regulator: pfuze100: add pfuze200 support

support pfuze200 chip which remove SW1C and SW4 based on pfuze100.

Signed-off-by: Robin Gong <b38343@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

3 files changed, 251 insertions, 55 deletions

diff --git a/Documentation/devicetree/bindings/regulator/pfuze100.txt b/Documentation/devicetree/bindings/regulator/pfuze100.txt
index fc989b2e8057..34ef5d16d0f1 100644
--- a/Documentation/devicetree/bindings/regulator/pfuze100.txt
+++ b/Documentation/devicetree/bindings/regulator/pfuze100.txt
@@ -1,7 +1,7 @@
 PFUZE100 family of regulators
 
 Required properties:
-- compatible: "fsl,pfuze100"
+- compatible: "fsl,pfuze100" or "fsl,pfuze200"
 - reg: I2C slave address
 
 Required child node:
@@ -10,11 +10,14 @@ Required child node:
   Documentation/devicetree/bindings/regulator/regulator.txt.
 
   The valid names for regulators are:
+  --PFUZE100
   sw1ab,sw1c,sw2,sw3a,sw3b,sw4,swbst,vsnvs,vrefddr,vgen1~vgen6
+  --PFUZE200
+  sw1ab,sw2,sw3a,sw3b,swbst,vsnvs,vrefddr,vgen1~vgen6
 
 Each regulator is defined using the standard binding for regulators.
 
-Example:
+Example 1: PFUZE100
 
         pmic: pfuze100@08 {
                 compatible = "fsl,pfuze100";
@@ -113,3 +116,92 @@ Example:
                         };
                 };
         };
+
+
+Example 2: PFUZE200
+
+        pmic: pfuze200@08 {
+                compatible = "fsl,pfuze200";
+                reg = <0x08>;
+
+                regulators {
+                        sw1a_reg: sw1ab {
+                                regulator-min-microvolt = <300000>;
+                                regulator-max-microvolt = <1875000>;
+                                regulator-boot-on;
+                                regulator-always-on;
+                                regulator-ramp-delay = <6250>;
+                        };
+
+                        sw2_reg: sw2 {
+                                regulator-min-microvolt = <800000>;
+                                regulator-max-microvolt = <3300000>;
+                                regulator-boot-on;
+                                regulator-always-on;
+                        };
+
+                        sw3a_reg: sw3a {
+                                regulator-min-microvolt = <400000>;
+                                regulator-max-microvolt = <1975000>;
+                                regulator-boot-on;
+                                regulator-always-on;
+                        };
+
+                        sw3b_reg: sw3b {
+                                regulator-min-microvolt = <400000>;
+                                regulator-max-microvolt = <1975000>;
+                                regulator-boot-on;
+                                regulator-always-on;
+                        };
+
+                        swbst_reg: swbst {
+                                regulator-min-microvolt = <5000000>;
+                                regulator-max-microvolt = <5150000>;
+                        };
+
+                        snvs_reg: vsnvs {
+                                regulator-min-microvolt = <1000000>;
+                                regulator-max-microvolt = <3000000>;
+                                regulator-boot-on;
+                                regulator-always-on;
+                        };
+
+                        vref_reg: vrefddr {
+                                regulator-boot-on;
+                                regulator-always-on;
+                        };
+
+                        vgen1_reg: vgen1 {
+                                regulator-min-microvolt = <800000>;
+                                regulator-max-microvolt = <1550000>;
+                        };
+
+                        vgen2_reg: vgen2 {
+                                regulator-min-microvolt = <800000>;
+                                regulator-max-microvolt = <1550000>;
+                        };
+
+                        vgen3_reg: vgen3 {
+                                regulator-min-microvolt = <1800000>;
+                                regulator-max-microvolt = <3300000>;
+                        };
+
+                        vgen4_reg: vgen4 {
+                                regulator-min-microvolt = <1800000>;
+                                regulator-max-microvolt = <3300000>;
+                                regulator-always-on;
+                        };
+
+                        vgen5_reg: vgen5 {
+                                regulator-min-microvolt = <1800000>;
+                                regulator-max-microvolt = <3300000>;
+                                regulator-always-on;
+                        };
+
+                        vgen6_reg: vgen6 {
+                                regulator-min-microvolt = <1800000>;
+                                regulator-max-microvolt = <3300000>;
+                                regulator-always-on;
+                        };
+                };
+        };
diff --git a/drivers/regulator/pfuze100-regulator.c b/drivers/regulator/pfuze100-regulator.c
index 371a55374edc..ef330e69336a 100644
--- a/drivers/regulator/pfuze100-regulator.c
+++ b/drivers/regulator/pfuze100-regulator.c
@@ -56,6 +56,8 @@
 #define PFUZE100_VGEN5VOL       0x70
 #define PFUZE100_VGEN6VOL       0x71
 
+enum chips {PFUZE100, PFUZE200, PFUZE_NUM};
+
 struct pfuze_regulator {
         struct regulator_desc desc;
         unsigned char stby_reg;
@@ -63,6 +65,7 @@ struct pfuze_regulator {
 };
 
 struct pfuze_chip {
+        int     chip_id;
         struct regmap *regmap;
         struct device *dev;
         struct pfuze_regulator regulator_descs[PFUZE100_MAX_REGULATOR];
@@ -77,15 +80,15 @@ static const int pfuze100_vsnvs[] = {
         1000000, 1100000, 1200000, 1300000, 1500000, 1800000, 3000000,
 };
 
-static const struct i2c_device_id pfuze_device_id[] = {
-        {.name = "pfuze100"},
-        {},
+static const struct i2c_device_id pfuze_device_id[PFUZE_NUM] = {
+        {.name = "pfuze100", .driver_data = PFUZE100},
+        {.name = "pfuze200", .driver_data = PFUZE200},
 };
 MODULE_DEVICE_TABLE(i2c, pfuze_device_id);
 
-static const struct of_device_id pfuze_dt_ids[] = {
-        { .compatible = "fsl,pfuze100" },
-        {},
+static const struct of_device_id pfuze_dt_ids[PFUZE_NUM] = {
+        { .compatible = "fsl,pfuze100", .data = (void *)PFUZE100},
+        { .compatible = "fsl,pfuze200", .data = (void *)PFUZE200},
 };
 MODULE_DEVICE_TABLE(of, pfuze_dt_ids);
 
@@ -139,14 +142,14 @@ static struct regulator_ops pfuze100_swb_regulator_ops = {
 
 };
 
-#define PFUZE100_FIXED_REG(_name, base, voltage)        \
-        [PFUZE100_ ## _name] = {        \
+#define PFUZE100_FIXED_REG(_chip, _name, base, voltage) \
+        [_chip ## _ ## _name] = {       \
                 .desc = {       \
                         .name = #_name, \
                         .n_voltages = 1,        \
                         .ops = &pfuze100_fixed_regulator_ops,   \
                         .type = REGULATOR_VOLTAGE,      \
-                        .id = PFUZE100_ ## _name,       \
+                        .id = _chip ## _ ## _name,      \
                         .owner = THIS_MODULE,   \
                         .min_uV = (voltage),    \
                         .enable_reg = (base),   \
@@ -154,14 +157,14 @@ static struct regulator_ops pfuze100_swb_regulator_ops = {
                 },      \
         }
 
-#define PFUZE100_SW_REG(_name, base, min, max, step)    \
-        [PFUZE100_ ## _name] = {        \
+#define PFUZE100_SW_REG(_chip, _name, base, min, max, step)     \
+        [_chip ## _ ## _name] = {       \
                 .desc = {       \
                         .name = #_name,\
                         .n_voltages = ((max) - (min)) / (step) + 1,     \
                         .ops = &pfuze100_sw_regulator_ops,      \
                         .type = REGULATOR_VOLTAGE,      \
-                        .id = PFUZE100_ ## _name,       \
+                        .id = _chip ## _ ## _name,      \
                         .owner = THIS_MODULE,   \
                         .min_uV = (min),        \
                         .uV_step = (step),      \
@@ -172,14 +175,14 @@ static struct regulator_ops pfuze100_swb_regulator_ops = {
                 .stby_mask = 0x3f,      \
         }
 
-#define PFUZE100_SWB_REG(_name, base, mask, voltages)   \
-        [PFUZE100_ ## _name] = {        \
+#define PFUZE100_SWB_REG(_chip, _name, base, mask, voltages)    \
+        [_chip ## _ ##  _name] = {      \
                 .desc = {       \
                         .name = #_name, \
                         .n_voltages = ARRAY_SIZE(voltages),     \
                         .ops = &pfuze100_swb_regulator_ops,     \
                         .type = REGULATOR_VOLTAGE,      \
-                        .id = PFUZE100_ ## _name,       \
+                        .id = _chip ## _ ## _name,      \
                         .owner = THIS_MODULE,   \
                         .volt_table = voltages, \
                         .vsel_reg = (base),     \
@@ -187,14 +190,14 @@ static struct regulator_ops pfuze100_swb_regulator_ops = {
                 },      \
         }
 
-#define PFUZE100_VGEN_REG(_name, base, min, max, step)  \
-        [PFUZE100_ ## _name] = {        \
+#define PFUZE100_VGEN_REG(_chip, _name, base, min, max, step)   \
+        [_chip ## _ ## _name] = {       \
                 .desc = {       \
                         .name = #_name, \
                         .n_voltages = ((max) - (min)) / (step) + 1,     \
                         .ops = &pfuze100_ldo_regulator_ops,     \
                         .type = REGULATOR_VOLTAGE,      \
-                        .id = PFUZE100_ ## _name,       \
+                        .id = _chip ## _ ## _name,      \
                         .owner = THIS_MODULE,   \
                         .min_uV = (min),        \
                         .uV_step = (step),      \
@@ -207,25 +210,45 @@ static struct regulator_ops pfuze100_swb_regulator_ops = {
                 .stby_mask = 0x20,      \
         }
 
+/* PFUZE100 */
 static struct pfuze_regulator pfuze100_regulators[] = {
-        PFUZE100_SW_REG(SW1AB, PFUZE100_SW1ABVOL, 300000, 1875000, 25000),
-        PFUZE100_SW_REG(SW1C, PFUZE100_SW1CVOL, 300000, 1875000, 25000),
-        PFUZE100_SW_REG(SW2, PFUZE100_SW2VOL, 400000, 1975000, 25000),
-        PFUZE100_SW_REG(SW3A, PFUZE100_SW3AVOL, 400000, 1975000, 25000),
-        PFUZE100_SW_REG(SW3B, PFUZE100_SW3BVOL, 400000, 1975000, 25000),
-        PFUZE100_SW_REG(SW4, PFUZE100_SW4VOL, 400000, 1975000, 25000),
-        PFUZE100_SWB_REG(SWBST, PFUZE100_SWBSTCON1, 0x3 , pfuze100_swbst),
-        PFUZE100_SWB_REG(VSNVS, PFUZE100_VSNVSVOL, 0x7, pfuze100_vsnvs),
-        PFUZE100_FIXED_REG(VREFDDR, PFUZE100_VREFDDRCON, 750000),
-        PFUZE100_VGEN_REG(VGEN1, PFUZE100_VGEN1VOL, 800000, 1550000, 50000),
-        PFUZE100_VGEN_REG(VGEN2, PFUZE100_VGEN2VOL, 800000, 1550000, 50000),
-        PFUZE100_VGEN_REG(VGEN3, PFUZE100_VGEN3VOL, 1800000, 3300000, 100000),
-        PFUZE100_VGEN_REG(VGEN4, PFUZE100_VGEN4VOL, 1800000, 3300000, 100000),
-        PFUZE100_VGEN_REG(VGEN5, PFUZE100_VGEN5VOL, 1800000, 3300000, 100000),
-        PFUZE100_VGEN_REG(VGEN6, PFUZE100_VGEN6VOL, 1800000, 3300000, 100000),
+        PFUZE100_SW_REG(PFUZE100, SW1AB, PFUZE100_SW1ABVOL, 300000, 1875000, 25000),
+        PFUZE100_SW_REG(PFUZE100, SW1C, PFUZE100_SW1CVOL, 300000, 1875000, 25000),
+        PFUZE100_SW_REG(PFUZE100, SW2, PFUZE100_SW2VOL, 400000, 1975000, 25000),
+        PFUZE100_SW_REG(PFUZE100, SW3A, PFUZE100_SW3AVOL, 400000, 1975000, 25000),
+        PFUZE100_SW_REG(PFUZE100, SW3B, PFUZE100_SW3BVOL, 400000, 1975000, 25000),
+        PFUZE100_SW_REG(PFUZE100, SW4, PFUZE100_SW4VOL, 400000, 1975000, 25000),
+        PFUZE100_SWB_REG(PFUZE100, SWBST, PFUZE100_SWBSTCON1, 0x3 , pfuze100_swbst),
+        PFUZE100_SWB_REG(PFUZE100, VSNVS, PFUZE100_VSNVSVOL, 0x7, pfuze100_vsnvs),
+        PFUZE100_FIXED_REG(PFUZE100, VREFDDR, PFUZE100_VREFDDRCON, 750000),
+        PFUZE100_VGEN_REG(PFUZE100, VGEN1, PFUZE100_VGEN1VOL, 800000, 1550000, 50000),
+        PFUZE100_VGEN_REG(PFUZE100, VGEN2, PFUZE100_VGEN2VOL, 800000, 1550000, 50000),
+        PFUZE100_VGEN_REG(PFUZE100, VGEN3, PFUZE100_VGEN3VOL, 1800000, 3300000, 100000),
+        PFUZE100_VGEN_REG(PFUZE100, VGEN4, PFUZE100_VGEN4VOL, 1800000, 3300000, 100000),
+        PFUZE100_VGEN_REG(PFUZE100, VGEN5, PFUZE100_VGEN5VOL, 1800000, 3300000, 100000),
+        PFUZE100_VGEN_REG(PFUZE100, VGEN6, PFUZE100_VGEN6VOL, 1800000, 3300000, 100000),
+};
+
+static struct pfuze_regulator pfuze200_regulators[] = {
+        PFUZE100_SW_REG(PFUZE200, SW1AB, PFUZE100_SW1ABVOL, 300000, 1875000, 25000),
+        PFUZE100_SW_REG(PFUZE200, SW2, PFUZE100_SW2VOL, 400000, 1975000, 25000),
+        PFUZE100_SW_REG(PFUZE200, SW3A, PFUZE100_SW3AVOL, 400000, 1975000, 25000),
+        PFUZE100_SW_REG(PFUZE200, SW3B, PFUZE100_SW3BVOL, 400000, 1975000, 25000),
+        PFUZE100_SWB_REG(PFUZE200, SWBST, PFUZE100_SWBSTCON1, 0x3 , pfuze100_swbst),
+        PFUZE100_SWB_REG(PFUZE200, VSNVS, PFUZE100_VSNVSVOL, 0x7, pfuze100_vsnvs),
+        PFUZE100_FIXED_REG(PFUZE200, VREFDDR, PFUZE100_VREFDDRCON, 750000),
+        PFUZE100_VGEN_REG(PFUZE200, VGEN1, PFUZE100_VGEN1VOL, 800000, 1550000, 50000),
+        PFUZE100_VGEN_REG(PFUZE200, VGEN2, PFUZE100_VGEN2VOL, 800000, 1550000, 50000),
+        PFUZE100_VGEN_REG(PFUZE200, VGEN3, PFUZE100_VGEN3VOL, 1800000, 3300000, 100000),
+        PFUZE100_VGEN_REG(PFUZE200, VGEN4, PFUZE100_VGEN4VOL, 1800000, 3300000, 100000),
+        PFUZE100_VGEN_REG(PFUZE200, VGEN5, PFUZE100_VGEN5VOL, 1800000, 3300000, 100000),
+        PFUZE100_VGEN_REG(PFUZE200, VGEN6, PFUZE100_VGEN6VOL, 1800000, 3300000, 100000),
 };
 
+static struct pfuze_regulator *pfuze_regulators;
+
 #ifdef CONFIG_OF
+/* PFUZE100 */
 static struct of_regulator_match pfuze100_matches[] = {
         { .name = "sw1ab",      },
         { .name = "sw1c",       },
@@ -244,6 +267,26 @@ static struct of_regulator_match pfuze100_matches[] = {
         { .name = "vgen6",      },
 };
 
+/* PFUZE200 */
+static struct of_regulator_match pfuze200_matches[] = {
+
+        { .name = "sw1ab",      },
+        { .name = "sw2",        },
+        { .name = "sw3a",       },
+        { .name = "sw3b",       },
+        { .name = "swbst",      },
+        { .name = "vsnvs",      },
+        { .name = "vrefddr",    },
+        { .name = "vgen1",      },
+        { .name = "vgen2",      },
+        { .name = "vgen3",      },
+        { .name = "vgen4",      },
+        { .name = "vgen5",      },
+        { .name = "vgen6",      },
+};
+
+static struct of_regulator_match *pfuze_matches;
+
 static int pfuze_parse_regulators_dt(struct pfuze_chip *chip)
 {
         struct device *dev = chip->dev;
@@ -260,8 +303,20 @@ static int pfuze_parse_regulators_dt(struct pfuze_chip *chip)
                 return -EINVAL;
         }
 
-        ret = of_regulator_match(dev, parent, pfuze100_matches,
-                                 ARRAY_SIZE(pfuze100_matches));
+        switch (chip->chip_id) {
+        case PFUZE200:
+                pfuze_matches = pfuze200_matches;
+                ret = of_regulator_match(dev, parent, pfuze200_matches,
+                                         ARRAY_SIZE(pfuze200_matches));
+                break;
+
+        case PFUZE100:
+        default:
+                pfuze_matches = pfuze100_matches;
+                ret = of_regulator_match(dev, parent, pfuze100_matches,
+                                         ARRAY_SIZE(pfuze100_matches));
+                break;
+        }
 
         of_node_put(parent);
         if (ret < 0) {
@@ -275,12 +330,12 @@ static int pfuze_parse_regulators_dt(struct pfuze_chip *chip)
 
 static inline struct regulator_init_data *match_init_data(int index)
 {
-        return pfuze100_matches[index].init_data;
+        return pfuze_matches[index].init_data;
 }
 
 static inline struct device_node *match_of_node(int index)
 {
-        return pfuze100_matches[index].of_node;
+        return pfuze_matches[index].of_node;
 }
 #else
 static int pfuze_parse_regulators_dt(struct pfuze_chip *chip)
@@ -308,16 +363,14 @@ static int pfuze_identify(struct pfuze_chip *pfuze_chip)
         if (ret)
                 return ret;
 
-        switch (value & 0x0f) {
-        /*
-         * Freescale misprogrammed 1-3% of parts prior to week 8 of 2013
-         * as ID=8
-         */
-        case 0x8:
+        if (((value & 0x0f) == 0x8) && (pfuze_chip->chip_id == PFUZE100)) {
+                /*
+                 * Freescale misprogrammed 1-3% of parts prior to week 8 of 2013
+                 * as ID=8 in PFUZE100
+                 */
                 dev_info(pfuze_chip->dev, "Assuming misprogrammed ID=0x8");
-        case 0x0:
-                break;
-        default:
+        } else if ((value & 0x0f) != pfuze_chip->chip_id) {
+                /* device id NOT match with your setting */
                 dev_warn(pfuze_chip->dev, "Illegal ID: %x\n", value);
                 return -ENODEV;
         }
@@ -353,17 +406,31 @@ static int pfuze100_regulator_probe(struct i2c_client *client,
             dev_get_platdata(&client->dev);
         struct regulator_config config = { };
         int i, ret;
+        const struct of_device_id *match;
+        u32 regulator_num;
+        u32 sw_check_start, sw_check_end;
 
         pfuze_chip = devm_kzalloc(&client->dev, sizeof(*pfuze_chip),
                         GFP_KERNEL);
         if (!pfuze_chip)
                 return -ENOMEM;
 
-        i2c_set_clientdata(client, pfuze_chip);
-
-        memcpy(pfuze_chip->regulator_descs, pfuze100_regulators,
-                sizeof(pfuze_chip->regulator_descs));
+        if (client->dev.of_node) {
+                match = of_match_device(of_match_ptr(pfuze_dt_ids),
+                                &client->dev);
+                if (!match) {
+                        dev_err(&client->dev, "Error: No device match found\n");
+                        return -ENODEV;
+                }
+                pfuze_chip->chip_id = (int)(long)match->data;
+        } else if (id) {
+                pfuze_chip->chip_id = id->driver_data;
+        } else {
+                dev_err(&client->dev, "No dts match or id table match found\n");
+                return -ENODEV;
+        }
 
+        i2c_set_clientdata(client, pfuze_chip);
         pfuze_chip->dev = &client->dev;
 
         pfuze_chip->regmap = devm_regmap_init_i2c(client, &pfuze_regmap_config);
@@ -380,11 +447,34 @@ static int pfuze100_regulator_probe(struct i2c_client *client,
                 return ret;
         }
 
+        /* use the right regulators after identify the right device */
+        switch (pfuze_chip->chip_id) {
+        case PFUZE200:
+                pfuze_regulators = pfuze200_regulators;
+                regulator_num = ARRAY_SIZE(pfuze200_regulators);
+                sw_check_start = PFUZE200_SW2;
+                sw_check_end = PFUZE200_SW3B;
+                break;
+
+        case PFUZE100:
+        default:
+                pfuze_regulators = pfuze100_regulators;
+                regulator_num = ARRAY_SIZE(pfuze100_regulators);
+                sw_check_start = PFUZE100_SW2;
+                sw_check_end = PFUZE100_SW4;
+                break;
+        }
+        dev_info(&client->dev, "pfuze%s found.\n",
+                (pfuze_chip->chip_id == PFUZE100) ? "100" : "200");
+
+        memcpy(pfuze_chip->regulator_descs, pfuze_regulators,
+                sizeof(pfuze_chip->regulator_descs));
+
         ret = pfuze_parse_regulators_dt(pfuze_chip);
         if (ret)
                 return ret;
 
-        for (i = 0; i < PFUZE100_MAX_REGULATOR; i++) {
+        for (i = 0; i < regulator_num; i++) {
                 struct regulator_init_data *init_data;
                 struct regulator_desc *desc;
                 int val;
@@ -397,7 +487,7 @@ static int pfuze100_regulator_probe(struct i2c_client *client,
                         init_data = match_init_data(i);
 
                 /* SW2~SW4 high bit check and modify the voltage value table */
-                if (i > PFUZE100_SW1C && i < PFUZE100_SWBST) {
+                if (i >= sw_check_start && i <= sw_check_end) {
                         regmap_read(pfuze_chip->regmap, desc->vsel_reg, &val);
                         if (val & 0x40) {
                                 desc->min_uV = 800000;
@@ -415,7 +505,7 @@ static int pfuze100_regulator_probe(struct i2c_client *client,
                         devm_regulator_register(&client->dev, desc, &config);
                 if (IS_ERR(pfuze_chip->regulators[i])) {
                         dev_err(&client->dev, "register regulator%s failed\n",
-                                pfuze100_regulators[i].desc.name);
+                                pfuze_regulators[i].desc.name);
                         return PTR_ERR(pfuze_chip->regulators[i]);
                 }
         }
diff --git a/include/linux/regulator/pfuze100.h b/include/linux/regulator/pfuze100.h
index 65d550bf3954..364f7a7c43db 100644
--- a/include/linux/regulator/pfuze100.h
+++ b/include/linux/regulator/pfuze100.h
@@ -35,6 +35,20 @@
 #define PFUZE100_VGEN6          14
 #define PFUZE100_MAX_REGULATOR  15
 
+#define PFUZE200_SW1AB          0
+#define PFUZE200_SW2            1
+#define PFUZE200_SW3A           2
+#define PFUZE200_SW3B           3
+#define PFUZE200_SWBST          4
+#define PFUZE200_VSNVS          5
+#define PFUZE200_VREFDDR        6
+#define PFUZE200_VGEN1          7
+#define PFUZE200_VGEN2          8
+#define PFUZE200_VGEN3          9
+#define PFUZE200_VGEN4          10
+#define PFUZE200_VGEN5          11
+#define PFUZE200_VGEN6          12
+
 struct regulator_init_data;
 
 struct pfuze_regulator_platform_data {