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Some boards have an i8042 device. Enable the driver for all x86 boards, and
add a device tree node for those which may have this keyboard.
Also adjust the configuration so that i8042 is always separate from the VGA,
and rename the stdin driver accordingly. With this commit the keyboard will
not work, but it is fixed in the next commit.
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Bin Meng <[email protected]>
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Add a sandbox timer which get time from host os and a basic
test.
Signed-off-by: Thomas Chou <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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Add Altera Generic Quad SPI Controller support. The controller
converts SPI NOR flash to parallel flash interface. So it is
not like other SPI flash, but rather like CFI flash.
Signed-off-by: Thomas Chou <[email protected]>
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Convert cfi flash to driver model.
Signed-off-by: Thomas Chou <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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This commit adds:
- new uclass id: UCLASS_ADC
- new uclass driver: drivers/adc/adc-uclass.c
The new uclass's API allows for ADC operation on:
* single-channel with channel selection by a number
* multti-channel with channel selection by bit mask
ADC uclass's functions:
* single-channel:
- adc_start_channel() - start channel conversion
- adc_channel_data() - get conversion data
- adc_channel_single_shot() - start/get conversion data
* multi-channel:
- adc_start_channels() - start selected channels conversion
- adc_channels_data() - get conversion data
- adc_channels_single_shot() - start/get conversion data for channels
selected by bit mask
* general:
- adc_stop() - stop the conversion
- adc_vdd_value() - positive reference Voltage value with polarity [uV]
- adc_vss_value() - negative reference Voltage value with polarity [uV]
- adc_data_mask() - conversion data bit mask
The device tree can provide below constraints/properties:
- vdd-polarity-negative: if true: Vdd = vdd-microvolts * (-1)
- vss-polarity-negative: if true: Vss = vss-microvolts * (-1)
- vdd-supply: phandle to Vdd regulator's node
- vss-supply: phandle to Vss regulator's node
And optional, checked only if the above corresponding, doesn't exist:
- vdd-microvolts: positive reference Voltage [uV]
- vss-microvolts: negative reference Voltage [uV]
Signed-off-by: Przemyslaw Marczak <[email protected]>
Cc: Simon Glass <[email protected]>
Signed-off-by: Minkyu Kang <[email protected]>
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This driver allows I/O operations on the Samsung S2MPS11 PMIC,
which provides lots of LDO/BUCK outputs.
To enable it, update defconfig with:
- CONFIG_PMIC_S2MPS11
and additional, if were not defined:
- CONFIG_CMD_PMIC
- CONFIG_ERRNO_STR
The binding info: doc/device-tree-bindings/pmic/s2mps11.txt
Signed-off-by: Przemyslaw Marczak <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
Tested-by: Anand Moon <[email protected]>
Signed-off-by: Minkyu Kang <[email protected]>
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The CPU name for Exynos was concatenated with cpu id,
but for new Exynos platforms, like Chromebook Peach Pi
based on Exynos5800, the name of SoC variant does not
include the real SoC cpu id (0x5422).
For such case, the CPU name should be defined in device tree.
This commit introduces new device-tree property for Exynos:
- "cpu-model" - with cpu name string
If defined, then the cpu id is not printed.
Signed-off-by: Przemyslaw Marczak <[email protected]>
Cc: Minkyu Kang <[email protected]>
Cc: Simon Glass <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
Tested-by: Anand Moon <[email protected]>
Signed-off-by: Minkyu Kang <[email protected]>
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Added device-tree-binding information for zynq qspi controller
driver.
Signed-off-by: Jagan Teki <[email protected]>
Cc: Simon Glass <[email protected]>
Cc: Siva Durga Prasad Paladugu <[email protected]>
Acked-by: Michal Simek <[email protected]>
Tested-by: Jagan Teki <[email protected]>
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Convert altera_tse to driver model and phylib.
Signed-off-by: Thomas Chou <[email protected]>
Reviewed-by: Marek Vasut <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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Convert altera sysid to driver model with misc uclass.
Signed-off-by: Thomas Chou <[email protected]>
Acked-by: Chin Liang See <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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Convert altera timer to driver model.
Signed-off-by: Thomas Chou <[email protected]>
Acked-by: Chin Liang See <[email protected]>
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Convert nios2 cpu to driver model. The cpu parameters are
extracted from device tree and saved to global data structure.
We will use them to replace the custom_fpga.h .
Signed-off-by: Thomas Chou <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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Convert altera_pio to driver model.
Signed-off-by: Thomas Chou <[email protected]>
Acked-by: Chin Liang See <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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Convert altera_spi to driver model
Signed-off-by: Thomas Chou <[email protected]>
Reviewed-by: Jagan Teki <[email protected]>
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Convert altera_uart to driver model.
Signed-off-by: Thomas Chou <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
Acked-by: Marek Vasut <[email protected]>
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Convert altera_jtag_uart to driver model.
Signed-off-by: Thomas Chou <[email protected]>
Acked-by: Marek Vasut <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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Many System on Chip(SoC) solutions are complex with multiple processors
on the same die dedicated to either general purpose of specialized
functions. Many examples do exist in today's SoCs from various vendors.
Typical examples are micro controllers such as an ARM M3/M0 doing a
offload of specific function such as event integration or power
management or controlling camera etc.
Traditionally, the responsibility of loading up such a processor with a
firmware and communication has been with a High Level Operating
System(HLOS) such as Linux. However, there exists classes of products
where Linux would need to expect services from such a processor or the
delay of Linux and operating system being able to load up such a
firmware is unacceptable.
To address these needs, we need some minimal capability to load such a
system and ensure it is started prior to an Operating System(Linux or
any other) is started up.
NOTE: This is NOT meant to be a solve-all solution, instead, it tries to
address certain class of SoCs and products that need such a solution.
A very simple model is introduced here as part of the initial support
that supports microcontrollers with internal memory (no MMU, no
execution from external memory, or specific image format needs). This
basic framework can then (hopefully) be extensible to other complex SoC
processor support as need be.
Reviewed-by: Simon Glass <[email protected]>
Signed-off-by: Nishanth Menon <[email protected]>
Acked-by: Simon Glass <[email protected]>
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Bring in required device tree files from Linux. Since mainline Linux is
somewhat behind, use the files from the Chromium tree. We can re-sync once
further code is acccepted upstream.
Signed-off-by: Simon Glass <[email protected]>
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Allow for configuration of FSP UPD from the device tree which will
override any settings which the FSP was built with itself.
Modify the MinnowMax and BayleyBay boards to transfer sensible UPD
settings from the Intel FSPv4 Gold release to the respective dts files,
with the condition that the memory-down parameters for MinnowMax are
also used.
Signed-off-by: Andrew Bradford <[email protected]>
Reviewed-by: Bin Meng <[email protected]>
Tested-by: Bin Meng <[email protected]>
Removed fsp,mrc-debug-msg and fsp,enable-xhci for minnowmax, bayleybay
Fixed lines >80col
Signed-off-by: Simon Glass <[email protected]>
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We do not need that "regulator-name" property must be provided in dts.
If "regulator-name" property is not provided in dts, node name
will chosen for settings '.name' field of uc_pdata.
Signed-off-by: Peng Fan <[email protected]>
Cc: Przemyslaw Marczak <[email protected]>
Cc: Simon Glass <[email protected]>
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This chip provides an eDP to LVDS bridge which is useful for SoCs that don't
support LVDS displays (or it would waste scarce pins). The setup is included
in the device tree.
Signed-off-by: Simon Glass <[email protected]>
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Add a new I2C_MUX uclass. Devices in this class can multiplex between
several I2C buses, selecting them one at a time for use by the system.
The multiplexing mechanism is left to the driver to decide - it may be
controlled by GPIOs, for example.
The uclass supports only two methods: select() and deselect().
The current mux state is expected to be stored in the mux itself since
it is the only thing that knows how to make things work. The mux can
record the current state and then avoid switching unless it is necessary.
So select() can be skipped if the mux is already in the correct state.
Also deselect() can be made a nop if required.
Signed-off-by: Simon Glass <[email protected]>
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Fix a small typo in this binding file.
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Bin Meng <[email protected]>
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Zynq is using Cadence IP where binding is documented in the Linux kernel
and there is no reason to use different binding.
Synchronize it.
Signed-off-by: Michal Simek <[email protected]>
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Add a simple driver which allows use of LEDs attached to GPIOs. The linux
device tree binding is used.
Signed-off-by: Simon Glass <[email protected]>
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Add a simple uclass for LEDs, so that these can be controlled by the device
tree and activated when needed. LEDs are referred to by their label.
This implementation requires a driver for each type of LED (e.g GPIO, I2C).
Signed-off-by: Simon Glass <[email protected]>
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This patch adds the device tree binding doc for the cadence qspi controller &
also removes the not needed properties from the stv0991 device tree.
Signed-off-by: Vikas Manocha <[email protected]>
Reviewed-by: Jagannadh Teki <[email protected]>
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Now zynq spi driver platform data is controlled by devicetree,
enable the status by saying "okay" on respective board dts to use
the devicetree generated platdata.
Ex:
&spi1 {
status = "okay";
};
Signed-off-by: Jagan Teki <[email protected]>
Acked-by: Simon Glass <[email protected]>
Cc: Michal Simek <[email protected]>
Cc: Siva Durga Prasad Paladugu <[email protected]>
Tested-by: Jagan Teki <[email protected]>
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This patch adds zynq spi controller nodes in zynq-7000.dtsi.
Signed-off-by: Jagan Teki <[email protected]>
Acked-by: Simon Glass <[email protected]>
Cc: Michal Simek <[email protected]>
Cc: Siva Durga Prasad Paladugu <[email protected]>
Tested-by: Jagan Teki <[email protected]>
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Before device-tree, the device serial number used to be passed to the kernel
using ATAGs (on ARM). This is now deprecated and all the handover to the kernel
should now be done using device-tree. Thus, this passes the serial-number
property to the kernel using the serial-number property of the root node, as
expected by the kernel.
The serial number is a string that somewhat represents the device's serial
number. It might come from some form of storage (e.g. an eeprom) and be
programmed at factory-time by the manufacturer or come from identification
bits available in e.g. the SoC.
Signed-off-by: Paul Kocialkowski <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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Every pin can be configured now from the device tree. A dt-bindings
has been added to describe the different property available.
Change-Id: I1668886062655f83700d0e7bbbe3ad09b19ee975
Signed-off-by: Gabriel Huau <[email protected]>
Acked-by: Simon Glass <[email protected]>
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Describe all required properties needed by the irq router device tree.
Signed-off-by: Bin Meng <[email protected]>
Acked-by: Simon Glass <[email protected]>
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This commit adds emulation of sandbox PMIC device, which includes:
- PMIC I2C emulation driver
- PMIC I/O driver (UCLASS_PMIC)
- PMIC regulator driver (UCLASS_REGULATOR)
The sandbox PMIC has 12 significant registers and 4 as padding to 16 bytes,
which allows using 'i2c md' command with the default count (16).
The sandbox PMIC provides regulators:
- 2x BUCK
- 2x LDO
Each, with adjustable output:
- Enable state
- Voltage
- Current limit (LDO1/BUCK1 only)
- Operation mode (different for BUCK and LDO)
Each attribute has it's own register, beside the enable state, which depends
on operation mode.
The header file: sandbox_pmic.h includes PMIC's default register values,
which are set on i2c pmic emul driver's probe() method.
Signed-off-by: Przemyslaw Marczak <[email protected]>
Acked-by: Simon Glass <[email protected]>
Tested on sandbox:
Tested-by: Simon Glass <[email protected]>
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This driver implements regulator operations for fixed Voltage/Current
value regulators. beside the standard regulator constraints, which are
put into the uclass platform data, a typical fixed regulator node provides
few additional properties like:
- gpio
- gpio-open-drain
- enable-active-high
- startup-delay-us
The only 'gpio' is used by this driver and is kept in structure of type
'fixed_regulator_platdata', as a device platform data (dev->platdata).
The driver implements:
- get_value
- get_current
- get_enable
- set_enable
The regulator calls and commands can be used for fixed-regulator devices,
and the proper error will be returned for prohibited.
Signed-off-by: Przemyslaw Marczak <[email protected]>
Acked-by: Simon Glass <[email protected]>
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This commit adds support to MAX77686 regulator driver,
based on a driver model regulator's API. It implements
almost all regulator operations, beside those for setting
and geting the Current value.
For proper bind and operation it requires the MAX77686 PMIC driver.
New file: drivers/power/regulator/max77686.c
New config: CONFIG_DM_REGULATOR_MAX77686
Signed-off-by: Przemyslaw Marczak <[email protected]>
Acked-by: Simon Glass <[email protected]>
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This is the implementation of driver model PMIC driver.
The max77686 PMIC driver implements read/write operations and driver
bind method - to bind its childs.
This driver will try to bind the regulator devices by using it's child
info array with regulator prefixes and driver names. This should succeed
when compatible regulator driver is compiled. If no regulator driver found,
then the pmic can still provide read/write operations, and can be used with
PMIC function calls.
Signed-off-by: Przemyslaw Marczak <[email protected]>
Acked-by: Simon Glass <[email protected]>
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This commit introduces the implementation of dm regulator API.
Device tree support allows for auto binding. And by the basic
uclass operations, it allows to driving the devices in a common
way. For detailed informations, please look into the header file.
Core files:
- drivers/power/regulator-uclass.c - provides regulator common functions api
- include/power/regulator.h - define all structures required by the regulator
Changes:
- new uclass-id: UCLASS_REGULATOR
- new config: CONFIG_DM_REGULATOR
Signed-off-by: Przemyslaw Marczak <[email protected]>
Acked-by: Simon Glass <[email protected]>
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This peripheral is required to get the LCD display running. Add it to
tegra124 and also bring in the binding file from Linux 3.18
Signed-off-by: Simon Glass <[email protected]>
Signed-off-by: Tom Warren <[email protected]>
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This is useful for display parameters. Add a simple decode function to read
from this device tree node.
Signed-off-by: Simon Glass <[email protected]>
Signed-off-by: Tom Warren <[email protected]>
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This patch adds device tree support for arm pl010/pl011 driver.
Signed-off-by: Vikas Manocha <[email protected]>
Acked-by: Simon Glass <[email protected]>
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Since we will use these bindings on sunxi, bring them in from Linux
4.0-rc1.
Signed-off-by: Simon Glass <[email protected]>
Acked-by: Ian Campbell <[email protected]>
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This commit adds driver model support to software emulated i2c bus driver.
This driver supports kernel-style device tree bindings. Fdt properties in use:
- compatible - "i2c-gpio"
- gpios - data and clock GPIO pin phandles
- delay-us - micro seconds delay between GPIOs toggle operations,
which is 1/4 of I2C speed clock period.
Added:
- Config: CONFIG_DM_I2C_GPIO
- File: drivers/i2c/i2c-gpio.c
- File: doc/device-tree-bindings/i2c/i2c-gpio.txt
Driver base code is taken from: drivers/i2c/soft-i2c.c, changes:
- use "i2c-gpio" naming
- update comments style
- move preprocesor macros into functions
- add device tree support
- add driver model i2c support
- code cleanup,
- add Kconfig entry
Signed-off-by: Przemyslaw Marczak <[email protected]>
Acked-by: Simon Glass <[email protected]>
Added braces in i2c_gpio_xfer() to fix style nit:
Signed-off-by: Simon Glass <[email protected]>
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Add support to configure PWM_OUT(PWM output) GPIO and
BL_EN(backlight enable) GPIO, if provided in FIMD DT node.
Signed-off-by: Ajay Kumar <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
Tested-by: Simon Glass <[email protected]>
Signed-off-by: Minkyu Kang <[email protected]>
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[ imported from Linux Kernel, commit 74981fb81d83 ]
Signed-off-by: Masahiro Yamada <[email protected]>
Acked-by: Laurent Pinchart <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>
Acked-by: Simon Glass <[email protected]>
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Some exynos boards require special handling of nRESET_OUT line for eMMC
memory to perform complete reboot e.g. Odroid X2/U3/XU3 boards.
This will support eMMC reset using DT from reset_misc of samsung common
board file.
Signed-off-by: Joonyoung Shim <[email protected]>
Signed-off-by: Minkyu Kang <[email protected]>
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Since U-Boot can support different offset lengths (0-4 bytes), add a device
tree property to specify this. This avoids hard-coding it in the driver.
Signed-off-by: Simon Glass <[email protected]>
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At present the tegra GPIO driver does not fully support the existing device
tree binding, but add the binding file to cover the existing partial support.
Signed-off-by: Simon Glass <[email protected]>
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At present the exynos GPIO driver does not fully support the existing device
tree binding, but add the binding file to cover the existing partial support.
Signed-off-by: Simon Glass <[email protected]>
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Add the binding file that we are about to support.
Signed-off-by: Simon Glass <[email protected]>
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