From: Hyunki Koo <hyunki00.koo@samsung.com>
Date: Mon, 3 Mar 2014 07:09:30 +0000 (+0900)
Subject: i2c: s3c2410: set NCLK for FIMC_I2C
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=969abe3c4bc463a857406525f640eb71c7ab0a44;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

i2c: s3c2410: set NCLK for FIMC_I2C

Change-Id: I5d292d70e0f04a718086f870c788237b873ae455
Signed-off-by: Hyunki Koo <hyunki00.koo@samsung.com>
---

diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c
index f18eea60e68c..80eb0fc63476 100644
--- a/drivers/i2c/busses/i2c-s3c2410.c
+++ b/drivers/i2c/busses/i2c-s3c2410.c
@@ -52,6 +52,7 @@ static LIST_HEAD(drvdata_list);
 #define S3C2410_IICADD			0x08
 #define S3C2410_IICDS			0x0C
 #define S3C2440_IICLC			0x10
+#define S3C2440_CLK_BYPASS		0x14
 #define S3C2440_IICINT			0x20
 #define S3C2440_IICNCLK_DIV2		0x28
 
@@ -896,6 +897,7 @@ static int s3c24xx_i2c_calcdivisor(struct s3c24xx_i2c *i2c,
 	if (i2c->quirks & QUIRK_FIMC_I2C) {
 		/* Input NCLK is used directly in i2c */
 		writel(0, i2c->regs + S3C2440_IICNCLK_DIV2);
+		writeb(1, i2c->regs + S3C2440_CLK_BYPASS);
 		clk_prescaler = 32;
 	} else
 		clk_prescaler = 16;