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46 lines
1.5 KiB
Diff
46 lines
1.5 KiB
Diff
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Andre Przywara <andre.przywara@arm.com>
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Date: Wed, 21 Apr 2021 12:46:43 +0100
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Subject: drv:rtc: sun6i: Add Allwinner H616 support
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The H616 RTC changes its day storage to the newly introduced linear day
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scheme, so pair the new compatible string with this feature flag.
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The clock part is missing an external 32768 Hz oscillator input pin,
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for future expansion we must thus ignore any provided clock for now.
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Signed-off-by: Andre Przywara <andre.przywara@arm.com>
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---
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drivers/rtc/rtc-sun6i.c | 16 ++++++++++
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1 file changed, 16 insertions(+)
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diff --git a/drivers/rtc/rtc-sun6i.c b/drivers/rtc/rtc-sun6i.c
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index 190ea007d82e..e0b85a0d5645 100644
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--- a/drivers/rtc/rtc-sun6i.c
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+++ b/drivers/rtc/rtc-sun6i.c
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@@ -389,6 +389,22 @@ static void __init sun50i_h6_rtc_clk_init(struct device_node *node)
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CLK_OF_DECLARE_DRIVER(sun50i_h6_rtc_clk, "allwinner,sun50i-h6-rtc",
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sun50i_h6_rtc_clk_init);
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+static const struct sun6i_rtc_clk_data sun50i_h616_rtc_data = {
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+ .rc_osc_rate = 16000000,
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+ .fixed_prescaler = 32,
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+ .has_prescaler = 1,
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+ .has_out_clk = 1,
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+ .no_ext_losc = 1,
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+};
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+
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+static void __init sun50i_h616_rtc_clk_init(struct device_node *node)
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+{
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+ sun6i_rtc_clk_init(node, &sun50i_h616_rtc_data);
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+}
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+
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+CLK_OF_DECLARE_DRIVER(sun50i_h616_rtc_clk, "allwinner,sun50i-h616-rtc",
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+ sun50i_h616_rtc_clk_init);
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+
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/*
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* The R40 user manual is self-conflicting on whether the prescaler is
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* fixed or configurable. The clock diagram shows it as fixed, but there
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--
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Armbian
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