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i2c: kona_i2c: Update to use standard enums for speed

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Update this driver to use the new standard enums for speed.

Note: This driver needs to move to driver model.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Heiko Schocher <hs@denx.de>
This commit is contained in:
Simon Glass 2020-01-23 11:48:19 -07:00 committed by Heiko Schocher
parent 54290c666e
commit ab723b7781
1 changed files with 11 additions and 17 deletions
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28
drivers/i2c/kona_i2c.c
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@ -98,12 +98,6 @@ enum bcm_kona_cmd_t {
BCM_CMD_STOP,
};
enum bus_speed_index {
BCM_SPD_100K = 0,
BCM_SPD_400K,
BCM_SPD_1MHZ,
};
/* Internal divider settings for standard mode, fast mode and fast mode plus */
struct bus_speed_cfg {
uint8_t time_m; /* Number of cycles for setup time */
@ -115,9 +109,9 @@ struct bus_speed_cfg {
};
static const struct bus_speed_cfg std_cfg_table[] = {
[BCM_SPD_100K] = {0x01, 0x01, 0x03, 0x06, 0x00, 0x02},
[BCM_SPD_400K] = {0x05, 0x01, 0x03, 0x05, 0x01, 0x02},
[BCM_SPD_1MHZ] = {0x01, 0x01, 0x03, 0x01, 0x01, 0x03},
[IC_SPEED_MODE_STANDARD] = {0x01, 0x01, 0x03, 0x06, 0x00, 0x02},
[IC_SPEED_MODE_FAST] = {0x05, 0x01, 0x03, 0x05, 0x01, 0x02},
[IC_SPEED_MODE_FAST_PLUS] = {0x01, 0x01, 0x03, 0x01, 0x01, 0x03},
};
struct bcm_kona_i2c_dev {
@ -127,8 +121,8 @@ struct bcm_kona_i2c_dev {
};
/* Keep these two defines in sync */
#define DEF_SPD 100000
#define DEF_SPD_ENUM BCM_SPD_100K
#define DEF_SPD I2C_SPEED_STANDARD_RATE
#define DEF_SPD_ENUM IC_SPEED_MODE_STANDARD
#define DEF_DEVICE(num) \
{(void *)CONFIG_SYS_I2C_BASE##num, DEF_SPD, &std_cfg_table[DEF_SPD_ENUM]}
@ -560,14 +554,14 @@ static uint bcm_kona_i2c_assign_bus_speed(struct bcm_kona_i2c_dev *dev,
uint speed)
{
switch (speed) {
case 100000:
dev->std_cfg = &std_cfg_table[BCM_SPD_100K];
case I2C_SPEED_STANDARD_RATE:
dev->std_cfg = &std_cfg_table[IC_SPEED_MODE_STANDARD];
break;
case 400000:
dev->std_cfg = &std_cfg_table[BCM_SPD_400K];
case I2C_SPEED_FAST_RATE:
dev->std_cfg = &std_cfg_table[IC_SPEED_MODE_FAST];
break;
case 1000000:
dev->std_cfg = &std_cfg_table[BCM_SPD_1MHZ];
case I2C_SPEED_FAST_PLUS_RATE:
dev->std_cfg = &std_cfg_table[IC_SPEED_MODE_FAST_PLUS];
break;
default:
printf("%d hz bus speed not supported\n", speed);