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Commit e55e48ff authored by Wolfram Sang's avatar Wolfram Sang Committed by Sascha Hauer
Browse files

arm: mxs: mx28evk: add fixed regulators for audio 



Add these fixed regulators to enable basic audio-support until full regulator
support is done.

Signed-off-by: default avatarWolfram Sang <w.sang@pengutronix.de>
parent b00d533e

arch/arm/mach-mxs/mach-mx28evk.c

+42 −0
Original line number Diff line number Diff line
@@ -19,6 +19,8 @@ 
#include <linux/irq.h>

#include <linux/clk.h>

#include <linux/i2c.h>

#include <linux/regulator/machine.h>

#include <linux/regulator/fixed.h>



#include <asm/mach-types.h>

#include <asm/mach/arch.h>
@@ -377,6 +379,44 @@ static struct i2c_board_info mxs_i2c0_board_info[] __initdata = { 
	},

};



#if defined(CONFIG_REGULATOR_FIXED_VOLTAGE) || defined(CONFIG_REGULATOR_FIXED_VOLTAGE_MODULE)

static struct regulator_consumer_supply mx28evk_audio_consumer_supplies[] = {

	REGULATOR_SUPPLY("VDDA", "0-000a"),

	REGULATOR_SUPPLY("VDDIO", "0-000a"),

};



static struct regulator_init_data mx28evk_vdd_reg_init_data = {

	.constraints	= {

		.name	= "3V3",

		.always_on = 1,

	},

	.consumer_supplies = mx28evk_audio_consumer_supplies,

	.num_consumer_supplies = ARRAY_SIZE(mx28evk_audio_consumer_supplies),

};



static struct fixed_voltage_config mx28evk_vdd_pdata = {

	.supply_name	= "board-3V3",

	.microvolts	= 3300000,

	.gpio		= -EINVAL,

	.enabled_at_boot = 1,

	.init_data	= &mx28evk_vdd_reg_init_data,

};

static struct platform_device mx28evk_voltage_regulator = {

	.name		= "reg-fixed-voltage",

	.id		= -1,

	.num_resources	= 0,

	.dev		= {

		.platform_data	= &mx28evk_vdd_pdata,

	},

};

static void __init mx28evk_add_regulators(void)

{

	platform_device_register(&mx28evk_voltage_regulator);

}

#else

static void __init mx28evk_add_regulators(void) {}

#endif



static void __init mx28evk_init(void)

{

	int ret;
@@ -424,6 +464,8 @@ static void __init mx28evk_init(void) 
	i2c_register_board_info(0, mxs_i2c0_board_info,

				ARRAY_SIZE(mxs_i2c0_board_info));



	mx28evk_add_regulators();



	mxs_add_platform_device("mxs-sgtl5000", 0, NULL, 0,

			NULL, 0);