[PATCH v2 1/2] omap3sdp: Fix regulator mapping for ads7846 TS controller

Felipe Balbi balbi at ti.com
Thu Feb 3 07:54:03 EST 2011


On Thu, Feb 03, 2011 at 06:15:21PM +0530, Rajendra Nayak wrote:
> On the OMAP3430SDP board, the ads7846 touchscreen controller
> is powered by VAUX3 regulator (supplying 2.8v).
> Fix this mapping in the board file, and hence prevent
> the ads7846 driver init to fail with the below error..
> 
> ads7846 spi1.0: unable to get regulator: -19
> 
> Signed-off-by: Rajendra Nayak <rnayak at ti.com>

Reviewed-by: Felipe Balbi <balbi at ti.com>

> ---
>  arch/arm/mach-omap2/board-3430sdp.c |    7 +++++++
>  1 files changed, 7 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c
> index d4e41ef..8e18f21 100644
> --- a/arch/arm/mach-omap2/board-3430sdp.c
> +++ b/arch/arm/mach-omap2/board-3430sdp.c
> @@ -427,6 +427,11 @@ static struct twl4030_madc_platform_data sdp3430_madc_data = {
>  	.irq_line	= 1,
>  };
>  
> +/* ads7846 on SPI */
> +static struct regulator_consumer_supply sdp3430_vaux3_supplies[] = {
> +	REGULATOR_SUPPLY("vcc", "spi1.0"),
> +};
> +
>  /*
>   * Apply all the fixed voltages since most versions of U-Boot
>   * don't bother with that initialization.
> @@ -469,6 +474,8 @@ static struct regulator_init_data sdp3430_vaux3 = {
>  		.valid_ops_mask		= REGULATOR_CHANGE_MODE
>  					| REGULATOR_CHANGE_STATUS,
>  	},
> +	.num_consumer_supplies		= ARRAY_SIZE(sdp3430_vaux3_supplies),
> +	.consumer_supplies		= sdp3430_vaux3_supplies,
>  };
>  
>  /* VAUX4 for OMAP VDD_CSI2 (camera) */
> -- 
> 1.7.0.4

-- 
balbi



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