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clk: ti: am33xx: fix RTC clock parent

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[ Upstream commit dc6dbd5100 ]

Right now, trying to use RTC purely with the ti-sysc / clkctrl framework
fails to enable the RTC module properly. Based on experimentation, this
appears to be because RTC is sourced from the clkdiv32k optional clock.
TRM is not very clear on this topic, but fix the RTC to use the proper
source clock nevertheless.

Reported-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Link: https://lkml.kernel.org/r/20200424152301.4018-1-t-kristo@ti.com
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Tero Kristo
2020-04-24 18:23:01 +03:00
committed by Greg Kroah-Hartman
parent 6b8c281e9a
commit e104bd8554
1 changed files with 1 additions and 1 deletions
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2
drivers/clk/ti/clk-33xx.c
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@@ -212,7 +212,7 @@ static const struct omap_clkctrl_reg_data am3_mpu_clkctrl_regs[] __initconst = {
};
static const struct omap_clkctrl_reg_data am3_l4_rtc_clkctrl_regs[] __initconst = {
{ AM3_L4_RTC_RTC_CLKCTRL, NULL, CLKF_SW_SUP, "clk_32768_ck" },
{ AM3_L4_RTC_RTC_CLKCTRL, NULL, CLKF_SW_SUP, "clk-24mhz-clkctrl:0000:0" },
{ 0 },
};