Commit graph

30 commits

Author SHA1 Message Date
Dino Li
36164c29c1 espi: it8xxx2: enable configuration of Chromebook
This enables the below configuration so the AP and EC are able to
communicate over eSPI:

CONFIG_ESPI_PERIPHERAL_EC_HOST_CMD
CONFIG_ESPI_PERIPHERAL_ACPI_SHM_REGION
CONFIG_ESPI_PERIPHERAL_CUSTOM_OPCODE

Signed-off-by: Dino Li <Dino.Li@ite.com.tw>
2022-02-21 22:01:48 -05:00
BJ Chen
59cd9fd551 ITE: drivers/peci: Add PECI driver module of ITE IT8xxx2
Added the PECI driver tested with the samples/drivers/peci.

Signed-off-by: BJ Chen <bj.chen@ite.com.tw>
2022-02-21 19:43:40 -05:00
Tim Lin
95ba8e3fe4 ITE: drivers/bbram: add magic number to compare in initial
BBRAM content should be cleared when boot from cutoff. Compare magic
number to decide whether to clear entire BBRAM.

Signed-off-by: Tim Lin <tim2.lin@ite.corp-partner.google.com>
2022-01-17 11:52:13 -05:00
Tim Lin
45b6aa4c3b ITE: drivers/i2c: add the compatibility of GPIO F2/F3 for i2c3
The default I2C channel 3 is used by alternate function of GPIO H1/H2
Krabby uses GPIO F2/F3 as I2C channel 3, so we need to add the
compatibility of the GPIO F2/F3.

TEST=test on it8xxx2_evb:
zmake configure -b zephyr/projects/it8xxx2_evb/

Signed-off-by: Tim Lin <tim2.lin@ite.corp-partner.google.com>
2022-01-11 11:49:16 +01:00
BJ Chen
8d895a7d7a soc: it8xxx2: cleanup: Obsolete PS/2 registers definitions removal
Removed the obsolete PS/2 registers definitions
for the PS/2 module was removed from the chip

Signed-off-by: BJ Chen <bj.chen@ite.com.tw>
2021-12-01 13:50:27 -06:00
Ruibin Chang
fad78a2c07 ITE drivers/sensor: add tachometer driver for it8xxx2_evb
Add tachometer driver for it8xxx2_evb.

Signed-off-by: Ruibin Chang <Ruibin.Chang@ite.com.tw>
2021-11-29 08:25:19 -05:00
Dino Li
f1f0dadad3 driver: espi: it8xxx2: enable ESPI_OOB_CHANNEL
This enable eSPI out-of-band channel.

Signed-off-by: Dino Li <Dino.Li@ite.com.tw>
2021-11-26 10:26:52 -05:00
Dino Li
6d8f1bf6d9 soc: it8xxx2: add support for eSPI driver
This supports eSPI slave, virtual wire, and peripheral functions.

Signed-off-by: Dino Li <Dino.Li@ite.com.tw>
2021-11-12 14:51:10 +01:00
Ruibin Chang
d16ae76d30 ITE drivers/kscan: add keyboard scan driver for it8xxx2_evb
Add keyboard scan driver for board it8xxx2_evb.

Signed-off-by: Ruibin Chang <ruibin.chang@ite.com.tw>
2021-09-28 19:53:15 -04:00
Tim Lin
f9a8a1dc0b ITE: soc: it8xxx2: move the timer registers to header file
The free run timer will be used to count before entering hibernate
mode. Move the related registers to the head file for accessing.

Signed-off-by: Tim Lin <tim2.lin@ite.corp-partner.google.com>
2021-09-03 08:07:08 -04:00
Tim Lin
9938519c93 ITE: soc: it8xxx2: add register build asserts to validate the offsets
Add build asserts to validate the offsets are the expected value.

Signed-off-by: Tim Lin <tim2.lin@ite.corp-partner.google.com>
2021-08-25 18:04:37 -04:00
Tim Lin
033eb55aca ITE: riscv: it8xxx2: declare gctrl dts node and registers
Add general control(gctrl) node in dts, and declare gctrl registers

Signed-off-by: Tim Lin <tim2.lin@ite.corp-partner.google.com>
2021-08-25 18:04:37 -04:00
Dino Li
9c47f314a5 flash: it8xxx2: add a short delay before #CS be driven high
The delay will ensure last byte has been latched in before

This also change the method of reading status register from re-send
read status command on each read to read status register continuously.

Signed-off-by: Dino Li <Dino.Li@ite.com.tw>
2021-08-18 20:10:05 -04:00
Ruibin Chang
21f0f958fe ITE drivers/ite_it8xxx2_timer: re-write ite timer driver
Re-write ite timer driver.

Signed-off-by: Ruibin Chang <ruibin.chang@ite.com.tw>
2021-07-24 21:26:49 -04:00
Dino Li
b316d18cb0 drivers: gpio: it8xxx2: add support for GPIO_VOLTAGE_ flags
Support GPIO_VOLTAGE_1P8, GPIO_VOLTAGE_3P3 flags on IT8xxx2 chips.

Signed-off-by: Dino Li <Dino.Li@ite.com.tw>
2021-07-15 13:53:54 -05:00
Dino Li
7d5411d6e0 soc: it8xxx2: introduce SOC_IT8XXX2_PLL_FLASH_48M option
Enable SOC_IT8XXX2_PLL_FLASH_48M at default to reduce latency of
fetching code from flash.

Signed-off-by: Dino Li <Dino.Li@ite.com.tw>
2021-07-13 09:44:29 -04:00
Ruibin Chang
d0ce9bb877 ITE drivers/pwm: add PWM for it8xxx2
Add pulse width modulator (PWM) for it8xxx2.

Signed-off-by: Ruibin Chang <ruibin.chang@ite.com.tw>
2021-07-01 13:21:06 -04:00
Tim Lin
ef3c8507a6 ite: drivers/flash: add flash driver for it8xxx2
Add flash driver for it8xxx2. The driver can implement
flash read, write and erase that will be mapped to the
ram section for executing.

TEST="flash write 0x80000 0x10 0x20 0x30 0x40 ..."
     "flash read 0x80000 0x100"
     "flash erase 0x80000 0x1000"

Signed-off-by: Tim Lin <tim2.lin@ite.corp-partner.google.com>
2021-06-22 15:15:20 -04:00
Ruibin Chang
d45668480a ITE driver/watchdog: add watchdog timer for it8xxx2
Add watchdog timer for it8xxx2.

Signed-off-by: Ruibin Chang <ruibin.chang@ite.com.tw>
2021-06-18 11:21:53 +02:00
Ruibin Chang
0c3bb75a05 ITE soc/riscv/riscv-ite/common/chipregs: add registers and IRQ num
Add registers and IRQ number for PD control.

Signed-off-by: Ruibin Chang <ruibin.chang@ite.com.tw>
2021-06-17 12:42:19 +02:00
Ruibin Chang
3360637aff ITE Keyboard scan: add registers for ITE keyboard scan driver
Add registers for it8xxx2 keyboard scan driver.

Signed-off-by: Ruibin Chang <Ruibin.Chang@ite.com.tw>
2021-05-17 15:24:11 -04:00
Tim Lin
5f5fb7d792 ite: drivers/adc: it8xxx2: fix adc driver flow
This commit fixes the ADC driver flow. And add internal
reference voltage to ADC driver API. And correct the
data buffer that only need to store raw data.

Signed-off-by: Tim Lin <tim2.lin@ite.corp-partner.google.com>
2021-05-13 11:54:05 -04:00
Tim Lin
caa3328cc7 ite: drivers/pinmux: modify pinmux driver
Modify the pinmux control method and add support the fun3
& fun4 alternation function.

Signed-off-by: Tim Lin <tim2.lin@ite.corp-partner.google.com>
2021-05-05 08:45:16 -04:00
Dino Li
ee39291553 dts: it8xxx2: change flash size to 1M byte
Flash size of IT8xxx2 is 1M byte.

Change-Id: Ic1464b6e36f16291f14024a6fb49acbf3a243176
Signed-off-by: Dino Li <Dino.Li@ite.com.tw>
2021-04-29 16:47:47 -05:00
Tim Lin
14e9e7a814 soc: riscv/riscv-ite: chip_chipregs: add chip register address
Add register address including external timer and watchdog(ETWD),
general control(GCTRL), serial peripheral interface(SPI).


Signed-off-by: Tim Lin <tim2.lin@ite.corp-partner.google.com>
2021-04-23 07:03:10 -04:00
Dino Li
0ab51ff657 drivers: gpio: ite_it8xxx2: enable more gpio groups
This change enables A, C, D, E, G, H, I, J, K, and L groups,
and fix gpio interrupt function.

This change also pull (and rename) dt-bindings/irq.h to
dt-bindings/interrupt-controller/ite-intc.h, because it is
chip-specific.

Signed-off-by: Dino Li <Dino.Li@ite.com.tw>
Change-Id: Ifee039981c2cc4cf5980e663702a9921e629fc1e
2021-04-23 06:31:56 -04:00
Tim Lin
cd96046bee ite: drivers/adc: add adc drivers on it8xxx2_evb platform
This commit is about the it8xxx2 analog to digital converter
driver. Support 8 channels ch0~ch7 and 10-bit resolution.

Signed-off-by: Tim Lin <tim2.lin@ite.corp-partner.google.com>
2021-04-13 13:01:56 -04:00
Tim Lin
981166eb8e drivers/i2c: add i2c driver on it8xxx2 platform
This commit is about the it8xxx2 i2c master driver which
includes six SMBus channels. The enhanced channel i2c3,
i2c4, i2c5 are controller which are designed to support
the I2C protocol.

Signed-off-by: Tim Lin <tim2.lin@ite.corp-partner.google.com>
2021-01-15 11:22:57 -05:00
Tim Lin
8f4692083c soc/riscv: correct the name of the register
correct the name of bit5 of GCR2 register from SMB4E to SMB3E.

Signed-off-by: Tim Lin <tim2.lin@ite.corp-partner.google.com>
2021-01-15 11:22:57 -05:00
Cheryl Su
46efefbbe5 soc/riscv: it8xxx2 soc system
A new platform soc for it8xxx2.
Revising the test/kernel/context/src/main.c for it8xxx2 test case.

Signed-off-by: Cheryl Su <cheryl.su@ite.com.tw>
2020-12-16 08:47:36 -05:00