From: Ismael Luceno Cortes Date: Thu, 7 Mar 2019 18:00:49 +0000 (+0000) Subject: i2c: rcar_i2c: Setup SCL/SDA delay at rcar_i2c_set_speed X-Git-Tag: v2019.04-rc4~13^2~5 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=4fcff08c4b4fe4e8e0e000fd2c2d97b8dec68d35;p=platform%2Fkernel%2Fu-boot.git 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 Reviewed-by: Marek Vasut Reviewed-by: Heiko Schocher --- diff --git a/drivers/i2c/rcar_i2c.c b/drivers/i2c/rcar_i2c.c index 10b0f8b..a57f72a 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; }