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author | Bengt Jonsson <bengt.g.jonsson@stericsson.com> | 2011-04-01 16:43:33 +0400 |
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committer | Linus Walleij <linus.walleij@linaro.org> | 2011-05-25 00:20:23 +0400 |
commit | 1032fbfd792f2b384ac16a63993b8fae5eea9083 (patch) | |
tree | 9d9955103fc7aad7f59dda3f523569aca3df7b62 /drivers/mfd/db8500-prcmu.c | |
parent | f0e733f32e56ded9309a8b8da3a77d47beb3cbdd (diff) | |
download | linux-1032fbfd792f2b384ac16a63993b8fae5eea9083.tar.xz |
mach-ux500: voltage domain regulators for DB8500
The DB8500 has ePOD:s (electronic power domains) which are possible
to switch on/off to deactivate silicon blocks on the DB8500 SoC
by cutting their power without retention. We model these as simple
regulators with one bit on/off settings.
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Bengt Jonsson <bengt.g.jonsson@stericsson.com>
Signed-off-by: Sundar Iyer <sundar.iyer@stericsson.com>
Signed-off-by: Jonas Aberg <jonas.aberg@stericsson.com>
Signed-off-by: Virupax Sadashivpetimath <virupax.sadashivpetimath@stericsson.com>
Signed-off-by: Martin Persson <martin.persson@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/mfd/db8500-prcmu.c')
-rw-r--r-- | drivers/mfd/db8500-prcmu.c | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/drivers/mfd/db8500-prcmu.c b/drivers/mfd/db8500-prcmu.c index c44725bd8b9a..e63782107e2f 100644 --- a/drivers/mfd/db8500-prcmu.c +++ b/drivers/mfd/db8500-prcmu.c @@ -28,6 +28,8 @@ #include <linux/uaccess.h> #include <linux/mfd/core.h> #include <linux/mfd/db8500-prcmu.h> +#include <linux/regulator/db8500-prcmu.h> +#include <linux/regulator/machine.h> #include <mach/hardware.h> #include <mach/irqs.h> #include <mach/db8500-regs.h> @@ -1824,9 +1826,186 @@ void __init prcmu_early_init(void) } } +/* + * Power domain switches (ePODs) modeled as regulators for the DB8500 SoC + */ +static struct regulator_consumer_supply db8500_vape_consumers[] = { + REGULATOR_SUPPLY("v-ape", NULL), + REGULATOR_SUPPLY("v-i2c", "nmk-i2c.0"), + REGULATOR_SUPPLY("v-i2c", "nmk-i2c.1"), + REGULATOR_SUPPLY("v-i2c", "nmk-i2c.2"), + REGULATOR_SUPPLY("v-i2c", "nmk-i2c.3"), + /* "v-mmc" changed to "vcore" in the mainline kernel */ + REGULATOR_SUPPLY("vcore", "sdi0"), + REGULATOR_SUPPLY("vcore", "sdi1"), + REGULATOR_SUPPLY("vcore", "sdi2"), + REGULATOR_SUPPLY("vcore", "sdi3"), + REGULATOR_SUPPLY("vcore", "sdi4"), + REGULATOR_SUPPLY("v-dma", "dma40.0"), + REGULATOR_SUPPLY("v-ape", "ab8500-usb.0"), + /* "v-uart" changed to "vcore" in the mainline kernel */ + REGULATOR_SUPPLY("vcore", "uart0"), + REGULATOR_SUPPLY("vcore", "uart1"), + REGULATOR_SUPPLY("vcore", "uart2"), + REGULATOR_SUPPLY("v-ape", "nmk-ske-keypad.0"), +}; + +static struct regulator_consumer_supply db8500_vsmps2_consumers[] = { + /* CG2900 and CW1200 power to off-chip peripherals */ + REGULATOR_SUPPLY("gbf_1v8", "cg2900-uart.0"), + REGULATOR_SUPPLY("wlan_1v8", "cw1200.0"), + REGULATOR_SUPPLY("musb_1v8", "ab8500-usb.0"), + /* AV8100 regulator */ + REGULATOR_SUPPLY("hdmi_1v8", "0-0070"), +}; + +static struct regulator_consumer_supply db8500_b2r2_mcde_consumers[] = { + REGULATOR_SUPPLY("vsupply", "b2r2.0"), + REGULATOR_SUPPLY("vsupply", "mcde.0"), +}; + +static struct regulator_init_data db8500_regulators[DB8500_NUM_REGULATORS] = { + [DB8500_REGULATOR_VAPE] = { + .constraints = { + .name = "db8500-vape", + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + }, + .consumer_supplies = db8500_vape_consumers, + .num_consumer_supplies = ARRAY_SIZE(db8500_vape_consumers), + }, + [DB8500_REGULATOR_VARM] = { + .constraints = { + .name = "db8500-varm", + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + }, + }, + [DB8500_REGULATOR_VMODEM] = { + .constraints = { + .name = "db8500-vmodem", + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + }, + }, + [DB8500_REGULATOR_VPLL] = { + .constraints = { + .name = "db8500-vpll", + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + }, + }, + [DB8500_REGULATOR_VSMPS1] = { + .constraints = { + .name = "db8500-vsmps1", + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + }, + }, + [DB8500_REGULATOR_VSMPS2] = { + .constraints = { + .name = "db8500-vsmps2", + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + }, + .consumer_supplies = db8500_vsmps2_consumers, + .num_consumer_supplies = ARRAY_SIZE(db8500_vsmps2_consumers), + }, + [DB8500_REGULATOR_VSMPS3] = { + .constraints = { + .name = "db8500-vsmps3", + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + }, + }, + [DB8500_REGULATOR_VRF1] = { + .constraints = { + .name = "db8500-vrf1", + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + }, + }, + [DB8500_REGULATOR_SWITCH_SVAMMDSP] = { + .supply_regulator = "db8500-vape", + .constraints = { + .name = "db8500-sva-mmdsp", + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + }, + }, + [DB8500_REGULATOR_SWITCH_SVAMMDSPRET] = { + .constraints = { + /* "ret" means "retention" */ + .name = "db8500-sva-mmdsp-ret", + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + }, + }, + [DB8500_REGULATOR_SWITCH_SVAPIPE] = { + .supply_regulator = "db8500-vape", + .constraints = { + .name = "db8500-sva-pipe", + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + }, + }, + [DB8500_REGULATOR_SWITCH_SIAMMDSP] = { + .supply_regulator = "db8500-vape", + .constraints = { + .name = "db8500-sia-mmdsp", + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + }, + }, + [DB8500_REGULATOR_SWITCH_SIAMMDSPRET] = { + .constraints = { + .name = "db8500-sia-mmdsp-ret", + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + }, + }, + [DB8500_REGULATOR_SWITCH_SIAPIPE] = { + .supply_regulator = "db8500-vape", + .constraints = { + .name = "db8500-sia-pipe", + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + }, + }, + [DB8500_REGULATOR_SWITCH_SGA] = { + .supply_regulator = "db8500-vape", + .constraints = { + .name = "db8500-sga", + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + }, + }, + [DB8500_REGULATOR_SWITCH_B2R2_MCDE] = { + .supply_regulator = "db8500-vape", + .constraints = { + .name = "db8500-b2r2-mcde", + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + }, + .consumer_supplies = db8500_b2r2_mcde_consumers, + .num_consumer_supplies = ARRAY_SIZE(db8500_b2r2_mcde_consumers), + }, + [DB8500_REGULATOR_SWITCH_ESRAM12] = { + .supply_regulator = "db8500-vape", + .constraints = { + .name = "db8500-esram12", + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + }, + }, + [DB8500_REGULATOR_SWITCH_ESRAM12RET] = { + .constraints = { + .name = "db8500-esram12-ret", + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + }, + }, + [DB8500_REGULATOR_SWITCH_ESRAM34] = { + .supply_regulator = "db8500-vape", + .constraints = { + .name = "db8500-esram34", + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + }, + }, + [DB8500_REGULATOR_SWITCH_ESRAM34RET] = { + .constraints = { + .name = "db8500-esram34-ret", + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + }, + }, +}; + static struct mfd_cell db8500_prcmu_devs[] = { { .name = "db8500-prcmu-regulators", + .mfd_data = &db8500_regulators, }, { .name = "cpufreq-u8500", |