diff options
| author | Ismael Luceno Cortes <ismael.luceno@silicon-gears.com> | 2019-03-07 18:00:49 +0000 |
|---|---|---|
| committer | Heiko Schocher <hs@denx.de> | 2019-03-08 05:53:03 +0100 |
| commit | 4fcff08c4b4fe4e8e0e000fd2c2d97b8dec68d35 (patch) | |
| tree | 8d8344dd099759297887d36ad6c9e1a5c0c2581c | |
| parent | bc00512438e8df139477908b79663d81df594261 (diff) | |
i2c: rcar_i2c: Setup SCL/SDA delay at rcar_i2c_set_speed
Setting up the delay only needs to be done once; move it to
rcar_i2c_set_speed so it's done at initialization time.
Signed-off-by: Ismael Luceno <ismael.luceno@silicon-gears.com>
Reviewed-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Reviewed-by: Heiko Schocher <hs@denx.de>
| -rw-r--r-- | drivers/i2c/rcar_i2c.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/i2c/rcar_i2c.c b/drivers/i2c/rcar_i2c.c index 10b0f8bad4..a57f72a228 100644 --- a/drivers/i2c/rcar_i2c.c +++ b/drivers/i2c/rcar_i2c.c @@ -116,9 +116,7 @@ static int rcar_i2c_set_addr(struct udevice *dev, u8 chip, u8 read) writel(0, priv->base + RCAR_I2C_ICMSR); writel(priv->icccr, priv->base + RCAR_I2C_ICCCR); - if (priv->type == RCAR_I2C_TYPE_GEN3) - writel(RCAR_I2C_ICFBSCR_TCYC17, priv->base + RCAR_I2C_ICFBSCR); - + /* Wait for the bus */ ret = wait_for_bit_le32(priv->base + RCAR_I2C_ICMCR, RCAR_I2C_ICMCR_FSDA, false, 2, true); if (ret) { @@ -304,6 +302,11 @@ scgd_find: priv->icccr = (scgd << RCAR_I2C_ICCCR_SCGD_OFF) | cdf; writel(priv->icccr, priv->base + RCAR_I2C_ICCCR); + if (priv->type == RCAR_I2C_TYPE_GEN3) { + /* Set SCL/SDA delay */ + writel(RCAR_I2C_ICFBSCR_TCYC17, priv->base + RCAR_I2C_ICFBSCR); + } + return 0; } |