From: Simon Glass <sjg@chromium.org>
Date: Thu, 23 Jan 2020 18:48:07 +0000 (-0700)
Subject: i2c: designware_i2c: Rename 'max' speed to 'high' speed
X-Git-Tag: v2020.10~390^2~19
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6db7943b92f7a4b5858b6a68f137462ed0293e09;p=platform%2Fkernel%2Fu-boot.git

i2c: designware_i2c: Rename 'max' speed to 'high' speed

Some SoCs support a higher speed than what is currently called 'max' in
this driver. Rename it to 'high' speed, which is the official name of the
3.4MHz speed.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Jun Chen <ptchentw@gmail.com>
Reviewed-by: Heiko Schocher <hs@denx.de>
---

diff --git a/drivers/i2c/designware_i2c.c b/drivers/i2c/designware_i2c.c
index 138fc72..dd1cc0b 100644
--- a/drivers/i2c/designware_i2c.c
+++ b/drivers/i2c/designware_i2c.c
@@ -62,10 +62,10 @@ static unsigned int __dw_i2c_set_bus_speed(struct i2c_regs *i2c_base,
 	unsigned int ena;
 	int i2c_spd;
 
-	/* Allow max speed if there is no config, or the config allows it */
-	if (speed >= I2C_MAX_SPEED &&
-	    (!scl_sda_cfg || scl_sda_cfg->has_max_speed))
-		i2c_spd = IC_SPEED_MODE_MAX;
+	/* Allow high speed if there is no config, or the config allows it */
+	if (speed >= I2C_HIGH_SPEED &&
+	    (!scl_sda_cfg || scl_sda_cfg->has_high_speed))
+		i2c_spd = IC_SPEED_MODE_HIGH;
 	else if (speed >= I2C_FAST_SPEED)
 		i2c_spd = IC_SPEED_MODE_FAST;
 	else
@@ -80,7 +80,7 @@ static unsigned int __dw_i2c_set_bus_speed(struct i2c_regs *i2c_base,
 	cntl = (readl(&i2c_base->ic_con) & (~IC_CON_SPD_MSK));
 
 	switch (i2c_spd) {
-	case IC_SPEED_MODE_MAX:
+	case IC_SPEED_MODE_HIGH:
 		cntl |= IC_CON_SPD_SS;
 		if (scl_sda_cfg) {
 			hcnt = scl_sda_cfg->fs_hcnt;
diff --git a/drivers/i2c/designware_i2c.h b/drivers/i2c/designware_i2c.h
index aade5c2..d4c1ca0 100644
--- a/drivers/i2c/designware_i2c.h
+++ b/drivers/i2c/designware_i2c.h
@@ -138,16 +138,16 @@ struct i2c_regs {
 /* Speed Selection */
 #define IC_SPEED_MODE_STANDARD	1
 #define IC_SPEED_MODE_FAST	2
-#define IC_SPEED_MODE_MAX	3
+#define IC_SPEED_MODE_HIGH	3
 
-#define I2C_MAX_SPEED		3400000
+#define I2C_HIGH_SPEED		3400000
 #define I2C_FAST_SPEED		400000
 #define I2C_STANDARD_SPEED	100000
 
 /**
  * struct dw_scl_sda_cfg - I2C timing configuration
  *
- * @has_max_speed: Support maximum speed (1Mbps)
+ * @has_high_speed: Support high speed (3.4Mbps)
  * @ss_hcnt: Standard speed high time in ns
  * @fs_hcnt: Fast speed high time in ns
  * @ss_lcnt: Standard speed low time in ns
@@ -155,7 +155,7 @@ struct i2c_regs {
  * @sda_hold: SDA hold time
  */
 struct dw_scl_sda_cfg {
-	bool has_max_speed;
+	bool has_high_speed;
 	u32 ss_hcnt;
 	u32 fs_hcnt;
 	u32 ss_lcnt;