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authorLei Wen <[leiwen@marvell.com]>2011-04-13 23:48:34 +0530
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>2011-04-27 19:38:08 +0200
commitaa3b168e317d7eb86968f60fcf105a3cb409bee5 (patch)
tree67a6e9a5e3d2d22cfead0e3ec6102bbee9aadf62 /arch/arm/cpu/arm926ejs/pantheon
parent3df619ec2cae3305c20b808c4d49cfed66c1cf9b (diff)
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I2C: add i2c support for Pantheon platform
Add i2c support to dkb board with pantheon soc. Acked-by: Heiko Schocher <hs@denx.de> Acked-by: Prafulla Wadaskar <prafulla@marvell.com> Signed-off-by: Lei Wen <leiwen@marvell.com>
Diffstat (limited to 'arch/arm/cpu/arm926ejs/pantheon')
-rw-r--r--arch/arm/cpu/arm926ejs/pantheon/cpu.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/cpu/arm926ejs/pantheon/cpu.c b/arch/arm/cpu/arm926ejs/pantheon/cpu.c
index 9ddc77c..8b2eafa 100644
--- a/arch/arm/cpu/arm926ejs/pantheon/cpu.c
+++ b/arch/arm/cpu/arm926ejs/pantheon/cpu.c
@@ -59,6 +59,12 @@ int arch_cpu_init(void)
/* Enable GPIO clock */
writel(APBC_APBCLK, &apbclkres->gpio);
+#ifdef CONFIG_I2C_MV
+ /* Enable I2C clock */
+ writel(APBC_RST | APBC_FNCLK | APBC_APBCLK, &apbclkres->twsi);
+ writel(APBC_FNCLK | APBC_APBCLK, &apbclkres->twsi);
+#endif
+
icache_enable();
return 0;
@@ -76,3 +82,9 @@ int print_cpuinfo(void)
return 0;
}
#endif
+
+#ifdef CONFIG_I2C_MV
+void i2c_clk_enable(void)
+{
+}
+#endif