[PATCH 03/13] [ARM] pxa/palm: Add core pmic support for Palm27x
Mike Rapoport
mike at compulab.co.il
Thu Jul 29 06:03:57 EDT 2010
Marek Vasut wrote:
> Signed-off-by: Marek Vasut <marek.vasut at 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.
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