diff --git a/projects/Allwinner/devices/H6/patches/linux/15-RTC-workaround.patch b/projects/Allwinner/devices/H6/patches/linux/15-RTC-workaround.patch new file mode 100644 index 0000000000..b4ff3f6fc4 --- /dev/null +++ b/projects/Allwinner/devices/H6/patches/linux/15-RTC-workaround.patch @@ -0,0 +1,41 @@ +From 7c8b4644df51ba7ecd68a6898bcb041ab669ddf9 Mon Sep 17 00:00:00 2001 +From: Jernej Skrabec +Date: Sun, 25 Aug 2019 00:02:06 +0200 +Subject: [PATCH] RTC workaround + +Signed-off-by: Jernej Skrabec +--- + drivers/rtc/rtc-sun6i.c | 3 ++- + 1 file changed, 2 insertions(+), 1 deletion(-) + +diff --git a/drivers/rtc/rtc-sun6i.c b/drivers/rtc/rtc-sun6i.c +index 4603a91c11be..d8a0817b96f4 100644 +--- a/drivers/rtc/rtc-sun6i.c ++++ b/drivers/rtc/rtc-sun6i.c +@@ -33,6 +33,7 @@ + #define SUN6I_LOSC_CTRL 0x0000 + #define SUN6I_LOSC_CTRL_KEY (0x16aa << 16) + #define SUN6I_LOSC_CTRL_AUTO_SWT_BYPASS BIT(15) ++#define SUN6I_LOSC_CTRL_AUTO_SWT_EN BIT(14) + #define SUN6I_LOSC_CTRL_ALM_DHMS_ACC BIT(9) + #define SUN6I_LOSC_CTRL_RTC_HMS_ACC BIT(8) + #define SUN6I_LOSC_CTRL_RTC_YMD_ACC BIT(7) +@@ -253,6 +254,7 @@ static void __init sun6i_rtc_clk_init(struct device_node *node, + + /* Switch to the external, more precise, oscillator */ + reg |= SUN6I_LOSC_CTRL_EXT_OSC; ++ reg |= SUN6I_LOSC_CTRL_AUTO_SWT_EN; + if (rtc->data->has_losc_en) + reg |= SUN6I_LOSC_CTRL_EXT_LOSC_EN; + writel(reg, rtc->base + SUN6I_LOSC_CTRL); +@@ -370,7 +372,6 @@ static const struct sun6i_rtc_clk_data sun50i_h6_rtc_data = { + .has_out_clk = 1, + .export_iosc = 1, + .has_losc_en = 1, +- .has_auto_swt = 1, + }; + + static void __init sun50i_h6_rtc_clk_init(struct device_node *node) +-- +2.23.0 +