driver: brcm: add i2c driver
Broadcom I2C controller driver. Follwoing API's are supported:-
- i2c_init() Intialize ethe I2C controller
- i2c_probe()
- i2c_set_bus_speed() Set the I2C bus speed
- i2c_get_bus_speed() Get the current bus speed
- i2c_recv_byte() Receive one byte of data.
- i2c_send_byte() Send one byteof data
- i2c_read_byte() Read single byte of data
- i2c_read() Read multiple bytes of data
- i2c_write_byte Write single byte of data
- i2c_write() Write multiple bytes of data
This driver is verified by reading the DDR SPD data.
Signed-off-by: Bharat Gooty <bharat.gooty@broadcom.com>
Change-Id: I2d7fe53950e8b12fab19d0293020523ff8b74e13
diff --git a/plat/brcm/board/common/board_common.mk b/plat/brcm/board/common/board_common.mk
index 3069f91..2945749 100644
--- a/plat/brcm/board/common/board_common.mk
+++ b/plat/brcm/board/common/board_common.mk
@@ -1,5 +1,5 @@
#
-# Copyright (c) 2015 - 2020, Broadcom
+# Copyright (c) 2015 - 2021, Broadcom
#
# SPDX-License-Identifier: BSD-3-Clause
#
@@ -36,6 +36,10 @@
DRIVER_SPI_ENABLE := 0
endif
+ifeq (${DRIVER_I2C_ENABLE},)
+DRIVER_I2C_ENABLE := 0
+endif
+
# By default, Trusted Watchdog is always enabled unless SPIN_ON_BL1_EXIT is set
ifeq (${BRCM_DISABLE_TRUSTED_WDOG},)
BRCM_DISABLE_TRUSTED_WDOG := 0
@@ -181,6 +185,12 @@
drivers/brcm/spi_flash.c
endif
+ifeq (${DRIVER_I2C_ENABLE},1)
+$(eval $(call add_define,DRIVER_I2C_ENABLE))
+BL2_SOURCES += drivers/brcm/i2c/i2c.c
+PLAT_INCLUDES += -Iinclude/drivers/brcm/i2c
+endif
+
ifeq (${DRIVER_OCOTP_ENABLE},1)
$(eval $(call add_define,DRIVER_OCOTP_ENABLE))
BL2_SOURCES += drivers/brcm/ocotp.c