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Message-Id: <20210104132806.720558-2-martin.blumenstingl@googlemail.com>
Date: Mon, 4 Jan 2021 14:28:02 +0100
From: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
To: jbrunet@...libre.com, linux-amlogic@...ts.infradead.org
Cc: mturquette@...libre.com, sboyd@...nel.org,
linux-clk@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org,
Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Subject: [PATCH 1/5] clk: meson: meson8b: don't use MPLL1 as parent of vclk_in_sel
MPLL1 is needed for audio output. Drop it from the vclk_in_sel parent
list so we only use the (mutable) vid_pll_final_div tree or one of the
(fixed) FCLK_DIV{3,4,5} clocks.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
---
drivers/clk/meson/meson8b.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/clk/meson/meson8b.c b/drivers/clk/meson/meson8b.c
index a844d35b553a..f8bd211db720 100644
--- a/drivers/clk/meson/meson8b.c
+++ b/drivers/clk/meson/meson8b.c
@@ -1154,6 +1154,10 @@ static struct clk_regmap meson8b_vid_pll_final_div = {
},
};
+/*
+ * parent 0x6 is meson8b_mpll1 but we don't use it here because it's reserved
+ * for the audio outputs.
+ */
static const struct clk_hw *meson8b_vclk_mux_parent_hws[] = {
&meson8b_vid_pll_final_div.hw,
&meson8b_fclk_div4.hw,
@@ -1161,7 +1165,6 @@ static const struct clk_hw *meson8b_vclk_mux_parent_hws[] = {
&meson8b_fclk_div5.hw,
&meson8b_vid_pll_final_div.hw,
&meson8b_fclk_div7.hw,
- &meson8b_mpll1.hw,
};
static struct clk_regmap meson8b_vclk_in_sel = {
--
2.30.0
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