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Input: sc27xx - add support for sc2730 and sc2721 

Add new compatible strings and match data to support sc2730 and sc2721
which are two varieties of SC27XX family.

Signed-off-by: Nemo Han <nemo.han@unisoc.com>
Signed-off-by: Chunyan Zhang <chunyan.zhang@unisoc.com>
Link: https://lore.kernel.org/r/20201117034949.47877-2-zhang.lyra@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
zero-sugar-mainline-defconfig
Nemo Han 2020-12-11 18:44:50 -08:00 committed by Dmitry Torokhov
parent 0010d7bbf5
commit 3993a1a951
1 changed files with 61 additions and 14 deletions
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75
drivers/input/misc/sc27xx-vibra.c
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@ -3,45 +3,82 @@
* Copyright (C) 2018 Spreadtrum Communications Inc.
*/
#include <linux/module.h>
#include <linux/of_address.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>
#include <linux/device.h>
#include <linux/input.h>
#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/property.h>
#include <linux/regmap.h>
#include <linux/workqueue.h>
#define CUR_DRV_CAL_SEL GENMASK(13, 12)
#define SLP_LDOVIBR_PD_EN BIT(9)
#define LDO_VIBR_PD BIT(8)
#define CUR_DRV_CAL_SEL GENMASK(13, 12)
#define SLP_LDOVIBR_PD_EN BIT(9)
#define LDO_VIBR_PD BIT(8)
#define SC2730_CUR_DRV_CAL_SEL 0
#define SC2730_SLP_LDOVIBR_PD_EN BIT(14)
#define SC2730_LDO_VIBR_PD BIT(13)
struct sc27xx_vibra_data {
u32 cur_drv_cal_sel;
u32 slp_pd_en;
u32 ldo_pd;
};
struct vibra_info {
struct input_dev *input_dev;
struct work_struct play_work;
struct regmap *regmap;
const struct sc27xx_vibra_data *data;
u32 base;
u32 strength;
bool enabled;
};
static const struct sc27xx_vibra_data sc2731_data = {
.cur_drv_cal_sel = CUR_DRV_CAL_SEL,
.slp_pd_en = SLP_LDOVIBR_PD_EN,
.ldo_pd = LDO_VIBR_PD,
};
static const struct sc27xx_vibra_data sc2730_data = {
.cur_drv_cal_sel = SC2730_CUR_DRV_CAL_SEL,
.slp_pd_en = SC2730_SLP_LDOVIBR_PD_EN,
.ldo_pd = SC2730_LDO_VIBR_PD,
};
static const struct sc27xx_vibra_data sc2721_data = {
.cur_drv_cal_sel = CUR_DRV_CAL_SEL,
.slp_pd_en = SLP_LDOVIBR_PD_EN,
.ldo_pd = LDO_VIBR_PD,
};
static void sc27xx_vibra_set(struct vibra_info *info, bool on)
{
const struct sc27xx_vibra_data *data = info->data;
if (on) {
regmap_update_bits(info->regmap, info->base, LDO_VIBR_PD, 0);
regmap_update_bits(info->regmap, info->base, data->ldo_pd, 0);
regmap_update_bits(info->regmap, info->base,
SLP_LDOVIBR_PD_EN, 0);
data->slp_pd_en, 0);
info->enabled = true;
} else {
regmap_update_bits(info->regmap, info->base, LDO_VIBR_PD,
LDO_VIBR_PD);
regmap_update_bits(info->regmap, info->base, data->ldo_pd,
data->ldo_pd);
regmap_update_bits(info->regmap, info->base,
SLP_LDOVIBR_PD_EN, SLP_LDOVIBR_PD_EN);
data->slp_pd_en, data->slp_pd_en);
info->enabled = false;
}
}
static int sc27xx_vibra_hw_init(struct vibra_info *info)
{
return regmap_update_bits(info->regmap, info->base, CUR_DRV_CAL_SEL, 0);
const struct sc27xx_vibra_data *data = info->data;
if (!data->cur_drv_cal_sel)
return 0;
return regmap_update_bits(info->regmap, info->base,
data->cur_drv_cal_sel, 0);
}
static void sc27xx_vibra_play_work(struct work_struct *work)
@ -78,8 +115,15 @@ static void sc27xx_vibra_close(struct input_dev *input)
static int sc27xx_vibra_probe(struct platform_device *pdev)
{
struct vibra_info *info;
const struct sc27xx_vibra_data *data;
int error;
data = device_get_match_data(&pdev->dev);
if (!data) {
dev_err(&pdev->dev, "no matching driver data found\n");
return -EINVAL;
}
info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL);
if (!info)
return -ENOMEM;
@ -105,6 +149,7 @@ static int sc27xx_vibra_probe(struct platform_device *pdev)
info->input_dev->name = "sc27xx:vibrator";
info->input_dev->id.version = 0;
info->input_dev->close = sc27xx_vibra_close;
info->data = data;
input_set_drvdata(info->input_dev, info);
input_set_capability(info->input_dev, EV_FF, FF_RUMBLE);
@ -134,7 +179,9 @@ static int sc27xx_vibra_probe(struct platform_device *pdev)
}
static const struct of_device_id sc27xx_vibra_of_match[] = {
{ .compatible = "sprd,sc2731-vibrator", },
{ .compatible = "sprd,sc2721-vibrator", .data = &sc2721_data },
{ .compatible = "sprd,sc2730-vibrator", .data = &sc2730_data },
{ .compatible = "sprd,sc2731-vibrator", .data = &sc2731_data },
{}
};
MODULE_DEVICE_TABLE(of, sc27xx_vibra_of_match);