diff options
| author | Luca Ceresoli <luca@lucaceresoli.net> | 2022-02-23 18:59:08 +0100 |
|---|---|---|
| committer | Lee Jones <lee.jones@linaro.org> | 2022-03-07 13:55:04 +0000 |
| commit | c58e496311a50c087eeeaaae81083cd643fe5128 (patch) | |
| tree | 1d89a9f636d4d2e4aab7a60c66853a08846ebba2 /drivers | |
| parent | 3f6f1f1f9f12c16934304ceca342b7ba83639da9 (diff) | |
| download | linux-c58e496311a50c087eeeaaae81083cd643fe5128.tar.bz2 | |
rtc: max77686: Add MAX77714 support
The RTC included in the MAX77714 PMIC is very similar to the one in the
MAX77686. Reuse the rtc-max77686.c driver with the minimum required changes
for the MAX77714 RTC.
Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/rtc/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/rtc/rtc-max77686.c | 24 |
2 files changed, 25 insertions, 1 deletions
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index d85a3c31347c..f6d6d4c26361 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -375,7 +375,7 @@ config RTC_DRV_MAX8997 config RTC_DRV_MAX77686 tristate "Maxim MAX77686" - depends on MFD_MAX77686 || MFD_MAX77620 || COMPILE_TEST + depends on MFD_MAX77686 || MFD_MAX77620 || MFD_MAX77714 || COMPILE_TEST help If you say yes here you will get support for the RTC of Maxim MAX77686/MAX77620/MAX77802 PMIC. diff --git a/drivers/rtc/rtc-max77686.c b/drivers/rtc/rtc-max77686.c index 5c64d08c0732..b0250d91fb00 100644 --- a/drivers/rtc/rtc-max77686.c +++ b/drivers/rtc/rtc-max77686.c @@ -19,6 +19,7 @@ #define MAX77686_I2C_ADDR_RTC (0x0C >> 1) #define MAX77620_I2C_ADDR_RTC 0x68 +#define MAX77714_I2C_ADDR_RTC 0x48 #define MAX77686_INVALID_I2C_ADDR (-1) /* Define non existing register */ @@ -200,6 +201,28 @@ static const struct max77686_rtc_driver_data max77686_drv_data = { .regmap_config = &max77686_rtc_regmap_config, }; +static const struct regmap_irq_chip max77714_rtc_irq_chip = { + .name = "max77714-rtc", + .status_base = MAX77686_RTC_INT, + .mask_base = MAX77686_RTC_INTM, + .num_regs = 1, + .irqs = max77686_rtc_irqs, + .num_irqs = ARRAY_SIZE(max77686_rtc_irqs) - 1, /* no WTSR on 77714 */ +}; + +static const struct max77686_rtc_driver_data max77714_drv_data = { + .delay = 16000, + .mask = 0x7f, + .map = max77686_map, + .alarm_enable_reg = false, + .rtc_irq_from_platform = false, + /* On MAX77714 RTCA1 is BIT 1 of RTCINT (0x00). Not supported by this driver. */ + .alarm_pending_status_reg = MAX77686_INVALID_REG, + .rtc_i2c_addr = MAX77714_I2C_ADDR_RTC, + .rtc_irq_chip = &max77714_rtc_irq_chip, + .regmap_config = &max77686_rtc_regmap_config, +}; + static const struct regmap_config max77620_rtc_regmap_config = { .reg_bits = 8, .val_bits = 8, @@ -843,6 +866,7 @@ static const struct platform_device_id rtc_id[] = { { "max77686-rtc", .driver_data = (kernel_ulong_t)&max77686_drv_data, }, { "max77802-rtc", .driver_data = (kernel_ulong_t)&max77802_drv_data, }, { "max77620-rtc", .driver_data = (kernel_ulong_t)&max77620_drv_data, }, + { "max77714-rtc", .driver_data = (kernel_ulong_t)&max77714_drv_data, }, {}, }; MODULE_DEVICE_TABLE(platform, rtc_id); |