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8 years agovideo: panel: Add a simple panel driver
Simon Glass [Fri, 22 Jan 2016 02:44:59 +0000 (19:44 -0700)]
video: panel: Add a simple panel driver

Most panels are very simple - they just have a power supply and a backlight.
Add a driver which supports this and implements the enable_backlight()
method.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agodm: panel: Add a panel uclass
Simon Glass [Fri, 22 Jan 2016 02:44:58 +0000 (19:44 -0700)]
dm: panel: Add a panel uclass

LCD panels can usefully be modelled as their own uclass. They can be probed
(which powers them up ready for use). If they have a backlight, this can be
enabled.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agodm: backlight: Add a driver for a PWM backlight
Simon Glass [Fri, 22 Jan 2016 02:44:57 +0000 (19:44 -0700)]
dm: backlight: Add a driver for a PWM backlight

Many backlights need to use a PWM to control the brightness. Add a driver
for this. It understands the standard device tree binding.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agodm: backlight: Add a backlight uclass
Simon Glass [Fri, 22 Jan 2016 02:44:56 +0000 (19:44 -0700)]
dm: backlight: Add a backlight uclass

LCD panels normally have a backlight which can be controlled to illuminate
the LCD contents. Add a uclass to support this. Initially it only has a
method to enable the backlight.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agopwm: rockchip: Add a PWM driver for Rockchip SoCs
Simon Glass [Fri, 22 Jan 2016 02:44:55 +0000 (19:44 -0700)]
pwm: rockchip: Add a PWM driver for Rockchip SoCs

Add a simple driver which implements the standard PWM uclass interface.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agodm: pwm: Add a PWM uclass
Simon Glass [Fri, 22 Jan 2016 02:44:54 +0000 (19:44 -0700)]
dm: pwm: Add a PWM uclass

Add a uclass that supports Pulse Width Modulation (PWM) devices. It
provides methods to enable/disable and configure the device.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agovideo: bridge: Allow GPIOs to be optional
Simon Glass [Fri, 22 Jan 2016 02:44:53 +0000 (19:44 -0700)]
video: bridge: Allow GPIOs to be optional

Some video bridges will not have GPIOs to control reset, etc. Allow these
to be optional.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agovideo: Add a function to control cache flushing
Simon Glass [Fri, 22 Jan 2016 02:44:52 +0000 (19:44 -0700)]
video: Add a function to control cache flushing

Allow the cache-flushing function of a video device to be controlled.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agovideo: Name consoles by their number
Simon Glass [Fri, 22 Jan 2016 02:44:51 +0000 (19:44 -0700)]
video: Name consoles by their number

We must use the console name in the 'stdout' variable to select the one
we want. At present the name is formed from the driver name with a suffix
indicating the rotation value.

It seems better to name them sequentially since this can be controlled by
driver order. So adjust the code to use 'vidconsole' for the first,
'vidconsole1' for the second, etc.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agogpio: Warn about invalid GPIOs used with the 'gpio' command
Simon Glass [Fri, 22 Jan 2016 02:44:50 +0000 (19:44 -0700)]
gpio: Warn about invalid GPIOs used with the 'gpio' command

At present there is no indication that an invalid GPIO is used except that
the GPIO status is not displayed. Make the error more explicit to avoid
confusion.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agostdio: Correct a build error with driver model
Simon Glass [Fri, 22 Jan 2016 02:44:49 +0000 (19:44 -0700)]
stdio: Correct a build error with driver model

When driver model is used for video but not for the keyboard, a compiler
warnings is produced. Fix it.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agorockchip: jerry: Enable the Chrome OS EC
Simon Glass [Fri, 22 Jan 2016 02:44:13 +0000 (19:44 -0700)]
rockchip: jerry: Enable the Chrome OS EC

Turn on the EC and enable the keyboard.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agorockchip: spi: Remove the explicit pinctrl setting
Simon Glass [Fri, 22 Jan 2016 02:44:12 +0000 (19:44 -0700)]
rockchip: spi: Remove the explicit pinctrl setting

The correct pinctrl is handled automatically so we don't need to do it in
the driver. The exception is when we want to use a different chip select
(other than 0). But this isn't used at present.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agorockchip: spi: Correct chip-enable code
Simon Glass [Fri, 22 Jan 2016 02:44:11 +0000 (19:44 -0700)]
rockchip: spi: Correct chip-enable code

At present there is an incorrect call to rkspi_enable_chip(). It should
be disabling the chip, not enabling it. Correct this and ensure that the
chip is disabled when releasing the bus.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agorockchip: spi: Implement the delays
Simon Glass [Fri, 22 Jan 2016 02:44:10 +0000 (19:44 -0700)]
rockchip: spi: Implement the delays

Some devices need delays before and after activiation. Implement these
features in the SPI driver so that we will be able to enable the Chrome
OS EC.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agorockchip: gpio: Implement the get_function() method
Simon Glass [Fri, 22 Jan 2016 02:44:09 +0000 (19:44 -0700)]
rockchip: gpio: Implement the get_function() method

Provide this method so that 'gpio status' works fully. It now shows
whether a pin is used for input, output or some other function.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agorockchip: gpio: Read the GPIO value correctly
Simon Glass [Fri, 22 Jan 2016 02:44:08 +0000 (19:44 -0700)]
rockchip: gpio: Read the GPIO value correctly

This function should return 0 or 1, not a mask. Fix it.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agorockchip: pinctrl: Implement the get_gpio_mux() method
Simon Glass [Fri, 22 Jan 2016 02:44:07 +0000 (19:44 -0700)]
rockchip: pinctrl: Implement the get_gpio_mux() method

Implement this so that the GPIO command will be able to report whether a
GPIO is used for input or output.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agorockchip: pinctrl: Reduce the size for SPL
Simon Glass [Fri, 22 Jan 2016 02:44:06 +0000 (19:44 -0700)]
rockchip: pinctrl: Reduce the size for SPL

This file has many features that are not needed by SPL. Use #ifdef to
remove the unused features and reduce the code size.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agorockchip: clk: Make rkclk_get_clk() SoC-specific
Simon Glass [Fri, 22 Jan 2016 02:44:05 +0000 (19:44 -0700)]
rockchip: clk: Make rkclk_get_clk() SoC-specific

The current method assumes that clocks are numbered from 0 and we can
determine a clock by its number. It is safer to use an ID in the clock's
platform data to avoid the situation where another clock is bound before
the one we expect.

Move the existing code into rk3036 since it still works there. Add a new
implementation for rk3288.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agorockchip: spi: Correct the bus init code
Simon Glass [Fri, 22 Jan 2016 02:44:04 +0000 (19:44 -0700)]
rockchip: spi: Correct the bus init code

Two of the init values are created locally so cannot be out of range.
The masking is unnecessary and in one case is incorrect. Fix it.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agorockchip: spi: Remember the last speed to avoid re-setting it
Simon Glass [Fri, 22 Jan 2016 02:44:03 +0000 (19:44 -0700)]
rockchip: spi: Remember the last speed to avoid re-setting it

Rather than changing the clock to the same value on every transaction,
remember the last value and don't adjust the clock unless it is necessary.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agorockchip: reset: Use the rk_clr/setreg() interface
Simon Glass [Fri, 22 Jan 2016 02:44:02 +0000 (19:44 -0700)]
rockchip: reset: Use the rk_clr/setreg() interface

Use this function in preference to the macro.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agorockchip: sdram: Use the rk_clr/setreg() interface
Simon Glass [Fri, 22 Jan 2016 02:44:01 +0000 (19:44 -0700)]
rockchip: sdram: Use the rk_clr/setreg() interface

Use this function in preference to the macro.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agodm: clk: Add a simple version of clk_get_by_index()
Simon Glass [Fri, 22 Jan 2016 02:44:00 +0000 (19:44 -0700)]
dm: clk: Add a simple version of clk_get_by_index()

This function adds quite a bit of code to SPL and we probably don't need
all the features in SPL. Add a simple version (for SPL only) to save space.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agodm: power: Allow regulators to not implement all operations
Simon Glass [Fri, 22 Jan 2016 02:43:59 +0000 (19:43 -0700)]
dm: power: Allow regulators to not implement all operations

Some regulators will not implement any operations (e.g. fixed regulators).
This is not an error, so allow the autoset process to continue when one
of these regulators is found.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agodm: power: Tidy up debugging output and return values
Simon Glass [Fri, 22 Jan 2016 02:43:58 +0000 (19:43 -0700)]
dm: power: Tidy up debugging output and return values

The currect PMIC debugging is a little confusing. Adjust it so that it is
clear whether the operation succeeded or failed. Also, avoid creating a new
error return value when a perfectly good one is already available.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agodm: core: Export uclass_find_device_by_of_offset()
Simon Glass [Fri, 22 Jan 2016 02:43:57 +0000 (19:43 -0700)]
dm: core: Export uclass_find_device_by_of_offset()

It is sometimes useful to be able to find a device before probing it,
perhaps to set up some platform data for it. Allow finding by of_offset
also.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agodm: pinctrl: Add a way for a GPIO driver to obtain a pin function
Simon Glass [Fri, 22 Jan 2016 02:43:56 +0000 (19:43 -0700)]
dm: pinctrl: Add a way for a GPIO driver to obtain a pin function

GPIO drivers want to be able to show if a pin is enabled for input, output,
or is being used by another function. Some drivers can easily find this
and the code is included in the driver. For some SoCs this is more complex.
Conceptually this should be handled by pinctrl rather than GPIO. Most
pinctrl drivers will have this feature anyway.

Add a method by which a GPIO driver can obtain the pin mux value given a
GPIO reference. This avoids repeating the code in two places.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agodm: power: Allow regulators to be omitted from SPL
Simon Glass [Fri, 22 Jan 2016 02:43:55 +0000 (19:43 -0700)]
dm: power: Allow regulators to be omitted from SPL

For some boards the pmic interface is useful but the regulator interface
(which comes with it) is too large. Allow them to be separated such that
SPL can decide which it needs.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agospi: Correct device tree usage in spi_flash_decode_fdt()
Simon Glass [Fri, 22 Jan 2016 02:43:54 +0000 (19:43 -0700)]
spi: Correct device tree usage in spi_flash_decode_fdt()

This function currently searches the entire device tree for a node that
it thinks is relevant. But the node is known and is passed in. Correct the
code and enable it only with driver model, since only driver-model boards
will use it.

This avoids bringing in a large number of strings from fdtdec.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agodm: i2c: Allow muxes to be enabled for SPL separately
Simon Glass [Fri, 22 Jan 2016 02:43:53 +0000 (19:43 -0700)]
dm: i2c: Allow muxes to be enabled for SPL separately

Since I2C muxes are seldom needed in SPL, and the code for this increases
the size somewhat, add a separate option to enable I2C muxes for SPL.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agocros_ec: Disable the Chrome OS EC in SPL
Simon Glass [Fri, 22 Jan 2016 02:43:52 +0000 (19:43 -0700)]
cros_ec: Disable the Chrome OS EC in SPL

This is not used in SPL so don't allow it to be built there, even if I2C
is enabled in SPL.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agogpio: Allow 's' as an abbreviation for 'status'
Simon Glass [Fri, 22 Jan 2016 02:43:51 +0000 (19:43 -0700)]
gpio: Allow 's' as an abbreviation for 'status'

The 'gpio' command allows abbreviations for most subcommands. Allow them
for 'status' also.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agorockchip: jerry: Drop unused options
Simon Glass [Fri, 22 Jan 2016 02:43:50 +0000 (19:43 -0700)]
rockchip: jerry: Drop unused options

To reduce the SPL image size, drop the LED features. Jerry does not have
an LED and we can leave out GPIO support also.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agorockchip: Disable simple-bus in SPL for firefly-rk3288, jerry
Simon Glass [Fri, 22 Jan 2016 02:43:49 +0000 (19:43 -0700)]
rockchip: Disable simple-bus in SPL for firefly-rk3288, jerry

This is not needed for booting, so drop it from SPL to save about 300 bytes.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agorockchip: jerry: Enable the RK808 PMIC and regulator
Simon Glass [Fri, 22 Jan 2016 02:43:48 +0000 (19:43 -0700)]
rockchip: jerry: Enable the RK808 PMIC and regulator

Enable this PMIC and regulator, which is used on jerry.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agorockchip: Move firefly and jerry to use the full pinctrl
Simon Glass [Fri, 22 Jan 2016 02:43:47 +0000 (19:43 -0700)]
rockchip: Move firefly and jerry to use the full pinctrl

Use the full pinctrl driver in U-Boot proper.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agorockchip: pinctrl: Add a full pinctrl driver
Simon Glass [Fri, 22 Jan 2016 02:43:46 +0000 (19:43 -0700)]
rockchip: pinctrl: Add a full pinctrl driver

We can make use of the device tree to configure pinctrl settings. Add this
support for the driver so we can use it in U-Boot proper.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agorockchip: mmc: Update the driver to use the new clock ID
Simon Glass [Fri, 22 Jan 2016 02:43:45 +0000 (19:43 -0700)]
rockchip: mmc: Update the driver to use the new clock ID

We can use the new clk_get_by_index() function to get the correct clock.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agorockchip: spi: Avoid setting the pinctrl twice
Simon Glass [Fri, 22 Jan 2016 02:43:44 +0000 (19:43 -0700)]
rockchip: spi: Avoid setting the pinctrl twice

If full pinctrl is enabled we don't need to manually set the pinctrl in the
driver. It will happen automatically. Adjust the code to suit - we will
still use manual mode in SPL.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agorockchip: spi: Update the driver to use the new clock ID
Simon Glass [Fri, 22 Jan 2016 02:43:43 +0000 (19:43 -0700)]
rockchip: spi: Update the driver to use the new clock ID

We can use the new clk_get_by_index() function to get the correct clock.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agorockchip: i2c: Update the driver to use the new clock ID
Simon Glass [Fri, 22 Jan 2016 02:43:42 +0000 (19:43 -0700)]
rockchip: i2c: Update the driver to use the new clock ID

We can use the new clk_get_by_index() function to get the correct clock.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agorockchip: clock: Add a function to find a clock by ID
Simon Glass [Fri, 22 Jan 2016 02:43:41 +0000 (19:43 -0700)]
rockchip: clock: Add a function to find a clock by ID

The current approach of using uclass_get_device() is error-prone. Another
clock (for example a fixed-clock) may cause it to break. Add a function that
does a proper search.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agorockchip: clk: Add a function to get a peripheral clock rate
Simon Glass [Fri, 22 Jan 2016 02:43:40 +0000 (19:43 -0700)]
rockchip: clk: Add a function to get a peripheral clock rate

It is useful to be able to read the rate of a peripheral clock. Add a
handler for that.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agorockchip: clock: Rename the general clock variable to gclk_rate
Simon Glass [Fri, 22 Jan 2016 02:43:39 +0000 (19:43 -0700)]
rockchip: clock: Rename the general clock variable to gclk_rate

The current name is confusing and a bit verbose. Rename it.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agorockchip: Use a separate clock ID for clocks
Simon Glass [Fri, 22 Jan 2016 02:43:38 +0000 (19:43 -0700)]
rockchip: Use a separate clock ID for clocks

At present we use the same peripheral ID for clocks and pinctrl. While this
works it is probably better to use the device tree clock binding ID for
clocks. We can use the clk_get_by_index() function to find this.

Update the clock drivers and the code that uses them.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agorockchip: jerry: Disable pmic-int-1 setup to avoid a hang
Simon Glass [Fri, 22 Jan 2016 02:43:37 +0000 (19:43 -0700)]
rockchip: jerry: Disable pmic-int-1 setup to avoid a hang

This hangs when activated (by probing the PMIC). Disable it for now until we
understand the root cause.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agorockchip: Use pwrseq for MMC start-up on jerry
Simon Glass [Fri, 22 Jan 2016 02:43:36 +0000 (19:43 -0700)]
rockchip: Use pwrseq for MMC start-up on jerry

This is defined in the device tree in Linux. Copy over the settings so that
this can be used instead of hard-coding the reset line.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agorockchip: Correct the defconfig order
Simon Glass [Fri, 22 Jan 2016 02:43:35 +0000 (19:43 -0700)]
rockchip: Correct the defconfig order

This has got out of sequence somehow. Fix it.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agorockchip: mmc: Use a pwrseq device if available
Simon Glass [Fri, 22 Jan 2016 02:43:34 +0000 (19:43 -0700)]
rockchip: mmc: Use a pwrseq device if available

Use the pwrseq uclass to find a suitable power sequence for the MMC device.
If this is enabled in the device tree, we will pick it up automatically.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agorockchip: Convert the PMU IOMUX registers into an array
Simon Glass [Fri, 22 Jan 2016 02:43:33 +0000 (19:43 -0700)]
rockchip: Convert the PMU IOMUX registers into an array

This is easier to deal with when using generic code since it allows us to
use a register index instead of naming each register.

Adjust it, adding an enum to improve readability.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agorockchip: Avoid using MMC code when not booting from MMC
Simon Glass [Fri, 22 Jan 2016 02:43:32 +0000 (19:43 -0700)]
rockchip: Avoid using MMC code when not booting from MMC

This saves some code space in SPL which is useful on jerry.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agodm: Add a power sequencing uclass
Simon Glass [Fri, 22 Jan 2016 02:43:31 +0000 (19:43 -0700)]
dm: Add a power sequencing uclass

Some devices need special sequences to be used when starting up. Add a
uclass for this. Drivers can be added to provide specific features as
needed.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agopower: Add support for RK808 regulators
Simon Glass [Fri, 22 Jan 2016 02:43:30 +0000 (19:43 -0700)]
power: Add support for RK808 regulators

Add regulator support for the RK808 PMIC. It integrated 4 BUCKs and 8 LDOs
all of which are supported by this driver.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agopower: Add base support for the RK808 PMIC
Simon Glass [Fri, 22 Jan 2016 02:43:29 +0000 (19:43 -0700)]
power: Add base support for the RK808 PMIC

This Rockchip PMIC provides features suitable for battery-powered
applications. It is commonly used with Rockchip SoCs.

Add a driver which provides register access. The regulator driver will use
this.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agodts: Bring in pinctrl device tree binding
Simon Glass [Fri, 22 Jan 2016 02:43:28 +0000 (19:43 -0700)]
dts: Bring in pinctrl device tree binding

Add this binding file since we now use it in U-Boot.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agodm: pmic: Add 'reg status' to show all regulators
Simon Glass [Fri, 22 Jan 2016 02:43:27 +0000 (19:43 -0700)]
dm: pmic: Add 'reg status' to show all regulators

It is convenient to be able to see the status of all regulators in a list.
Add this feature to the 'reg status' command.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agodm: pinctrl: Add a function to parse PIN_CONFIG flags
Simon Glass [Fri, 22 Jan 2016 02:43:26 +0000 (19:43 -0700)]
dm: pinctrl: Add a function to parse PIN_CONFIG flags

Add a function which produces a flags word from a few common PIN_CONFIG
settings. This is useful for simple pinctrl drivers that don't need to worry
about drive strength, etc.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agodm: core: Don't set pinctrl for pinctrl devices
Simon Glass [Fri, 22 Jan 2016 02:43:25 +0000 (19:43 -0700)]
dm: core: Don't set pinctrl for pinctrl devices

There is sort-of race condition when a pinctrl device is probed. The pinctrl
function is called which may end up using the same device as is being
probed. This results in operations being used before the device is actually
probed.

For now, disallow pinctrl operations on pinctrl devices while probing. An
alternative solution would be to move the operation to later in the
device_probe() function (for pinctrl devices only) but this needs more
thought.

Signed-off-by: Simon Glass <sjg@chromium.org>
8 years agorockchip: kylin: Store env in emmc
Jeffy Chen [Thu, 14 Jan 2016 02:19:41 +0000 (10:19 +0800)]
rockchip: kylin: Store env in emmc

There's a 64K reserved area at the end of the first 4M.
Store env there, so we can use fastboot to flash it.

Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
Acked-by: Simon Glass <sjg@chromium.org>
8 years agorockchip: kylin: Check fastboot request
Jeffy Chen [Thu, 14 Jan 2016 02:19:40 +0000 (10:19 +0800)]
rockchip: kylin: Check fastboot request

We will save boot mode flag in grf's os_reg[4], if fastboot
requested or fastboot key pressed, try to enter fastboot mode
at preboot stage.

Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
Acked-by: Simon Glass <sjg@chromium.org>
8 years agorockchip: kylin: Add default gpt partition table
Jeffy Chen [Thu, 14 Jan 2016 02:19:38 +0000 (10:19 +0800)]
rockchip: kylin: Add default gpt partition table

Add default android gpt partition table for kylin board.

Use "gpt write mmc 0 $partitions" to apply.

Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
Acked-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
8 years agorockchip: rk3036: Bind GPIO banks
Jeffy Chen [Thu, 14 Jan 2016 02:19:37 +0000 (10:19 +0800)]
rockchip: rk3036: Bind GPIO banks

Call dm_scan_fdt_node() in rk3036 pinctrl uclass binding.

Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
Acked-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
8 years agoARM: bootm: Try to use relocated ramdisk
Jeffy Chen [Thu, 14 Jan 2016 02:19:36 +0000 (10:19 +0800)]
ARM: bootm: Try to use relocated ramdisk

After boot_ramdisk_high(), ramdisk would be relocated to
initrd_start & initrd_end, so use them instead of rd_start & rd_end.

Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
Acked-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
8 years agodm: clk: Add support for decoding clocks from the device tree
Simon Glass [Thu, 21 Jan 2016 02:43:02 +0000 (19:43 -0700)]
dm: clk: Add support for decoding clocks from the device tree

Add a method which can locate a clock for a device, given its index. This
uses the normal device tree bindings to return the clock device and the
first argument which is normally used as a peripheral ID in U-Boot.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Masahiro Yamada <yamada.masahiro@socionext.com>
8 years agoclk: add fixed rate clock driver
Masahiro Yamada [Tue, 19 Jan 2016 04:55:28 +0000 (13:55 +0900)]
clk: add fixed rate clock driver

This commit intends to implement "fixed-clock" as in Linux.
(drivers/clk/clk-fixed-rate.c in Linux)

If you need a very simple clock to just provide fixed clock rate
like a crystal oscillator, you do not have to write a new driver.
This driver can support it.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Simon Glass <sjg@chromium.org>
8 years agoMerge git://git.denx.de/u-boot-dm
Tom Rini [Thu, 21 Jan 2016 16:49:49 +0000 (11:49 -0500)]
Merge git://git.denx.de/u-boot-dm

8 years agoMerge branch 'master' of git://git.denx.de/u-boot-i2c; branch 'master' of git://git...
Tom Rini [Thu, 21 Jan 2016 14:12:22 +0000 (09:12 -0500)]
Merge branch 'master' of git://git.denx.de/u-boot-i2c; branch 'master' of git://git.denx.de/u-boot-nds32

8 years agosunxi: Add support for the I2C controller which is part of the PRCM
Jelle van der Waa [Thu, 14 Jan 2016 13:06:26 +0000 (14:06 +0100)]
sunxi: Add support for the I2C controller which is part of the PRCM

Signed-off-by: Jelle van der Waa <jelle@vdwaa.nl>
[hdegoede@redhat.com: Minor cleanups]
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
applied with fixing 2 checkpatch warnings:
WARNING: please, no space before tabs

Signed-off-by: Heiko Schocher <hs@denx.de>
8 years agoi2c: mvtwsi: Fix mvtwsi not working on sun6i and newer sunxi SoCs
Hans de Goede [Thu, 14 Jan 2016 13:06:25 +0000 (14:06 +0100)]
i2c: mvtwsi: Fix mvtwsi not working on sun6i and newer sunxi SoCs

On sun6i and newer IFLG is a write-clear bit which is cleared by writing 1,
rather then a normal r/w bit which is cleared by writing 0.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
applied with fixing 3 checkpatch warnings
in drivers/i2c/mvtwsi.c:
WARNING: line over 80 characters
ERROR: code indent should use tabs where possible
WARNING: please, no spaces at the start of a line

Signed-off-by: Heiko Schocher <hs@denx.de>
8 years agonds32: Fix compile error.
rick [Tue, 19 Jan 2016 05:52:10 +0000 (13:52 +0800)]
nds32: Fix compile error.

Fix compile error with gcc 4.9.3

Signed-off-by: rick <rick@andestech.com>
Cc: Andes <uboot@andestech.com>
8 years agodm: video: test: Test that bitmap display works correctly
Simon Glass [Tue, 19 Jan 2016 02:52:28 +0000 (19:52 -0700)]
dm: video: test: Test that bitmap display works correctly

Add a test for the 'bmp' command. Test both the uncompressed and compressed
versions of the file, since they use different code paths.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Anatolij Gustschin <agust@denx.de>
8 years agodm: video: test: Add tests for rotated consoles
Simon Glass [Tue, 19 Jan 2016 02:52:27 +0000 (19:52 -0700)]
dm: video: test: Add tests for rotated consoles

Test that text is displayed correctly when the console is rotated.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Anatolij Gustschin <agust@denx.de>
8 years agodm: video: test: Add tests for the video uclass
Simon Glass [Tue, 19 Jan 2016 02:52:26 +0000 (19:52 -0700)]
dm: video: test: Add tests for the video uclass

Add tests that check that the video console is working correcty. Also check
that text output produces the expected result. Test coverage includes
character output, wrapping and scrolling.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Anatolij Gustschin <agust@denx.de>
8 years agodm: video: sandbox: Convert sandbox to use driver model for video
Simon Glass [Tue, 19 Jan 2016 02:52:25 +0000 (19:52 -0700)]
dm: video: sandbox: Convert sandbox to use driver model for video

Now that driver model support is available, convert sandbox over to use it.
We can remove a few of the special hooks that sandbox currently has.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Anatolij Gustschin <agust@denx.de>
8 years agosandbox: Move CONFIG_VIDEO_SANDBOX_SDL to Kconfig
Simon Glass [Tue, 19 Jan 2016 02:52:24 +0000 (19:52 -0700)]
sandbox: Move CONFIG_VIDEO_SANDBOX_SDL to Kconfig

Move this option to Kconfig. This is quite simple as only sandbox uses the
driver.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Anatolij Gustschin <agust@denx.de>
8 years agodm: stdio: video: Plumb the video uclass into stdio
Simon Glass [Tue, 19 Jan 2016 02:52:23 +0000 (19:52 -0700)]
dm: stdio: video: Plumb the video uclass into stdio

Register video drivers with stdio so that they can be used for text output.
This needs to be done explicitly for now. At some point we should be able to
convert stdio itself to driver model and avoid this step.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Anatolij Gustschin <agust@denx.de>
8 years agodm: video: Implement the bmp command for driver model
Simon Glass [Tue, 19 Jan 2016 02:52:22 +0000 (19:52 -0700)]
dm: video: Implement the bmp command for driver model

This command can use the bitmap display code in the uclass. This is similar
to the code in lcd.c and cfb_console.c. These other copies will go away when
all boards are converted to use driver model for video.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Anatolij Gustschin <agust@denx.de>
8 years agodm: common: Add memory reservation for the video uclass
Simon Glass [Tue, 19 Jan 2016 02:52:21 +0000 (19:52 -0700)]
dm: common: Add memory reservation for the video uclass

Before relocation we need to reserve memory for the video driver frame
buffers so that they can use this memory when they start up (after
relocation). Add a call to the uclass to permit this.

The current top and bottom of the region is stored in global_data so that
it can be checked post-relocation to ensure enough memory is available. No
video device should be probed before relocation.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Anatolij Gustschin <agust@denx.de>
8 years agocommon: Move LCD and video memory reservation together
Simon Glass [Tue, 19 Jan 2016 02:52:20 +0000 (19:52 -0700)]
common: Move LCD and video memory reservation together

These two functions are conceptually the same. Move them together in the
pre-relocation init.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Anatolij Gustschin <agust@denx.de>
8 years agodm: video: Add a driver for a rotated text console
Simon Glass [Tue, 19 Jan 2016 02:52:19 +0000 (19:52 -0700)]
dm: video: Add a driver for a rotated text console

Sometimes the console must be rotated. Add a driver which supports rotating
the text clockwise to 90, 180 and 270 degrees. This can support devices
where the display is rotated for mechanical reasons.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Anatolij Gustschin <agust@denx.de>
8 years agodm: video: Add a 'normal' text console driver
Simon Glass [Tue, 19 Jan 2016 02:52:18 +0000 (19:52 -0700)]
dm: video: Add a 'normal' text console driver

Most of the time we don't need to rotate the display so a simple font
blitting feature is enough for our purposes. Add a simple driver which
supports this function. It provides text output on the console using
the standard 8x16-pixel font.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Anatolij Gustschin <agust@denx.de>
8 years agodm: video: Add a uclass for the text console
Simon Glass [Tue, 19 Jan 2016 02:52:17 +0000 (19:52 -0700)]
dm: video: Add a uclass for the text console

The existing LCD/video interface suffers from conflating the bitmap display
with text output on that display. As a result the implementation is more
complex than it needs to me.

We can support multiple text console drivers. Create a separate uclass to
support this, with its own API.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Anatolij Gustschin <agust@denx.de>
8 years agodm: lcd: Avoid using the lcd.h header file with driver model
Simon Glass [Tue, 19 Jan 2016 02:52:16 +0000 (19:52 -0700)]
dm: lcd: Avoid using the lcd.h header file with driver model

The LCD functions and definitions are not used with the driver model video
uclass. When all boards are converted over we can remove the file. For now,
use #ifdef to omit the contents.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Anatolij Gustschin <agust@denx.de>
8 years agodm: video: Add a video uclass
Simon Glass [Tue, 19 Jan 2016 02:52:15 +0000 (19:52 -0700)]
dm: video: Add a video uclass

U-Boot has separate code for LCDs and 'video' devices. Both now use a
very similar API thanks to earlier work by Nikita Kiryanov. With the driver-
model conversion we should unify these into a single uclass.

Unfortunately there are different features supported by each. This
implementation provides for a common set of features which should serve
most purposes. The intent is to support:

- bitmap devices with 8, 16 and 32 bits per pixel
- text console wih white on black or vice versa
- rotated text console
- bitmap display (BMP format)

More can be added as additional boards are ported over to use driver model
for video.

The name 'video' is chosen for the uclass since it is more generic than LCD.
Another option would be 'display' but that would introduce a third concept
to U-Boot which seems like the wrong approach.

The existing LCD and video init functions are not needed now, so this uclass
makes no attempt to implement them.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Anatolij Gustschin <agust@denx.de>
8 years agoarm: ls1021atwr: Enable driver model lpuart serial driver
Bin Meng [Thu, 14 Jan 2016 03:39:06 +0000 (19:39 -0800)]
arm: ls1021atwr: Enable driver model lpuart serial driver

Convert ls1021atwr_nor_lpuart to driver model support. As a start,
enable lpuart serial port driver.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Alison Wang <alison.wang@nxp.com>
Tested-by: Alison Wang <alison.wang@nxp.com>
Acked-by: Simon Glass <sjg@chromium.org>
8 years agoarm: ls1021atwr: Split off board device tree
Bin Meng [Thu, 14 Jan 2016 03:39:05 +0000 (19:39 -0800)]
arm: ls1021atwr: Split off board device tree

Move /chosen node out of the board device tree.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
8 years agoserial: lpuart: Add driver model serial support
Bin Meng [Thu, 14 Jan 2016 03:39:04 +0000 (19:39 -0800)]
serial: lpuart: Add driver model serial support

This adds driver model support to lpuart serial driver.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Bhuvanchandra DV <bhuvanchandra.dv@toradex.com>
Tested-by: Bhuvanchandra DV <bhuvanchandra.dv@toradex.com>
8 years agoserial: lpuart: Prepare the driver for DM conversion
Bin Meng [Thu, 14 Jan 2016 03:39:03 +0000 (19:39 -0800)]
serial: lpuart: Prepare the driver for DM conversion

Create internal routines which take lpuart's register base as
a parameter, in preparation for driver model conversion.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Acked-by: Simon Glass <sjg@chromium.org>
8 years agoserial: lpuart: Call local version of setbrg and putc directly
Bin Meng [Thu, 14 Jan 2016 03:39:02 +0000 (19:39 -0800)]
serial: lpuart: Call local version of setbrg and putc directly

There is no need to go through serial driver subsystem, instead
call the driver's setbrg and putc routines directly.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Acked-by: Simon Glass <sjg@chromium.org>
8 years agoserial: lpuart: Fix several cosmetic issues
Bin Meng [Thu, 14 Jan 2016 03:39:01 +0000 (19:39 -0800)]
serial: lpuart: Fix several cosmetic issues

Clean up the driver codes a little bit, by:
- Use tab instead of space in the macro defines
- Use single line comment whenever possible
- Fix insertion of blank lines

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Acked-by: Simon Glass <sjg@chromium.org>
8 years agoserial: lpuart: Move CONFIG_FSL_LPUART to Kconfig
Bin Meng [Thu, 14 Jan 2016 03:39:00 +0000 (19:39 -0800)]
serial: lpuart: Move CONFIG_FSL_LPUART to Kconfig

LPUART is seen on Freescale VF610 and QorIQ Layerscape devices.
Create a Kconfig option and move it to defconfig for all boards
that have this serial driver.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Acked-by: Stefan Agner <stefan.agner@toradex.com>
Acked-by: Simon Glass <sjg@chromium.org>
8 years agoarm: ls1021atwr: Convert to driver model and enable serial support
Bin Meng [Thu, 14 Jan 2016 03:38:59 +0000 (19:38 -0800)]
arm: ls1021atwr: Convert to driver model and enable serial support

Convert ls1021atwr_nor to driver model support. As a start, enable
ns16550 serial port driver.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
8 years agoRevert "fdt_support: Add multi-serial support for stdout fixup"
Bin Meng [Thu, 14 Jan 2016 03:38:58 +0000 (19:38 -0800)]
Revert "fdt_support: Add multi-serial support for stdout fixup"

This reverts commit 3e303f748cf57fb23e8ec95ab7eac0074be50e2b.

The fix up in the /aliases node does not work under the following
scenarios:
- Not every non-DM serial driver was written to have a driver name
  that conforms the format of "serial%d" or "eserial%d".
- With driver model serial, the stdio_devices[] stores the serial
  device node name in the device tree.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
8 years agotest/py: add a test for the sleep command
Stephen Warren [Fri, 15 Jan 2016 18:15:31 +0000 (11:15 -0700)]
test/py: add a test for the sleep command

Execute "sleep", and validate that it sleeps for approximately the correct
amount of time.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Simon Glass <sjg@chromium.org>
8 years agotest/py: test the ums command
Stephen Warren [Fri, 15 Jan 2016 18:15:30 +0000 (11:15 -0700)]
test/py: test the ums command

This test invokes the "ums" command in U-Boot, and validates that a USB
storage device is enumerated on the test host system, and can be read
from.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Simon Glass <sjg@chromium.org>
8 years agotest/py: test the shell if command
Stephen Warren [Fri, 15 Jan 2016 18:15:29 +0000 (11:15 -0700)]
test/py: test the shell if command

Migrate all most tests from command_ut.c into the Python test system.
This allows the tests to be run against any U-Boot binary that supports
the if command (i.e. where hush is enabled) without requiring that
binary to be permanently bloated with the code from command_ut.

Some tests in command_ut.c can only be executed from C code, since they
test internal (more unit-level) features of various U-Boot APIs. The
migrated tests can all operate directly from the U-Boot console.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Simon Glass <sjg@chromium.org>
8 years agotest/py: add test of basic shell functionality
Stephen Warren [Fri, 15 Jan 2016 18:15:28 +0000 (11:15 -0700)]
test/py: add test of basic shell functionality

This tests whether the following features of the U-Boot shell:
- Execution of a directly entered command.
- Compound commands (; delimiter).
- Quoting of arguments containing spaces.
- Executing commands from environment variables.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Simon Glass <sjg@chromium.org>
8 years agotest/py: test the md/mw commands
Stephen Warren [Fri, 15 Jan 2016 18:15:27 +0000 (11:15 -0700)]
test/py: test the md/mw commands

This tests whether md/mw work, and affect each-other.

Command repeat is also tested.

test/cmd_repeat.sh is removed, since the new Python-based test does
everything it used to.

Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Simon Glass <sjg@chromium.org>