From: Ismael Luceno Cortes <ismael.luceno@silicon-gears.com>
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: v2025.01-rc5-pxa1908~3092^2~5
X-Git-Url: http://git.dujemihanovic.xyz/html/static/git-favicon.png?a=commitdiff_plain;h=4fcff08c4b4fe4e8e0e000fd2c2d97b8dec68d35;p=u-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 <ismael.luceno@silicon-gears.com>
Reviewed-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Reviewed-by: Heiko Schocher <hs@denx.de>
---

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;
 }