Commit 0f8b7137 authored by Olof Johansson's avatar Olof Johansson
Browse files

Merge tag 'omap-pm-regulator-for-v3.5' of... 

Merge tag 'omap-pm-regulator-for-v3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/pm

Add support for vdd1 and vdd2 regulators and make voltage code to use them

By Tero Kristo (4) and Kevin Hilman (1)
via Kevin Hilman (3) and Tony Lindgren (1)
* tag 'omap-pm-regulator-for-v3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP2+: voltage: ensure voltage used is exact voltage from OPP table
  arm: omap4: add common twl configurations for vdd1, vdd2 and vdd3
  arm: omap3: twl: add external controllers for core voltage regulators
  arm: omap3: add common twl configurations for vdd1 and vdd2
  arm: omap3: voltage: fix channel configuration
parents 69964ea4 a8822e2d

arch/arm/mach-omap2/twl-common.c

+147 −0
Original line number Diff line number Diff line
@@ -31,6 +31,7 @@ 


#include "twl-common.h"

#include "pm.h"

#include "voltage.h"



static struct i2c_board_info __initdata pmic_i2c_board_info = {

	.addr		= 0x48,
@@ -47,6 +48,18 @@ static struct i2c_board_info __initdata omap4_i2c1_board_info[] = { 
	},

};



static int twl_set_voltage(void *data, int target_uV)

{

	struct voltagedomain *voltdm = (struct voltagedomain *)data;

	return voltdm_scale(voltdm, target_uV);

}



static int twl_get_voltage(void *data)

{

	struct voltagedomain *voltdm = (struct voltagedomain *)data;

	return voltdm_get_voltage(voltdm);

}



void __init omap_pmic_init(int bus, u32 clkrate,

			   const char *pmic_type, int pmic_irq,

			   struct twl4030_platform_data *pmic_data)
@@ -153,6 +166,48 @@ static struct regulator_init_data omap3_vpll2_idata = { 
	.consumer_supplies		= omap3_vpll2_supplies,

};



static struct regulator_consumer_supply omap3_vdd1_supply[] = {

	REGULATOR_SUPPLY("vcc", "mpu.0"),

};



static struct regulator_consumer_supply omap3_vdd2_supply[] = {

	REGULATOR_SUPPLY("vcc", "l3_main.0"),

};



static struct regulator_init_data omap3_vdd1 = {

	.constraints = {

		.name			= "vdd_mpu_iva",

		.min_uV			= 600000,

		.max_uV			= 1450000,

		.valid_modes_mask	= REGULATOR_MODE_NORMAL,

		.valid_ops_mask		= REGULATOR_CHANGE_VOLTAGE,

	},

	.num_consumer_supplies		= ARRAY_SIZE(omap3_vdd1_supply),

	.consumer_supplies		= omap3_vdd1_supply,

};



static struct regulator_init_data omap3_vdd2 = {

	.constraints = {

		.name			= "vdd_core",

		.min_uV			= 600000,

		.max_uV			= 1450000,

		.valid_modes_mask	= REGULATOR_MODE_NORMAL,

		.valid_ops_mask		= REGULATOR_CHANGE_VOLTAGE,

	},

	.num_consumer_supplies		= ARRAY_SIZE(omap3_vdd2_supply),

	.consumer_supplies		= omap3_vdd2_supply,

};



static struct twl_regulator_driver_data omap3_vdd1_drvdata = {

	.get_voltage = twl_get_voltage,

	.set_voltage = twl_set_voltage,

};



static struct twl_regulator_driver_data omap3_vdd2_drvdata = {

	.get_voltage = twl_get_voltage,

	.set_voltage = twl_set_voltage,

};



void __init omap3_pmic_get_config(struct twl4030_platform_data *pmic_data,

				  u32 pdata_flags, u32 regulators_flags)

{
@@ -160,6 +215,16 @@ void __init omap3_pmic_get_config(struct twl4030_platform_data *pmic_data, 
		pmic_data->irq_base = TWL4030_IRQ_BASE;

	if (!pmic_data->irq_end)

		pmic_data->irq_end = TWL4030_IRQ_END;

	if (!pmic_data->vdd1) {

		omap3_vdd1.driver_data = &omap3_vdd1_drvdata;

		omap3_vdd1_drvdata.data = voltdm_lookup("mpu_iva");

		pmic_data->vdd1 = &omap3_vdd1;

	}

	if (!pmic_data->vdd2) {

		omap3_vdd2.driver_data = &omap3_vdd2_drvdata;

		omap3_vdd2_drvdata.data = voltdm_lookup("core");

		pmic_data->vdd2 = &omap3_vdd2;

	}



	/* Common platform data configurations */

	if (pdata_flags & TWL_COMMON_PDATA_USB && !pmic_data->usb)
@@ -310,6 +375,70 @@ static struct regulator_init_data omap4_clk32kg_idata = { 
	},

};



static struct regulator_consumer_supply omap4_vdd1_supply[] = {

	REGULATOR_SUPPLY("vcc", "mpu.0"),

};



static struct regulator_consumer_supply omap4_vdd2_supply[] = {

	REGULATOR_SUPPLY("vcc", "iva.0"),

};



static struct regulator_consumer_supply omap4_vdd3_supply[] = {

	REGULATOR_SUPPLY("vcc", "l3_main.0"),

};



static struct regulator_init_data omap4_vdd1 = {

	.constraints = {

		.name			= "vdd_mpu",

		.min_uV			= 500000,

		.max_uV			= 1500000,

		.valid_modes_mask	= REGULATOR_MODE_NORMAL,

		.valid_ops_mask		= REGULATOR_CHANGE_VOLTAGE,

	},

	.num_consumer_supplies		= ARRAY_SIZE(omap4_vdd1_supply),

	.consumer_supplies		= omap4_vdd1_supply,

};



static struct regulator_init_data omap4_vdd2 = {

	.constraints = {

		.name			= "vdd_iva",

		.min_uV			= 500000,

		.max_uV			= 1500000,

		.valid_modes_mask	= REGULATOR_MODE_NORMAL,

		.valid_ops_mask		= REGULATOR_CHANGE_VOLTAGE,

	},

	.num_consumer_supplies		= ARRAY_SIZE(omap4_vdd2_supply),

	.consumer_supplies		= omap4_vdd2_supply,

};



static struct regulator_init_data omap4_vdd3 = {

	.constraints = {

		.name			= "vdd_core",

		.min_uV			= 500000,

		.max_uV			= 1500000,

		.valid_modes_mask	= REGULATOR_MODE_NORMAL,

		.valid_ops_mask		= REGULATOR_CHANGE_VOLTAGE,

	},

	.num_consumer_supplies		= ARRAY_SIZE(omap4_vdd3_supply),

	.consumer_supplies		= omap4_vdd3_supply,

};





static struct twl_regulator_driver_data omap4_vdd1_drvdata = {

	.get_voltage = twl_get_voltage,

	.set_voltage = twl_set_voltage,

};



static struct twl_regulator_driver_data omap4_vdd2_drvdata = {

	.get_voltage = twl_get_voltage,

	.set_voltage = twl_set_voltage,

};



static struct twl_regulator_driver_data omap4_vdd3_drvdata = {

	.get_voltage = twl_get_voltage,

	.set_voltage = twl_set_voltage,

};



void __init omap4_pmic_get_config(struct twl4030_platform_data *pmic_data,

				  u32 pdata_flags, u32 regulators_flags)

{
@@ -318,6 +447,24 @@ void __init omap4_pmic_get_config(struct twl4030_platform_data *pmic_data, 
	if (!pmic_data->irq_end)

		pmic_data->irq_end = TWL6030_IRQ_END;



	if (!pmic_data->vdd1) {

		omap4_vdd1.driver_data = &omap4_vdd1_drvdata;

		omap4_vdd1_drvdata.data = voltdm_lookup("mpu");

		pmic_data->vdd1 = &omap4_vdd1;

	}



	if (!pmic_data->vdd2) {

		omap4_vdd2.driver_data = &omap4_vdd2_drvdata;

		omap4_vdd2_drvdata.data = voltdm_lookup("iva");

		pmic_data->vdd2 = &omap4_vdd2;

	}



	if (!pmic_data->vdd3) {

		omap4_vdd3.driver_data = &omap4_vdd3_drvdata;

		omap4_vdd3_drvdata.data = voltdm_lookup("core");

		pmic_data->vdd3 = &omap4_vdd3;

	}



	/* Common platform data configurations */

	if (pdata_flags & TWL_COMMON_PDATA_USB && !pmic_data->usb)

		pmic_data->usb = &omap4_usb_pdata;

arch/arm/mach-omap2/vc3xxx_data.c

+1 −0
Original line number Diff line number Diff line
@@ -46,6 +46,7 @@ static struct omap_vc_common omap3_vc_common = { 
};



struct omap_vc_channel omap3_vc_mpu = {

	.flags = OMAP_VC_CHANNEL_DEFAULT,

	.common = &omap3_vc_common,

	.smps_sa_reg	 = OMAP3_PRM_VC_SMPS_SA_OFFSET,

	.smps_volra_reg	 = OMAP3_PRM_VC_SMPS_VOL_RA_OFFSET,

arch/arm/mach-omap2/voltage.c

+18 −3
Original line number Diff line number Diff line
@@ -73,7 +73,8 @@ unsigned long voltdm_get_voltage(struct voltagedomain *voltdm) 
int voltdm_scale(struct voltagedomain *voltdm,

		 unsigned long target_volt)

{

	int ret;

	int ret, i;

	unsigned long volt = 0;



	if (!voltdm || IS_ERR(voltdm)) {

		pr_warning("%s: VDD specified does not exist!\n", __func__);
@@ -86,9 +87,23 @@ int voltdm_scale(struct voltagedomain *voltdm, 
		return -ENODATA;

	}



	ret = voltdm->scale(voltdm, target_volt);

	/* Adjust voltage to the exact voltage from the OPP table */

	for (i = 0; voltdm->volt_data[i].volt_nominal != 0; i++) {

		if (voltdm->volt_data[i].volt_nominal >= target_volt) {

			volt = voltdm->volt_data[i].volt_nominal;

			break;

		}

	}



	if (!volt) {

		pr_warning("%s: not scaling. OPP voltage for %lu, not found.\n",

			   __func__, target_volt);

		return -EINVAL;

	}



	ret = voltdm->scale(voltdm, volt);

	if (!ret)

		voltdm->nominal_volt = target_volt;

		voltdm->nominal_volt = volt;



	return ret;

}

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