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Commit e4b0b2cb authored by Matt Porter's avatar Matt Porter Committed by Tony Lindgren
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ARM: OMAP2+: gpmc-smsc911x: add required smsc911x regulators 



This fixes smsc911x support on platforms using gpmc_smsc911x_init().

Commit c7e963f6 (net/smsc911x: Add regulator support) added
the requirement that platforms provide vdd33a and vddvario supplies.

Signed-off-by: default avatarMatt Porter <mporter@ti.com>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent 2226957e

arch/arm/mach-omap2/gpmc-smsc911x.c

+52 −0
Original line number Diff line number Diff line
@@ -19,6 +19,8 @@ 
#include <linux/interrupt.h>

#include <linux/io.h>

#include <linux/smsc911x.h>

#include <linux/regulator/fixed.h>

#include <linux/regulator/machine.h>



#include <plat/board.h>

#include <plat/gpmc.h>
@@ -42,6 +44,50 @@ static struct smsc911x_platform_config gpmc_smsc911x_config = { 
	.flags		= SMSC911X_USE_16BIT,

};



static struct regulator_consumer_supply gpmc_smsc911x_supply[] = {

	REGULATOR_SUPPLY("vddvario", "smsc911x.0"),

	REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),

};



/* Generic regulator definition to satisfy smsc911x */

static struct regulator_init_data gpmc_smsc911x_reg_init_data = {

	.constraints = {

		.min_uV			= 3300000,

		.max_uV			= 3300000,

		.valid_modes_mask	= REGULATOR_MODE_NORMAL

					| REGULATOR_MODE_STANDBY,

		.valid_ops_mask		= REGULATOR_CHANGE_MODE

					| REGULATOR_CHANGE_STATUS,

	},

	.num_consumer_supplies	= ARRAY_SIZE(gpmc_smsc911x_supply),

	.consumer_supplies	= gpmc_smsc911x_supply,

};



static struct fixed_voltage_config gpmc_smsc911x_fixed_reg_data = {

	.supply_name		= "gpmc_smsc911x",

	.microvolts		= 3300000,

	.gpio			= -EINVAL,

	.startup_delay		= 0,

	.enable_high		= 0,

	.enabled_at_boot	= 1,

	.init_data		= &gpmc_smsc911x_reg_init_data,

};



/*

 * Platform device id of 42 is a temporary fix to avoid conflicts

 * with other reg-fixed-voltage devices. The real fix should

 * involve the driver core providing a way of dynamically

 * assigning a unique id on registration for platform devices

 * in the same name space.

 */

static struct platform_device gpmc_smsc911x_regulator = {

	.name		= "reg-fixed-voltage",

	.id		= 42,

	.dev = {

		.platform_data	= &gpmc_smsc911x_fixed_reg_data,

	},

};



/*

 * Initialize smsc911x device connected to the GPMC. Note that we

 * assume that pin multiplexing is done in the board-*.c file,
@@ -55,6 +101,12 @@ void __init gpmc_smsc911x_init(struct omap_smsc911x_platform_data *board_data) 


	gpmc_cfg = board_data;



	ret = platform_device_register(&gpmc_smsc911x_regulator);

	if (ret < 0) {

		pr_err("Unable to register smsc911x regulators: %d\n", ret);

		return;

	}



	if (gpmc_cs_request(gpmc_cfg->cs, SZ_16M, &cs_mem_base) < 0) {

		pr_err("Failed to request GPMC mem region\n");

		return;