summaryrefslogtreecommitdiff
path: root/drivers/i2c/designware_i2c.h
diff options
context:
space:
mode:
authorSimon Glass <sjg@chromium.org>2020-01-23 21:48:08 +0300
committerHeiko Schocher <hs@denx.de>2020-01-27 09:19:13 +0300
commit65190d15efffc0c3700e59654ead4ef149981ad4 (patch)
treed95ff7f472b08064c6a29df76c7af0fc49af1e4c /drivers/i2c/designware_i2c.h
parent6db7943b92f7a4b5858b6a68f137462ed0293e09 (diff)
downloadu-boot-65190d15efffc0c3700e59654ead4ef149981ad4.tar.xz
i2c: designware_i2c: Use an enum for selected speed mode
Group these #defines into an enum to make it easier to understand the relationship between them. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Jun Chen <ptchentw@gmail.com> Reviewed-by: Heiko Schocher <hs@denx.de>
Diffstat (limited to 'drivers/i2c/designware_i2c.h')
-rw-r--r--drivers/i2c/designware_i2c.h10
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/i2c/designware_i2c.h b/drivers/i2c/designware_i2c.h
index d4c1ca0cc3..569cab6fd3 100644
--- a/drivers/i2c/designware_i2c.h
+++ b/drivers/i2c/designware_i2c.h
@@ -136,9 +136,13 @@ struct i2c_regs {
#define IC_STATUS_ACT 0x0001
/* Speed Selection */
-#define IC_SPEED_MODE_STANDARD 1
-#define IC_SPEED_MODE_FAST 2
-#define IC_SPEED_MODE_HIGH 3
+enum i2c_speed_mode {
+ IC_SPEED_MODE_STANDARD,
+ IC_SPEED_MODE_FAST,
+ IC_SPEED_MODE_HIGH,
+
+ IC_SPEED_MODE_COUNT,
+};
#define I2C_HIGH_SPEED 3400000
#define I2C_FAST_SPEED 400000