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board: ti: dra71x-evm: Add PMIC support 

Add the pmic_data for LP873x PMIC which is used to power
up dra71x-evm.

Note: As per the DM[1] DRA71x supports only OP_NOM. So, updating
the efuse registers only to use OPP_NOM irrespective of any
CONFIG_DRA7_<VOLT>_OPP_{NOM,od,high} is defined.

[1] http://www.ti.com/product/DRA718/technicaldocuments

Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Keerthy 2016-11-23 13:25:27 +05:30 committed by Tom Rini
parent 4596cf98cd
commit f56e635099
4 changed files with 77 additions and 0 deletions
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8
arch/arm/include/asm/arch-omap5/clock.h
View File

@ -324,6 +324,9 @@
/* Standard offset is 0.5v expressed in uv */
#define PALMAS_SMPS_BASE_VOLT_UV 500000
/* Offset is 0.73V for LP873x */
#define LP873X_BUCK_BASE_VOLT_UV 730000
/* TPS659038 */
#define TPS659038_I2C_SLAVE_ADDR 0x58
#define TPS659038_REG_ADDR_SMPS12 0x23
@ -338,6 +341,11 @@
#define TPS65917_REG_ADDR_SMPS2 0x27
#define TPS65917_REG_ADDR_SMPS3 0x2F
/* LP873X */
#define LP873X_I2C_SLAVE_ADDR 0x60
#define LP873X_REG_ADDR_BUCK0 0x6
#define LP873X_REG_ADDR_BUCK1 0x7
#define LP873X_REG_ADDR_LDO1 0xA
/* TPS */
#define TPS62361_I2C_SLAVE_ADDR 0x60

1
arch/arm/include/asm/omap_common.h
View File

@ -600,6 +600,7 @@ extern struct omap_sys_ctrl_regs const omap5_ctrl;
extern struct omap_sys_ctrl_regs const dra7xx_ctrl;
extern struct pmic_data tps659038;
extern struct pmic_data lp8733;
void hw_data_init(void);

16
arch/arm/mach-omap2/omap5/hw_data.c
View File

@ -336,6 +336,22 @@ struct pmic_data tps659038 = {
.gpio_en = 0,
};
/* The LP8732 and LP8733 are software-compatible, use common struct */
struct pmic_data lp8733 = {
.base_offset = LP873X_BUCK_BASE_VOLT_UV,
.step = 5000, /* 5 mV represented in uV */
/*
* Offset codes 0 - 0x13 Invalid.
* Offset codes 0x14 0x17 give 10mV steps
* Offset codes 0x17 through 0x9D give 5mV steps
* So let us start with our operating range from .73V
*/
.start_code = 0x17,
.i2c_slave_addr = 0x60,
.pmic_bus_init = gpi2c_init,
.pmic_write = palmas_i2c_write_u8,
};
struct vcores_data omap5430_volts = {
.mpu.value[OPP_NOM] = VDD_MPU,
.mpu.addr = SMPS_REG_ADDR_12_MPU,

52
board/ti/dra7xx/evm.c
View File

@ -408,10 +408,60 @@ struct vcores_data dra722_volts = {
.iva.abb_tx_done_mask = OMAP_ABB_IVA_TXDONE_MASK,
};
struct vcores_data dra718_volts = {
/*
* In the case of dra71x GPU MPU and CORE
* are all powered up by BUCK0 of LP873X PMIC
*/
.mpu.value[OPP_NOM] = VDD_MPU_DRA7_NOM,
.mpu.efuse.reg[OPP_NOM] = STD_FUSE_OPP_VMIN_MPU_NOM,
.mpu.efuse.reg_bits = DRA752_EFUSE_REGBITS,
.mpu.addr = LP873X_REG_ADDR_BUCK0,
.mpu.pmic = &lp8733,
.mpu.abb_tx_done_mask = OMAP_ABB_MPU_TXDONE_MASK,
.core.value[OPP_NOM] = VDD_CORE_DRA7_NOM,
.core.efuse.reg[OPP_NOM] = STD_FUSE_OPP_VMIN_CORE_NOM,
.core.efuse.reg_bits = DRA752_EFUSE_REGBITS,
.core.addr = LP873X_REG_ADDR_BUCK0,
.core.pmic = &lp8733,
.gpu.value[OPP_NOM] = VDD_GPU_DRA7_NOM,
.gpu.efuse.reg[OPP_NOM] = STD_FUSE_OPP_VMIN_GPU_NOM,
.gpu.efuse.reg_bits = DRA752_EFUSE_REGBITS,
.gpu.addr = LP873X_REG_ADDR_BUCK0,
.gpu.pmic = &lp8733,
.gpu.abb_tx_done_mask = OMAP_ABB_GPU_TXDONE_MASK,
/*
* The DSPEVE and IVA rails are grouped on DRA71x-evm
* and are powered by BUCK1 of LP873X PMIC
*/
.eve.value[OPP_NOM] = VDD_EVE_DRA7_NOM,
.eve.efuse.reg[OPP_NOM] = STD_FUSE_OPP_VMIN_DSPEVE_NOM,
.eve.efuse.reg_bits = DRA752_EFUSE_REGBITS,
.eve.addr = LP873X_REG_ADDR_BUCK1,
.eve.pmic = &lp8733,
.eve.abb_tx_done_mask = OMAP_ABB_EVE_TXDONE_MASK,
.iva.value[OPP_NOM] = VDD_IVA_DRA7_NOM,
.iva.efuse.reg[OPP_NOM] = STD_FUSE_OPP_VMIN_IVA_NOM,
.iva.efuse.reg_bits = DRA752_EFUSE_REGBITS,
.iva.addr = LP873X_REG_ADDR_BUCK1,
.iva.pmic = &lp8733,
.iva.abb_tx_done_mask = OMAP_ABB_IVA_TXDONE_MASK,
};
int get_voltrail_opp(int rail_offset)
{
int opp;
/*
* DRA71x supports only OPP_NOM.
*/
if (board_is_dra71x_evm())
return OPP_NOM;
switch (rail_offset) {
case VOLT_MPU:
opp = DRA7_MPU_OPP;
@ -541,6 +591,8 @@ void vcores_init(void)
*omap_vcores = &dra752_volts;
} else if (board_is_dra72x_evm()) {
*omap_vcores = &dra722_volts;
} else if (board_is_dra71x_evm()) {
*omap_vcores = &dra718_volts;
} else {
/* If EEPROM is not populated */
if (is_dra72x())