From mboxrd@z Thu Jan  1 00:00:00 1970
From: mike@compulab.co.il (Mike Rapoport)
Date: Thu, 29 Jul 2010 13:03:57 +0300
Subject: [PATCH 03/13] [ARM] pxa/palm: Add core pmic support for Palm27x
In-Reply-To: <1280373389-32475-3-git-send-email-marek.vasut@gmail.com>
References: <1280373389-32475-1-git-send-email-marek.vasut@gmail.com>
	<1280373389-32475-3-git-send-email-marek.vasut@gmail.com>
Message-ID: <4C51520D.3000202@compulab.co.il>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

Marek Vasut wrote:
> Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
> ---
>  arch/arm/mach-pxa/palm27x.c |   57 +++++++++++++++++++++++++++++++++++++++++++
>  1 files changed, 57 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/arm/mach-pxa/palm27x.c b/arch/arm/mach-pxa/palm27x.c
> index ff5ee8c..a1009ec 100644
> --- a/arch/arm/mach-pxa/palm27x.c
> +++ b/arch/arm/mach-pxa/palm27x.c
> @@ -21,6 +21,7 @@
>  #include <linux/wm97xx.h>
>  #include <linux/power_supply.h>
>  #include <linux/usb/gpio_vbus.h>
> +#include <linux/regulator/max1586.h>
>  
>  #include <asm/mach-types.h>
>  #include <asm/mach/arch.h>
> @@ -35,6 +36,8 @@
>  #include <mach/palmasoc.h>
>  #include <mach/palm27x.h>
>  
> +#include <plat/i2c.h>
> +
>  #include "generic.h"
>  #include "devices.h"
>  
> @@ -458,6 +461,59 @@ static void __init palm27x_power_init(int ac, int usb)
>  static inline void palm27x_power_init(int ac, int usb) {}
>  #endif
>  
> +/******************************************************************************
> + * Core power regulator
> + ******************************************************************************/
> +#if defined(CONFIG_REGULATOR_MAX1586) || \
> +    defined(CONFIG_REGULATOR_MAX1586_MODULE)
> +static struct regulator_consumer_supply palm27x_max1587a_consumers[] = {
> +	{
> +		.supply	= "vcc_core",
> +	}
> +};
> +
> +static struct regulator_init_data palm27x_max1587a_v3_info = {
> +	.constraints = {
> +		.name		= "vcc_core range",
> +		.min_uV		= 900000,
> +		.max_uV		= 1705000,
> +		.always_on	= 1,
> +		.valid_ops_mask	= REGULATOR_CHANGE_VOLTAGE,
> +	},
> +	.consumer_supplies	= palm27x_max1587a_consumers,
> +	.num_consumer_supplies	= ARRAY_SIZE(palm27x_max1587a_consumers),
> +};
> +
> +static struct max1586_subdev_data palm27x_max1587a_subdevs[] = {
> +	{
> +		.name		= "vcc_core",
> +		.id		= MAX1586_V3,
> +		.platform_data	= &palm27x_max1587a_v3_info,
> +	}
> +};
> +
> +static struct max1586_platform_data palm27x_max1587a_info = {
> +	.subdevs     = palm27x_max1587a_subdevs,
> +	.num_subdevs = ARRAY_SIZE(palm27x_max1587a_subdevs),
> +	.v3_gain     = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */
> +};
> +
> +static struct i2c_board_info __initdata palm27x_pi2c_board_info[] = {
> +	{
> +		I2C_BOARD_INFO("max1586", 0x14),
> +		.platform_data	= &palm27x_max1587a_info,
> +	},
> +};
> +
> +static void __init palm27x_pmic_init(void)
> +{
> +	i2c_register_board_info(1, ARRAY_AND_SIZE(palm27x_pi2c_board_info));
> +	pxa27x_set_i2c_power_info(NULL);

Consider using PIO mode for PMIC communications

> +}
> +#else
> +static inline void palm27x_pmic_init(void) {}
> +#endif
> +
>  void __init palm27x_common_init(struct palm27x_handheld *palm)
>  {
>  	pxa_set_ffuart_info(NULL);
> @@ -472,4 +528,5 @@ void __init palm27x_common_init(struct palm27x_handheld *palm)
>  	palm27x_ac97_init(palm->batt_minv, palm->batt_maxv, palm->jack_gpio);
>  	palm27x_pwm_init(palm->bl_bl, palm->bl_lcd);
>  	palm27x_power_init(palm->power_ac, palm->power_usb);
> +	palm27x_pmic_init();
>  }


-- 
Sincerely yours,
Mike.