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    Subject[PATCH 6/6] arm: dts: stm32f4: Add external I2S clock
    Date
    From: Gabriel Fernandez <gabriel.fernandez@st.com>

    This patch adds an external I2S clock in the DT.
    The I2S clock could be derived from an external I2S clock or by I2S pll.

    Signed-off-by: Gabriel Fernandez <gabriel.fernandez@st.com>
    ---
    arch/arm/boot/dts/stm32f429.dtsi | 8 +++++++-
    1 file changed, 7 insertions(+), 1 deletion(-)

    diff --git a/arch/arm/boot/dts/stm32f429.dtsi b/arch/arm/boot/dts/stm32f429.dtsi
    index 2700449..14da6ce 100644
    --- a/arch/arm/boot/dts/stm32f429.dtsi
    +++ b/arch/arm/boot/dts/stm32f429.dtsi
    @@ -68,6 +68,12 @@
    compatible = "fixed-clock";
    clock-frequency = <32000>;
    };
    +
    + clk_i2s_ckin: i2s-ckin {
    + #clock-cells = <0>;
    + compatible = "fixed-clock";
    + clock-frequency = <0>;
    + };
    };

    soc {
    @@ -356,7 +362,7 @@
    #clock-cells = <2>;
    compatible = "st,stm32f42xx-rcc", "st,stm32-rcc";
    reg = <0x40023800 0x400>;
    - clocks = <&clk_hse>;
    + clocks = <&clk_hse>, <&clk_i2s_ckin>;
    st,syscfg = <&pwrcfg>;
    };

    --
    1.9.1
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