ARM: tegra: colibri_t20: use high speed uart driver

Use high speed UART driver compatible nvidia,tegra20-hsuart.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t20: iris: add uart-c

Add UART-C.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t20: iris: annotate uarts

Annotate UART-A and UART-B.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t20: iris: display controller rgb panel support

Add display controller parallel RGB panel support incl. backlight PWM.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t20: add missing pinmux

Explicitly add pinmux' for all T20 SoC ball groups now:
- Colibri Address/Data Bus (GMI) further pins used as GPIOs
- Colibri BL_ON
- Colibri EXT_IO*
- Colibri L_BIAS, LCD_M1 is muxed with LCD_DE today's display need DE,
  disable LCD_M1
- more Colibri LCD pins (L_* resp. LDD<*>)
- Colibri LCD (Optional 24 BPP Support)
- Colibri MMCCD
- uart_a_dsr and uart_a_dcd as GPIOs
- Colibri USB_CDET
- I2C3 (Optional)
- JTAG_RTCK
- LAN_RESET, LAN_EXT_WAKEUP and LAN_PME (All On-module)
- more NAND pins
- RESET_OUT
- THERMD_ALERT# (On-module), unlatched I2C address pin of LM95245
  temperature sensor therefore requires disabling for now

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t20: pinmux clean-up

Just cosmetic pinmux clean-up.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t20: update sound nvidia,model

Update sound nvidia,model to be more in-line with our other device
trees.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t20: indentation/line-feed/white-space clean-up

Cleaning up indentation, line-feed and white-space.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t20: remove phy-reset-gpio from controller node

Remove the phy-reset-gpio from the USB controller node as it is already
specified in the PHY node.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t20: annotate usb ehci instances

Annotate USB EHCI instances.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t20: add missing regulators

Add missing regulators:
- reg_lan_v_bus being USB Ethernet chip vbus supply
- carrier board reg_3v3 to be used as backlight and panel power supply
- carrier board HDMI supply being reg_5v0
- reg_usbc_vbus being the USB vbus supply of the EHCI instance 0

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t20: regulator clean-up

Just cosmetic regulator clean-up.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t20: iris: use no-1-8-v

Use no-1-8-v property rather than vmmc/vqmmc supplies and drop now
obsolete and anyway non-existent vcc_sd.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t20: reorder host1x/hdmi properties

Reorder Host1x/HDMI properties.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t20: add local-mac-address property

Add empty local-mac-address property to be filled in by boot loader
(e.g. U-Boot).

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t20: iris: annotate i2c busses

Annotate I2C busses: GEN2_I2C and CAM_I2C (I2C3) being unused and
DDC_CLOCK/DATA on X3 pin 15/16 e.g. used for display EDID.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t20: iris: add missing aliases

Add rtc0 being the ultra low-power I2C one as found on the carrier board
and the 3rd UART being NVIDIA's UARTB.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t20: iris: integrate i2c real time clock support

Integrate support for GEN1_I2C aka I2C_SDA/SCL on SODIMM pin 194/196 and
the M41T0M6 real time clock on the carrier board.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t20: move aliases from module to carrier board

Move RTC aliases from module to carrier board to be more in-line with
all our other device trees.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: apalis-tk1: drop unused hdmi_ddc label

Drop unused hdmi_ddc label.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: apalis-tk1: shorten temperature-sensor node

Shorten temperature-sensor node to just temp-sensor as suggested
in the binding documentation.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: apalis-tk1: get rid of fake clocks simple bus

Get rid of the fake clocks simple bus and use node names as per the
actual schematics.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: apalis-tk1: replace underscores in node names with dashes

As underscores in node names are not recommended replace them all where
possible with dashes.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: apalis-tk1: drop obsolete spidev nodes

Drop obsolete spidev device tree nodes as nowadays one should do this
by binding the spidev driver to specific instances/chip selects at
runtime.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: apalis-tk1: drop module level model and compatible

Drop model and compatible nodes from the module level device tree as
they get overridden by the carrier board device tree anyway.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: apalis-tk1: reorder SD card properties

Reorder SD card properties.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: apalis-tk1: reorder cpu dfll clock properties

Reorder CPU DFLL clock properties.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: apalis-tk1: add toradex, apalis-tk1-v1.2 compatible

Add toradex,apalis-tk1-v1.2 compatible.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: apalis-tk1: enable emmc ddr52 mode

Add mmc-ddr-1_8v property enabling eMMC DDR52 mode.

root@apalis-tk1-mainline:~# cat /sys/kernel/debug/mmc2/ios
clock:          52000000 Hz
actual clock:   52000000 Hz
vdd:            21 (3.3 ~ 3.4 V)
bus mode:       2 (push-pull)
chip select:    0 (don't care)
power mode:     2 (on)
bus width:      3 (8 bits)
timing spec:    8 (mmc DDR52)
signal voltage: 1 (1.80 V)
driver type:    0 (driver type B)
root@apalis-tk1-mainline:~# hdparm -t /dev/mmcblk2

/dev/mmcblk2:
 Timing buffered disk reads: 256 MB in  3.02 seconds =  84.83 MB/sec

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: apalis-tk1: add proper emmc vmmc and vqmmc supplies

Add proper eMMC vmmc and vqmmc supplies e.g. fixing signalling voltage.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: apalis-tk1: reorder backlight properties

Reorder backlight properties.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: apalis-tk1: white-space clean-up

White-space clean-up.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: apalis-tk1: drop unused pinmux label

Drop unused pinmux label.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: apalis-tk1: add missing regulators

Add missing regulators:
- reg_module_3v3_audio being VDDA supply of SGTL5000
- VDDD supply of SGTL5000 actually being reg_1v8_vio
- TMP451 temperature sensor vcc supply being reg_module_3v3
- usb3-0 vbus supply being reg_usbh_vbus
- usb3-1 vbus supply being reg_usbo1_vbus
- carrier board HDMI supply being reg_5v0
- carrier board sata target 5v supply being reg_5v0
- carrier board sata target 12v supply being reg_12v0
- carrier board reg_3v3 actually being backlight power supply

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: apalis-tk1: regulator clean-up

Just cosmetic regulator clean-up.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: apalis-tk1: reorder padctl properties

Reorder padctl properties.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: apalis-tk1: reorder host1x/hdmi properties

Reorder Host1x/HDMI properties.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: apalis-tk1: add local-mac-address property

Add empty local-mac-address property to be filled in by boot loader
(e.g. U-Boot).

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t30: annotate power I2C being on-module

The power I2C bus aka PWR_I2C which connects to the audio codec, PMIC,
temperature sensor and touch screen controller is really on-module only.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t30: annotate unused i2c busses

Both GEN2_I2C as well as CAM_I2C (I2C3) are unused in our design.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t30: add mcp2515 vdd and xceiver supplies

Add the MCP2515 SPI CAN controller's vdd-supply being the regular
carrier board's reg_3v3 and xceiver-supply being reg_5v0.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t30: remove unused mcp2515 can0 label

Get rid of the unused MCP2515 SPI CAN controller can0 label.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t30: fix mcp2515 can controller interrupt polarity

Fix the MCP2515 SPI CAN controller interrupt polarity which according
to its datasheet defaults to low-active aka falling edge.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t30: rename tps65911@2d, stmpe811@41 and tps62362@60

Rename a few nodes using more common names:
- rename tps65911@2d to pmic@2d
- rename stmpe811@41 to touchscreen@41
- rename tps62362@60 to regulator@60

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t30: rename hdmiddc to hdmi_ddc

Rename hdmiddc to hdmi_ddc to be more in-line with other device trees.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t30: drop obsolete spidev node

Drop obsolete spidev device tree node as nowadays one should do this
by binding the spidev driver to specific instances/chip selects at
runtime.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t30: drop module level model and compatible

Drop model and compatible nodes from the module level device tree as
they get overridden by the carrier board device tree anyway.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t30: update compatibility comment

Update compatibility comment.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t30: annotate ehci instance 1

Annotate EHCI instance 1 (USB2_DP/N) connecting to ASIX AX88772B USB to
Ethernet chip being on-module.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t30: annotate sd card detect

Annotate SD card detect.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t30: enable hda over hdmi

Enable HDA over HDMI.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t30: add gpio hog to unreset usb ethernet chip

Add GPIO hog to unreset ASIX AX88772B USB Ethernet chip.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t30: remove unused nvidia, is-wired property

Remove unused nvidia,is-wired property.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t30: move input include to carrier board

Move input include to carrier board.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t30: line break long compatible property line

Line break long compatible property line.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t30: get rid of fake clocks simple bus

Get rid of the fake clocks simple bus and use node names as per the
actual schematics.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t30: enable emmc ddr52 mode

Add mmc-ddr-1_8v property enabling eMMC DDR52 mode.

root@colibri-t30:~# cat /sys/kernel/debug/mmc1/ios
clock:          52000000 Hz
actual clock:   52000000 Hz
vdd:            21 (3.3 ~ 3.4 V)
bus mode:       2 (push-pull)
chip select:    0 (don't care)
power mode:     2 (on)
bus width:      3 (8 bits)
timing spec:    8 (mmc DDR52)
signal voltage: 1 (1.80 V)
driver type:    0 (driver type B)
root@colibri-t30:~# hdparm -t /dev/mmcblk1

/dev/mmcblk1:
 Timing buffered disk reads: 222 MB in  3.00 seconds =  73.92 MB/sec

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t30: add proper emmc vmmc and vqmmc supplies

Add proper eMMC vmmc and vqmmc supplies e.g. fixing signalling voltage.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t30: add i2c-thermtrip

Add i2c-thermtrip which would set the DEV_OFF bit in the DCDC control
register of the TPS65911 PMIC.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t30: further lm95245 temperature sensor annotation

Further LM95245 temperature sensor annotation.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t30: use proper irq-gpio for stmpe811

Use proper irq-gpio for stmpe811 touch controller.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t30: add missing pinmux

Explicitly mux all T30 SoC balls now:
- Colibri Address/Data Bus (GMI)
- Colibri DDC
- Colibri EXT_IO*
- Colibri GPIO
- Colibri HOTPLUG_DETECT (HDMI)
- Colibri I2C
- Colibri LCD (L_* resp. LDD<*>)
- Colibri MMC_CD
- Colibri nRESET_OUT
- Colibri Parallel Camera (Optional)
- Colibri PWM<B>, <C>, <D>
- Colibri VGA
- Colibri USBC_DET
- Colibri USBH_PEN
- Colibri USBH_OC
- on-module AX88772B LAN control signals
- Colibri nBATT_FAULT(SENSE) and nVDD_FAULT(SENSE
- not connected and therefore disabled signals

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t30: pinmux clean-up

Clean-up pinmuxing:
- white-space clean-up
- explicitly disable LCD_M1 in favour of LCD_DE on L_BIAS
- explicitly disable multiplexed SSPFRM and SSPTXD
- get rid of nvidia,lock property
- add missing eMMC sdmmc4_cmd_pt7 and explicitly enable input
- explicitly disable lcd_dc1_pd2 (e.g. LM95245 I2C address pin)
- annotate TOUCH_PEN_INT# being on-module
- As underscores in node names are not recommended replace them all
  where possible with dashes.
- Replace underscores in UART annotations (e.g. UART_A) with dashes
  (e.g. UART-A) to be more in-line with our Colibri standard.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t30: drop pwmleds

Drop pwmleds in favour of using regular PWMs.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t30: reorder backlight properties

Reorder backlight properties.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t30: move dr_mode property from phy to controller

Move dr_mode property from USB PHY node to controller.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t30: white-space clean-up

White-space clean-up.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t30: annotate uarts and move compatible to board

Annotate UARTs and move the serial UART "nvidia,tegra30-hsuart"
compatible definitions from the carrier board to the module level device
trees. One could still override this in a custom carrier board device
tree if required.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t30: add missing regulators

Add missing regulators:
- reg_module_3v3_audio being VDDA supply of SGTL5000
- VDDD supply of SGTL5000 actually being reg_1v8_vio
- reg_lan_v_bus being USB Ethernet chip vbus supply
- carrier board HDMI supply being reg_5v0
- carrier board reg_3v3 actually being backlight and panel power supply

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t30: regulator clean-up

Just cosmetic regulator clean-up.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t30: reorder host1x/hdmi properties

Reorder Host1x/HDMI properties.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: colibri_t30: add local-mac-address property

Add empty local-mac-address property to be filled in by boot loader
(e.g. U-Boot).

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: apalis_t30: support v1.1 hardware revision

Support the V1.1 hardware revisions with the following change:

Changed power rail for MMC1 interface to a 3.3V/1.8V switchable rail in
order to be able to run UHS SD cards in ultra high speed 1.8V mode.

[  207.502011] mmc2: host does not support reading read-only switch,
 assuming write-enable
[  207.517011] mmc2: new ultra high speed SDR104 SDHC card at address
 aaaa
[  207.534190] mmcblk2: mmc2:aaaa SE32G 29.7 GiB
[  207.545096]  mmcblk2: p1

root@apalis-t30:~# cat /sys/kernel/debug/mmc2/ios
clock:          208000000 Hz
actual clock:   204000000 Hz
vdd:            21 (3.3 ~ 3.4 V)
bus mode:       2 (push-pull)
chip select:    0 (don't care)
power mode:     2 (on)
bus width:      2 (4 bits)
timing spec:    6 (sd uhs SDR104)
signal voltage: 1 (1.80 V)
driver type:    0 (driver type B)
root@apalis-t30:~# hdparm -t /dev/mmcblk2

/dev/mmcblk2:
 Timing buffered disk reads: 256 MB in  3.02 seconds =  84.71 MB/sec

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: apalis_t30: move hda node from carrier to module

Move the hda node from the carrier board to the module level device
tree.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: apalis_t30: fix mcp2515 can controller interrupt polarity

Fix the MCP2515 SPI CAN controller interrupt polarity which according
to its datasheet defaults to low-active aka falling edge.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: apalis_t30: rename tps65911@2d, stmpe811@41 and tps62362@60

Rename a few nodes using more common names:
- rename tps65911@2d to pmic@2d
- rename stmpe811@41 to touchscreen@41
- rename tps62362@60 to regulator@60

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: apalis_t30: rename hdmiddc to hdmi_ddc

Rename hdmiddc to hdmi_ddc to be more in-line with other device trees.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: apalis_t30: hog group for pcie switch reset gpio

The Apalis Evaluation Board uses Apalis GPIO7 on MXM3 pin 15 as reset
signal for its PLX PEX 8605 PCIe Switch.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: apalis_t30: drop obsolete spidev nodes

Drop obsolete spidev device tree nodes as nowadays one should do this
by binding the spidev driver to specific instances/chip selects at
runtime.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: apalis_t30: drop module level model and compatible

Drop model and compatible nodes from the module level device tree as
they get overridden by the carrier board device tree anyway.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

dt-bindings: add broadcom (formerly plx technology) vendor prefix

PLX Technology meanwhile got bought by Broadcom Corporation but the
vendor prefix plx is still used in 8 current device trees. This silences
the following checkpatch.pl warning:

WARNING: DT compatible string vendor "plx" appears un-documented
 -- check ./Documentation/devicetree/bindings/vendor-prefixes.txt

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: apalis_t30: line break long compatible property line

Line break long compatible property line.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: apalis_t30: get rid of fake clocks simple bus

Get rid of the fake clocks simple bus and use node names as per the
actual schematics.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: apalis_t30: enable emmc ddr52 mode

Add mmc-ddr-1_8v property enabling eMMC DDR52 mode.

root@apalis-t30:~# cat /sys/kernel/debug/mmc1/ios
clock:          52000000 Hz
actual clock:   52000000 Hz
vdd:            21 (3.3 ~ 3.4 V)
bus mode:       2 (push-pull)
chip select:    0 (don't care)
power mode:     2 (on)
bus width:      3 (8 bits)
timing spec:    8 (mmc DDR52)
signal voltage: 1 (1.80 V)
driver type:    0 (driver type B)
root@apalis-t30:~# hdparm -t /dev/mmcblk1

/dev/mmcblk1:
 Timing buffered disk reads: 232 MB in  3.01 seconds =  77.10 MB/sec

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: apalis_t30: add proper emmc vmmc and vqmmc supplies

Add proper eMMC vmmc and vqmmc supplies e.g. fixing signalling voltage.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: apalis_t30: add i2c-thermtrip

Add i2c-thermtrip which would set the DEV_OFF bit in the DCDC control
register of the TPS65911 PMIC.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: apalis_t30: further lm95245 temperature sensor annotation

Further LM95245 temperature sensor annotation.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: apalis_t30: use proper irq-gpio for stmpe811

Use proper irq-gpio for stmpe811 touch controller.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: apalis_t30: add missing pinmux

Explicitly mux all T30 SoC balls now:
- Apalis GPIO
- Apalis HDMI1
- Apalis I2C1
- Apalis I2C2 (DDC)
- Apalis LCD1
- Apalis Parallel Camera
- Apalis SATA1_ACT#
- Apalis SPDIF1
- Apalis TS (Low-speed type specific)
- Apalis USBH_EN
- Apalis USBH_OC#
- Apalis VGA1
- on-module i210/i211 LAN control signals
- not connected and therefore disabled signals

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: apalis_t30: pinmux clean-up

Clean-up pinmuxing:
- white-space clean-up
- explicitly disable input of BKL1_ON, BKL1_PWM and BKL1_PWM_EN#
- annotate Apalis I2C3 usage for CAM
- get rid of nvidia,lock property
- add missing eMMC sdmmc4_cmd_pt7 and explicitly enable input
- explicitly disable lcd_dc1_pd2 (e.g. LM95245 I2C address pin)
- annotate TOUCH_PEN_INT# being on-module
- As underscores in node names are not recommended replace them all
  where possible with dashes.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: apalis_t30: drop pwmleds

Drop pwmleds in favour of using regular PWMs.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: apalis_t30: reorder backlight properties

Reorder backlight properties.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: apalis_t30: move dr_mode property from phy to controller

Move dr_mode property from USB PHY node to controller.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: apalis_t30: annotate mmc1/sd1

Annotate MMC1/SD1.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: apalis_t30: drop unused mmc1/sd1 labels

Drop unused mmc1/sd1 labels.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: apalis_t30: white-space/newline clean-up

White-space and newline clean-up.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: apalis_t30: drop unused cami2c label

Drop unused cami2c label.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: apalis_t30: annotate uarts and move compatible to board

Annotate UARTs and move the serial UART "nvidia,tegra30-hsuart"
compatible definitions from the carrier board to the module level device
trees. One could still override this in a custom carrier board device
tree if required.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: apalis_t30: add missing regulators

Add missing regulators:
- reg_module_3v3_audio being VDDA supply of SGTL5000
- VDDD supply of SGTL5000 actually being reg_1v8_vio
- carrier board HDMI supply being reg_5v0
- carrier board reg_3v3 actually being backlight and panel power supply

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

ARM: tegra: apalis_t30: regulator clean-up

Just cosmetic regulator clean-up.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>