From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Brown Subject: Applied "mfd: rn5t618: Add Ricoh RN5T567 PMIC support" to the regulator tree Date: Wed, 29 Jun 2016 19:05:27 +0100 Message-ID: References: <20160626011515.4428-3-stefan@agner.ch> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20160626011515.4428-3-stefan@agner.ch> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Stefan Agner Cc: mark.rutland@arm.com, pawel.moll@arm.com, max.oss.09@gmail.com, khilman@baylibre.com, ijc+devicetree@hellion.org.uk, lgirdwood@gmail.com, robh+dt@kernel.org, linux@armlinux.org.uk, b.galvani@gmail.com, devicetree@vger.kernel.org, broonie@kernel.org, marcel@ziswiler.com, galak@codeaurora.org, carlo@caione.org, linux-amlogic@lists.infradead.org, lee.jones@linaro.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org List-Id: devicetree@vger.kernel.org The patch mfd: rn5t618: Add Ricoh RN5T567 PMIC support has been applied to the regulator tree at git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator.git All being well this means that it will be integrated into the linux-next tree (usually sometime in the next 24 hours) and sent to Linus during the next merge window (or sooner if it is a bug fix), however if problems are discovered then the patch may be dropped or reverted. 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Thanks, Mark >>From a99ab50dbbb1f982d076d19e0a9959fe2efa3126 Mon Sep 17 00:00:00 2001 From: Stefan Agner Date: Tue, 28 Jun 2016 22:53:19 -0700 Subject: [PATCH] mfd: rn5t618: Add Ricoh RN5T567 PMIC support The Ricoh RN5T567 is from the same family as the Ricoh RN5T618 is, the differences are: + DCDC4 + Slightly different output voltage/currents + 32kHz Output - ADC/Charger capabilities Signed-off-by: Stefan Agner Reviewed-by: Marcel Ziswiler Acked-by: Rob Herring Signed-off-by: Lee Jones --- Documentation/devicetree/bindings/mfd/rn5t618.txt | 19 +++++++++-------- drivers/mfd/Kconfig | 7 ++++--- drivers/mfd/rn5t618.c | 25 ++++++++++++++++------- include/linux/mfd/rn5t618.h | 12 +++++++++++ 4 files changed, 45 insertions(+), 18 deletions(-) diff --git a/Documentation/devicetree/bindings/mfd/rn5t618.txt b/Documentation/devicetree/bindings/mfd/rn5t618.txt index 937785a3eddc..9e6770b105c9 100644 --- a/Documentation/devicetree/bindings/mfd/rn5t618.txt +++ b/Documentation/devicetree/bindings/mfd/rn5t618.txt @@ -1,18 +1,21 @@ -* Ricoh RN5T618 PMIC +* Ricoh RN5T567/RN5T618 PMIC -Ricoh RN5T618 is a power management IC which integrates 3 step-down -DCDC converters, 7 low-dropout regulators, a Li-ion battery charger, -fuel gauge, ADC, GPIOs and a watchdog timer. It can be controlled -through a I2C interface. +Ricoh RN5T567/RN5T618 is a power management IC family which integrates +3 to 4 step-down DCDC converters, 7 low-dropout regulators, GPIOs and +a watchdog timer. The RN5T618 provides additionally a Li-ion battery +charger, fuel gauge and an ADC. It can be controlled through an I2C +interface. Required properties: - - compatible: should be "ricoh,rn5t618" + - compatible: must be one of + "ricoh,rn5t567" + "ricoh,rn5t618" - reg: the I2C slave address of the device Sub-nodes: - regulators: the node is required if the regulator functionality is - needed. The valid regulator names are: DCDC1, DCDC2, DCDC3, LDO1, - LDO2, LDO3, LDO4, LDO5, LDORTC1 and LDORTC2. + needed. The valid regulator names are: DCDC1, DCDC2, DCDC3, DCDC4 + (RN5T567), LDO1, LDO2, LDO3, LDO4, LDO5, LDORTC1 and LDORTC2. The common bindings for each individual regulator can be found in: Documentation/devicetree/bindings/regulator/regulator.txt diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index 1bcf601de5bc..ff031a7735a5 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -852,13 +852,14 @@ config MFD_RK808 including interrupts, RTC, LDO & DCDC regulators, and onkey. config MFD_RN5T618 - tristate "Ricoh RN5T5618 PMIC" + tristate "Ricoh RN5T567/618 PMIC" depends on I2C + depends on OF select MFD_CORE select REGMAP_I2C help - Say yes here to add support for the Ricoh RN5T618 PMIC. This - driver provides common support for accessing the device, + Say yes here to add support for the Ricoh RN5T567 or R5T618 PMIC. + This driver provides common support for accessing the device, additional drivers must be enabled in order to use the functionality of the device. diff --git a/drivers/mfd/rn5t618.c b/drivers/mfd/rn5t618.c index 0ad51d792feb..c86160d3a773 100644 --- a/drivers/mfd/rn5t618.c +++ b/drivers/mfd/rn5t618.c @@ -2,6 +2,7 @@ * MFD core driver for Ricoh RN5T618 PMIC * * Copyright (C) 2014 Beniamino Galvani + * Copyright (C) 2016 Toradex AG * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -15,6 +16,7 @@ #include #include #include +#include #include static const struct mfd_cell rn5t618_cells[] = { @@ -59,17 +61,32 @@ static void rn5t618_power_off(void) RN5T618_SLPCNT_SWPWROFF, RN5T618_SLPCNT_SWPWROFF); } +static const struct of_device_id rn5t618_of_match[] = { + { .compatible = "ricoh,rn5t567", .data = (void *)RN5T567 }, + { .compatible = "ricoh,rn5t618", .data = (void *)RN5T618 }, + { } +}; +MODULE_DEVICE_TABLE(of, rn5t618_of_match); + static int rn5t618_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id) { + const struct of_device_id *of_id; struct rn5t618 *priv; int ret; + of_id = of_match_device(rn5t618_of_match, &i2c->dev); + if (!of_id) { + dev_err(&i2c->dev, "Failed to find matching DT ID\n"); + return -EINVAL; + } + priv = devm_kzalloc(&i2c->dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; i2c_set_clientdata(i2c, priv); + priv->variant = (long)of_id->data; priv->regmap = devm_regmap_init_i2c(i2c, &rn5t618_regmap_config); if (IS_ERR(priv->regmap)) { @@ -105,12 +122,6 @@ static int rn5t618_i2c_remove(struct i2c_client *i2c) return 0; } -static const struct of_device_id rn5t618_of_match[] = { - { .compatible = "ricoh,rn5t618" }, - { } -}; -MODULE_DEVICE_TABLE(of, rn5t618_of_match); - static const struct i2c_device_id rn5t618_i2c_id[] = { { } }; @@ -129,5 +140,5 @@ static struct i2c_driver rn5t618_i2c_driver = { module_i2c_driver(rn5t618_i2c_driver); MODULE_AUTHOR("Beniamino Galvani "); -MODULE_DESCRIPTION("Ricoh RN5T618 MFD driver"); +MODULE_DESCRIPTION("Ricoh RN5T567/618 MFD driver"); MODULE_LICENSE("GPL v2"); diff --git a/include/linux/mfd/rn5t618.h b/include/linux/mfd/rn5t618.h index c72d5344f3b3..54179c2577ae 100644 --- a/include/linux/mfd/rn5t618.h +++ b/include/linux/mfd/rn5t618.h @@ -20,6 +20,7 @@ #define RN5T618_OTPVER 0x01 #define RN5T618_IODAC 0x02 #define RN5T618_VINDAC 0x03 +#define RN5T618_OUT32KEN 0x05 #define RN5T618_CPUCNT 0x06 #define RN5T618_PSWR 0x07 #define RN5T618_PONHIS 0x09 @@ -38,6 +39,7 @@ #define RN5T618_DC1_SLOT 0x16 #define RN5T618_DC2_SLOT 0x17 #define RN5T618_DC3_SLOT 0x18 +#define RN5T618_DC4_SLOT 0x19 #define RN5T618_LDO1_SLOT 0x1b #define RN5T618_LDO2_SLOT 0x1c #define RN5T618_LDO3_SLOT 0x1d @@ -54,12 +56,16 @@ #define RN5T618_DC2CTL2 0x2f #define RN5T618_DC3CTL 0x30 #define RN5T618_DC3CTL2 0x31 +#define RN5T618_DC4CTL 0x32 +#define RN5T618_DC4CTL2 0x33 #define RN5T618_DC1DAC 0x36 #define RN5T618_DC2DAC 0x37 #define RN5T618_DC3DAC 0x38 +#define RN5T618_DC4DAC 0x39 #define RN5T618_DC1DAC_SLP 0x3b #define RN5T618_DC2DAC_SLP 0x3c #define RN5T618_DC3DAC_SLP 0x3d +#define RN5T618_DC4DAC_SLP 0x3e #define RN5T618_DCIREN 0x40 #define RN5T618_DCIRQ 0x41 #define RN5T618_DCIRMON 0x42 @@ -221,8 +227,14 @@ enum { RN5T618_REG_NUM, }; +enum { + RN5T567 = 0, + RN5T618, +}; + struct rn5t618 { struct regmap *regmap; + long variant; }; #endif /* __LINUX_MFD_RN5T618_H */ -- 2.8.1