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rtc: bd70528: Support RTC on ROHM BD73800

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BD73800 contains similar RTC block as BD71828 and BD71815. Only the address
offsets seem different. Support also BD73800 RTC using the rtc-bd70528.

Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://patch.msgid.link/1ff511f419fcbd72dd241f598127608a6a0c9598.1789538455.git.mazziesaccount@gmail.com
Signed-off-by: Lee Jones <lee@kernel.org>
This commit is contained in:
Matti Vaittinen 2026-09-16 09:09:32 +03:00 committed by Lee Jones
parent 6f6ebfdd38
commit fcf132b701
1 changed files with 8 additions and 0 deletions
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8
drivers/rtc/rtc-bd70528.c
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@ -8,6 +8,7 @@
#include <linux/mfd/rohm-bd71815.h>
#include <linux/mfd/rohm-bd71828.h>
#include <linux/mfd/rohm-bd72720.h>
#include <linux/mfd/rohm-bd73800.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/platform_device.h>
@ -284,6 +285,12 @@ static int bd70528_probe(struct platform_device *pdev)
bd_rtc->bd718xx_alm_block_start = BD72720_REG_RTC_ALM_START;
hour_reg = BD72720_REG_RTC_HOUR;
break;
case ROHM_CHIP_TYPE_BD73800:
bd_rtc->reg_time_start = BD73800_REG_RTC_START;
bd_rtc->bd718xx_alm_block_start = BD73800_REG_RTC_ALM_START;
hour_reg = BD73800_REG_RTC_HOUR;
break;
default:
dev_err(&pdev->dev, "Unknown chip\n");
return -ENOENT;
@ -344,6 +351,7 @@ static const struct platform_device_id bd718x7_rtc_id[] = {
{ .name = "bd71828-rtc", .driver_data = ROHM_CHIP_TYPE_BD71828 },
{ .name = "bd71815-rtc", .driver_data = ROHM_CHIP_TYPE_BD71815 },
{ .name = "bd72720-rtc", .driver_data = ROHM_CHIP_TYPE_BD72720 },
{ .name = "bd73800-rtc", .driver_data = ROHM_CHIP_TYPE_BD73800 },
{ }
};
MODULE_DEVICE_TABLE(platform, bd718x7_rtc_id);