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Date: Fri, 22 Aug 2014 10:30:17 +0100
From: Lee Jones <lee.jones@...aro.org>
To: Jacek Anaszewski <j.anaszewski@...sung.com>
Cc: linux-leds@...r.kernel.org, linux-kernel@...r.kernel.org,
kyungmin.park@...sung.com, b.zolnierkie@...sung.com,
Andrzej Hajda <a.hajda@...sung.com>,
SangYoung Son <hello.son@...sung.com>,
Samuel Ortiz <sameo@...ux.intel.com>
Subject: Re: [PATCH] mfd: max77693: improve support for the flash cell
On Fri, 22 Aug 2014, Jacek Anaszewski wrote:
> This patch improves support for the flash cell of
> max77693 mfd by adding relevant of_compatible field
> and a structure for caching related platform data.
> Added are also FLASH registers related macro definitions.
>
> Signed-off-by: Jacek Anaszewski <j.anaszewski@...sung.com>
> Signed-off-by: Andrzej Hajda <a.hajda@...sung.com>
> Acked-by: Kyungmin Park <kyungmin.park@...sung.com>
> Cc: Lee Jones <lee.jones@...aro.org>
> Cc: SangYoung Son <hello.son@...sung.com>
> Cc: Samuel Ortiz <sameo@...ux.intel.com>
> ---
> drivers/mfd/max77693.c | 5 ++-
> include/linux/mfd/max77693-private.h | 59 ++++++++++++++++++++++++++++++++++
> include/linux/mfd/max77693.h | 40 +++++++++++++++++++++++
> 3 files changed, 103 insertions(+), 1 deletion(-)
Applied, thanks.
> diff --git a/drivers/mfd/max77693.c b/drivers/mfd/max77693.c
> index 249c139..cf008f4 100644
> --- a/drivers/mfd/max77693.c
> +++ b/drivers/mfd/max77693.c
> @@ -44,9 +44,12 @@
> static const struct mfd_cell max77693_devs[] = {
> { .name = "max77693-pmic", },
> { .name = "max77693-charger", },
> - { .name = "max77693-flash", },
> { .name = "max77693-muic", },
> { .name = "max77693-haptic", },
> + {
> + .name = "max77693-flash",
> + .of_compatible = "maxim,max77693-flash",
> + },
> };
>
> static const struct regmap_config max77693_regmap_config = {
> diff --git a/include/linux/mfd/max77693-private.h b/include/linux/mfd/max77693-private.h
> index 615f121..de06377 100644
> --- a/include/linux/mfd/max77693-private.h
> +++ b/include/linux/mfd/max77693-private.h
> @@ -85,6 +85,65 @@ enum max77693_pmic_reg {
> MAX77693_PMIC_REG_END,
> };
>
> +/* MAX77693 ITORCH register */
> +#define TORCH_IOUT1_SHIFT 0
> +#define TORCH_IOUT2_SHIFT 4
> +#define TORCH_IOUT_MIN 15625
> +#define TORCH_IOUT_MAX 250000
> +#define TORCH_IOUT_STEP 15625
> +
> +/* MAX77693 IFLASH1 and IFLASH2 registers */
> +#define FLASH_IOUT_MIN 15625
> +#define FLASH_IOUT_MAX_1LED 1000000
> +#define FLASH_IOUT_MAX_2LEDS 625000
> +#define FLASH_IOUT_STEP 15625
> +
> +/* MAX77693 TORCH_TIMER register */
> +#define TORCH_TMR_NO_TIMER 0x40
> +#define TORCH_TIMEOUT_MIN 262000
> +#define TORCH_TIMEOUT_MAX 15728000
> +
> +/* MAX77693 FLASH_TIMER register */
> +#define FLASH_TMR_LEVEL 0x80
> +#define FLASH_TIMEOUT_MIN 62500
> +#define FLASH_TIMEOUT_MAX 1000000
> +#define FLASH_TIMEOUT_STEP 62500
> +
> +/* MAX77693 FLASH_EN register */
> +#define FLASH_EN_OFF 0x0
> +#define FLASH_EN_FLASH 0x1
> +#define FLASH_EN_TORCH 0x2
> +#define FLASH_EN_ON 0x3
> +#define FLASH_EN_SHIFT(x) (6 - ((x) - 1) * 2)
> +#define TORCH_EN_SHIFT(x) (2 - ((x) - 1) * 2)
> +
> +/* MAX77693 MAX_FLASH1 register */
> +#define MAX_FLASH1_MAX_FL_EN 0x80
> +#define MAX_FLASH1_VSYS_MIN 2400
> +#define MAX_FLASH1_VSYS_MAX 3400
> +#define MAX_FLASH1_VSYS_STEP 33
> +
> +/* MAX77693 VOUT_CNTL register */
> +#define FLASH_BOOST_FIXED 0x04
> +#define FLASH_BOOST_LEDNUM_2 0x80
> +
> +/* MAX77693 VOUT_FLASH1 register */
> +#define FLASH_VOUT_MIN 3300
> +#define FLASH_VOUT_MAX 5500
> +#define FLASH_VOUT_STEP 25
> +#define FLASH_VOUT_RMIN 0x0c
> +
> +/* MAX77693 FLASH_STATUS register */
> +#define FLASH_STATUS_FLASH_ON BIT(3)
> +#define FLASH_STATUS_TORCH_ON BIT(2)
> +
> +/* MAX77693 FLASH_INT register */
> +#define FLASH_INT_FLED2_OPEN BIT(0)
> +#define FLASH_INT_FLED2_SHORT BIT(1)
> +#define FLASH_INT_FLED1_OPEN BIT(2)
> +#define FLASH_INT_FLED1_SHORT BIT(3)
> +#define FLASH_INT_OVER_CURRENT BIT(4)
> +
> /* MAX77693 CHG_CNFG_00 register */
> #define CHG_CNFG_00_CHG_MASK 0x1
> #define CHG_CNFG_00_BUCK_MASK 0x4
> diff --git a/include/linux/mfd/max77693.h b/include/linux/mfd/max77693.h
> index 3f3dc45..f0b6585 100644
> --- a/include/linux/mfd/max77693.h
> +++ b/include/linux/mfd/max77693.h
> @@ -63,6 +63,45 @@ struct max77693_muic_platform_data {
> int path_uart;
> };
>
> +/* MAX77693 led flash */
> +
> +/* triggers */
> +enum max77693_led_trigger {
> + MAX77693_LED_TRIG_OFF,
> + MAX77693_LED_TRIG_FLASH,
> + MAX77693_LED_TRIG_TORCH,
> + MAX77693_LED_TRIG_EXT,
> + MAX77693_LED_TRIG_SOFT,
> +};
> +
> +/* trigger types */
> +enum max77693_led_trigger_type {
> + MAX77693_LED_TRIG_TYPE_EDGE,
> + MAX77693_LED_TRIG_TYPE_LEVEL,
> +};
> +
> +/* boost modes */
> +enum max77693_led_boost_mode {
> + MAX77693_LED_BOOST_NONE,
> + MAX77693_LED_BOOST_ADAPTIVE,
> + MAX77693_LED_BOOST_FIXED,
> +};
> +
> +struct max77693_led_platform_data {
> + u32 fleds[2];
> + u32 iout_torch[2];
> + u32 iout_flash[2];
> + u32 trigger[2];
> + u32 trigger_type[2];
> + u32 num_leds;
> + u32 boost_mode;
> + u32 flash_timeout;
> + u32 boost_vout;
> + u32 low_vsys;
> +};
> +
> +/* MAX77693 */
> +
> struct max77693_platform_data {
> /* regulator data */
> struct max77693_regulator_data *regulators;
> @@ -70,5 +109,6 @@ struct max77693_platform_data {
>
> /* muic data */
> struct max77693_muic_platform_data *muic_data;
> + struct max77693_led_platform_data *led_data;
> };
> #endif /* __LINUX_MFD_MAX77693_H */
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
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