linux-kernel - Re: [PATCH 1/8] omap3evm: Enable regulators for camera interface

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Date:	Thu, 8 Sep 2011 18:51:52 +0200
From:	Laurent Pinchart <laurent.pinchart@...asonboard.com>
To:	Deepthy Ravi <deepthy.ravi@...com>
Cc:	linux-omap@...r.kernel.org, tony@...mide.com,
	linux@....linux.org.uk, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, mchehab@...radead.org,
	linux-media@...r.kernel.org, g.liakhovetski@....de,
	Vaibhav Hiremath <hvaibhav@...com>
Subject: Re: [PATCH 1/8] omap3evm: Enable regulators for camera interface

Hi,

On Thursday 08 September 2011 15:33:51 Deepthy Ravi wrote:
> From: Vaibhav Hiremath <hvaibhav@...com>
> 
> Enabled 1v8 and 2v8 regulator output, which is being used by
> camera module.

Thanks for the patch. Just one minor comment below.

> Signed-off-by: Vaibhav Hiremath <hvaibhav@...com>
> Signed-off-by: Deepthy Ravi <deepthy.ravi@...com>
> ---
>  arch/arm/mach-omap2/board-omap3evm.c |   40
> ++++++++++++++++++++++++++++++++++ 1 files changed, 40 insertions(+), 0
> deletions(-)
> 
> diff --git a/arch/arm/mach-omap2/board-omap3evm.c
> b/arch/arm/mach-omap2/board-omap3evm.c index a1184b3..8333ee4 100644
> --- a/arch/arm/mach-omap2/board-omap3evm.c
> +++ b/arch/arm/mach-omap2/board-omap3evm.c
> @@ -273,6 +273,44 @@ static struct omap_dss_board_info omap3_evm_dss_data =
> { .default_device	= &omap3_evm_lcd_device,
>  };
> 
> +static struct regulator_consumer_supply omap3evm_vaux3_supply = {
> +	.supply         = "cam_1v8",
> +};
> +
> +static struct regulator_consumer_supply omap3evm_vaux4_supply = {
> +	.supply         = "cam_2v8",
> +};
> +
> +/* VAUX3 for CAM_1V8 */
> +static struct regulator_init_data omap3evm_vaux3 = {
> +	.constraints = {
> +		.min_uV                 = 1800000,
> +		.max_uV                 = 1800000,
> +		.apply_uV               = true,
> +		.valid_modes_mask       = REGULATOR_MODE_NORMAL
> +					| REGULATOR_MODE_STANDBY,
> +		.valid_ops_mask         = REGULATOR_CHANGE_MODE
> +					| REGULATOR_CHANGE_STATUS,
> +		},
> +	.num_consumer_supplies  = 1,
> +	.consumer_supplies      = &omap3evm_vaux3_supply,

I might be wrong, but I think we're standardizing on using REGULATOR_SUPPLY 
arrays as described in commit 786b01a8c1db0c0decca55d660a2a3ebd7cfb26b 
("cleanup regulator supply definitions in mach-omap2").

> +};
> +
> +/* VAUX4 for CAM_2V8 */
> +static struct regulator_init_data omap3evm_vaux4 = {
> +	.constraints = {
> +		.min_uV                 = 1800000,
> +		.max_uV                 = 1800000,
> +		.apply_uV               = true,
> +		.valid_modes_mask       = REGULATOR_MODE_NORMAL
> +			| REGULATOR_MODE_STANDBY,
> +		.valid_ops_mask         = REGULATOR_CHANGE_MODE
> +			| REGULATOR_CHANGE_STATUS,
> +	},
> +	.num_consumer_supplies  = 1,
> +	.consumer_supplies      = &omap3evm_vaux4_supply,
> +};
> +
>  static struct regulator_consumer_supply omap3evm_vmmc1_supply[] = {
>  	REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
>  };
> @@ -499,6 +537,8 @@ static struct twl4030_platform_data omap3evm_twldata =
> { .vio		= &omap3evm_vio,
>  	.vmmc1		= &omap3evm_vmmc1,
>  	.vsim		= &omap3evm_vsim,
> +	.vaux3          = &omap3evm_vaux3,
> +	.vaux4          = &omap3evm_vaux4,
>  };
> 
>  static int __init omap3_evm_i2c_init(void)

-- 
Regards,

Laurent Pinchart
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