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grunt: Add support for I2C bus 5

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This is used by the keyboard backlight driver. Add support for it so we
can use this chip.

BUG=b:69379749
BRANCH=none
TEST=manual:
boot AP
gpioset KB_BL_EN 1
i2cscan
See that bus 5 shows 0x6c now

Change-Id: I37dd497688f7d280119bf2a226e23bee35063e0c
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/871135
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Edward Hill <ecgh@chromium.org>
Reviewed-by: Jett Rink <jettrink@chromium.org>
This commit is contained in:
Simon Glass
2018-01-17 10:28:07 -08:00
parent 97c819c628
commit 60bbe1ca75
2 changed files with 2 additions and 0 deletions
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1
board/grunt/board.c
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@@ -131,6 +131,7 @@ const struct i2c_port_t i2c_ports[] = {
{"tcpc0", I2C_PORT_TCPC0, 400, GPIO_I2C1_SCL, GPIO_I2C1_SDA},
{"tcpc1", I2C_PORT_TCPC1, 400, GPIO_I2C2_SCL, GPIO_I2C2_SDA},
{"thermal", I2C_PORT_THERMAL, 400, GPIO_I2C3_SCL, GPIO_I2C3_SDA},
{"kblight", I2C_PORT_KBLIGHT, 100, GPIO_I2C5_SCL, GPIO_I2C5_SDA},
{"sensor", I2C_PORT_SENSOR, 400, GPIO_I2C7_SCL, GPIO_I2C7_SDA},
};
const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports);

1
board/grunt/board.h
View File

@@ -114,6 +114,7 @@
#define I2C_PORT_TCPC0 NPCX_I2C_PORT1_0
#define I2C_PORT_TCPC1 NPCX_I2C_PORT2_0
#define I2C_PORT_THERMAL NPCX_I2C_PORT3_0
#define I2C_PORT_KBLIGHT NPCX_I2C_PORT5_0
#define I2C_PORT_SENSOR NPCX_I2C_PORT7_0
/* Accelerometer and Gyroscope are the same device. */
#define I2C_PORT_ACCEL I2C_PORT_SENSOR