1 // SPDX-License-Identifier: GPL-2.0-only
3  * linux/arch/arm/mach-omap2/board-n8x0.c
5  * Copyright (C) 2005-2009 Nokia Corporation
8  * Modified from mach-omap2/board-generic.c
20 #include <linux/spi/spi.h>
22 #include <linux/mmc/host.h>
23 #include <linux/platform_data/spi-omap2-mcspi.h>
24 #include <linux/platform_data/mmc-omap.h>
28 #include <asm/mach-types.h>
31 #include "mmc.h"
32 #include "usb-tusb6010.h"
34 #include "common-board-devices.h"
56 	else if (of_machine_is_compatible("nokia,n810-wimax"))  in board_check_revision()
80 	.dev_id = "musb-tusb",
82 		GPIO_LOOKUP("gpio-0-15", 0, "enable",
84 		GPIO_LOOKUP("gpio-48-63", 10, "int",
129  * On both N800 and N810, only the first of the two MMC controllers is in use.
130  * The two MMC slots are multiplexed via Menelaus companion chip over I2C.
134  * VMMC				slot 1 on both N800 and N810
135  * VDCDC3_APE and VMCS2_APE	slot 2 on N800
136  * GPIO23 and GPIO9		slot 2 EMMC on N810
144 	.dev_id = "mmci-omap.0",
146 		/* Slot switch, GPIO 96 */
147 		GPIO_LOOKUP("gpio-80-111", 16,
154 	.dev_id = "mmci-omap.0",
156 		/* Slot index 1, VSD power, GPIO 23 */
157 		GPIO_LOOKUP_IDX("gpio-16-31", 7,
159 		/* Slot index 1, VIO power, GPIO 9 */
160 		GPIO_LOOKUP_IDX("gpio-0-15", 9,
166 static int n8x0_mmc_set_power_menelaus(struct device *dev, int slot,  in n8x0_mmc_set_power_menelaus()  argument
172 	dev_dbg(dev, "Set slot %d power: %s (vdd %d)\n", slot + 1,  in n8x0_mmc_set_power_menelaus()
175 	if (slot == 0) {  in n8x0_mmc_set_power_menelaus()
235 static int n8x0_mmc_set_power(struct device *dev, int slot, int power_on,  in n8x0_mmc_set_power()  argument
238 	if (board_is_n800() || slot == 0)  in n8x0_mmc_set_power()
239 		return n8x0_mmc_set_power_menelaus(dev, slot, power_on, vdd);  in n8x0_mmc_set_power()
246 static int n8x0_mmc_set_bus_mode(struct device *dev, int slot, int bus_mode)  in n8x0_mmc_set_bus_mode()  argument
250 	dev_dbg(dev, "Set slot %d bus mode %s\n", slot + 1,  in n8x0_mmc_set_bus_mode()
251 		bus_mode == MMC_BUSMODE_OPENDRAIN ? "open-drain" : "push-pull");  in n8x0_mmc_set_bus_mode()
252 	BUG_ON(slot != 0 && slot != 1);  in n8x0_mmc_set_bus_mode()
253 	slot++;  in n8x0_mmc_set_bus_mode()
256 		r = menelaus_set_mmc_opendrain(slot, 1);  in n8x0_mmc_set_bus_mode()
259 		r = menelaus_set_mmc_opendrain(slot, 0);  in n8x0_mmc_set_bus_mode()
265 		dev_err(dev, "MMC: unable to set bus mode for slot %d\n",  in n8x0_mmc_set_bus_mode()
266 			slot);  in n8x0_mmc_set_bus_mode()
270 static int n8x0_mmc_get_cover_state(struct device *dev, int slot)  in n8x0_mmc_get_cover_state()  argument
272 	slot++;  in n8x0_mmc_get_cover_state()
273 	BUG_ON(slot != 1 && slot != 2);  in n8x0_mmc_get_cover_state()
274 	if (slot == 1)  in n8x0_mmc_get_cover_state()
302 	pr_warn("MMC: notify cover event not available\n");  in n8x0_mmc_callback()
349 	/* All slot pin bits seem to be inversed until first switch change */  in n8x0_mmc_late_init()
382  * MMC controller1 has two slots that are multiplexed via I2C.
383  * MMC controller2 is not in use.
424 		 * Some Samsung Movinand chips do not like open-ended  in n8x0_mmc_init()
425 		 * multi-block reads and fall to braind-dead state  in n8x0_mmc_init()
502 	.dev_id = "soc-audio",
504 		GPIO_LOOKUP("gpio-0-15", 10, "headset", GPIO_ACTIVE_HIGH),
505 		GPIO_LOOKUP("gpio-80-111", 21, "speaker", GPIO_ACTIVE_HIGH),
513 		return -ENODEV;  in n8x0_late_initcall()