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fix(stm32mp1_clk): keep RTCAPB clock always on 

Further information such as boot instance are sent over backup
registers. In order to guarantee direct access to backup registers
in uboot, we will keep the RTC clock enabled.

Change-Id: I16572d422bfebbf39190a87db8046df486ce91c8
Signed-off-by: Lionel Debieve <lionel.debieve@st.com>
Signed-off-by: Yann Gautier <yann.gautier@st.com>
This commit is contained in:
Lionel Debieve 2019-09-02 18:15:45 +02:00 committed by Yann Gautier
parent cbd2e8a6af
commit 373f06be4e
1 changed files with 1 additions and 4 deletions
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5
drivers/st/clk/stm32mp1_clk.c
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@ -2218,6 +2218,7 @@ static void sync_earlyboot_clocks_state(void)
DDRC2, DDRC2LP,
DDRCAPB, DDRPHYCAPB, DDRPHYCAPBLP,
DDRPHYC, DDRPHYCLP,
RTCAPB,
TZC1, TZC2,
TZPC,
STGEN_K,
@ -2226,10 +2227,6 @@ static void sync_earlyboot_clocks_state(void)
for (idx = 0U; idx < ARRAY_SIZE(secure_enable); idx++) {
stm32mp_clk_enable(secure_enable[idx]);
}
if (!stm32mp_is_single_core()) {
stm32mp1_clk_enable_secure(RTCAPB);
}
}
int stm32mp1_clk_probe(void)