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board: freescale: common: add pfuze dm code

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Add pfuze dm code, this code could be enabled with CONFIG_DM_PMIC_PFUZE100.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
This commit is contained in:
Peng Fan 2018-01-02 09:32:06 +08:00 committed by Stefano Babic
parent 83fccaf1f9
commit f8e450a7f6
3 changed files with 85 additions and 0 deletions
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1
board/freescale/common/Makefile
View File

@ -61,6 +61,7 @@ obj-$(CONFIG_VSC_CROSSBAR) += vsc3316_3308.o
obj-$(CONFIG_IDT8T49N222A) += idt8t49n222a_serdes_clk.o
obj-$(CONFIG_ZM7300) += zm7300.o
obj-$(CONFIG_POWER_PFUZE100) += pfuze.o
obj-$(CONFIG_DM_PMIC_PFUZE100) += pfuze.o
obj-$(CONFIG_POWER_MC34VR500) += mc34vr500.o
obj-$(CONFIG_LS102XA_STREAM_ID) += ls102xa_stream_id.o

79
board/freescale/common/pfuze.c
View File

@ -92,4 +92,83 @@ struct pmic *pfuze_common_init(unsigned char i2cbus)
return p;
}
#else
int pfuze_mode_init(struct udevice *dev, u32 mode)
{
unsigned char offset, i, switch_num;
u32 id;
int ret;
id = pmic_reg_read(dev, PFUZE100_DEVICEID);
id = id & 0xf;
if (id == 0) {
switch_num = 6;
offset = PFUZE100_SW1CMODE;
} else if (id == 1) {
switch_num = 4;
offset = PFUZE100_SW2MODE;
} else {
printf("Not supported, id=%d\n", id);
return -EINVAL;
}
ret = pmic_reg_write(dev, PFUZE100_SW1ABMODE, mode);
if (ret < 0) {
printf("Set SW1AB mode error!\n");
return ret;
}
for (i = 0; i < switch_num - 1; i++) {
ret = pmic_reg_write(dev, offset + i * SWITCH_SIZE, mode);
if (ret < 0) {
printf("Set switch 0x%x mode error!\n",
offset + i * SWITCH_SIZE);
return ret;
}
}
return ret;
}
struct udevice *pfuze_common_init(void)
{
struct udevice *dev;
int ret;
unsigned int reg, dev_id, rev_id;
ret = pmic_get("pfuze100", &dev);
if (ret == -ENODEV)
return NULL;
dev_id = pmic_reg_read(dev, PFUZE100_DEVICEID);
rev_id = pmic_reg_read(dev, PFUZE100_REVID);
printf("PMIC: PFUZE100! DEV_ID=0x%x REV_ID=0x%x\n", dev_id, rev_id);
/* Set SW1AB stanby volage to 0.975V */
reg = pmic_reg_read(dev, PFUZE100_SW1ABSTBY);
reg &= ~SW1x_STBY_MASK;
reg |= SW1x_0_975V;
pmic_reg_write(dev, PFUZE100_SW1ABSTBY, reg);
/* Set SW1AB/VDDARM step ramp up time from 16us to 4us/25mV */
reg = pmic_reg_read(dev, PFUZE100_SW1ABCONF);
reg &= ~SW1xCONF_DVSSPEED_MASK;
reg |= SW1xCONF_DVSSPEED_4US;
pmic_reg_write(dev, PFUZE100_SW1ABCONF, reg);
/* Set SW1C standby voltage to 0.975V */
reg = pmic_reg_read(dev, PFUZE100_SW1CSTBY);
reg &= ~SW1x_STBY_MASK;
reg |= SW1x_0_975V;
pmic_reg_write(dev, PFUZE100_SW1CSTBY, reg);
/* Set SW1C/VDDSOC step ramp up time from 16us to 4us/25mV */
reg = pmic_reg_read(dev, PFUZE100_SW1CCONF);
reg &= ~SW1xCONF_DVSSPEED_MASK;
reg |= SW1xCONF_DVSSPEED_4US;
pmic_reg_write(dev, PFUZE100_SW1CCONF, reg);
return dev;
}
#endif

5
board/freescale/common/pfuze.h
View File

@ -7,7 +7,12 @@
#ifndef __PFUZE_BOARD_HELPER__
#define __PFUZE_BOARD_HELPER__
#ifdef CONFIG_DM_PMIC_PFUZE100
struct udevice *pfuze_common_init(void);
int pfuze_mode_init(struct udevice *dev, u32 mode);
#else
struct pmic *pfuze_common_init(unsigned char i2cbus);
int pfuze_mode_init(struct pmic *p, u32 mode);
#endif
#endif