diff options
| author | Ye Li <ye.li@nxp.com> | 2021-07-14 01:00:21 -0700 |
|---|---|---|
| committer | Ye Li <ye.li@nxp.com> | 2022-04-06 18:03:27 +0800 |
| commit | 1080d7f5f1f3376f967d815557d791fb578cb779 (patch) | |
| tree | 06bb6bc8bb41a2dc4d44d9c1929239b43395321f | |
| parent | 72a0061288356d28afddbccb1b58973c5667050d (diff) | |
LFU-193-5 DTS: imx8mp: Add the CMA reserved memory
Add the CMA reserved memory node. For distro kernel which has enabled
CMA, it can use this reserved memory
Signed-off-by: Ye Li <ye.li@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
(cherry picked from commit 66b5e4c0c2a4cbd68b4b04e092bb93dbc01275f6)
(cherry picked from commit 595e03376003c00e8d8b6ecacdfeb0417a6ef25d)
| -rw-r--r-- | arch/arm/dts/imx8mp.dtsi | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm/dts/imx8mp.dtsi b/arch/arm/dts/imx8mp.dtsi index 74d33fd05f..c1822a3ef5 100644 --- a/arch/arm/dts/imx8mp.dtsi +++ b/arch/arm/dts/imx8mp.dtsi @@ -106,6 +106,21 @@ interrupt-parent = <&gic>; }; + 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 0xC0000000>; + linux,cma-default; + }; + }; + osc_32k: clock-osc-32k { compatible = "fixed-clock"; #clock-cells = <0>; |