device mv2120_leds = {
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	.name	= "leds-gpio",
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	.id	= -1,
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	.dev	= {
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		.platform_data	= &mv2120_led_data,
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	}
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};
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static void mv2120_power_off(void)
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{
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	pr_info("%s: triggering power-off...\n", __func__);
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	gpio_set_value(MV2120_GPIO_POWER_OFF, 0);
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}
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static void __init mv2120_init(void)
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{
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	/* Setup basic Orion functions. Need to be called early. */
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	orion5x_init();
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	orion5x_mpp_conf(mv2120_mpp_modes);
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	/*
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	 * Configure peripherals.
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	 */
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	orion5x_ehci0_init();
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	orion5x_ehci1_init();
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	orion5x_eth_init(&mv2120_eth_data);
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	orion5x_i2c_init();
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	orion5x_sata_init(&mv2120_sata_data);
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	orion5x_uart0_init();
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	orion5x_xor_init();
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	mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET,
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				    ORION_MBUS_DEVBUS_BOOT_ATTR,
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				    MV2120_NOR_BOOT_BASE,
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				    MV2120_NOR_BOOT_SIZE);
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	platform_device_register(&mv2120_nor_flash);
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	platform_device_register(&mv2120_button_device);
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	if (gpio_request(MV2120_GPIO_RTC_IRQ, "rtc") == 0) {
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		if (gpio_direction_input(MV2120_GPIO_RTC_IRQ) == 0)
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			mv2120_i2c_rtc.irq = gpio_to_irq(MV2120_GPIO_RTC_IRQ);
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		else
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			gpio_free(MV2120_GPIO_RTC_IRQ);
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	}
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	i2c_register_board_info(0, &mv2120_i2c_rtc, 1);
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	gpiod_add_lookup_table(&mv2120_leds_gpio_table);
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	platform_device_register(&mv2120_leds);
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	/* register mv2120 specific power-off method */
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	if (gpio_request(MV2120_GPIO_POWER_OFF, "POWEROFF") != 0 ||
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	    gpio_direction_output(MV2120_GPIO_POWER_OFF, 1) != 0)
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		pr_err("mv2120: failed to setup power-off GPIO\n");
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	register_platform_power_off(mv2120_power_off);
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}
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/* Warning: HP uses a wrong mach-type (=526) in their bootloader */
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MACHINE_START(MV2120, "HP Media Vault mv2120")
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	/* Maintainer: Martin Michlmayr <[email protected]> */
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	.atag_offset	= 0x100,
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	.nr_irqs	= ORION5X_NR_IRQS,
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	.init_machine	= mv2120_init,
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	.map_io		= orion5x_map_io,
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	.init_early	= orion5x_init_early,
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	.init_irq	= orion5x_init_irq,
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	.init_time	= orion5x_timer_init,
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	.fixup		= tag_fixup_mem32,
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	.restart	= orion5x_restart,
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MACHINE_END
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