From a8ef64e4ef6f5cabf083c8a8e5a181dceeea71ae Mon Sep 17 00:00:00 2001
From: =?utf8?q?Pali=20Roh=C3=A1r?= <pali@kernel.org>
Date: Sat, 21 Nov 2020 23:30:11 +0100
Subject: [PATCH] Nokia RX-51: Decrease i2c speed to 100000
MIME-Version: 1.0
Content-Type: text/plain; charset=utf8
Content-Transfer-Encoding: 8bit
It looks like that i2c bus lot of times timeout on some units. Prior
migration to CONFIG_DM_I2C i2c speed was set to CONFIG_SYS_OMAP24_I2C_SPEED
value which was 100000. Lower speed fixes timeout problems, so change speed
back to its previous value.
Signed-off-by: Pali Rohár <pali@kernel.org>
Fixes: 8d8c18170325 ("Nokia RX-51: Convert to CONFIG_DM_I2C")
Reviewed-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
---
board/nokia/rx51/rx51.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/board/nokia/rx51/rx51.c b/board/nokia/rx51/rx51.c
index 3d62b5d9ad..2dd41604c9 100644
--- a/board/nokia/rx51/rx51.c
+++ b/board/nokia/rx51/rx51.c
@@ -704,9 +704,9 @@ void board_mmc_power_init(void)
}
static const struct omap_i2c_platdata rx51_i2c[] = {
- { I2C_BASE1, 2200000, OMAP_I2C_REV_V1 },
+ { I2C_BASE1, 100000, OMAP_I2C_REV_V1 },
{ I2C_BASE2, 100000, OMAP_I2C_REV_V1 },
- { I2C_BASE3, 400000, OMAP_I2C_REV_V1 },
+ { I2C_BASE3, 100000, OMAP_I2C_REV_V1 },
};
U_BOOT_DEVICES(rx51_i2c) = {
--
2.39.5