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ARM: OMAP2+: gpmc-smsc911x: add required smsc911x regulators

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This fixes smsc911x support on platforms using gpmc_smsc911x_init().

Commit c7e963f688 (net/smsc911x: Add regulator support) added
the requirement that platforms provide vdd33a and vddvario supplies.

Signed-off-by: Matt Porter <mporter@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Matt Porter 2012-02-23 09:16:04 -05:00 committed by Tony Lindgren
parent 2226957ed2
commit e4b0b2cbbb
1 changed files with 52 additions and 0 deletions
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52
arch/arm/mach-omap2/gpmc-smsc911x.c
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@ -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;