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Add regulator driver for STM32 voltage reference buffer which can be
used as voltage reference for ADCs, DACs and external components through
dedicated VREF+ pin.
Signed-off-by: Fabrice Gasnier <[email protected]>
Signed-off-by: Patrice Chotard <[email protected]>
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Add regulator bindings to get access to regulator managed
by drivers/power/regulator/stpmu1.c regulator driver.
Signed-off-by: Christophe Kerello <[email protected]>
Signed-off-by: Patrick Delaunay <[email protected]>
Signed-off-by: Patrice Chotard <[email protected]>
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Enable support for the regulator functions of the STPMU1X PMIC. The
driver implements get/set api for the various BUCKS and LDOs supported
by the PMIC device. This driver is controlled by a device tree node
which includes voltage limits.
Signed-off-by: Christophe Kerello <[email protected]>
Signed-off-by: Patrick Delaunay <[email protected]>
Signed-off-by: Patrice Chotard <[email protected]>
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Use live tree compatible api for pwm regulator.
Signed-off-by: Andy Yan <[email protected]>
Reviewed-by: Kever Yang <[email protected]>
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max77686 pmic is supporting with max77686.c under pmic/ and regulator/
direnctroy. Remove pmic_max77686.c what didn't use anywhere.
Instead, enable CONFIG_DM_REGULATOR_MAX77686 and
CONFIG_DM_PMIC_MAX77686.
Signed-off-by: Jaehoon Chung <[email protected]>
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When U-Boot started using SPDX tags we were among the early adopters and
there weren't a lot of other examples to borrow from. So we picked the
area of the file that usually had a full license text and replaced it
with an appropriate SPDX-License-Identifier: entry. Since then, the
Linux Kernel has adopted SPDX tags and they place it as the very first
line in a file (except where shebangs are used, then it's second line)
and with slightly different comment styles than us.
In part due to community overlap, in part due to better tag visibility
and in part for other minor reasons, switch over to that style.
This commit changes all instances where we have multiple licenses (in
these cases, dual license) declared in the SPDX-License-Identifier tag.
In this case we change from listing "LICENSE-A LICENSE-B" or "LICENSE-A
or LICENSE-B" or "(LICENSE-A OR LICENSE-B)" to "LICENSE-A OR LICENSE-B"
as per the Linux Kernel style document. Note that parenthesis are
allowed so when they were used before we continue to use them.
Reviewed-by: Fabio Estevam <[email protected]>
Signed-off-by: Tom Rini <[email protected]>
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When U-Boot started using SPDX tags we were among the early adopters and
there weren't a lot of other examples to borrow from. So we picked the
area of the file that usually had a full license text and replaced it
with an appropriate SPDX-License-Identifier: entry. Since then, the
Linux Kernel has adopted SPDX tags and they place it as the very first
line in a file (except where shebangs are used, then it's second line)
and with slightly different comment styles than us.
In part due to community overlap, in part due to better tag visibility
and in part for other minor reasons, switch over to that style.
This commit changes all instances where we have a single declared
license in the tag as both the before and after are identical in tag
contents. There's also a few places where I found we did not have a tag
and have introduced one.
Signed-off-by: Tom Rini <[email protected]>
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As ret is not set when calling max77693_get_vcell() there is no
need to check ret again.
Signed-off-by: Heinrich Schuchardt <[email protected]>
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We have a large number of places where while we historically referenced
gd in the code we no longer do, as well as cases where the code added
that line "just in case" during development and never dropped it.
Signed-off-by: Tom Rini <[email protected]>
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We should not evaluate the value of reg before its value is set.
Signed-off-by: Heinrich Schuchardt <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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This driver implements register read/write operations for STPMU1.
The STPMU1 PMIC provides 4 BUCKs, 6 LDOs, 1 VREF
and 2 power switches. It is accessed via an I2C interface.
This device is used with STM32MP1 SoCs.
Signed-off-by: Patrick Delaunay <[email protected]>
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Add simple and meaningful kconfig option for pmic_bus.c
instead of using MACH type on Makefile.
Signed-off-by: Jagan Teki <[email protected]>
Acked-by: Maxime Ripard <[email protected]>
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Thomas reported U-Boot failed to build host tools if libfdt-devel
package is installed because tools include libfdt headers from
/usr/include/ instead of using internal ones.
This commit moves the header code:
include/libfdt.h -> include/linux/libfdt.h
include/libfdt_env.h -> include/linux/libfdt_env.h
and replaces include directives:
#include <libfdt.h> -> #include <linux/libfdt.h>
#include <libfdt_env.h> -> #include <linux/libfdt_env.h>
Reported-by: Thomas Petazzoni <[email protected]>
Signed-off-by: Masahiro Yamada <[email protected]>
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Allow the dm driver be omitted by SPL.
Signed-off-by: Peng Fan <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
Cc: Jaehoon Chung <[email protected]>
Cc: Stefano Babic <[email protected]>
Reviewed-by: Jaehoon Chung <[email protected]>
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Add the probe function to support the s2mps11 regulator driver.
Signed-off-by: Jaehoon Chung <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
Tested-by: Anand Moon <[email protected]>
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exynos5422 has the s2mps11 PMIC.
s2mps11 pmic has the 10-BUCK and 38-LDO regulators.
Each IP and devices in exynos5422 can be controlled by each regulators.
This patch is support for s2mps11 regulator driver.
Signed-off-by: Jaehoon Chung <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
Tested-by: Anand Moon <[email protected]>
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In order to discard this code when unused in SPL we need to guard the
command with a check for CONFIG_SPL_BUILD and we rearrange the code
slightly to make this cleaner.
Cc: Jaehoon Chung <[email protected]>
Signed-off-by: Tom Rini <[email protected]>
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The patch replaces the former error() by the new pr_err().
This makes the TPS65910 driver conform to Masahiro's patch
'treewide:replace with error() with pr_err()' introduced
October 2017.
Signed-off-by: Felix Brack <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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Texas Instrument's TPS65910 PMIC contains 3 buck DC-DC converts, one
boost DC-DC converter and 8 LDOs. This patch implements driver model
support for the TPS65910 PMIC and its regulators making the get/set
API for regulator value/enable available.
This patch depends on the patch "am33xx: Add a function to query MPU
voltage in uV" to build correctly. For boards relying on the DT
include file tps65910.dtsi the v3 patch "power: extend prefix match
to regulator-name property" and an appropriate regulator naming is
also required.
Signed-off-by: Felix Brack <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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This patch extends pmic_bind_children prefix matching. In addition to
the node name the property regulator-name is used while trying to match
prefixes. This allows assigning different drivers to regulator nodes
named regulator@1 and regulator@10 for example.
I have discarded the idea of using other properties then regulator-name
as I do not see any benefit in using property compatible or even
regulator-compatible. Of course I am open to change this if there are
good reasons to do so.
Signed-off-by: Felix Brack <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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U-Boot widely uses error() as a bit noisier variant of printf().
This macro causes name conflict with the following line in
include/linux/compiler-gcc.h:
# define __compiletime_error(message) __attribute__((error(message)))
This prevents us from using __compiletime_error(), and makes it
difficult to fully sync BUILD_BUG macros with Linux. (Notice
Linux's BUILD_BUG_ON_MSG is implemented by using compiletime_assert().)
Let's convert error() into now treewide-available pr_err().
Done with the help of Coccinelle, excluing tools/ directory.
The semantic patch I used is as follows:
// <smpl>
@@@@
-error
+pr_err
(...)
// </smpl>
Signed-off-by: Masahiro Yamada <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
[trini: Re-run Coccinelle]
Signed-off-by: Tom Rini <[email protected]>
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The Makefile already tests for SPL_DM_REGULATOR_FIXED, but Kconfig
does not provide it. This adds SPL_DM_REGULATOR_FIXED to Kconfig.
Signed-off-by: Philipp Tomsich <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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In the TI SOCs a PBIAS cell exists to provide a bias voltage to the MMC1
IO cells. Without this bias voltage these I/O cells can not function
properly. The PBIAS cell is controlled by software.
Signed-off-by: Jean-Jacques Hiblot <[email protected]>
Reviewed-by: Tom Rini <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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Remove header file includes that have been left over after the
conversion to livetree-support.
Signed-off-by: Philipp Tomsich <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
Acked-by: Philipp Tomsich <[email protected]>
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Add a convenience macro to iterate over subnodes of a node. Make use of
this where appropriate in the code.
Signed-off-by: Simon Glass <[email protected]>
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It is not necessary that ldo1 is used to power on mmc.
So, add support for passing ldo registers for powering on mmc.
Reviewed-by: Tom Rini <[email protected]>
Signed-off-by: Lokesh Vutla <[email protected]>
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Some LDOs have a bypass capability. Make sure that the bypass is disabled
when is the LDO is enabled (otherwise the voltage can't be changed).
Signed-off-by: Jean-Jacques Hiblot <[email protected]>
Reviewed-by: Keerthy <[email protected]>
Reviewed-by: Tom Rini <[email protected]>
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Modify palmas_mmc1_poweron_ldo() API to set the voltage based on the
voltage parameter passed as argument instead of always setting it to
3.0V. This allows MMC1 to set the LDO1 regulator voltage to 3.3V or 1.8V.
1.8V is required to add support for UHS mode.
Signed-off-by: Kishon Vijay Abraham I <[email protected]>
Signed-off-by: Jean-Jacques Hiblot <[email protected]>
Reviewed-by: Tom Rini <[email protected]>
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Convert this PMIC driver to driver model and fix up other users. The
regulator and GPIO functions are now handled by separate drivers.
Update nyan-big to work correct. Three boards will need to be updated by
the maintainers: apalis-tk1, cei-tk1-som. Also the TODO in the code re
as3722_sd_set_voltage() needs to be completed.
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Lukasz Majewski <[email protected]>
Tested-by: Marcel Ziswiler <[email protected]>
Tested-on: Jetson-TK1
Tested-by: Stephen Warren <[email protected]>
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This pmic includes GPIOs which should have their own driver. Add
a driver to support these.
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Lukasz Majewski <[email protected]>
Tested-by: Marcel Ziswiler <[email protected]>
Tested-on: Beaver, Jetson-TK1
Tested-by: Stephen Warren <[email protected]>
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This pmic includes regulators which should have their own driver. Add
a driver to support these.
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Lukasz Majewski <[email protected]>
Tested-by: Marcel Ziswiler <[email protected]>
Tested-on: Beaver, Jetson-TK1
Tested-by: Stephen Warren <[email protected]>
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The regulator_enable() should be called from upper layer like
regulators_enable_boot_on(), remove it from pwm regulator driver.
Signed-off-by: Kever Yang <[email protected]>
Acked-by: Philipp Tomsich <[email protected]>
Reviewed-by: Philipp Tomsich <[email protected]>
[fixed up typo in commit message:]
Signed-off-by: Philipp Tomsich <[email protected]>
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The rkpwm reg order has fixed by below patch:
e3ef41d rockchip: pwm: fix the register layout for the PWM controller
We need to correct the parameter order for pwm_set_config() to make
the pwm regulator works correctly.
Signed-off-by: Kever Yang <[email protected]>
Acked-by: Philipp Tomsich <[email protected]>
Reviewed-by: Philipp Tomsich <[email protected]>
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get_enable should be able to return error values. Hence change
the return type to integer.
Signed-off-by: Keerthy <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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get_enable should be able to return error values. Hence change
the return type to integer.
Signed-off-by: Keerthy <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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get_enable should be able to return error values. Hence change
the return type to integer.
Signed-off-by: Keerthy <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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get_enable should be able to return error values. Hence change
the return type to integer.
Signed-off-by: Keerthy <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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get_enable should be able to return error values. Hence change
the return type to integer.
Signed-off-by: Keerthy <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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get_enable should be able to return error values. Hence change
the return type to integer.
Signed-off-by: Keerthy <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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get_enable should be able to return error values. Hence change
the return type to integer.
Signed-off-by: Keerthy <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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get_enable should be able to return error values. Hence change
the return type to integer.
Signed-off-by: Keerthy <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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get_enable should be able to return error values. Hence change
the return type to integer.
Signed-off-by: Keerthy <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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get_enable should be able to return error values. Hence change
the return type to integer.
Signed-off-by: Keerthy <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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get_enable should be able to return error values. Hence change
the return type to integer.
Signed-off-by: Keerthy <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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Change get_enable return type to int so errors can be returned.
Signed-off-by: Keerthy <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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The RK818 PMIC contains a charger. Add very basic charger functionality
to be able to regulate the USB input current and charger shutdown limits.
Signed-off-by: Wadim Egorov <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
Acked-by: Philipp Tomsich <[email protected]>
Reviewed-by: Philipp Tomsich <[email protected]>
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Enabling CONFIG_SPL_POWER_SUPPORT will cause a compiler warning:
‘get_ldo_reg’ defined but not used [-Wunused-function]
Let's wrap get_ldo_reg(), rk808_ldo and rk818_ldo with ENABLE_DRIVER
which is only set for non SPL builds.
Signed-off-by: Wadim Egorov <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
Acked-by: Philipp Tomsich <[email protected]>
Reviewed-by: Philipp Tomsich <[email protected]>
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