This change adds MUX pin configuration and clocks for I2C support
to OMAP 730 and 850-based devices.
Signed-off-by: Cory Maccarrone <darkstar6262@xxxxxxxxx>
---
arch/arm/mach-omap1/clock.c | 4 ++--
arch/arm/mach-omap1/i2c.c | 10 ++++++++--
arch/arm/mach-omap1/mux.c | 4 ++++
arch/arm/plat-omap/include/plat/mux.h | 4 ++++
4 files changed, 18 insertions(+), 4 deletions(-)
diff --git a/arch/arm/mach-omap1/clock.c b/arch/arm/mach-omap1/clock.c
index 42cbe20..dc8ca91 100644
--- a/arch/arm/mach-omap1/clock.c
+++ b/arch/arm/mach-omap1/clock.c
@@ -132,9 +132,9 @@ 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 bc9d12b..1bf4735 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 5e183cd..07212cc 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
diff --git a/arch/arm/plat-omap/include/plat/mux.h b/arch/arm/plat-omap/include/plat/mux.h
index 8ed5f25..8f069cc 100644
--- a/arch/arm/plat-omap/include/plat/mux.h
+++ b/arch/arm/plat-omap/include/plat/mux.h
@@ -179,6 +179,10 @@ enum omap7xx_index {
MMC_7XX_CMD,
MMC_7XX_CLK,
MMC_7XX_DAT0,
+
+ /* I2C */
+ I2C_7XX_SCL,
+ I2C_7XX_SDA,
};
enum omap1xxx_index {
--
1.6.3.3
--
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