[PATCHv7 17/21] ARM: OMAP4: TWL: enable high speed mode for PMIC communication

Peter Ujfalusi peter.ujfalusi at ti.com
Wed Sep 26 07:39:08 EDT 2012


Hi Tero,

On 09/25/2012 07:33 PM, Tero Kristo wrote:
> With the new parameters, I2C can now be put to high speed mode for
> better performance.

We have twl6040 on the same bus. have you tried this with audio enabled?
twl6040 is in standard mode (up to 100 kbps) after power up...

> 
> Signed-off-by: Tero Kristo <t-kristo at ti.com>
> ---
>  arch/arm/mach-omap2/omap_twl.c |    1 +
>  1 files changed, 1 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/arm/mach-omap2/omap_twl.c b/arch/arm/mach-omap2/omap_twl.c
> index 611cb63..7ff9667 100644
> --- a/arch/arm/mach-omap2/omap_twl.c
> +++ b/arch/arm/mach-omap2/omap_twl.c
> @@ -218,6 +218,7 @@ static struct omap_voltdm_pmic omap4_core_pmic = {
>  	.i2c_slave_addr		= OMAP4_SRI2C_SLAVE_ADDR,
>  	.volt_reg_addr		= OMAP4_VDD_CORE_SR_VOLT_REG,
>  	.cmd_reg_addr		= OMAP4_VDD_CORE_SR_CMD_REG,
> +	.i2c_high_speed		= true,
>  	.i2c_pad_load		= 3,
>  	.vsel_to_uv		= twl6030_vsel_to_uv,
>  	.uv_to_vsel		= twl6030_uv_to_vsel,
> 


-- 
Péter



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