diff options
| author | Matti Vaittinen <mazziesaccount@gmail.com> | 2025-12-15 15:20:50 +0200 |
|---|---|---|
| committer | Lee Jones <lee@kernel.org> | 2026-01-13 12:50:24 +0000 |
| commit | 0234e0033e62c1043b602e699580c843c4457486 (patch) | |
| tree | 01302719706749a3a94f0fb46bf0af8e3f6a9324 /drivers | |
| parent | da4950b5911197813e62b2347caf3bd525cb35a2 (diff) | |
rtc: bd70528: Support BD72720 rtc
The BD72720 has similar RTC block as a few other ROHM PMICs.
Add support for BD72720 RTC.
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://patch.msgid.link/3241773f0f8e8d8e591a8e948495686cfdee4875.1765804226.git.mazziesaccount@gmail.com
Signed-off-by: Lee Jones <lee@kernel.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/rtc/Kconfig | 3 | ||||
| -rw-r--r-- | drivers/rtc/rtc-bd70528.c | 21 |
2 files changed, 16 insertions, 8 deletions
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index 50dc779f7f98..7ac18985e438 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -570,7 +570,8 @@ config RTC_DRV_BD70528 depends on MFD_ROHM_BD71828 help If you say Y here you will get support for the RTC - block on ROHM BD71815 and BD71828 Power Management IC. + block on ROHM BD71815, BD71828 and BD72720 Power + Management ICs. This driver can also be built as a module. If so, the module will be called rtc-bd70528. diff --git a/drivers/rtc/rtc-bd70528.c b/drivers/rtc/rtc-bd70528.c index 954ac4ef53e8..4c8599761b2e 100644 --- a/drivers/rtc/rtc-bd70528.c +++ b/drivers/rtc/rtc-bd70528.c @@ -7,6 +7,7 @@ #include <linux/bcd.h> #include <linux/mfd/rohm-bd71815.h> #include <linux/mfd/rohm-bd71828.h> +#include <linux/mfd/rohm-bd72720.h> #include <linux/module.h> #include <linux/of.h> #include <linux/platform_device.h> @@ -262,13 +263,13 @@ static int bd70528_probe(struct platform_device *pdev) /* * See also BD718XX_ALM_EN_OFFSET: - * This works for BD71828 and BD71815 as they have same offset - * between ALM0 start and ALM0_MASK. If new ICs are to be - * added this requires proper check as ALM0_MASK is not located - * at the end of ALM0 block - but after all ALM blocks so if - * amount of ALMs differ the offset to enable/disable is likely - * to be incorrect and enable/disable must be given as own - * reg address here. + * This works for BD71828, BD71815, and BD72720 as they all + * have same offset between the ALM0 start and the ALM0_MASK. + * If new ICs are to be added this requires proper check as + * the ALM0_MASK is not located at the end of ALM0 block - + * but after all ALM blocks. If amount of ALMs differ, the + * offset to enable/disable is likely to be incorrect and + * enable/disable must be given as own reg address here. */ bd_rtc->bd718xx_alm_block_start = BD71815_REG_RTC_ALM_START; hour_reg = BD71815_REG_HOUR; @@ -278,6 +279,11 @@ static int bd70528_probe(struct platform_device *pdev) bd_rtc->bd718xx_alm_block_start = BD71828_REG_RTC_ALM_START; hour_reg = BD71828_REG_RTC_HOUR; break; + case ROHM_CHIP_TYPE_BD72720: + bd_rtc->reg_time_start = BD72720_REG_RTC_START; + bd_rtc->bd718xx_alm_block_start = BD72720_REG_RTC_ALM_START; + hour_reg = BD72720_REG_RTC_HOUR; + break; default: dev_err(&pdev->dev, "Unknown chip\n"); return -ENOENT; @@ -337,6 +343,7 @@ static int bd70528_probe(struct platform_device *pdev) static const struct platform_device_id bd718x7_rtc_id[] = { { "bd71828-rtc", ROHM_CHIP_TYPE_BD71828 }, { "bd71815-rtc", ROHM_CHIP_TYPE_BD71815 }, + { "bd72720-rtc", ROHM_CHIP_TYPE_BD72720 }, { }, }; MODULE_DEVICE_TABLE(platform, bd718x7_rtc_id); |