Re: [PATCH v5 4/7] input: max77693: add max77705 haptic support

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On Thu, Sep 26, 2024 at 01:20:21PM +0300, Dzmitry Sankouski wrote:
> Add support for haptic controller on MAX77705 Multifunction
> device.
> 
> This driver supports external pwm and LRA (Linear Resonant Actuator) motor.
> User can control the haptic device via force feedback framework.
> 
> Signed-off-by: Dzmitry Sankouski <dsankouski@xxxxxxxxx>

Acked-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>

> 
> ---
> Changes in v4:
> - add max77705 haptic support to max77693 driver
> - delete max77705-haptic
> ---
>  drivers/input/misc/Kconfig           |  4 ++--
>  drivers/input/misc/Makefile          |  1 +
>  drivers/input/misc/max77693-haptic.c | 15 ++++++++++++++-
>  3 files changed, 17 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
> index 6a852c76331b..b4515c4e5cf6 100644
> --- a/drivers/input/misc/Kconfig
> +++ b/drivers/input/misc/Kconfig
> @@ -241,11 +241,11 @@ config INPUT_MAX77650_ONKEY
>  
>  config INPUT_MAX77693_HAPTIC
>  	tristate "MAXIM MAX77693/MAX77843 haptic controller support"
> -	depends on (MFD_MAX77693 || MFD_MAX77843) && PWM
> +	depends on (MFD_MAX77693 || MFD_MAX77705 || MFD_MAX77843) && PWM
>  	select INPUT_FF_MEMLESS
>  	help
>  	  This option enables support for the haptic controller on
> -	  MAXIM MAX77693 and MAX77843 chips.
> +	  MAXIM MAX77693, MAX77705 and MAX77843 chips.
>  
>  	  To compile this driver as module, choose M here: the
>  	  module will be called max77693-haptic.
> diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
> index 4f7f736831ba..3e3532b27990 100644
> --- a/drivers/input/misc/Makefile
> +++ b/drivers/input/misc/Makefile
> @@ -53,6 +53,7 @@ obj-$(CONFIG_INPUT_KXTJ9)		+= kxtj9.o
>  obj-$(CONFIG_INPUT_M68K_BEEP)		+= m68kspkr.o
>  obj-$(CONFIG_INPUT_MAX77650_ONKEY)	+= max77650-onkey.o
>  obj-$(CONFIG_INPUT_MAX77693_HAPTIC)	+= max77693-haptic.o
> +obj-$(CONFIG_INPUT_MAX77705_HAPTIC)	+= max77705-haptic.o
>  obj-$(CONFIG_INPUT_MAX8925_ONKEY)	+= max8925_onkey.o
>  obj-$(CONFIG_INPUT_MAX8997_HAPTIC)	+= max8997_haptic.o
>  obj-$(CONFIG_INPUT_MC13783_PWRBUTTON)	+= mc13783-pwrbutton.o
> diff --git a/drivers/input/misc/max77693-haptic.c b/drivers/input/misc/max77693-haptic.c
> index 0e646f1b257b..c3b9d33608d7 100644
> --- a/drivers/input/misc/max77693-haptic.c
> +++ b/drivers/input/misc/max77693-haptic.c
> @@ -23,6 +23,7 @@
>  #include <linux/mfd/max77693.h>
>  #include <linux/mfd/max77693-common.h>
>  #include <linux/mfd/max77693-private.h>
> +#include <linux/mfd/max77705-private.h>
>  #include <linux/mfd/max77843-private.h>
>  
>  #define MAX_MAGNITUDE_SHIFT	16
> @@ -115,6 +116,13 @@ static int max77693_haptic_configure(struct max77693_haptic *haptic,
>  			MAX77693_HAPTIC_PWM_DIVISOR_128);
>  		config_reg = MAX77693_HAPTIC_REG_CONFIG2;
>  		break;
> +	case TYPE_MAX77705:
> +		value = ((haptic->type << MAX77693_CONFIG2_MODE) |
> +			(enable << MAX77693_CONFIG2_MEN) |
> +			(haptic->mode << MAX77693_CONFIG2_HTYP) |
> +			MAX77693_HAPTIC_PWM_DIVISOR_128);
> +		config_reg = MAX77705_PMIC_REG_MCONFIG;
> +		break;
>  	case TYPE_MAX77843:
>  		value = (haptic->type << MCONFIG_MODE_SHIFT) |
>  			(enable << MCONFIG_MEN_SHIFT) |
> @@ -312,6 +320,9 @@ static int max77693_haptic_probe(struct platform_device *pdev)
>  	case TYPE_MAX77693:
>  		haptic->regmap_haptic = max77693->regmap_haptic;
>  		break;
> +	case TYPE_MAX77705:
> +		haptic->regmap_haptic = max77693->regmap;
> +		break;
>  	case TYPE_MAX77843:
>  		haptic->regmap_haptic = max77693->regmap;
>  		break;
> @@ -407,6 +418,7 @@ static DEFINE_SIMPLE_DEV_PM_OPS(max77693_haptic_pm_ops,
>  
>  static const struct platform_device_id max77693_haptic_id[] = {
>  	{ "max77693-haptic", },
> +	{ "max77705-haptic", },
>  	{ "max77843-haptic", },
>  	{},
>  };
> @@ -414,6 +426,7 @@ MODULE_DEVICE_TABLE(platform, max77693_haptic_id);
>  
>  static const struct of_device_id of_max77693_haptic_dt_match[] = {
>  	{ .compatible = "maxim,max77693-haptic", },
> +	{ .compatible = "maxim,max77705-haptic", },
>  	{ .compatible = "maxim,max77843-haptic", },
>  	{ /* sentinel */ },
>  };
> @@ -432,5 +445,5 @@ module_platform_driver(max77693_haptic_driver);
>  
>  MODULE_AUTHOR("Jaewon Kim <jaewon02.kim@xxxxxxxxxxx>");
>  MODULE_AUTHOR("Krzysztof Kozlowski <krzk@xxxxxxxxxx>");
> -MODULE_DESCRIPTION("MAXIM 77693/77843 Haptic driver");
> +MODULE_DESCRIPTION("MAXIM 77693/77705/77843 Haptic driver");
>  MODULE_LICENSE("GPL");
> 
> -- 
> 2.39.2
> 

-- 
Dmitry




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