diff options
| author | Jerry Bradshaw <jerry.bradshaw@maximintegrated.com> | 2019-07-24 10:40:03 -0500 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2019-09-26 21:56:08 +0000 |
| commit | 23932a57f30994297b9749f432b46d6f267e890d (patch) | |
| tree | cc4d7a2b636f9c465651144841b9dda4138fced0 /board/max32660-eval | |
| parent | d7d7224a85160389d235cfd3ba2dca9b8ae47c8c (diff) | |
| download | chrome-ec-23932a57f30994297b9749f432b46d6f267e890d.tar.gz | |
max32660: add I2C master and slave
BRANCH=none
BUG=none
TEST=slave tested with EC CMDs sent from a custom written EC HOST using
another MAX32660 device as an I2C Master
Change-Id: Icdd3ac4bacbc6536a4165f63d155760d4013a8cc
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1716928
Reviewed-by: Scott Collyer <scollyer@chromium.org>
Reviewed-by: Harry Cutts <hcutts@chromium.org>
Tested-by: Harry Cutts <hcutts@chromium.org>
Commit-Queue: Harry Cutts <hcutts@chromium.org>
Diffstat (limited to 'board/max32660-eval')
| -rw-r--r-- | board/max32660-eval/board.c | 5 | ||||
| -rw-r--r-- | board/max32660-eval/board.h | 14 | ||||
| -rw-r--r-- | board/max32660-eval/ec.tasklist | 1 | ||||
| -rw-r--r-- | board/max32660-eval/gpio.inc | 1 |
4 files changed, 19 insertions, 2 deletions
diff --git a/board/max32660-eval/board.c b/board/max32660-eval/board.c index 65e69c2453..15a856ab4e 100644 --- a/board/max32660-eval/board.c +++ b/board/max32660-eval/board.c @@ -17,3 +17,8 @@ #include "gpio_list.h" #define CPRINTS(format, args...) cprints(CC_SYSTEM, format, ##args) + +/* I2C ports */ +const struct i2c_port_t i2c_ports[] = {}; + +const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports); diff --git a/board/max32660-eval/board.h b/board/max32660-eval/board.h index fba6c60cef..87a4b65fa1 100644 --- a/board/max32660-eval/board.h +++ b/board/max32660-eval/board.h @@ -10,6 +10,8 @@ /* Optional features */ #define CONFIG_SYSTEM_UNLOCKED /* Allow dangerous commands */ +#define CONFIG_I2C +#define CONFIG_I2C_MASTER #define CONFIG_FPU @@ -17,9 +19,17 @@ #undef CONFIG_LID_SWITCH #undef CONFIG_PECI #undef CONFIG_SWITCH +#define CONFIG_CMD_HOSTCMD -/* #define CONFIG_I2C_SLAVE */ -/* #define CONFIG_HOSTCMD_I2C_SLAVE_ADDR (0x51 << 1) */ +#undef CONFIG_HOSTCMD_EVENTS +#define CONFIG_I2C + +#define CONFIG_I2C_SLAVE +#define CONFIG_HOSTCMD_I2C_SLAVE_ADDR_FLAGS (0x51) /* 7 bit right-aligned, bits 6 to 0 */ + +/* Slave I2C port configuration */ +#define I2C_PORT_SLAVE 1 +#define I2C_PORT_EC I2C_PORT_SLAVE /* Write protect is active high */ #define CONFIG_WP_ACTIVE_HIGH diff --git a/board/max32660-eval/ec.tasklist b/board/max32660-eval/ec.tasklist index 3f546f98ae..5e58b9dea8 100644 --- a/board/max32660-eval/ec.tasklist +++ b/board/max32660-eval/ec.tasklist @@ -19,4 +19,5 @@ */ #define CONFIG_TASK_LIST \ TASK_ALWAYS(HOOKS, hook_task, NULL, TASK_STACK_SIZE) \ + TASK_NOTEST(HOSTCMD, host_command_task, NULL, TASK_STACK_SIZE) \ TASK_ALWAYS(CONSOLE, console_task, NULL, TASK_STACK_SIZE) diff --git a/board/max32660-eval/gpio.inc b/board/max32660-eval/gpio.inc index db34c18bed..3ced37a77f 100644 --- a/board/max32660-eval/gpio.inc +++ b/board/max32660-eval/gpio.inc @@ -16,3 +16,4 @@ UNIMPLEMENTED(WP) /* Write protect input */ UNIMPLEMENTED(ENTERING_RW) /* EC entering RW code */ ALTERNATE(PIN_MASK(0, 0x0C00), 2, MODULE_UART, 0) /* Alt 2, P0.10 (UART1_TX), P0.11 (UART1_RX) */ +ALTERNATE(PIN_MASK(0, 0x000C), 1, MODULE_I2C, 0) /* Alt 1, P0.2 (I2C1_SCL), P0.3 (I2C1_SDA) */ |