Re: [PATCH v3 3/8] omap: zoom: drop i2c-1 speed to 2400

[Tony Lindgren <tony@atomide.com>]

* Vikram Pandita <vikram.pandita@ti.com> [091111 15:42]:
> The I2C-1 bus frequency on zoom2/zoom3/sdp3630 should be 2.4 MHz.
> The speed is limited by TWL5030/GAIA; a higher speed could lead to errors
> on the interface.
> 
> The maximum I2C speed depends on the system clock for GAIA:
> 2.2 MHz (sys-clk = 19.2 MHz)
> 2.4 MHz (sys-clk = 26 MHz)
> 2.9 MHz (sys-clk = 38.4 MHz)
> 
> For Zoom2/Zoom3/SDP3630 the system clock is 26Mhz
> and hence choose 2.4Mhz for I2C1 bus speed
> 
> Signed-off-by: Vikram Pandita <vikram.pandita@ti.com>
> ---
>  arch/arm/mach-omap2/board-zoom-peripherals.c |    4 ++--
>  1 files changed, 2 insertions(+), 2 deletions(-)
>  mode change 100644 => 100755 arch/arm/mach-omap2/board-zoom-peripherals.c
> 
> diff --git a/arch/arm/mach-omap2/board-zoom-peripherals.c b/arch/arm/mach-omap2/board-zoom-peripherals.c
> old mode 100644
> new mode 100755
> index 4ca9c20..54619d5

Left out the mode change..

Tony

> --- a/arch/arm/mach-omap2/board-zoom-peripherals.c
> +++ b/arch/arm/mach-omap2/board-zoom-peripherals.c
> @@ -235,7 +235,7 @@ static struct twl4030_platform_data zoom_twldata = {
>  
>  static struct i2c_board_info __initdata zoom_i2c_boardinfo[] = {
>  	{
> -		I2C_BOARD_INFO("twl4030", 0x48),
> +		I2C_BOARD_INFO("twl5030", 0x48),
>  		.flags		= I2C_CLIENT_WAKE,
>  		.irq		= INT_34XX_SYS_NIRQ,
>  		.platform_data	= &zoom_twldata,
> @@ -244,7 +244,7 @@ static struct i2c_board_info __initdata zoom_i2c_boardinfo[] = {
>  
>  static int __init omap_i2c_init(void)
>  {
> -	omap_register_i2c_bus(1, 2600, zoom_i2c_boardinfo,
> +	omap_register_i2c_bus(1, 2400, zoom_i2c_boardinfo,
>  			ARRAY_SIZE(zoom_i2c_boardinfo));
>  	omap_register_i2c_bus(2, 400, NULL, 0);
>  	omap_register_i2c_bus(3, 400, NULL, 0);
> -- 
> 1.6.5.1.69.g36942
> 
> --
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