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author | Aseda Aboagye <aaboagye@google.com> | 2022-01-10 17:26:56 -0600 |
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committer | Aseda Aboagye <aaboagye@google.com> | 2022-01-10 17:26:56 -0600 |
commit | dc11829e169a9c425860ec5cca949ef80df9e0b7 (patch) | |
tree | 0517b0831c6e52b347926a1b727741df380e908c /board/draco/i2c.c | |
parent | c5bd23a4b204565dab616f7fa4ee8a0b7b433d4c (diff) | |
parent | b44d10f8f79cadb259cc7ab79714a0919fc0c4c8 (diff) | |
download | chrome-ec-dc11829e169a9c425860ec5cca949ef80df9e0b7.tar.gz |
Merge remote-tracking branch cros/main into firmware-keeby-14119.B-mainfirmware-keeby-14119.B-main
Relevant changes:
git log --oneline c5bd23a4b..b44d10f8f -- baseboard/dedede board/cappy2
board/corori board/driblee board/gooey board/haboki board/lalala
board/waddledoo2 common/charge_state_v2.c common/mkbp_* common/ocpc.c
common/usbc/usb_tc_drp_acc_trysrc_sm.c common/usbc/usb_sm.c
common/usbc/*_pd_* common/usbc/dp_alt_mode.c common/usbc/usb_prl_sm.c
common/usbc/usb_pe_drp_sm.c common/usb_charger.c common/usb_common.c
common/usbc_ocp.c driver/charger/sm5803.* driver/charger/isl923x.*
driver/tcpm/raa489000.* driver/tcpm/it83* include/power/icelake.h
include/intel_x86.h power/icelake.c power/intel_x86.c util/getversion.sh
42d03a001 config: change temp_sensor_power from config to gpio
e296efb28 usb_common: Fix CONFIG_USB_PD_DISCHARGE_TCPC typo
c346481f4 atomic: cast to unsigned when shifting
9b972a0f2 driver/tcpm/it83xx, it8xxx2: ITE inactive port return from HOOK
a499d8fd4 driver/tcpm/it83xx, it8xxx2: set sleep mask for mixed TCPC case
ed62e2583 TCPMv2: don't set the sleep mask for TCPC embedded in EC
c962696e8 motion_sensor: Remove |int_signal| field
86b216794 ocpc: modify pre-charge target condition
6f8336eb4 dedede: Set MKBP event wake mask to 0
02d034df0 dedede: add stylus fw_config
4f7cd7509 atomic: use atomic_t where it is possible
e3ffa0519 mkbp: change the type fifo_entries to atomic_t
bb4c47af0 usb: use atomic_t where possible
c6e513ee2 power/icelake: Add SLP_S5 as a watched power signal
d89e49b20 power: Introduce S4 as a real power state
ba8a3c9c0 chgstv2: Use chipset_in_state instead of naming states
23a975d12 i2c: Use declared initializers for i2c_ports: boards a-l
35865dbec TCPMv2: Guard DATA_RESET using CONFIG_USB_PD_DATA_RESET_MSG
d4d8243ed i2c: Use declared initializers for i2c_ports: baseboards
eba8d0305 RAA489000: Fixed RAA489000 max charging current
e78b83e0f TCPMv2: Delay Data Reset until mode entry request
6230e60fc TCPMv2: Support Data Reset as DFP, initiator
412246836 intel_x86: Apply chipset resume init and suspend complete hooks
f2809b72c config: rename CONFIG_HOSTCMD_ESPI to CONFIG_HOST_INTERFACE_ESPI
BRANCH=None
BUG=b:202796060 b:207805856 b:167983049 b:208318528 b:181983966
BUG=b:207328258 b:195416058 b:205285137 b:199919093 b:207055975
BUG=b:129159505 b:204947672 b:141363146 b:207082842 b:205675485
TEST=`make -j buildall`
Signed-off-by: Aseda Aboagye <aaboagye@google.com>
Change-Id: I980351977e11088a130e478df0701be4715f049b
Diffstat (limited to 'board/draco/i2c.c')
-rw-r--r-- | board/draco/i2c.c | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/board/draco/i2c.c b/board/draco/i2c.c new file mode 100644 index 0000000000..3db2e0c17b --- /dev/null +++ b/board/draco/i2c.c @@ -0,0 +1,98 @@ +/* Copyright 2021 The Chromium OS Authors. All rights reserved. + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +#include "common.h" +#include "compile_time_macros.h" +#include "hooks.h" +#include "i2c.h" + +#define BOARD_ID_FAST_PLUS_CAPABLE 2 + +/* I2C port map configuration */ +const struct i2c_port_t i2c_ports[] = { + { + /* I2C0 */ + .name = "sensor", + .port = I2C_PORT_SENSOR, + .kbps = 400, + .scl = GPIO_EC_I2C_SENSOR_SCL, + .sda = GPIO_EC_I2C_SENSOR_SDA, + }, + { + /* I2C1 */ + .name = "tcpc0,2", + .port = I2C_PORT_USB_C0_C2_TCPC, + .kbps = 1000, + .scl = GPIO_EC_I2C_USB_C0_C2_TCPC_SCL, + .sda = GPIO_EC_I2C_USB_C0_C2_TCPC_SDA, + }, + { + /* I2C2 */ + .name = "ppc0,2", + .port = I2C_PORT_USB_C0_C2_PPC, + .kbps = 1000, + .scl = GPIO_EC_I2C_USB_C0_C2_PPC_BC_SCL, + .sda = GPIO_EC_I2C_USB_C0_C2_PPC_BC_SDA, + }, + { + /* I2C3 */ + .name = "retimer0,2", + .port = I2C_PORT_USB_C0_C2_MUX, + .kbps = 1000, + .scl = GPIO_EC_I2C_USB_C0_C2_RT_SCL, + .sda = GPIO_EC_I2C_USB_C0_C2_RT_SDA, + }, + { + /* I2C4 C1 TCPC */ + .name = "tcpc1", + .port = I2C_PORT_USB_C1_TCPC, + .kbps = 1000, + .scl = GPIO_EC_I2C_USB_C1_TCPC_SCL, + .sda = GPIO_EC_I2C_USB_C1_TCPC_SDA, + .flags = I2C_PORT_FLAG_DYNAMIC_SPEED, + }, + { + /* I2C5 */ + .name = "battery", + .port = I2C_PORT_BATTERY, + .kbps = 100, + .scl = GPIO_EC_I2C_BAT_SCL, + .sda = GPIO_EC_I2C_BAT_SDA, + }, + { + /* I2C6 */ + .name = "ppc1", + .port = I2C_PORT_USB_C1_PPC, + .kbps = 1000, + .scl = GPIO_EC_I2C_USB_C1_MIX_SCL, + .sda = GPIO_EC_I2C_USB_C1_MIX_SDA, + .flags = I2C_PORT_FLAG_DYNAMIC_SPEED, + }, + { + /* I2C7 */ + .name = "eeprom", + .port = I2C_PORT_EEPROM, + .kbps = 400, + .scl = GPIO_EC_I2C_MISC_SCL_R, + .sda = GPIO_EC_I2C_MISC_SDA_R, + }, +}; +const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports); + +/* + * I2C controllers are initialized in main.c. This sets the speed much + * later, but before I2C peripherals are initialized. + */ +static void set_board_legacy_i2c_speeds(void) +{ + if (get_board_id() >= BOARD_ID_FAST_PLUS_CAPABLE) + return; + + ccprints("setting USB DB I2C buses to 400 kHz\n"); + + i2c_set_freq(I2C_PORT_USB_C1_TCPC, I2C_FREQ_400KHZ); + i2c_set_freq(I2C_PORT_USB_C1_PPC, I2C_FREQ_400KHZ); +} +DECLARE_HOOK(HOOK_INIT, set_board_legacy_i2c_speeds, HOOK_PRIO_INIT_I2C - 1); |