^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) * Realtek RTD129x RTC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Copyright (c) 2017 Andreas Färber
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * SPDX-License-Identifier: GPL-2.0+
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/clk.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/of.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/of_address.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/rtc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/spinlock.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #define RTD_RTCSEC 0x00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #define RTD_RTCMIN 0x04
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #define RTD_RTCHR 0x08
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #define RTD_RTCDATE1 0x0c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #define RTD_RTCDATE2 0x10
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #define RTD_RTCACR 0x28
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #define RTD_RTCEN 0x2c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #define RTD_RTCCR 0x30
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #define RTD_RTCSEC_RTCSEC_MASK 0x7f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #define RTD_RTCMIN_RTCMIN_MASK 0x3f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #define RTD_RTCHR_RTCHR_MASK 0x1f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #define RTD_RTCDATE1_RTCDATE1_MASK 0xff
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #define RTD_RTCDATE2_RTCDATE2_MASK 0x7f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #define RTD_RTCACR_RTCPWR BIT(7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #define RTD_RTCEN_RTCEN_MASK 0xff
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #define RTD_RTCCR_RTCRST BIT(6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) struct rtd119x_rtc {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) void __iomem *base;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) struct clk *clk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) struct rtc_device *rtcdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) unsigned int base_year;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) static inline int rtd119x_rtc_days_in_year(int year)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) return 365 + (is_leap_year(year) ? 1 : 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) static void rtd119x_rtc_reset(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) struct rtd119x_rtc *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) u32 val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) val = readl_relaxed(data->base + RTD_RTCCR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) val |= RTD_RTCCR_RTCRST;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) writel_relaxed(val, data->base + RTD_RTCCR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) val &= ~RTD_RTCCR_RTCRST;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) writel(val, data->base + RTD_RTCCR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) static void rtd119x_rtc_set_enabled(struct device *dev, bool enable)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) struct rtd119x_rtc *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) u32 val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) val = readl_relaxed(data->base + RTD_RTCEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) if (enable) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) if ((val & RTD_RTCEN_RTCEN_MASK) == 0x5a)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) writel_relaxed(0x5a, data->base + RTD_RTCEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) writel_relaxed(0, data->base + RTD_RTCEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) static int rtd119x_rtc_read_time(struct device *dev, struct rtc_time *tm)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) struct rtd119x_rtc *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) s32 day;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) u32 sec;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) unsigned int year;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) int tries = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) while (true) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) tm->tm_sec = (readl_relaxed(data->base + RTD_RTCSEC) & RTD_RTCSEC_RTCSEC_MASK) >> 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) tm->tm_min = readl_relaxed(data->base + RTD_RTCMIN) & RTD_RTCMIN_RTCMIN_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) tm->tm_hour = readl_relaxed(data->base + RTD_RTCHR) & RTD_RTCHR_RTCHR_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) day = readl_relaxed(data->base + RTD_RTCDATE1) & RTD_RTCDATE1_RTCDATE1_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) day |= (readl_relaxed(data->base + RTD_RTCDATE2) & RTD_RTCDATE2_RTCDATE2_MASK) << 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) sec = (readl_relaxed(data->base + RTD_RTCSEC) & RTD_RTCSEC_RTCSEC_MASK) >> 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) tries++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) if (sec == tm->tm_sec)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) if (tries >= 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) if (tries > 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) dev_dbg(dev, "%s: needed %i tries\n", __func__, tries);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) year = data->base_year;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) while (day >= rtd119x_rtc_days_in_year(year)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) day -= rtd119x_rtc_days_in_year(year);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) year++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) tm->tm_year = year - 1900;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) tm->tm_yday = day;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) tm->tm_mon = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) while (day >= rtc_month_days(tm->tm_mon, year)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) day -= rtc_month_days(tm->tm_mon, year);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) tm->tm_mon++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) tm->tm_mday = day + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) static int rtd119x_rtc_set_time(struct device *dev, struct rtc_time *tm)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) struct rtd119x_rtc *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) unsigned int day;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) if (1900 + tm->tm_year < data->base_year)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) day = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) for (i = data->base_year; i < 1900 + tm->tm_year; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) day += rtd119x_rtc_days_in_year(i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) day += tm->tm_yday;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) if (day > 0x7fff)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) rtd119x_rtc_set_enabled(dev, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) writel_relaxed((tm->tm_sec << 1) & RTD_RTCSEC_RTCSEC_MASK, data->base + RTD_RTCSEC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) writel_relaxed(tm->tm_min & RTD_RTCMIN_RTCMIN_MASK, data->base + RTD_RTCMIN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) writel_relaxed(tm->tm_hour & RTD_RTCHR_RTCHR_MASK, data->base + RTD_RTCHR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) writel_relaxed(day & RTD_RTCDATE1_RTCDATE1_MASK, data->base + RTD_RTCDATE1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) writel_relaxed((day >> 8) & RTD_RTCDATE2_RTCDATE2_MASK, data->base + RTD_RTCDATE2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) rtd119x_rtc_set_enabled(dev, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) static const struct rtc_class_ops rtd119x_rtc_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) .read_time = rtd119x_rtc_read_time,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) .set_time = rtd119x_rtc_set_time,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) static const struct of_device_id rtd119x_rtc_dt_ids[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) { .compatible = "realtek,rtd1295-rtc" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) static int rtd119x_rtc_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) struct rtd119x_rtc *data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) u32 val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) if (!data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) platform_set_drvdata(pdev, data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) data->base_year = 2014;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) data->base = devm_platform_ioremap_resource(pdev, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) if (IS_ERR(data->base))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) return PTR_ERR(data->base);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) data->clk = of_clk_get(pdev->dev.of_node, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) if (IS_ERR(data->clk))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) return PTR_ERR(data->clk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) ret = clk_prepare_enable(data->clk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) clk_put(data->clk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) val = readl_relaxed(data->base + RTD_RTCACR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) if (!(val & RTD_RTCACR_RTCPWR)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) writel_relaxed(RTD_RTCACR_RTCPWR, data->base + RTD_RTCACR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) rtd119x_rtc_reset(&pdev->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) writel_relaxed(0, data->base + RTD_RTCMIN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) writel_relaxed(0, data->base + RTD_RTCHR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) writel_relaxed(0, data->base + RTD_RTCDATE1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) writel_relaxed(0, data->base + RTD_RTCDATE2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) rtd119x_rtc_set_enabled(&pdev->dev, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) data->rtcdev = devm_rtc_device_register(&pdev->dev, "rtc",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) &rtd119x_rtc_ops, THIS_MODULE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) if (IS_ERR(data->rtcdev)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) dev_err(&pdev->dev, "failed to register rtc device");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) clk_disable_unprepare(data->clk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) clk_put(data->clk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) return PTR_ERR(data->rtcdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) static int rtd119x_rtc_remove(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) struct rtd119x_rtc *data = platform_get_drvdata(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) rtd119x_rtc_set_enabled(&pdev->dev, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) clk_disable_unprepare(data->clk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) clk_put(data->clk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) static struct platform_driver rtd119x_rtc_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) .probe = rtd119x_rtc_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) .remove = rtd119x_rtc_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) .name = "rtd1295-rtc",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) .of_match_table = rtd119x_rtc_dt_ids,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) builtin_platform_driver(rtd119x_rtc_driver);
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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