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-rw-r--r--board/taniks/i2c.c79
1 files changed, 79 insertions, 0 deletions
diff --git a/board/taniks/i2c.c b/board/taniks/i2c.c
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+++ b/board/taniks/i2c.c
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+/* 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 "i2c.h"
+
+/* 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",
+ .port = I2C_PORT_USB_C0_TCPC,
+ .kbps = 1000,
+ .scl = GPIO_EC_I2C_USB_C0_TCPC_SCL,
+ .sda = GPIO_EC_I2C_USB_C0_TCPC_SDA,
+ },
+ {
+ /* I2C2 */
+ .name = "ppc0",
+ .port = I2C_PORT_USB_C0_PPC,
+ .kbps = 1000,
+ .scl = GPIO_EC_I2C_USB_C0_PPC_BC_SCL,
+ .sda = GPIO_EC_I2C_USB_C0_PPC_BC_SDA,
+ },
+ {
+ /* I2C3 */
+ .name = "kbmcu",
+ .port = I2C_PORT_KBMCU,
+ .kbps = 400,
+ .scl = GPIO_EC_I2C_KBMCU_SCL,
+ .sda = GPIO_EC_I2C_KBMCU_SDA,
+ },
+ {
+ /* I2C4 C1 TCPC */
+ /* TODO(b/211080526): Change TCPC1's (PS8815) I2C frequency from 400Khz to 1000Khz */
+ .name = "tcpc1",
+ .port = I2C_PORT_USB_C1_TCPC,
+ .kbps = 400,
+ .scl = GPIO_EC_I2C_USB_C1_TCPC_SCL,
+ .sda = GPIO_EC_I2C_USB_C1_TCPC_SDA,
+ },
+ {
+ /* 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 = 400,
+ .scl = GPIO_EC_I2C_USB_C1_MIX_SCL,
+ .sda = GPIO_EC_I2C_USB_C1_MIX_SDA,
+ },
+ {
+ /* 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);