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zoombini: Add support for I2C bus 4

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This is used by the keyboard backlight driver.  Add support so we can
start talking to this chip.

BUG=b:69379749
BRANCH=none
TEST=i2cscan shows a device at 0x6c on bus 4 now

Change-Id: I951ecd0fa3030f9f408ed0a4504b54950b7ca174
Signed-off-by: Benjamin Gordon <bmgordon@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/879081
Reviewed-by: Aseda Aboagye <aaboagye@chromium.org>
This commit is contained in:
Benjamin Gordon
2018-01-18 16:14:40 -07:00
committed by chrome-bot
parent 5bdc0e2298
commit 04a9dfe645
2 changed files with 8 additions and 6 deletions
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13
board/zoombini/board.c
View File

@@ -164,12 +164,13 @@ BUILD_ASSERT(ARRAY_SIZE(power_signal_list) == POWER_SIGNAL_COUNT);
/* I2C port map. */
#ifdef BOARD_ZOOMBINI
const struct i2c_port_t i2c_ports[] = {
{"power", I2C_PORT_POWER, 100, GPIO_I2C0_SCL, GPIO_I2C0_SDA},
{"pmic", I2C_PORT_PMIC, 400, GPIO_I2C3_SCL, GPIO_I2C3_SDA},
{"sensor", I2C_PORT_SENSOR, 400, GPIO_I2C7_SCL, GPIO_I2C7_SDA},
{"tcpc0", I2C_PORT_TCPC0, 1000, GPIO_TCPC0_SCL, GPIO_TCPC0_SDA},
{"tcpc1", I2C_PORT_TCPC1, 1000, GPIO_TCPC1_SCL, GPIO_TCPC1_SDA},
{"tcpc2", I2C_PORT_TCPC2, 1000, GPIO_TCPC2_SCL, GPIO_TCPC2_SDA},
{"power", I2C_PORT_POWER, 100, GPIO_I2C0_SCL, GPIO_I2C0_SDA},
{"pmic", I2C_PORT_PMIC, 400, GPIO_I2C3_SCL, GPIO_I2C3_SDA},
{"kblight", I2C_PORT_KBLIGHT, 100, GPIO_I2C4_SCL, GPIO_I2C4_SDA},
{"sensor", I2C_PORT_SENSOR, 400, GPIO_I2C7_SCL, GPIO_I2C7_SDA},
{"tcpc0", I2C_PORT_TCPC0, 1000, GPIO_TCPC0_SCL, GPIO_TCPC0_SDA},
{"tcpc1", I2C_PORT_TCPC1, 1000, GPIO_TCPC1_SCL, GPIO_TCPC1_SDA},
{"tcpc2", I2C_PORT_TCPC2, 1000, GPIO_TCPC2_SCL, GPIO_TCPC2_SDA},
};
#else
const struct i2c_port_t i2c_ports[] = {

1
board/zoombini/board.h
View File

@@ -149,6 +149,7 @@
#define I2C_PORT_CHARGER I2C_PORT_POWER
#define I2C_PORT_POWER NPCX_I2C_PORT0_0
#define I2C_PORT_PMIC NPCX_I2C_PORT3_0
#define I2C_PORT_KBLIGHT NPCX_I2C_PORT4_1
#define I2C_PORT_SENSOR NPCX_I2C_PORT7_0
#define I2C_PORT_TCPC0 NPCX_I2C_PORT1_0
#define I2C_PORT_TCPC1 NPCX_I2C_PORT2_0