| Message ID | 20221201084229.3464449-5-wenst@chromium.org (mailing list archive) |
|---|---|
| State | Superseded, archived |
| Headers | show |
| Series | arm64: dts: mediatek: Fix systimer clock description | expand |
Il 01/12/22 09:42, Chen-Yu Tsai ha scritto: > 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: 2e78620b1350 ("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>
diff --git a/arch/arm64/boot/dts/mediatek/mt8186.dtsi b/arch/arm64/boot/dts/mediatek/mt8186.dtsi index 4a2f7ad3c6f0..209f26f12dbc 100644 --- a/arch/arm64/boot/dts/mediatek/mt8186.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8186.dtsi @@ -215,10 +215,12 @@ l3_0: l3-cache { }; }; - 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"; };
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: 2e78620b1350 ("arm64: dts: Add MediaTek MT8186 dts and evaluation board and Makefile") Signed-off-by: Chen-Yu Tsai <wenst@chromium.org> --- arch/arm64/boot/dts/mediatek/mt8186.dtsi | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-)