]> git.karo-electronics.de Git - linux-beck.git/commitdiff
mfd: sec-core: Add support for S2MPU02 device
authorChanwoo Choi <cw00.choi@samsung.com>
Wed, 25 Jun 2014 07:14:44 +0000 (16:14 +0900)
committerLee Jones <lee.jones@linaro.org>
Wed, 9 Jul 2014 13:58:11 +0000 (14:58 +0100)
Add support for Samsung S2MPU02 PMIC device to the MFD sec-core driver.
The S2MPU02 device includes PMIC/RTC/Clock devices.

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
drivers/mfd/sec-core.c
drivers/mfd/sec-irq.c
include/linux/mfd/samsung/core.h
include/linux/mfd/samsung/irq.h
include/linux/mfd/samsung/s2mpu02.h [new file with mode: 0644]

index be06d0abbf19f8b171c7554a5474afa861fb889e..15ba847b3d236f1b6e156891ebe223faa6b708a6 100644 (file)
@@ -89,6 +89,15 @@ static const struct mfd_cell s2mpa01_devs[] = {
        },
 };
 
+static const struct mfd_cell s2mpu02_devs[] = {
+       { .name = "s2mpu02-pmic", },
+       { .name = "s2mpu02-rtc", },
+       {
+               .name = "s2mpu02-clk",
+               .of_compatible = "samsung,s2mpu02-clk",
+       }
+};
+
 #ifdef CONFIG_OF
 static const struct of_device_id sec_dt_match[] = {
        {       .compatible = "samsung,s5m8767-pmic",
@@ -102,6 +111,9 @@ static const struct of_device_id sec_dt_match[] = {
        }, {
                .compatible = "samsung,s2mpa01-pmic",
                .data = (void *)S2MPA01,
+       }, {
+               .compatible = "samsung,s2mpu02-pmic",
+               .data = (void *)S2MPU02,
        }, {
                /* Sentinel */
        },
@@ -250,9 +262,10 @@ static int sec_pmic_probe(struct i2c_client *i2c,
 {
        struct sec_platform_data *pdata = dev_get_platdata(&i2c->dev);
        const struct regmap_config *regmap;
+       const struct mfd_cell *sec_devs;
        struct sec_pmic_dev *sec_pmic;
        unsigned long device_type;
-       int ret;
+       int ret, num_sec_devs;
 
        sec_pmic = devm_kzalloc(&i2c->dev, sizeof(struct sec_pmic_dev),
                                GFP_KERNEL);
@@ -319,34 +332,39 @@ static int sec_pmic_probe(struct i2c_client *i2c,
 
        switch (sec_pmic->device_type) {
        case S5M8751X:
-               ret = mfd_add_devices(sec_pmic->dev, -1, s5m8751_devs,
-                                     ARRAY_SIZE(s5m8751_devs), NULL, 0, NULL);
+               sec_devs = s5m8751_devs;
+               num_sec_devs = ARRAY_SIZE(s5m8751_devs);
                break;
        case S5M8763X:
-               ret = mfd_add_devices(sec_pmic->dev, -1, s5m8763_devs,
-                                     ARRAY_SIZE(s5m8763_devs), NULL, 0, NULL);
+               sec_devs = s5m8763_devs;
+               num_sec_devs = ARRAY_SIZE(s5m8763_devs);
                break;
        case S5M8767X:
-               ret = mfd_add_devices(sec_pmic->dev, -1, s5m8767_devs,
-                                     ARRAY_SIZE(s5m8767_devs), NULL, 0, NULL);
+               sec_devs = s5m8767_devs;
+               num_sec_devs = ARRAY_SIZE(s5m8767_devs);
                break;
        case S2MPA01:
-               ret = mfd_add_devices(sec_pmic->dev, -1, s2mpa01_devs,
-                                     ARRAY_SIZE(s2mpa01_devs), NULL, 0, NULL);
+               sec_devs = s2mpa01_devs;
+               num_sec_devs = ARRAY_SIZE(s2mpa01_devs);
                break;
        case S2MPS11X:
-               ret = mfd_add_devices(sec_pmic->dev, -1, s2mps11_devs,
-                                     ARRAY_SIZE(s2mps11_devs), NULL, 0, NULL);
+               sec_devs = s2mps11_devs;
+               num_sec_devs = ARRAY_SIZE(s2mps11_devs);
                break;
        case S2MPS14X:
-               ret = mfd_add_devices(sec_pmic->dev, -1, s2mps14_devs,
-                                     ARRAY_SIZE(s2mps14_devs), NULL, 0, NULL);
+               sec_devs = s2mps14_devs;
+               num_sec_devs = ARRAY_SIZE(s2mps14_devs);
+               break;
+       case S2MPU02:
+               sec_devs = s2mpu02_devs;
+               num_sec_devs = ARRAY_SIZE(s2mpu02_devs);
                break;
        default:
                /* If this happens the probe function is problem */
                BUG();
        }
-
+       ret = mfd_add_devices(sec_pmic->dev, -1, sec_devs, num_sec_devs, NULL,
+                             0, NULL);
        if (ret)
                goto err_mfd;
 
index 654e2c1dbf7a61cc9884ed78f3006d2bf332f1be..f9a57869e3ece6f842ce7f99fd176d1cfea796b7 100644 (file)
@@ -20,6 +20,7 @@
 #include <linux/mfd/samsung/irq.h>
 #include <linux/mfd/samsung/s2mps11.h>
 #include <linux/mfd/samsung/s2mps14.h>
+#include <linux/mfd/samsung/s2mpu02.h>
 #include <linux/mfd/samsung/s5m8763.h>
 #include <linux/mfd/samsung/s5m8767.h>
 
@@ -161,6 +162,77 @@ static const struct regmap_irq s2mps14_irqs[] = {
        },
 };
 
+static const struct regmap_irq s2mpu02_irqs[] = {
+       [S2MPU02_IRQ_PWRONF] = {
+               .reg_offset = 0,
+               .mask = S2MPS11_IRQ_PWRONF_MASK,
+       },
+       [S2MPU02_IRQ_PWRONR] = {
+               .reg_offset = 0,
+               .mask = S2MPS11_IRQ_PWRONR_MASK,
+       },
+       [S2MPU02_IRQ_JIGONBF] = {
+               .reg_offset = 0,
+               .mask = S2MPS11_IRQ_JIGONBF_MASK,
+       },
+       [S2MPU02_IRQ_JIGONBR] = {
+               .reg_offset = 0,
+               .mask = S2MPS11_IRQ_JIGONBR_MASK,
+       },
+       [S2MPU02_IRQ_ACOKBF] = {
+               .reg_offset = 0,
+               .mask = S2MPS11_IRQ_ACOKBF_MASK,
+       },
+       [S2MPU02_IRQ_ACOKBR] = {
+               .reg_offset = 0,
+               .mask = S2MPS11_IRQ_ACOKBR_MASK,
+       },
+       [S2MPU02_IRQ_PWRON1S] = {
+               .reg_offset = 0,
+               .mask = S2MPS11_IRQ_PWRON1S_MASK,
+       },
+       [S2MPU02_IRQ_MRB] = {
+               .reg_offset = 0,
+               .mask = S2MPS11_IRQ_MRB_MASK,
+       },
+       [S2MPU02_IRQ_RTC60S] = {
+               .reg_offset = 1,
+               .mask = S2MPS11_IRQ_RTC60S_MASK,
+       },
+       [S2MPU02_IRQ_RTCA1] = {
+               .reg_offset = 1,
+               .mask = S2MPS11_IRQ_RTCA1_MASK,
+       },
+       [S2MPU02_IRQ_RTCA0] = {
+               .reg_offset = 1,
+               .mask = S2MPS11_IRQ_RTCA0_MASK,
+       },
+       [S2MPU02_IRQ_SMPL] = {
+               .reg_offset = 1,
+               .mask = S2MPS11_IRQ_SMPL_MASK,
+       },
+       [S2MPU02_IRQ_RTC1S] = {
+               .reg_offset = 1,
+               .mask = S2MPS11_IRQ_RTC1S_MASK,
+       },
+       [S2MPU02_IRQ_WTSR] = {
+               .reg_offset = 1,
+               .mask = S2MPS11_IRQ_WTSR_MASK,
+       },
+       [S2MPU02_IRQ_INT120C] = {
+               .reg_offset = 2,
+               .mask = S2MPS11_IRQ_INT120C_MASK,
+       },
+       [S2MPU02_IRQ_INT140C] = {
+               .reg_offset = 2,
+               .mask = S2MPS11_IRQ_INT140C_MASK,
+       },
+       [S2MPU02_IRQ_TSD] = {
+               .reg_offset = 2,
+               .mask = S2MPS14_IRQ_TSD_MASK,
+       },
+};
+
 static const struct regmap_irq s5m8767_irqs[] = {
        [S5M8767_IRQ_PWRR] = {
                .reg_offset = 0,
@@ -327,6 +399,16 @@ static const struct regmap_irq_chip s2mps14_irq_chip = {
        .ack_base = S2MPS14_REG_INT1,
 };
 
+static const struct regmap_irq_chip s2mpu02_irq_chip = {
+       .name = "s2mpu02",
+       .irqs = s2mpu02_irqs,
+       .num_irqs = ARRAY_SIZE(s2mpu02_irqs),
+       .num_regs = 3,
+       .status_base = S2MPU02_REG_INT1,
+       .mask_base = S2MPU02_REG_INT1M,
+       .ack_base = S2MPU02_REG_INT1,
+};
+
 static const struct regmap_irq_chip s5m8767_irq_chip = {
        .name = "s5m8767",
        .irqs = s5m8767_irqs,
@@ -351,6 +433,7 @@ int sec_irq_init(struct sec_pmic_dev *sec_pmic)
 {
        int ret = 0;
        int type = sec_pmic->device_type;
+       const struct regmap_irq_chip *sec_irq_chip;
 
        if (!sec_pmic->irq) {
                dev_warn(sec_pmic->dev,
@@ -361,28 +444,19 @@ int sec_irq_init(struct sec_pmic_dev *sec_pmic)
 
        switch (type) {
        case S5M8763X:
-               ret = regmap_add_irq_chip(sec_pmic->regmap_pmic, sec_pmic->irq,
-                                 IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
-                                 sec_pmic->irq_base, &s5m8763_irq_chip,
-                                 &sec_pmic->irq_data);
+               sec_irq_chip = &s5m8763_irq_chip;
                break;
        case S5M8767X:
-               ret = regmap_add_irq_chip(sec_pmic->regmap_pmic, sec_pmic->irq,
-                                 IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
-                                 sec_pmic->irq_base, &s5m8767_irq_chip,
-                                 &sec_pmic->irq_data);
+               sec_irq_chip = &s5m8767_irq_chip;
                break;
        case S2MPS11X:
-               ret = regmap_add_irq_chip(sec_pmic->regmap_pmic, sec_pmic->irq,
-                                 IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
-                                 sec_pmic->irq_base, &s2mps11_irq_chip,
-                                 &sec_pmic->irq_data);
+               sec_irq_chip = &s2mps11_irq_chip;
                break;
        case S2MPS14X:
-               ret = regmap_add_irq_chip(sec_pmic->regmap_pmic, sec_pmic->irq,
-                                 IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
-                                 sec_pmic->irq_base, &s2mps14_irq_chip,
-                                 &sec_pmic->irq_data);
+               sec_irq_chip = &s2mps14_irq_chip;
+               break;
+       case S2MPU02:
+               sec_irq_chip = &s2mpu02_irq_chip;
                break;
        default:
                dev_err(sec_pmic->dev, "Unknown device type %lu\n",
@@ -390,6 +464,10 @@ int sec_irq_init(struct sec_pmic_dev *sec_pmic)
                return -EINVAL;
        }
 
+       ret = regmap_add_irq_chip(sec_pmic->regmap_pmic, sec_pmic->irq,
+                         IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
+                         sec_pmic->irq_base, sec_irq_chip,
+                         &sec_pmic->irq_data);
        if (ret != 0) {
                dev_err(sec_pmic->dev, "Failed to register IRQ chip: %d\n", ret);
                return ret;
index 47d84242940bb7057e15f23ac27666aea41aec71..b5f73de81aad92ce2e3d7470e87f13925de68bd7 100644 (file)
@@ -21,6 +21,7 @@ enum sec_device_type {
        S2MPA01,
        S2MPS11X,
        S2MPS14X,
+       S2MPU02,
 };
 
 /**
index 1224f447356b90a5601fbc1826eb0a67606aeefe..f35af7361b606f630dee92dc7c28e96df7c71c46 100644 (file)
@@ -129,6 +129,30 @@ enum s2mps14_irq {
        S2MPS14_IRQ_NR,
 };
 
+enum s2mpu02_irq {
+       S2MPU02_IRQ_PWRONF,
+       S2MPU02_IRQ_PWRONR,
+       S2MPU02_IRQ_JIGONBF,
+       S2MPU02_IRQ_JIGONBR,
+       S2MPU02_IRQ_ACOKBF,
+       S2MPU02_IRQ_ACOKBR,
+       S2MPU02_IRQ_PWRON1S,
+       S2MPU02_IRQ_MRB,
+
+       S2MPU02_IRQ_RTC60S,
+       S2MPU02_IRQ_RTCA1,
+       S2MPU02_IRQ_RTCA0,
+       S2MPU02_IRQ_SMPL,
+       S2MPU02_IRQ_RTC1S,
+       S2MPU02_IRQ_WTSR,
+
+       S2MPU02_IRQ_INT120C,
+       S2MPU02_IRQ_INT140C,
+       S2MPU02_IRQ_TSD,
+
+       S2MPU02_IRQ_NR,
+};
+
 /* Masks for interrupts are the same as in s2mps11 */
 #define S2MPS14_IRQ_TSD_MASK           (1 << 2)
 
diff --git a/include/linux/mfd/samsung/s2mpu02.h b/include/linux/mfd/samsung/s2mpu02.h
new file mode 100644 (file)
index 0000000..47ae9bc
--- /dev/null
@@ -0,0 +1,201 @@
+/*
+ * s2mpu02.h
+ *
+ * Copyright (c) 2014 Samsung Electronics Co., Ltd
+ *              http://www.samsung.com
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef __LINUX_MFD_S2MPU02_H
+#define __LINUX_MFD_S2MPU02_H
+
+/* S2MPU02 registers */
+enum S2MPU02_reg {
+       S2MPU02_REG_ID,
+       S2MPU02_REG_INT1,
+       S2MPU02_REG_INT2,
+       S2MPU02_REG_INT3,
+       S2MPU02_REG_INT1M,
+       S2MPU02_REG_INT2M,
+       S2MPU02_REG_INT3M,
+       S2MPU02_REG_ST1,
+       S2MPU02_REG_ST2,
+       S2MPU02_REG_PWRONSRC,
+       S2MPU02_REG_OFFSRC,
+       S2MPU02_REG_BU_CHG,
+       S2MPU02_REG_RTCCTRL,
+       S2MPU02_REG_PMCTRL1,
+       S2MPU02_REG_RSVD1,
+       S2MPU02_REG_RSVD2,
+       S2MPU02_REG_RSVD3,
+       S2MPU02_REG_RSVD4,
+       S2MPU02_REG_RSVD5,
+       S2MPU02_REG_RSVD6,
+       S2MPU02_REG_RSVD7,
+       S2MPU02_REG_WRSTEN,
+       S2MPU02_REG_RSVD8,
+       S2MPU02_REG_RSVD9,
+       S2MPU02_REG_RSVD10,
+       S2MPU02_REG_B1CTRL1,
+       S2MPU02_REG_B1CTRL2,
+       S2MPU02_REG_B2CTRL1,
+       S2MPU02_REG_B2CTRL2,
+       S2MPU02_REG_B3CTRL1,
+       S2MPU02_REG_B3CTRL2,
+       S2MPU02_REG_B4CTRL1,
+       S2MPU02_REG_B4CTRL2,
+       S2MPU02_REG_B5CTRL1,
+       S2MPU02_REG_B5CTRL2,
+       S2MPU02_REG_B5CTRL3,
+       S2MPU02_REG_B5CTRL4,
+       S2MPU02_REG_B5CTRL5,
+       S2MPU02_REG_B6CTRL1,
+       S2MPU02_REG_B6CTRL2,
+       S2MPU02_REG_B7CTRL1,
+       S2MPU02_REG_B7CTRL2,
+       S2MPU02_REG_RAMP1,
+       S2MPU02_REG_RAMP2,
+       S2MPU02_REG_L1CTRL,
+       S2MPU02_REG_L2CTRL1,
+       S2MPU02_REG_L2CTRL2,
+       S2MPU02_REG_L2CTRL3,
+       S2MPU02_REG_L2CTRL4,
+       S2MPU02_REG_L3CTRL,
+       S2MPU02_REG_L4CTRL,
+       S2MPU02_REG_L5CTRL,
+       S2MPU02_REG_L6CTRL,
+       S2MPU02_REG_L7CTRL,
+       S2MPU02_REG_L8CTRL,
+       S2MPU02_REG_L9CTRL,
+       S2MPU02_REG_L10CTRL,
+       S2MPU02_REG_L11CTRL,
+       S2MPU02_REG_L12CTRL,
+       S2MPU02_REG_L13CTRL,
+       S2MPU02_REG_L14CTRL,
+       S2MPU02_REG_L15CTRL,
+       S2MPU02_REG_L16CTRL,
+       S2MPU02_REG_L17CTRL,
+       S2MPU02_REG_L18CTRL,
+       S2MPU02_REG_L19CTRL,
+       S2MPU02_REG_L20CTRL,
+       S2MPU02_REG_L21CTRL,
+       S2MPU02_REG_L22CTRL,
+       S2MPU02_REG_L23CTRL,
+       S2MPU02_REG_L24CTRL,
+       S2MPU02_REG_L25CTRL,
+       S2MPU02_REG_L26CTRL,
+       S2MPU02_REG_L27CTRL,
+       S2MPU02_REG_L28CTRL,
+       S2MPU02_REG_LDODSCH1,
+       S2MPU02_REG_LDODSCH2,
+       S2MPU02_REG_LDODSCH3,
+       S2MPU02_REG_LDODSCH4,
+       S2MPU02_REG_SELMIF,
+       S2MPU02_REG_RSVD11,
+       S2MPU02_REG_RSVD12,
+       S2MPU02_REG_RSVD13,
+       S2MPU02_REG_DVSSEL,
+       S2MPU02_REG_DVSPTR,
+       S2MPU02_REG_DVSDATA,
+};
+
+/* S2MPU02 regulator ids */
+enum S2MPU02_regulators {
+       S2MPU02_LDO1,
+       S2MPU02_LDO2,
+       S2MPU02_LDO3,
+       S2MPU02_LDO4,
+       S2MPU02_LDO5,
+       S2MPU02_LDO6,
+       S2MPU02_LDO7,
+       S2MPU02_LDO8,
+       S2MPU02_LDO9,
+       S2MPU02_LDO10,
+       S2MPU02_LDO11,
+       S2MPU02_LDO12,
+       S2MPU02_LDO13,
+       S2MPU02_LDO14,
+       S2MPU02_LDO15,
+       S2MPU02_LDO16,
+       S2MPU02_LDO17,
+       S2MPU02_LDO18,
+       S2MPU02_LDO19,
+       S2MPU02_LDO20,
+       S2MPU02_LDO21,
+       S2MPU02_LDO22,
+       S2MPU02_LDO23,
+       S2MPU02_LDO24,
+       S2MPU02_LDO25,
+       S2MPU02_LDO26,
+       S2MPU02_LDO27,
+       S2MPU02_LDO28,
+       S2MPU02_BUCK1,
+       S2MPU02_BUCK2,
+       S2MPU02_BUCK3,
+       S2MPU02_BUCK4,
+       S2MPU02_BUCK5,
+       S2MPU02_BUCK6,
+       S2MPU02_BUCK7,
+
+       S2MPU02_REGULATOR_MAX,
+};
+
+/* Regulator constraints for BUCKx */
+#define S2MPU02_BUCK1234_MIN_600MV     600000
+#define S2MPU02_BUCK5_MIN_1081_25MV    1081250
+#define S2MPU02_BUCK6_MIN_1700MV       1700000
+#define S2MPU02_BUCK7_MIN_900MV                900000
+
+#define S2MPU02_BUCK1234_STEP_6_25MV   6250
+#define S2MPU02_BUCK5_STEP_6_25MV      6250
+#define S2MPU02_BUCK6_STEP_2_50MV      2500
+#define S2MPU02_BUCK7_STEP_6_25MV      6250
+
+#define S2MPU02_BUCK1234_START_SEL     0x00
+#define S2MPU02_BUCK5_START_SEL                0x4D
+#define S2MPU02_BUCK6_START_SEL                0x28
+#define S2MPU02_BUCK7_START_SEL                0x30
+
+#define S2MPU02_BUCK_RAMP_DELAY                12500
+
+/* Regulator constraints for different types of LDOx */
+#define S2MPU02_LDO_MIN_900MV          900000
+#define S2MPU02_LDO_MIN_1050MV         1050000
+#define S2MPU02_LDO_MIN_1600MV         1600000
+#define S2MPU02_LDO_STEP_12_5MV                12500
+#define S2MPU02_LDO_STEP_25MV          25000
+#define S2MPU02_LDO_STEP_50MV          50000
+
+#define S2MPU02_LDO_GROUP1_START_SEL   0x8
+#define S2MPU02_LDO_GROUP2_START_SEL   0xA
+#define S2MPU02_LDO_GROUP3_START_SEL   0x10
+
+#define S2MPU02_LDO_VSEL_MASK          0x3F
+#define S2MPU02_BUCK_VSEL_MASK         0xFF
+#define S2MPU02_ENABLE_MASK            (0x03 << S2MPU02_ENABLE_SHIFT)
+#define S2MPU02_ENABLE_SHIFT           6
+
+/* On/Off controlled by PWREN */
+#define S2MPU02_ENABLE_SUSPEND         (0x01 << S2MPU02_ENABLE_SHIFT)
+#define S2MPU02_DISABLE_SUSPEND                (0x11 << S2MPU02_ENABLE_SHIFT)
+#define S2MPU02_LDO_N_VOLTAGES         (S2MPU02_LDO_VSEL_MASK + 1)
+#define S2MPU02_BUCK_N_VOLTAGES                (S2MPU02_BUCK_VSEL_MASK + 1)
+
+/* RAMP delay for BUCK1234*/
+#define S2MPU02_BUCK1_RAMP_SHIFT       6
+#define S2MPU02_BUCK2_RAMP_SHIFT       4
+#define S2MPU02_BUCK3_RAMP_SHIFT       2
+#define S2MPU02_BUCK4_RAMP_SHIFT       0
+#define S2MPU02_BUCK1234_RAMP_MASK     0x3
+
+#endif /*  __LINUX_MFD_S2MPU02_H */