Quoting Ye Li from NXP:
"We have confirmed with PMIC team, 0x35 is used only on early chips
and not used any more. 0x25 is the final address."
Fix it by merging power_pca9450a_init and power_pca9450b_init into one
function power_pca9450_init.
Signed-off-by: Sébastien Szymanski <sebastien.szymanski@armadeus.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Ye Li <ye.li@nxp.com>
Currently when using OF_PLATDATA the binding between devices and drivers
is done trying to match the compatible string in the node with a driver
name. However, usually a single driver supports multiple compatible strings
which causes that only devices which its compatible string matches a
driver name get bound.
To overcome this issue, this patch adds the U_BOOT_DRIVER_ALIAS macro,
which generates no code at all, but allows an easy way to declare driver
name aliases. Thanks to this, dtoc could be improve to look for the driver
name based on its alias when it populates the U_BOOT_DEVICE entry.
Signed-off-by: Walter Lozano <walter.lozano@collabora.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
When using OF_PLATDATA, the bind process between devices and drivers
is performed trying to match compatible string with driver names.
However driver names are not strictly defined, and also there are different
names used when declaring a driver with U_BOOT_DRIVER, the name of the
symbol used in the linker list and the used in the struct driver_info.
In order to make things a bit more clear, rename the drivers names. This
will also help for further OF_PLATDATA improvements, such as checking
for valid driver names.
Signed-off-by: Walter Lozano <walter.lozano@collabora.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Add a fix for sandbox of-platdata to avoid using an invalid ANSI colour:
Signed-off-by: Simon Glass <sjg@chromium.org>
There maybe an overshoot:
- when disabling, then re-enabling vrefbuf too quickly
- or upon platform reset as external capacitor maybe slow
discharging (VREFBUF is HiZ at reset by default).
VREFBUF is used by ADC/DAC on some boards. An overshoot on the reference
voltage make the conversions inaccurate for a short period of time. So:
- Don't put the VREFBUF in HiZ when disabling, to force an active
discharge.
- Enforce a 1ms OFF/ON delay, also upon reset
Penalty is a 1ms delay is applied (even for a cold boot), when enabling
VREFBUF.
Fixes: 93cf0ae775 ("power: regulator: Add support for stm32-vrefbuf")
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
The fix in commit b7adcdd073 has the side-effect that the regulator
will be disabled when requesting the relevant gpio in
regulator_common_ofdata_to_platdata() and enabled in
regulator_pre_probe() when the regulator was already enabled.
This leads to a short interruption in the 3.3V power to the PCIe
slot on the firefly-rk3399 which makes an ADATA SX8000NP NVMe SSD
unhappy.
Fix this by setting the GPIOD_IS_OUT_ACTIVE flag again when the
'regulator-boot-on' property is set, but check for this property
explicitly instead of relying on the "boot_on" member of
the uclass platdata.
Signed-off-by: Mark Kettenis <kettenis@openbsd.org>
Tested-by: Patrice Chotard <patrice.chotard@st.com>
We should not use typedefs in U-Boot. They cannot be used as forward
declarations which means that header files must include the full header to
access them.
Drop the typedef and rename the struct to remove the _s suffix which is
now not useful.
This requires quite a few header-file additions.
Signed-off-by: Simon Glass <sjg@chromium.org>
Make sure that all devices that are powered up by SPL are powered down
before entering into the u-boot. Otherwise the subsystem/device will
never be powered down by SCFW, due to SPL and u-boot are in different
partitions.
Benefiting from power domain driver, this patch implements the function
"imx8_power_off_pd_devices" to power off all active devices.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
We are currently using SC_R_LAST as a marker for imx8 power domain tree
nodes without a resource attached. This value is compiled into dtb as
part of the linux build and used by uboot.
The SC_R_LAST constant changes frequently as SCFW resources are added
(by design) and every time we need to update linux and uboot headers
together or boot can fail.
Fix this by replacing SC_R_LAST usage with a new constant SC_R_NONE
defined to be 0xFFF0.
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
When fspi is assigned to M4, we have to let the fspi probe failed when
its power domain is failed to power up. Because not all devices have power
domain (for example, external devices on the board). Current checking
resource owner in power domain probe is not good, change to check it in
power on.
Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
For all the devices used and set ACTIVE in U-Boot, U-Boot needs
to power off all of them without the check of resource owner.
When we create software partition before booting Linux, the resource
own checkw will return false, and cause the power domain not powered
off. If without the check of resource owner, the power domain in
the other software partition could be powered off with parent
partition could access child partition resources.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
If without this flag, calling dev_power_domain_ctrl will iteratively remove
the power domain device will causes iteratively power off parent PD. This is
not expected by imx8-power-domain-legacy driver. Power off parent PD is
controlled by the driver internally.
So set DM_FLAG_DEFAULT_PD_CTRL_OFF to avoid such issue
Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Add power_domain_lookup_name interface to power domain uclass to find
a power domain device by its DTB node name, not using its associated
client device.
Through this interface, we can operate the power domain devices directly.
This is needed for non-DM drivers.
Modified from Ye's NXP downstream patch
only for legacy imx8 power domain driver, since we have not migrated
to use new power domain driver.
Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
In some cases U-Boot runs the same binary on different board versions.
In wandboard, for example, there are versions with the PFUZE100 PMIC
populated and others without it.
When the PMIC is not present, it is not really useful to get PMIC error,
so change the error message level to debug instead.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Tested-by: Heiko Schocher <hs@denx.de>
This header relates to ACPI and we are about to add some more ACPI
headers. Move this one into a new directory so they are together.
The header inclusion in pci_rom.c is not specific to x86 anymore, so drop
the #ifdef CONFIG_X86.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This supports i2c DM and enables CONFIG_DM_I2C
for SoC LS1046A
Signed-off-by: Biwen Li <biwen.li@nxp.com>
Signed-off-by: Priyanka Jain <priyanka.jain@nxp.com>
K3 J721E:
* OSPI boot support
* Support for loading remote cores in R5 SPL
* PMIC ESM Support
* Minor fixes for R5F and C7x remoteproc drivers
K3 AM654:
* Update AVS class 0 voltages.
* Add I2C nodes
DRA7xx/AM57xx:
* Fixed Android boot on AM57xx
AM33/AM43/Davinci:
* switch to driver model for the net and mdio driver for baltos
* Add DM/DTS support for omap video driver
* Enable fastboot on am335x-evm
Currently when booting the kernel on i.MX8 U-Boot hangs in an
endless loop when switching off dma, connectivity or lsio power
domains during device removal. It hapens first when removing
gpio0 (gpio@5d080000) device, here its power domain device
'lsio_gpio0' is obtained for switching off power. Since the
obtained 'lsio_gpio0' device is removed afterwards, its power
domain is also switched off and here the parent power domain
device 'lsio_power_domain' is optained for switching off the
power. Thereafter, when the obtained 'lsio_power_domain' is
removed, device_remove() removes its first child 'lsio_gpio0'.
During this child removal the 'lsio_power_domain' device is
obtained again for switching and when removing it later,
the same child removal is repeated, so we are stuck in an
endless loop. Below is a snippet from dm tree on i.MX8QXP
for better illustration of the DM devices relationship:
Class Index Probed Driver Name
-----------------------------------------------------------
root 0 [ + ] root_driver root_driver
...
simple_bus 0 [ + ] generic_simple_bus |-- imx8qx-pm
power_doma 0 [ + ] imx8_power_domain | |-- lsio_power_domain
power_doma 1 [ + ] imx8_power_domain | | |-- lsio_gpio0
power_doma 2 [ + ] imx8_power_domain | | |-- lsio_gpio1
Do not remove a power domain device if it is a parent of the
currently controlled device.
Fixes: 52edfed65d ("dm: core: device: switch off power domain after device removal")
Signed-off-by: Anatolij Gustschin <agust@denx.de>
Reported-by: Oliver Graute <oliver.graute@gmail.com>
Reported-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com>
Tested-by: Fabio Estevam <festevam@gmail.com>
TPS65941 can have child devices under it (like the ESM support), so
probe these once the master pmic node completes probe.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
TPM TEE driver
Various minor sandbox video enhancements
New driver model core utility functions
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Merge tag 'dm-pull-6feb20' of https://gitlab.denx.de/u-boot/custodians/u-boot-dm
sandbox conversion to SDL2
TPM TEE driver
Various minor sandbox video enhancements
New driver model core utility functions
The commit e8e9715df2 ("regulator: fixed: Modify enable-active-high behavior")
fixed the regulator driver behavior when 'enable-active-high' is defined.
Unfortunately, this patch used dm_regulator_platdata()'s "boot_on" member
to set GPIOD_IS_OUT_ACTIVE flag and enable the regulator.
The issue here is that regulator_common_ofdata_to_platdata() is called
_before_ regulator_pre_probe() function in which the 'regulator-boot-on'
property is asserted.
As a result the GPIOD_IS_OUT_ACTIVE flag is not set and gpio_request_by_name()
called in the former function is not enabling the regulator.
This is problematic for e.g. i.MX ethernet driver, which then tries to
perform initialization without power (and fails).
The solution here is to explicitly enable regulator in regulator_pre_probe()
callback only when 'regulator-boot-on' property is present in device tree.
The GPIOD_IS_OUT_ACTIVE flag is not set at all, but relevant gpio is
requested.
Signed-off-by: Lukasz Majewski <lukma@denx.de>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
Tested-by: Patrice Chotard <patrice.chotard@st.com>
At present dm/device.h includes the linux-compatible features. This
requires including linux/compat.h which in turn includes a lot of headers.
One of these is malloc.h which we thus end up including in every file in
U-Boot. Apart from the inefficiency of this, it is problematic for sandbox
which needs to use the system malloc() in some files.
Move the compatibility features into a separate header file.
Signed-off-by: Simon Glass <sjg@chromium.org>
At present devres.h is included in all files that include dm.h but few
make use of it. Also this pulls in linux/compat which adds several more
headers. Drop the automatic inclusion and require files to include devres
themselves. This provides a good indication of which files use devres.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Anatolij Gustschin <agust@denx.de>
This function name conflicts with our desire to #define free() to
something else on sandbox. Since it deals with resources, rename it to
rfree().
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Anatolij Gustschin <agust@denx.de>
This currently reads the uclass's private data in the ofdata_to_platdata
method which is not allowed, since the uclass has not read it from the
device tree. This happens in the probe method.
Fix it by adding a probe() method and moving the code there.
Signed-off-by: Simon Glass <sjg@chromium.org>
At present this method uses a non-const udevice pointer, but the call
should not modify the device. Use a const pointer.
Signed-off-by: Simon Glass <sjg@chromium.org>
Add a driver for the regulators in the the DA9063 PMIC.
Robert Beckett: move regulator modes to header so board code can set
modes. Correct mode mask used in ldo_set_mode.
Add an option CONFIG_SPL_DM_REGULATOR_DA9063.
Signed-off-by: Martin Fuzzey <martin.fuzzey@flowbird.group>
Signed-off-by: Robert Beckett <bob.beckett@collabora.com>
This adds the basic register access operations and child regulator
binding (if a regulator driver exists).
Robert Beckett: simplify accesses by using bottom bit of address as
offset overflow. This avoids the need to track which page we are on.
Add an option CONFIG_SPL_DM_PMIC_DA9063.
Signed-off-by: Martin Fuzzey <martin.fuzzey@flowbird.group>
Signed-off-by: Robert Beckett <bob.beckett@collabora.com>
commit 29f7d05a34 ("dm: core: Move ofdata_to_platdata() call earlier")
introduces changes in the order of device_probe execution.
ofdata_to_platdata now comes before the probe function which resulted in
a deadlock and caused boot hang on AM6 devices.
Deadlock sequence: tps62360_regulator_ofdata_to_platdata --> i2c_get_chip
--> device_probe(tps62360) --> tps62360_regulator_ofdata_to_platdata
Hence convert ofdata_to_platdata to the missing probe function to fix the
hang.
Fixes: 22e8f18980 ("power: regulator: tps6236x: add support for tps6236x regulators")
Signed-off-by: Keerthy <j-keerthy@ti.com>
Tested-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
This patch add power domain support for Mediatek MT7622 SoCs
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Sam Shih <sam.shih@mediatek.com>
PCA9450 PMIC series is used to support iMX8MM (PCA9450A) and
iMX8MN (PCA9450B). Add the PMIC driver for both PCA9450A and PCA9450B.
Signed-off-by: Robin Gong <yibin.gong@nxp.com>
Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Add a driver for the Apollo Lake SoC. It supports the basic operations and
can use device tree or of-platdata.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Intel x86 SoCs have a power manager/controller which handles several
power-related aspects of the platform. Add a uclass for this, with a few
useful operations.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This function belongs in time.h so move it over and add a comment.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
fan53555_regulator_set_value() passes its own dev to pmic_clrsetbits()
instead of its parent (pmic). As result u-boot crashes when you try to
set voltage on fan53555 regulator
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
SYR82X and SYR83X are almost identical to FAN53555, the only difference
is different die ID and revision, voltage ranges and steps.
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Tested-by: Anand Moon <linux.amoon@gmail.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
-------------------
i.MX8MN SoC support
ROM API image download support
i.MX8MM enet enabling
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Merge tag 'u-boot-imx-20191105' of https://gitlab.denx.de/u-boot/custodians/u-boot-imx
u-boot-imx-20191105
-------------------
i.MX8MN SoC support
ROM API image download support
i.MX8MM enet enabling
- Add support for rockchip pmic rk805,rk809, rk816, rk817
- Add rk3399 board Leez support
- Fix bug in rk3328 ram driver
- Adapt SPL to support ATF bl31 with entry at 0x40000
- Fix the u8 type comparision with '-1'.
- Fix checkpatch warning for multi blank line and review signature.
The RK809 is a Power Management IC (PMIC) for multimedia
and handheld devices. They contains the following components:
- Regulators(5*BUCKs, 9*LDOs, 2*SWITCHes)
- RTC
- Clocking
Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
The RK817 is a Power Management IC (PMIC) for multimedia
and handheld devices. They contains the following components:
- Regulators(4*BUCKs, 1* BOOST, 9*LDOs, 1*SWITCH)
- RTC
- Clocking
Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
The RK805 are a Power Management IC (PMIC) for multimedia
and handheld devices. They contains the following components:
- Regulators(4*BUCKs, 3*LDOs)
- RTC
- Clocking
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
The RK816 is a Power Management IC (PMIC) for multimedia
and handheld devices. They contains the following components:
- Regulators(4*BUCKs, 1*BOOST, 6*LDOs, 1*SWITCH)
- RTC
- Clocking
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
In order to adapt the following pmics, make the interface more compatible.
Support buck and ldo suspend voltage setting and getting.
Supprot buck and ldo suspend enable/disable setting and getting.
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
TPS6236x is a family of step down DC-DC converters optimized for battery
powered portable applications for a small solution size. Add a regulator
driver for supporting these devices.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Keerthy <j-keerthy@ti.com>
The power domain tree is not accepted by Linux Kernel upstream.
only a single pd node is used currently, as following:
pd: imx8qx-pd {
compatible = "fsl,imx8qm-scu-pd", "fsl,scu-pd";
#power-domain-cells = <1>;
};
So to migrate to use upstream linux dts, we also need a driver
to support this.
This patch is to support the new method, compared with legacy power
domain tree, it will be simpiler, because each device will
has resource id as power domain index, it will be directly passed
to scfw, and no need to let power domain build that tree. If multiple
power domain is needed, it is the dts node should has correctly power
domains entry added and sequence correct.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
The current i.MX8 power domain driver is based on i.MX vendor
power domain tree which will retire later.
The Linux upstream use a single pd node for power domain driver,
and U-Boot will adopt that. When U-Boot i.MX8 dts synced with
Linux Kernel upstream and related driver ready, the legacy
driver will be removed.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Need to pass total 5 arguments for SIP HAB call on i.MX8MQ,
so update the interface to add new argument.
Signed-off-by: Ye Li <ye.li@nxp.com>
[agust: fixed imx8m-power-domain build]
Signed-off-by: Anatolij Gustschin <agust@denx.de>
Reviewed-by: Patrick Wildt <patrick@blueri.se>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Based on the 54ecb8f7028c ("Linux 5.4-rc1") Everything-Else power domain
driver for Amlogic SoCs.
This driver handles the VPU Power domain and other domains from the
Everything-Else part of the SM1 and G12A SoCs.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Add Amlogic G12A support for the gx-pwrc driver, aligned on the
Linux v5.2 driver.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Anatolij Gustschin <agust@denx.de>
Add dev_power_domain_off() api to disable all the power-domains
corresponding to a device
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Add this new API to power on multiple domains attached
to a device.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com>
Changed to static inline and added a condition into C file:
Signed-off-by: Simon Glass <sjg@chromium.org>
Regulator should not be enabled at probe time if regulator-boot-on
property is not in the dt node.
"enable-active-high" property is only used to indicate the GPIO
polarity.
See kernel documentation :
- Documentation/devicetree/bindings/regulator/fixed-regulator.yaml
- Documentation/devicetree/bindings/regulator/gpio-regulator.yaml
Signed-off-by: Christophe Kerello <christophe.kerello@st.com>
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Add support for the power domain controller that's used on the
i.MX8MQ. This will be needed to be able to power on the PCIe
controller. Bindings taken from Linux, driver implementation
taken from the i.MX8 power domain controller and adjusted for
the i.MX8M SoC.
Signed-off-by: Patrick Wildt <patrick@blueri.se>
Use MISC u-class to export the NVM register (starting at 0xF8 offset)
and avoid specific API.
- SHADOW have offset < 0.
- NVM have register > 0
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
This is a generic implementation. Add CONFIG_SYSRESET_CMD_POWEROFF
to signal when we need it. Enable it from the STPMIC1 config and in
sandbox.
The config flag is transitionary, that is it can be removed after all
poweroff implementations use sysreset, and just have CMD_POWEROFF depend
on sysreset.
Signed-off-by: Urja Rannikko <urjaman@gmail.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Patrick Delaunay <patrick.delaunay@st.com>
Tested-by: Patrick Delaunay <patrick.delaunay@st.com>
Failure log for ti_sci_power_domain_on/off is as below:
"ti_sci_power_domain_on: get/set_device failed (-19)"
The above information is useless for debug without information
on what specific device access failed. So add that information as well.
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
TISCI protocol supports for enabling the device either with exclusive
permissions for the requesting host or with sharing across the hosts.
There are certain devices which are exclusive to Linux context and
there are certain devices that are shared across different host contexts.
So add support for getting this information from DT by increasing
the power-domain cells to 2.
For keeping the DT backward compatibility intact, defaulting the
device permissions to set the exclusive flag set. In this case the
power-domain-cells is 1.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
BD71837 and BD71847 is PMIC intended for powering single-core,
dual-core, and quad-core SoC’s such as NXP-i.MX 8M. BD71847
is used for example on NXP imx8mm EVK.
Add regulator driver for ROHM BD71837 and BD71847 PMICs.
BD71837 contains 8 bucks and 7 LDOS. BD71847 is reduced
version containing 6 bucks and 6 LDOs. Voltages for DVS
bucks (1-4 on BD71837, 1 and 2 on BD71847) can be adjusted
when regulators are enabled. For other bucks and LDOs we may
have over- or undershooting if voltage is adjusted when
regulator is enabled. Thus this is prevented by default.
BD718x7 has a quirk which may leave power output disabled
after reset if enable/disable state was controlled by SW.
Thus the SW control is only allowed for BD71837 bucks
3 and 4 by default. The impact of this limitation must be
evaluated board-by board and restrictions may need to be
modified. (Linux driver get's these limitations from DT and we
may want to implement same on u-Boot driver).
Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Drivers need to be able to enable regulators that may be implemented as
GPIO regulators. Example: fsl_esdhc enables the vqmmc supply which is
commonly implemented as a GPIO regulator in order to switch between I/O
voltage levels.
Signed-off-by: Sven Schwermer <sven@svenschwermer.de>
Reviewed-by: Lukasz Majewski <lukma@denx.de>
In preparation of being able to enable/disable GPIO regulators, the
code that will be shared among the two kinds to regulators is factored
out into its own source files.
Signed-off-by: Sven Schwermer <sven@svenschwermer.de>
Reviewed-by: Lukasz Majewski <lukma@denx.de>
Fixed regulators don't have a set_value method. Therefore, trying to
set their value will always return -ENOSYS.
Signed-off-by: Sven Schwermer <sven@svenschwermer.de>
Cc: Jaehoon Chung <jh80.chung@samsung.com>
Cc: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Add SPL_DM_REGULATOR configs for palmas/lp873x/lp87565. These were missing
and the Makefile already assumes them to be defined. Add the corresponding
SPL config options. This enables the regulator support in SPL.
Signed-off-by: Keerthy <j-keerthy@ti.com>
Add SPL_PMIC configs for palmas/lp873x/lp87565. These were missing
and the Makefile already assumes them to be defined. Add the corresponding
SPL config options. This enables the pmics in SPL.
Signed-off-by: Keerthy <j-keerthy@ti.com>
This patch solves the following warnings:
warning: this statement may fall through [-Wimplicit-fallthrough=]
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
This patch solves the following warnings:
drivers/power/regulator/stm32-vrefbuf.c: In function 'stm32_vrefbuf_set_value':
warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if (uV == stm32_vrefbuf_voltages[i]) {
^~
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Adds support for SYSRESET_POWER_OFF = PMIC power off used by command
power off and introduced by commit 751fed426f ("sysreset: Add a way
to find the last reset").
The driver use SYSRESET_POWER for the PMIC-level power cycle, with restart.
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
https://source.codeaurora.org/external/imx/uboot-imx
cherry picked, styled and merged commits:
- MLK-18387 pmic: Add pmic driver for BD71837: e9a3bec2e95a
- MLK-18590 pmic: bd71837: Change to use new fdt API: acdc5c297a96
Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
The code that sets a regulator by looking up the voltage in a table had
an off by one error. vsel_mask is a bitmask, not the number of table
entries, so a vsel_mask value of 0x7 indicates there are 8, not 7,
entries in the table.
Cc: Peng Fan <Peng.Fan@freescale.com>
Cc: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Trent Piepho <tpiepho@impinj.com>
Add functions to read/update the non volatile memory of STPMIC1
(8 bytes-register at 0xF8 address) and allow access
with fuse command (bank=1, word > 0xF8).
For example:
STM32MP> fuse read 1 0xf8 8
Reading bank 1:
Word 0x000000f8: 000000ee 00000092 000000c0 00000002
Word 0x000000fc: 000000f2 00000080 00000002 00000033
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Alignment with STPMIC1 datasheet
s/MAIN_CONTROL_REG/MAIN_CR/g
s/MASK_RESET_BUCK/BUCKS_MRST_CR/g
s/MASK_RESET_LDOS/LDOS_MRST_CR/g
s/BUCKX_CTRL_REG/BUCKX_MAIN_CR/g
s/VREF_CTRL_REG/REFDDR_MAIN_CR/g
s/LDOX_CTRL_REG/LDOX_MAIN_CR/g
s/USB_CTRL_REG/BST_SW_CR/g
s/STPMIC1_NVM_USER_STATUS_REG/STPMIC1_NVM_SR/g
s/STPMIC1_NVM_USER_CONTROL_REG/STPMIC1_NVM_CR/g
and update all the associated defines.
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Alignment with kernel driver name & binding
introduced by https://patchwork.kernel.org/cover/10761943/
to use the final marketing name = STPMIC1.
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Lukasz Majewski <lukma@denx.de>
Prepare file modification for kernel alignment and
rename driver to stpmic1.
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Lukasz Majewski <lukma@denx.de>
SW impact for Rev 1.2 of STPMIC1 in U-Boot:
Buck converters output voltage change for Buck1
=> Vdd min 0,725 to max 1,5V instead of 0.6V to 1.35V
(see STPMIC1 datasheet / chapter 5.3 Buck converters)
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
As per recent TRM[1], PBIAS cell on dra7 devices supports
3.3v and not 3.0v as documented earlier.
Update PBIAS regulator max voltage and the voltage written
in the driver to reflect this.
[1] http://www.ti.com/lit/pdf/sprui30
Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
According to datasheet, the output on LDO regulators will start
appearing after 10-15 us.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Tested-by: Anand Moon <linux.amoon@gmail.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Changing voltage and enabling regulator might require delays so the
regulator stabilizes at expected level.
Add support for "regulator-ramp-delay" binding which can introduce
required time to both enabling the regulator and to changing the
voltage.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Tested-by: Anand Moon <linux.amoon@gmail.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Fix typo in axp_set_dldo() so that it correctly uses AXP818_DLDO1_CTRL
register to configure the voltage instead of setting AXP818_ELDO1_CTRL
register which is obviously incorrect.
Signed-off-by: Ondřej Jirman <megous@megous.com>
Reviewed-by: Jagan Teki <jagan@openedev.com>
regulator_set_enable() api throws an error in the following three cases:
- when requested to disable an always-on regulator
- when set_enable() ops not provided by regulator driver
- when enabling is actually failed.(Error returned by the regulator driver)
Sometimes consumer drivers doesn't want to track the first two scenarios
and just need to worry about the case where enabling is actually failed.
But it is also a good practice to have an error value returned in the
first two cases.
So introduce an api regulator_set_enable_if_allowed() which ignores the
first two error cases and returns an error as given by regulator driver.
Consumer drivers can use this api need not worry about the first two
error conditions.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This reverts commit e17e0ceb83.
It is advised to return an error when trying to disable an always-on
regulator and let the consumer driver handle the error if needed.
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
