omap1: I2C mux and clocks for omap7xx

This change adds MUX pin configuration and clocks for I2C support
to OMAP 730 and 850-based devices.

Signed-off-by: Cory Maccarrone <darkstar6262@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

3 files changed, 14 insertions, 4 deletions

diff --git a/arch/arm/mach-omap1/clock_data.c b/arch/arm/mach-omap1/clock_data.c
index cf5f017b392c..ab995a9c606c 100644
--- a/arch/arm/mach-omap1/clock_data.c
+++ b/arch/arm/mach-omap1/clock_data.c
@@ -655,9 +655,9 @@ static struct omap_clk omap_clks[] = {
         CLK("mmci-omap.1", "ick",       &armper_ck.clk, CK_16XX),
         /* Virtual clocks */
         CLK(NULL,       "mpu",          &virtual_ck_mpu, CK_16XX | CK_1510 | CK_310),
-        CLK("i2c_omap.1", "fck",        &i2c_fck,       CK_16XX | CK_1510 | CK_310),
+        CLK("i2c_omap.1", "fck",        &i2c_fck,       CK_16XX | CK_1510 | CK_310 | CK_7XX),
         CLK("i2c_omap.1", "ick",        &i2c_ick,       CK_16XX),
-        CLK("i2c_omap.1", "ick",        &dummy_ck,      CK_1510 | CK_310),
+        CLK("i2c_omap.1", "ick",        &dummy_ck,      CK_1510 | CK_310 | CK_7XX),
         CLK("omap_uwire", "fck",        &armxor_ck.clk, CK_16XX | CK_1510 | CK_310),
         CLK("omap-mcbsp.1", "ick",      &dspper_ck,     CK_16XX),
         CLK("omap-mcbsp.1", "ick",      &dummy_ck,      CK_1510 | CK_310),
diff --git a/arch/arm/mach-omap1/i2c.c b/arch/arm/mach-omap1/i2c.c
index bc9d12bc1c61..1bf4735e27a6 100644
--- a/arch/arm/mach-omap1/i2c.c
+++ b/arch/arm/mach-omap1/i2c.c
@@ -21,13 +21,19 @@
 
 #include <plat/i2c.h>
 #include <plat/mux.h>
+#include <plat/cpu.h>
 
 int __init omap_register_i2c_bus(int bus_id, u32 clkrate,
                           struct i2c_board_info const *info,
                           unsigned len)
 {
-        omap_cfg_reg(I2C_SDA);
-        omap_cfg_reg(I2C_SCL);
+        if (cpu_is_omap7xx()) {
+                omap_cfg_reg(I2C_7XX_SDA);
+                omap_cfg_reg(I2C_7XX_SCL);
+        } else {
+                omap_cfg_reg(I2C_SDA);
+                omap_cfg_reg(I2C_SCL);
+        }
 
         return omap_plat_register_i2c_bus(bus_id, clkrate, info, len);
 }
diff --git a/arch/arm/mach-omap1/mux.c b/arch/arm/mach-omap1/mux.c
index 5e183cd7611a..07212cc621ae 100644
--- a/arch/arm/mach-omap1/mux.c
+++ b/arch/arm/mach-omap1/mux.c
@@ -58,6 +58,10 @@ MUX_CFG_7XX("W19_7XX_USB_DCRST",   3,    7,    1,    6,   0, 0)
 MUX_CFG_7XX("MMC_7XX_CMD",         2,    9,    0,    8,   1, 0)
 MUX_CFG_7XX("MMC_7XX_CLK",         2,   13,    0,   12,   1, 0)
 MUX_CFG_7XX("MMC_7XX_DAT0",        2,   17,    0,   16,   1, 0)
+
+/* I2C interface */
+MUX_CFG_7XX("I2C_7XX_SCL",         5,    1,    0,    0,   1, 0)
+MUX_CFG_7XX("I2C_7XX_SDA",         5,    5,    0,    0,   1, 0)
 };
 #define OMAP7XX_PINS_SZ         ARRAY_SIZE(omap7xx_pins)
 #else