diff options
Diffstat (limited to 'drivers/mfd/rk8xx-i2c.c')
| -rw-r--r-- | drivers/mfd/rk8xx-i2c.c | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/drivers/mfd/rk8xx-i2c.c b/drivers/mfd/rk8xx-i2c.c index 37287b06dab0..2951b2911a37 100644 --- a/drivers/mfd/rk8xx-i2c.c +++ b/drivers/mfd/rk8xx-i2c.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0-only /* - * Rockchip RK805/RK808/RK816/RK817/RK818 Core (I2C) driver + * Rockchip RK801/RK805/RK808/RK816/RK817/RK818 Core (I2C) driver * * Copyright (c) 2014, Fuzhou Rockchip Electronics Co., Ltd * Copyright (C) 2016 PHYTEC Messtechnik GmbH @@ -21,6 +21,23 @@ struct rk8xx_i2c_platform_data { int variant; }; +static bool rk801_is_volatile_reg(struct device *dev, unsigned int reg) +{ + switch (reg) { + case RK801_SYS_STS_REG: + case RK801_INT_STS0_REG: + case RK801_SYS_CFG0_REG: + case RK801_SYS_CFG1_REG: + case RK801_SYS_CFG2_REG: + case RK801_SYS_CFG3_REG: + case RK801_SYS_CFG4_REG: + case RK801_SLEEP_CFG_REG: + return true; + } + + return false; +} + static bool rk806_is_volatile_reg(struct device *dev, unsigned int reg) { switch (reg) { @@ -124,6 +141,14 @@ static const struct regmap_config rk818_regmap_config = { .volatile_reg = rk808_is_volatile_reg, }; +static const struct regmap_config rk801_regmap_config = { + .reg_bits = 8, + .val_bits = 8, + .max_register = RK801_SYS_CFG3_OTP_REG, + .cache_type = REGCACHE_RBTREE, + .volatile_reg = rk801_is_volatile_reg, +}; + static const struct regmap_config rk805_regmap_config = { .reg_bits = 8, .val_bits = 8, @@ -164,6 +189,11 @@ static const struct regmap_config rk817_regmap_config = { .volatile_reg = rk817_is_volatile_reg, }; +static const struct rk8xx_i2c_platform_data rk801_data = { + .regmap_cfg = &rk801_regmap_config, + .variant = RK801_ID, +}; + static const struct rk8xx_i2c_platform_data rk805_data = { .regmap_cfg = &rk805_regmap_config, .variant = RK805_ID, @@ -224,6 +254,7 @@ static void rk8xx_i2c_shutdown(struct i2c_client *client) static SIMPLE_DEV_PM_OPS(rk8xx_i2c_pm_ops, rk8xx_suspend, rk8xx_resume); static const struct of_device_id rk8xx_i2c_of_match[] = { + { .compatible = "rockchip,rk801", .data = &rk801_data }, { .compatible = "rockchip,rk805", .data = &rk805_data }, { .compatible = "rockchip,rk806", .data = &rk806_data }, { .compatible = "rockchip,rk808", .data = &rk808_data }, |