i2c: stm32: Update to use standard enums for speed

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

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Patrick Delaunay <patrick.delaunay@st.com>
Tested-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Heiko Schocher <hs@denx.de>

diff --git a/drivers/i2c/stm32f7_i2c.c b/drivers/i2c/stm32f7_i2c.c
index 2b18735..21dfa50 100644 (file)
--- a/drivers/i2c/stm32f7_i2c.c
+++ b/drivers/i2c/stm32f7_i2c.c
@@ -115,17 +115,6 @@ struct stm32_i2c_regs {
 
 #define STM32_NSEC_PER_SEC                     1000000000L
 
-#define STANDARD_RATE                          100000
-#define FAST_RATE                              400000
-#define FAST_PLUS_RATE                         1000000
-
-enum stm32_i2c_speed {
-       STM32_I2C_SPEED_STANDARD, /* 100 kHz */
-       STM32_I2C_SPEED_FAST, /* 400 kHz */
-       STM32_I2C_SPEED_FAST_PLUS, /* 1 MHz */
-       STM32_I2C_SPEED_END,
-};
-
 /**
  * struct stm32_i2c_spec - private i2c specification timing
  * @rate: I2C bus speed (Hz)
@@ -164,7 +153,7 @@ struct stm32_i2c_spec {
  * @analog_filter: Analog filter delay (On/Off)
  */
 struct stm32_i2c_setup {
-       enum stm32_i2c_speed speed;
+       enum i2c_speed_mode speed;
        u32 speed_freq;
        u32 clock_src;
        u32 rise_time;
@@ -198,8 +187,8 @@ struct stm32_i2c_priv {
 };
 
 static const struct stm32_i2c_spec i2c_specs[] = {
-       [STM32_I2C_SPEED_STANDARD] = {
-               .rate = STANDARD_RATE,
+       [IC_SPEED_MODE_STANDARD] = {
+               .rate = I2C_SPEED_STANDARD_RATE,
                .rate_min = 8000,
                .rate_max = 120000,
                .fall_max = 300,
@@ -210,8 +199,8 @@ static const struct stm32_i2c_spec i2c_specs[] = {
                .l_min = 4700,
                .h_min = 4000,
        },
-       [STM32_I2C_SPEED_FAST] = {
-               .rate = FAST_RATE,
+       [IC_SPEED_MODE_FAST] = {
+               .rate = I2C_SPEED_FAST_RATE,
                .rate_min = 320000,
                .rate_max = 480000,
                .fall_max = 300,
@@ -222,8 +211,8 @@ static const struct stm32_i2c_spec i2c_specs[] = {
                .l_min = 1300,
                .h_min = 600,
        },
-       [STM32_I2C_SPEED_FAST_PLUS] = {
-               .rate = FAST_PLUS_RATE,
+       [IC_SPEED_MODE_FAST_PLUS] = {
+               .rate = I2C_SPEED_FAST_PLUS_RATE,
                .rate_min = 800000,
                .rate_max = 1200000,
                .fall_max = 100,
@@ -648,9 +637,9 @@ static int stm32_i2c_compute_timing(struct stm32_i2c_priv *i2c_priv,
        struct list_head solutions;
        int ret;
 
-       if (setup->speed >= STM32_I2C_SPEED_END) {
+       if (setup->speed >= ARRAY_SIZE(i2c_specs)) {
                pr_err("%s: speed out of bound {%d/%d}\n", __func__,
-                      setup->speed, STM32_I2C_SPEED_END - 1);
+                      setup->speed, ARRAY_SIZE(i2c_specs) - 1);
                return -EINVAL;
        }
 
@@ -719,7 +708,7 @@ static int stm32_i2c_setup_timing(struct stm32_i2c_priv *i2c_priv,
                if (ret) {
                        debug("%s: failed to compute I2C timings.\n",
                              __func__);
-                       if (i2c_priv->speed > STM32_I2C_SPEED_STANDARD) {
+                       if (i2c_priv->speed > IC_SPEED_MODE_STANDARD) {
                                i2c_priv->speed--;
                                setup->speed = i2c_priv->speed;
                                setup->speed_freq =
@@ -784,14 +773,14 @@ static int stm32_i2c_set_bus_speed(struct udevice *bus, unsigned int speed)
        struct stm32_i2c_priv *i2c_priv = dev_get_priv(bus);
 
        switch (speed) {
-       case STANDARD_RATE:
-               i2c_priv->speed = STM32_I2C_SPEED_STANDARD;
+       case I2C_SPEED_STANDARD_RATE:
+               i2c_priv->speed = IC_SPEED_MODE_STANDARD;
                break;
-       case FAST_RATE:
-               i2c_priv->speed = STM32_I2C_SPEED_FAST;
+       case I2C_SPEED_FAST_RATE:
+               i2c_priv->speed = IC_SPEED_MODE_FAST;
                break;
-       case FAST_PLUS_RATE:
-               i2c_priv->speed = STM32_I2C_SPEED_FAST_PLUS;
+       case I2C_SPEED_FAST_PLUS_RATE:
+               i2c_priv->speed = IC_SPEED_MODE_FAST_PLUS;
                break;
        default:
                debug("%s: Speed %d not supported\n", __func__, speed);