diff options
| -rw-r--r-- | drivers/power/regulator/pfuze100.c | 87 |
1 files changed, 48 insertions, 39 deletions
diff --git a/drivers/power/regulator/pfuze100.c b/drivers/power/regulator/pfuze100.c index f864b1d8834..f055c610ad1 100644 --- a/drivers/power/regulator/pfuze100.c +++ b/drivers/power/regulator/pfuze100.c @@ -19,6 +19,7 @@ * @name: Identify name for the regulator. * @type: Indicates the regulator type. * @uV_step: Voltage increase for each selector. + * @min_uV: Indicates the minimal voltage supported. * @vsel_reg: Register for adjust regulator voltage for normal. * @vsel_mask: Mask bit for setting regulator voltage for normal. * @stby_reg: Register for adjust regulator voltage for standby. @@ -30,6 +31,7 @@ struct pfuze100_regulator_desc { char *name; enum regulator_type type; unsigned int uV_step; + unsigned int min_uV; unsigned int vsel_reg; unsigned int vsel_mask; unsigned int stby_reg; @@ -54,11 +56,12 @@ struct pfuze100_regulator_plat { .voltage = (vol), \ } -#define PFUZE100_SW_REG(_name, base, step) \ +#define PFUZE100_SW_REG(_name, base, step, min) \ { \ .name = #_name, \ .type = REGULATOR_TYPE_BUCK, \ .uV_step = (step), \ + .min_uV = (min), \ .vsel_reg = (base) + PFUZE100_VOL_OFFSET, \ .vsel_mask = 0x3F, \ .stby_reg = (base) + PFUZE100_STBY_OFFSET, \ @@ -84,32 +87,35 @@ struct pfuze100_regulator_plat { .volt_table = (voltages), \ } -#define PFUZE100_VGEN_REG(_name, base, step) \ +#define PFUZE100_VGEN_REG(_name, base, step, min) \ { \ .name = #_name, \ .type = REGULATOR_TYPE_LDO, \ .uV_step = (step), \ + .min_uV = (min), \ .vsel_reg = (base), \ .vsel_mask = 0xF, \ .stby_reg = (base), \ .stby_mask = 0x20, \ } -#define PFUZE3000_VCC_REG(_name, base, step) \ +#define PFUZE3000_VCC_REG(_name, base, step, min) \ { \ .name = #_name, \ .type = REGULATOR_TYPE_LDO, \ .uV_step = (step), \ + .min_uV = (min), \ .vsel_reg = (base), \ .vsel_mask = 0x3, \ .stby_reg = (base), \ .stby_mask = 0x20, \ } -#define PFUZE3000_SW1_REG(_name, base, step) \ +#define PFUZE3000_SW1_REG(_name, base, step, min) \ { \ .name = #_name, \ .type = REGULATOR_TYPE_BUCK, \ + .min_uV = (min), \ .uV_step = (step), \ .vsel_reg = (base) + PFUZE100_VOL_OFFSET, \ .vsel_mask = 0x1F, \ @@ -128,11 +134,12 @@ struct pfuze100_regulator_plat { .stby_mask = 0x7, \ } -#define PFUZE3000_SW3_REG(_name, base, step) \ +#define PFUZE3000_SW3_REG(_name, base, step, min) \ { \ .name = #_name, \ .type = REGULATOR_TYPE_BUCK, \ .uV_step = (step), \ + .min_uV = (min), \ .vsel_reg = (base) + PFUZE100_VOL_OFFSET, \ .vsel_mask = 0xF, \ .stby_reg = (base) + PFUZE100_STBY_OFFSET, \ @@ -157,55 +164,55 @@ static unsigned int pfuze3000_sw2lo[] = { /* PFUZE100 */ static struct pfuze100_regulator_desc pfuze100_regulators[] = { - PFUZE100_SW_REG(sw1ab, PFUZE100_SW1ABVOL, 25000), - PFUZE100_SW_REG(sw1c, PFUZE100_SW1CVOL, 25000), - PFUZE100_SW_REG(sw2, PFUZE100_SW2VOL, 25000), - PFUZE100_SW_REG(sw3a, PFUZE100_SW3AVOL, 25000), - PFUZE100_SW_REG(sw3b, PFUZE100_SW3BVOL, 25000), - PFUZE100_SW_REG(sw4, PFUZE100_SW4VOL, 25000), + PFUZE100_SW_REG(sw1ab, PFUZE100_SW1ABVOL, 25000, 300000), + PFUZE100_SW_REG(sw1c, PFUZE100_SW1CVOL, 25000, 300000), + PFUZE100_SW_REG(sw2, PFUZE100_SW2VOL, 25000, 400000), + PFUZE100_SW_REG(sw3a, PFUZE100_SW3AVOL, 25000, 400000), + PFUZE100_SW_REG(sw3b, PFUZE100_SW3BVOL, 25000, 400000), + PFUZE100_SW_REG(sw4, PFUZE100_SW4VOL, 25000, 400000), PFUZE100_SWB_REG(swbst, PFUZE100_SWBSTCON1, 0x3, 50000, pfuze100_swbst), PFUZE100_SNVS_REG(vsnvs, PFUZE100_VSNVSVOL, 0x7, pfuze100_vsnvs), PFUZE100_FIXED_REG(vrefddr, PFUZE100_VREFDDRCON, 750000), - PFUZE100_VGEN_REG(vgen1, PFUZE100_VGEN1VOL, 50000), - PFUZE100_VGEN_REG(vgen2, PFUZE100_VGEN2VOL, 50000), - PFUZE100_VGEN_REG(vgen3, PFUZE100_VGEN3VOL, 100000), - PFUZE100_VGEN_REG(vgen4, PFUZE100_VGEN4VOL, 100000), - PFUZE100_VGEN_REG(vgen5, PFUZE100_VGEN5VOL, 100000), - PFUZE100_VGEN_REG(vgen6, PFUZE100_VGEN6VOL, 100000), + PFUZE100_VGEN_REG(vgen1, PFUZE100_VGEN1VOL, 50000, 800000), + PFUZE100_VGEN_REG(vgen2, PFUZE100_VGEN2VOL, 50000, 1800000), + PFUZE100_VGEN_REG(vgen3, PFUZE100_VGEN3VOL, 100000, 1800000), + PFUZE100_VGEN_REG(vgen4, PFUZE100_VGEN4VOL, 100000, 1800000), + PFUZE100_VGEN_REG(vgen5, PFUZE100_VGEN5VOL, 100000, 1800000), + PFUZE100_VGEN_REG(vgen6, PFUZE100_VGEN6VOL, 100000, 1800000), }; /* PFUZE200 */ static struct pfuze100_regulator_desc pfuze200_regulators[] = { - PFUZE100_SW_REG(sw1ab, PFUZE100_SW1ABVOL, 25000), - PFUZE100_SW_REG(sw2, PFUZE100_SW2VOL, 25000), - PFUZE100_SW_REG(sw3a, PFUZE100_SW3AVOL, 25000), - PFUZE100_SW_REG(sw3b, PFUZE100_SW3BVOL, 25000), + PFUZE100_SW_REG(sw1ab, PFUZE100_SW1ABVOL, 25000, 300000), + PFUZE100_SW_REG(sw2, PFUZE100_SW2VOL, 25000, 400000), + PFUZE100_SW_REG(sw3a, PFUZE100_SW3AVOL, 25000, 400000), + PFUZE100_SW_REG(sw3b, PFUZE100_SW3BVOL, 25000, 400000), PFUZE100_SWB_REG(swbst, PFUZE100_SWBSTCON1, 0x3, 50000, pfuze100_swbst), PFUZE100_SNVS_REG(vsnvs, PFUZE100_VSNVSVOL, 0x7, pfuze100_vsnvs), PFUZE100_FIXED_REG(vrefddr, PFUZE100_VREFDDRCON, 750000), - PFUZE100_VGEN_REG(vgen1, PFUZE100_VGEN1VOL, 50000), - PFUZE100_VGEN_REG(vgen2, PFUZE100_VGEN2VOL, 50000), - PFUZE100_VGEN_REG(vgen3, PFUZE100_VGEN3VOL, 100000), - PFUZE100_VGEN_REG(vgen4, PFUZE100_VGEN4VOL, 100000), - PFUZE100_VGEN_REG(vgen5, PFUZE100_VGEN5VOL, 100000), - PFUZE100_VGEN_REG(vgen6, PFUZE100_VGEN6VOL, 100000), + PFUZE100_VGEN_REG(vgen1, PFUZE100_VGEN1VOL, 50000, 800000), + PFUZE100_VGEN_REG(vgen2, PFUZE100_VGEN2VOL, 50000, 800000), + PFUZE100_VGEN_REG(vgen3, PFUZE100_VGEN3VOL, 100000, 1800000), + PFUZE100_VGEN_REG(vgen4, PFUZE100_VGEN4VOL, 100000, 1800000), + PFUZE100_VGEN_REG(vgen5, PFUZE100_VGEN5VOL, 100000, 1800000), + PFUZE100_VGEN_REG(vgen6, PFUZE100_VGEN6VOL, 100000, 1800000), }; /* PFUZE3000 */ static struct pfuze100_regulator_desc pfuze3000_regulators[] = { - PFUZE3000_SW1_REG(sw1a, PFUZE100_SW1ABVOL, 25000), - PFUZE3000_SW1_REG(sw1b, PFUZE100_SW1CVOL, 25000), + PFUZE3000_SW1_REG(sw1a, PFUZE100_SW1ABVOL, 25000, 700000), + PFUZE3000_SW1_REG(sw1b, PFUZE100_SW1CVOL, 25000, 700000), PFUZE100_SWB_REG(sw2, PFUZE100_SW2VOL, 0x7, 50000, pfuze3000_sw2lo), - PFUZE3000_SW3_REG(sw3, PFUZE100_SW3AVOL, 50000), + PFUZE3000_SW3_REG(sw3, PFUZE100_SW3AVOL, 50000, 900000), PFUZE100_SWB_REG(swbst, PFUZE100_SWBSTCON1, 0x3, 50000, pfuze100_swbst), PFUZE100_SNVS_REG(vsnvs, PFUZE100_VSNVSVOL, 0x7, pfuze3000_vsnvs), PFUZE100_FIXED_REG(vrefddr, PFUZE100_VREFDDRCON, 750000), - PFUZE100_VGEN_REG(vldo1, PFUZE100_VGEN1VOL, 100000), - PFUZE100_VGEN_REG(vldo2, PFUZE100_VGEN2VOL, 50000), - PFUZE3000_VCC_REG(vccsd, PFUZE100_VGEN3VOL, 150000), - PFUZE3000_VCC_REG(v33, PFUZE100_VGEN4VOL, 150000), - PFUZE100_VGEN_REG(vldo3, PFUZE100_VGEN5VOL, 100000), - PFUZE100_VGEN_REG(vldo4, PFUZE100_VGEN6VOL, 100000), + PFUZE100_VGEN_REG(vldo1, PFUZE100_VGEN1VOL, 100000, 1800000), + PFUZE100_VGEN_REG(vldo2, PFUZE100_VGEN2VOL, 50000, 800000), + PFUZE3000_VCC_REG(vccsd, PFUZE100_VGEN3VOL, 150000, 2850000), + PFUZE3000_VCC_REG(v33, PFUZE100_VGEN4VOL, 150000, 2850000), + PFUZE100_VGEN_REG(vldo3, PFUZE100_VGEN5VOL, 100000, 1800000), + PFUZE100_VGEN_REG(vldo4, PFUZE100_VGEN6VOL, 100000, 1800000), }; #define MODE(_id, _val, _name) { \ @@ -436,7 +443,7 @@ static int pfuze100_regulator_enable(struct udevice *dev, int op, bool *enable) static int pfuze100_regulator_val(struct udevice *dev, int op, int *uV) { int i; - int val; + int val, min_uV; struct pfuze100_regulator_plat *plat = dev_get_plat(dev); struct pfuze100_regulator_desc *desc = plat->desc; struct dm_regulator_uclass_plat *uc_pdata = @@ -461,7 +468,8 @@ static int pfuze100_regulator_val(struct udevice *dev, int op, int *uV) if (val < 0) return val; val &= desc->vsel_mask; - *uV = uc_pdata->min_uV + (int)val * desc->uV_step; + min_uV = desc->min_uV ?: uc_pdata->min_uV; + *uV = min_uV + (int)val * desc->uV_step; } return 0; @@ -487,9 +495,10 @@ static int pfuze100_regulator_val(struct udevice *dev, int op, int *uV) debug("Need to provide min_uV in dts.\n"); return -EINVAL; } + min_uV = desc->min_uV ?: uc_pdata->min_uV; return pmic_clrsetbits(dev->parent, desc->vsel_reg, desc->vsel_mask, - (*uV - uc_pdata->min_uV) / desc->uV_step); + (*uV - min_uV) / desc->uV_step); } return 0; |