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Commit 4c624840 authored by Tony Lindgren's avatar Tony Lindgren
Browse files

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: default avatarWolfram Sang <wsa@the-dreams.de>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent 26273e02

Documentation/devicetree/bindings/i2c/i2c-omap.txt

+2 −1
Original line number Diff line number Diff line 
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>;

drivers/i2c/busses/i2c-omap.c

+22 −0
Original line number Diff line number Diff line
@@ -1037,6 +1037,20 @@ static const struct i2c_algorithm omap_i2c_algo = { 
};



#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,
@@ -1055,6 +1069,14 @@ static const struct of_device_id omap_i2c_of_match[] = { 
		.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);