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arm64: dts: mediatek: mt8186: Fix systimer 13 MHz clock description

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[ Upstream commit b391efba57 ]

The systimer block derives its 13 MHz clock by dividing the main 26 MHz
oscillator clock by 2 internally. The 13 MHz clock is not a separate
oscillator.

Fix this by making the 13 MHz clock a divide-by-2 fixed factor clock,
taking its input from the main 26 MHz oscillator.

Fixes: 2e78620b13 ("arm64: dts: Add MediaTek MT8186 dts and evaluation board and Makefile")
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20221201084229.3464449-5-wenst@chromium.org
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Chen-Yu Tsai
2022-12-01 16:42:29 +08:00
committed by Greg Kroah-Hartman
parent fe54ab0528
commit 01ba5cd9b3
1 changed files with 5 additions and 3 deletions
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8
arch/arm64/boot/dts/mediatek/mt8186.dtsi
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@@ -214,10 +214,12 @@
};
};
clk13m: oscillator-13m {
compatible = "fixed-clock";
clk13m: fixed-factor-clock-13m {
compatible = "fixed-factor-clock";
#clock-cells = <0>;
clock-frequency = <13000000>;
clocks = <&clk26m>;
clock-div = <2>;
clock-mult = <1>;
clock-output-names = "clk13m";
};