i2c: omap: Fix missing device tree flags for omap2

As we claim to support device tree for mach-omap2, we
should have the necessary flags in the driver to make it
usable.

Cc: linux-i2c@vger.kernel.org
Acked-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/Documentation/devicetree/bindings/i2c/i2c-omap.txt b/Documentation/devicetree/bindings/i2c/i2c-omap.txt
index 56564aa..7e49839 100644 (file)
--- a/Documentation/devicetree/bindings/i2c/i2c-omap.txt
+++ b/Documentation/devicetree/bindings/i2c/i2c-omap.txt
@@ -1,7 +1,8 @@
 I2C for OMAP platforms
 
 Required properties :
 I2C for OMAP platforms
 
 Required properties :

-- compatible : Must be "ti,omap3-i2c" or "ti,omap4-i2c"
+- compatible : Must be "ti,omap2420-i2c", "ti,omap2430-i2c", "ti,omap3-i2c"
+  or "ti,omap4-i2c"

 - ti,hwmods : Must be "i2c<n>", n being the instance number (1-based)
 - #address-cells = <1>;
 - #size-cells = <0>;
 - ti,hwmods : Must be "i2c<n>", n being the instance number (1-based)
 - #address-cells = <1>;
 - #size-cells = <0>;

diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
index 9967a6f..f04afd1 100644 (file)
--- a/drivers/i2c/busses/i2c-omap.c
+++ b/drivers/i2c/busses/i2c-omap.c
@@ -1037,6 +1037,20 @@ static const struct i2c_algorithm omap_i2c_algo = {
 };
 
 #ifdef CONFIG_OF
 };
 
 #ifdef CONFIG_OF

+static struct omap_i2c_bus_platform_data omap2420_pdata = {
+       .rev = OMAP_I2C_IP_VERSION_1,
+       .flags = OMAP_I2C_FLAG_NO_FIFO |
+                       OMAP_I2C_FLAG_SIMPLE_CLOCK |
+                       OMAP_I2C_FLAG_16BIT_DATA_REG |
+                       OMAP_I2C_FLAG_BUS_SHIFT_2,
+};
+
+static struct omap_i2c_bus_platform_data omap2430_pdata = {
+       .rev = OMAP_I2C_IP_VERSION_1,
+       .flags = OMAP_I2C_FLAG_BUS_SHIFT_2 |
+                       OMAP_I2C_FLAG_FORCE_19200_INT_CLK,
+};
+

 static struct omap_i2c_bus_platform_data omap3_pdata = {
        .rev = OMAP_I2C_IP_VERSION_1,
        .flags = OMAP_I2C_FLAG_BUS_SHIFT_2,
 static struct omap_i2c_bus_platform_data omap3_pdata = {
        .rev = OMAP_I2C_IP_VERSION_1,
        .flags = OMAP_I2C_FLAG_BUS_SHIFT_2,


@@ -1055,6 +1069,14 @@ static const struct of_device_id omap_i2c_of_match[] = {
                .compatible = "ti,omap3-i2c",
                .data = &omap3_pdata,
        },
                .compatible = "ti,omap3-i2c",
                .data = &omap3_pdata,
        },

+       {
+               .compatible = "ti,omap2430-i2c",
+               .data = &omap2430_pdata,
+       },
+       {
+               .compatible = "ti,omap2420-i2c",
+               .data = &omap2420_pdata,
+       },

        { },
 };
 MODULE_DEVICE_TABLE(of, omap_i2c_of_match);
        { },
 };
 MODULE_DEVICE_TABLE(of, omap_i2c_of_match);