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From: Lorenzo Bianconi <lorenzo@kernel.org>
To: Martin Kepplinger <martin.kepplinger@puri.sm>
Cc: lorenzo.bianconi83@gmail.com, jic23@kernel.org, knaack.h@gmx.de,
	lars@metafoo.de, pmeerw@pmeerw.net, linux-iio@vger.kernel.org,
	devicetree@vger.kernel.org
Subject: Re: [PATCHv2 1/3] iio: imu: st_lsm6sdx: move register definitions to sensor_settings struct
Date: Tue, 16 Jul 2019 11:43:58 +0200	[thread overview]
Message-ID: <20190716094358.GC13440@localhost.localdomain> (raw)
In-Reply-To: <20190716093325.7683-1-martin.kepplinger@puri.sm>

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> Move some register definitions to the per-device array of struct
> st_lsm6dsx_sensor_settings in order to simplify adding new sensor
> devices to the driver.
> 
> Also, remove completely unused register definitions.
> 
> Signed-off-by: Martin Kepplinger <martin.kepplinger@puri.sm>
> ---
> 

Acked-by: Lorenzo Bianconi <lorenzo@kernel.org>

> 
> This is already based on Lorenzo's recent changes:
> https://lore.kernel.org/linux-iio/853f216a-7814-cb79-180b-078ac5e8a359@puri.sm/T/#u
> https://lore.kernel.org/linux-iio/501b0db9-63cb-905c-c09b-682eb73f1ff3@puri.sm/T/#u
> 
> revision history:
> v2: improve variable names, thanks Lorenzo
> 
> thanks
>                        martin
> 
> 
> 
>  drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h      |  6 ++++
>  drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c | 31 ++++++++++++++------
>  2 files changed, 28 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h
> index ab1c66615d67..3c47f5d27d30 100644
> --- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h
> +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h
> @@ -198,6 +198,9 @@ struct st_lsm6dsx_ext_dev_settings {
>  /**
>   * struct st_lsm6dsx_settings - ST IMU sensor settings
>   * @wai: Sensor WhoAmI default value.
> + * @int1_addr: Control Register address for INT1
> + * @int2_addr: Control Register address for INT2
> + * @reset_addr: register address for reset/reboot
>   * @max_fifo_size: Sensor max fifo length in FIFO words.
>   * @id: List of hw id/device name supported by the driver configuration.
>   * @odr_table: Hw sensors odr table (Hz + val).
> @@ -210,6 +213,9 @@ struct st_lsm6dsx_ext_dev_settings {
>   */
>  struct st_lsm6dsx_settings {
>  	u8 wai;
> +	u8 int1_addr;
> +	u8 int2_addr;
> +	u8 reset_addr;
>  	u16 max_fifo_size;
>  	struct {
>  		enum st_lsm6dsx_hw_id hw_id;
> diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
> index 9aa109428a52..e0d2149625cc 100644
> --- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
> +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
> @@ -49,17 +49,12 @@
>  
>  #include "st_lsm6dsx.h"
>  
> -#define ST_LSM6DSX_REG_INT1_ADDR		0x0d
> -#define ST_LSM6DSX_REG_INT2_ADDR		0x0e
>  #define ST_LSM6DSX_REG_FIFO_FTH_IRQ_MASK	BIT(3)
>  #define ST_LSM6DSX_REG_WHOAMI_ADDR		0x0f
> -#define ST_LSM6DSX_REG_RESET_ADDR		0x12
>  #define ST_LSM6DSX_REG_RESET_MASK		BIT(0)
>  #define ST_LSM6DSX_REG_BOOT_MASK		BIT(7)
>  #define ST_LSM6DSX_REG_BDU_ADDR			0x12
>  #define ST_LSM6DSX_REG_BDU_MASK			BIT(6)
> -#define ST_LSM6DSX_REG_INT2_ON_INT1_ADDR	0x13
> -#define ST_LSM6DSX_REG_INT2_ON_INT1_MASK	BIT(5)
>  
>  #define ST_LSM6DSX_REG_ACC_OUT_X_L_ADDR		0x28
>  #define ST_LSM6DSX_REG_ACC_OUT_Y_L_ADDR		0x2a
> @@ -72,6 +67,9 @@
>  static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = {
>  	{
>  		.wai = 0x69,
> +		.int1_addr = 0x0d,
> +		.int2_addr = 0x0e,
> +		.reset_addr = 0x12,
>  		.max_fifo_size = 1365,
>  		.id = {
>  			{
> @@ -170,6 +168,9 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = {
>  	},
>  	{
>  		.wai = 0x69,
> +		.int1_addr = 0x0d,
> +		.int2_addr = 0x0e,
> +		.reset_addr = 0x12,
>  		.max_fifo_size = 682,
>  		.id = {
>  			{
> @@ -268,6 +269,9 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = {
>  	},
>  	{
>  		.wai = 0x6a,
> +		.int1_addr = 0x0d,
> +		.int2_addr = 0x0e,
> +		.reset_addr = 0x12,
>  		.max_fifo_size = 682,
>  		.id = {
>  			{
> @@ -375,6 +379,9 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = {
>  	},
>  	{
>  		.wai = 0x6c,
> +		.int1_addr = 0x0d,
> +		.int2_addr = 0x0e,
> +		.reset_addr = 0x12,
>  		.max_fifo_size = 512,
>  		.id = {
>  			{
> @@ -494,6 +501,9 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = {
>  	},
>  	{
>  		.wai = 0x6b,
> +		.int1_addr = 0x0d,
> +		.int2_addr = 0x0e,
> +		.reset_addr = 0x12,
>  		.max_fifo_size = 512,
>  		.id = {
>  			{
> @@ -584,6 +594,9 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = {
>  	},
>  	{
>  		.wai = 0x6b,
> +		.int1_addr = 0x0d,
> +		.int2_addr = 0x0e,
> +		.reset_addr = 0x12,
>  		.max_fifo_size = 512,
>  		.id = {
>  			{
> @@ -1117,10 +1130,10 @@ static int st_lsm6dsx_get_drdy_reg(struct st_lsm6dsx_hw *hw, u8 *drdy_reg)
>  
>  	switch (drdy_pin) {
>  	case 1:
> -		*drdy_reg = ST_LSM6DSX_REG_INT1_ADDR;
> +		*drdy_reg = hw->settings->int1_addr;
>  		break;
>  	case 2:
> -		*drdy_reg = ST_LSM6DSX_REG_INT2_ADDR;
> +		*drdy_reg = hw->settings->int2_addr;
>  		break;
>  	default:
>  		dev_err(hw->dev, "unsupported data ready pin\n");
> @@ -1220,7 +1233,7 @@ static int st_lsm6dsx_init_device(struct st_lsm6dsx_hw *hw)
>  	int err;
>  
>  	/* device sw reset */
> -	err = regmap_update_bits(hw->regmap, ST_LSM6DSX_REG_RESET_ADDR,
> +	err = regmap_update_bits(hw->regmap, hw->settings->reset_addr,
>  				 ST_LSM6DSX_REG_RESET_MASK,
>  				 FIELD_PREP(ST_LSM6DSX_REG_RESET_MASK, 1));
>  	if (err < 0)
> @@ -1229,7 +1242,7 @@ static int st_lsm6dsx_init_device(struct st_lsm6dsx_hw *hw)
>  	msleep(50);
>  
>  	/* reload trimming parameter */
> -	err = regmap_update_bits(hw->regmap, ST_LSM6DSX_REG_RESET_ADDR,
> +	err = regmap_update_bits(hw->regmap, hw->settings->reset_addr,
>  				 ST_LSM6DSX_REG_BOOT_MASK,
>  				 FIELD_PREP(ST_LSM6DSX_REG_BOOT_MASK, 1));
>  	if (err < 0)
> -- 
> 2.20.1
> 

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      parent reply	other threads:[~2019-07-16  9:44 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-16  9:33 [PATCHv2 1/3] iio: imu: st_lsm6sdx: move register definitions to sensor_settings struct Martin Kepplinger
2019-07-16  9:33 ` [PATCHv2 2/3] iio: imu: st_lsm6dsx: add support for accel/gyro unit of lsm9sd1 Martin Kepplinger
2019-07-16  9:48   ` Lorenzo Bianconi
2019-07-16  9:33 ` [PATCH 3/3] dt-bindings: iio: imu: st_lsm6dsx: add lsm9ds1 device bindings Martin Kepplinger
2019-07-16  9:43 ` Lorenzo Bianconi [this message]

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