diff options
| -rw-r--r-- | doc/device-tree-bindings/pmic/s2mps11.txt | 17 | ||||
| -rw-r--r-- | drivers/power/pmic/Kconfig | 14 | ||||
| -rw-r--r-- | drivers/power/pmic/Makefile | 1 | ||||
| -rw-r--r-- | drivers/power/pmic/s2mps11.c | 62 | ||||
| -rw-r--r-- | include/power/s2mps11.h | 109 |
5 files changed, 203 insertions, 0 deletions
diff --git a/doc/device-tree-bindings/pmic/s2mps11.txt b/doc/device-tree-bindings/pmic/s2mps11.txt new file mode 100644 index 0000000..422f14f --- /dev/null +++ b/doc/device-tree-bindings/pmic/s2mps11.txt @@ -0,0 +1,17 @@ +SAMSUNG, S2MPS11 PMIC + +This file describes the binding info for the PMIC driver: +- drivers/power/pmic/s2mps11.c + +Required properties: +- compatible: "samsung,s2mps11-pmic" +- reg = 0x66 + +With those two properties, the pmic device can be used for read/write only. + +Example: + +s2mps11@66 { + compatible = "samsung,s2mps11-pmic"; + reg = <0x66>; +}; diff --git a/drivers/power/pmic/Kconfig b/drivers/power/pmic/Kconfig index 547fd1a..fb29843 100644 --- a/drivers/power/pmic/Kconfig +++ b/drivers/power/pmic/Kconfig @@ -33,6 +33,20 @@ config DM_PMIC_MAX77686 This config enables implementation of driver-model pmic uclass features for PMIC MAX77686. The driver implements read/write operations. +config PMIC_S2MPS11 + bool "Enable Driver Model for PMIC Samsung S2MPS11" + depends on DM_PMIC + ---help--- + The Samsung S2MPS11 PMIC provides: + - 38 adjustable LDO regulators + - 9 High-Efficiency Buck Converters + - 1 BuckBoost Converter + - RTC with two alarms + - Backup battery charger + - I2C Configuration Interface + This driver provides access to I/O interface only. + Binding info: doc/device-tree-bindings/pmic/s2mps11.txt + config DM_PMIC_SANDBOX bool "Enable Driver Model for emulated Sandbox PMIC " depends on DM_PMIC diff --git a/drivers/power/pmic/Makefile b/drivers/power/pmic/Makefile index 00fde71..91e78f8 100644 --- a/drivers/power/pmic/Makefile +++ b/drivers/power/pmic/Makefile @@ -8,6 +8,7 @@ obj-$(CONFIG_DM_PMIC) += pmic-uclass.o obj-$(CONFIG_DM_PMIC_MAX77686) += max77686.o obj-$(CONFIG_DM_PMIC_PFUZE100) += pfuze100.o +obj-$(CONFIG_PMIC_S2MPS11) += s2mps11.o obj-$(CONFIG_DM_PMIC_SANDBOX) += sandbox.o i2c_pmic_emul.o obj-$(CONFIG_PMIC_ACT8846) += act8846.o obj-$(CONFIG_PMIC_TPS65090) += tps65090.o diff --git a/drivers/power/pmic/s2mps11.c b/drivers/power/pmic/s2mps11.c new file mode 100644 index 0000000..9d83059 --- /dev/null +++ b/drivers/power/pmic/s2mps11.c @@ -0,0 +1,62 @@ +/* + * Copyright (C) 2015 Samsung Electronics + * Przemyslaw Marczak <p.marczak@samsung.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <fdtdec.h> +#include <errno.h> +#include <dm.h> +#include <i2c.h> +#include <power/pmic.h> +#include <power/s2mps11.h> + +DECLARE_GLOBAL_DATA_PTR; + +static int s2mps11_reg_count(struct udevice *dev) +{ + return S2MPS11_REG_COUNT; +} + +static int s2mps11_write(struct udevice *dev, uint reg, const uint8_t *buff, + int len) +{ + int ret; + + ret = dm_i2c_write(dev, reg, buff, len); + if (ret) + error("write error to device: %p register: %#x!", dev, reg); + + return ret; +} + +static int s2mps11_read(struct udevice *dev, uint reg, uint8_t *buff, int len) +{ + int ret; + + ret = dm_i2c_read(dev, reg, buff, len); + if (ret) + error("read error from device: %p register: %#x!", dev, reg); + + return ret; +} + +static struct dm_pmic_ops s2mps11_ops = { + .reg_count = s2mps11_reg_count, + .read = s2mps11_read, + .write = s2mps11_write, +}; + +static const struct udevice_id s2mps11_ids[] = { + { .compatible = "samsung,s2mps11-pmic" }, + { } +}; + +U_BOOT_DRIVER(pmic_s2mps11) = { + .name = "s2mps11_pmic", + .id = UCLASS_PMIC, + .of_match = s2mps11_ids, + .ops = &s2mps11_ops, +}; diff --git a/include/power/s2mps11.h b/include/power/s2mps11.h new file mode 100644 index 0000000..5da4719 --- /dev/null +++ b/include/power/s2mps11.h @@ -0,0 +1,109 @@ +#ifndef __S2MPS11__H__ +#define __S2MPS11__H__ + +enum s2mps11_reg { + S2MPS11_REG_ID = 0, + S2MPS11_REG_INT1, + S2MPS11_REG_INT2, + S2MPS11_REG_INT3, + S2MPS11_REG_INT1M, + S2MPS11_REG_INT2M, + S2MPS11_REG_INT3M, + S2MPS11_REG_STATUS1, + S2MPS11_REG_STATUS2, + S2MPS11_REG_OFFSRC, + S2MPS11_REG_PWRONSRC, + S2MPS11_REG_RTC_CTRL, + S2MPS11_REG_CTRL1, + S2MPS11_REG_ETC_TEST, + S2MPS11_REG_RSVD3, + S2MPS11_REG_BU_CHG, + S2MPS11_REG_RAMP, + S2MPS11_REG_RAMP_BUCK, + S2MPS11_REG_LDO1_8, + S2MPS11_REG_LDO9_16, + S2MPS11_REG_LDO17_24, + S2MPS11_REG_LDO25_32, + S2MPS11_REG_LDO33_38, + S2MPS11_REG_LDO1_8_OVC, + S2MPS11_REG_LDO9_16_OVC, + S2MPS11_REG_LDO17_24_OVC, + S2MPS11_REG_LDO25_32_OVC, + S2MPS11_REG_LDO33_38_OVC, + S2MPS11_REG_RESERVED1, + S2MPS11_REG_RESERVED2, + S2MPS11_REG_RESERVED3, + S2MPS11_REG_RESERVED4, + S2MPS11_REG_RESERVED5, + S2MPS11_REG_RESERVED6, + S2MPS11_REG_RESERVED7, + S2MPS11_REG_RESERVED8, + S2MPS11_REG_WDRSTEN_CTRL, + S2MPS11_REG_B1CTRL1, + S2MPS11_REG_B1CTRL2, + S2MPS11_REG_B2CTRL1, + S2MPS11_REG_B2CTRL2, + S2MPS11_REG_B3CTRL1, + S2MPS11_REG_B3CTRL2, + S2MPS11_REG_B4CTRL1, + S2MPS11_REG_B4CTRL2, + S2MPS11_REG_B5CTRL1, + S2MPS11_REG_BUCK5_SW, + S2MPS11_REG_B5CTRL2, + S2MPS11_REG_B5CTRL3, + S2MPS11_REG_B5CTRL4, + S2MPS11_REG_B5CTRL5, + S2MPS11_REG_B6CTRL1, + S2MPS11_REG_B6CTRL2, + S2MPS11_REG_B7CTRL1, + S2MPS11_REG_B7CTRL2, + S2MPS11_REG_B8CTRL1, + S2MPS11_REG_B8CTRL2, + S2MPS11_REG_B9CTRL1, + S2MPS11_REG_B9CTRL2, + S2MPS11_REG_B10CTRL1, + S2MPS11_REG_B10CTRL2, + S2MPS11_REG_L1CTRL, + S2MPS11_REG_L2CTRL, + S2MPS11_REG_L3CTRL, + S2MPS11_REG_L4CTRL, + S2MPS11_REG_L5CTRL, + S2MPS11_REG_L6CTRL, + S2MPS11_REG_L7CTRL, + S2MPS11_REG_L8CTRL, + S2MPS11_REG_L9CTRL, + S2MPS11_REG_L10CTRL, + S2MPS11_REG_L11CTRL, + S2MPS11_REG_L12CTRL, + S2MPS11_REG_L13CTRL, + S2MPS11_REG_L14CTRL, + S2MPS11_REG_L15CTRL, + S2MPS11_REG_L16CTRL, + S2MPS11_REG_L17CTRL, + S2MPS11_REG_L18CTRL, + S2MPS11_REG_L19CTRL, + S2MPS11_REG_L20CTRL, + S2MPS11_REG_L21CTRL, + S2MPS11_REG_L22CTRL, + S2MPS11_REG_L23CTRL, + S2MPS11_REG_L24CTRL, + S2MPS11_REG_L25CTRL, + S2MPS11_REG_L26CTRL, + S2MPS11_REG_L27CTRL, + S2MPS11_REG_L28CTRL, + S2MPS11_REG_L29CTRL, + S2MPS11_REG_L30CTRL, + S2MPS11_REG_L31CTRL, + S2MPS11_REG_L32CTRL, + S2MPS11_REG_L33CTRL, + S2MPS11_REG_L34CTRL, + S2MPS11_REG_L35CTRL, + S2MPS11_REG_L36CTRL, + S2MPS11_REG_L37CTRL, + S2MPS11_REG_L38CTRL, + S2MPS11_REG_COUNT, +}; + +#define S2MPS11_LDO26_ENABLE 0xec + +#endif |