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    Subject[PATCH v1 03/18] arm64: dts: imx8mq-evk: add reserve memory node for CMA region
    Date
    Define allocation range for the default CMA region.

    Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
    Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
    Signed-off-by: Adrian Ratiu <adrian.ratiu@collabora.com>
    ---
    arch/arm64/boot/dts/freescale/imx8mq-evk.dts | 15 +++++++++++++++
    1 file changed, 15 insertions(+)

    diff --git a/arch/arm64/boot/dts/freescale/imx8mq-evk.dts b/arch/arm64/boot/dts/freescale/imx8mq-evk.dts
    index 85b045253a0e..047dfd4a1ffd 100644
    --- a/arch/arm64/boot/dts/freescale/imx8mq-evk.dts
    +++ b/arch/arm64/boot/dts/freescale/imx8mq-evk.dts
    @@ -21,6 +21,21 @@ memory@40000000 {
    reg = <0x00000000 0x40000000 0 0xc0000000>;
    };

    + resmem: reserved-memory {
    + #address-cells = <2>;
    + #size-cells = <2>;
    + ranges;
    +
    + /* global autoconfigured region for contiguous allocations */
    + linux,cma {
    + compatible = "shared-dma-pool";
    + reusable;
    + size = <0 0x3c000000>;
    + alloc-ranges = <0 0x40000000 0 0x40000000>;
    + linux,cma-default;
    + };
    + };
    +
    pcie0_refclk: pcie0-refclk {
    compatible = "fixed-clock";
    #clock-cells = <0>;
    --
    2.25.1
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