diff options
| author | Frank Li <Frank.Li@nxp.com> | 2025-05-22 13:56:50 -0400 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2025-07-11 16:34:33 +0800 |
| commit | 5876f25015168f0014d4d11f4f37e87da730c03e (patch) | |
| tree | 2290006a1b4e5405e06ac3361176d5e5cd571a72 | |
| parent | 2217f824371491ea07e0ec31022195280cddf20b (diff) | |
arm64: dts: imx8q: add linux,cma node for imx8qm-mek and imx8qxp-mek
Add linux,cma node because some devices, such as camera, need big continue
physical memory.
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
| -rw-r--r-- | arch/arm64/boot/dts/freescale/imx8qm-mek.dts | 9 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/freescale/imx8qxp-mek.dts | 9 |
2 files changed, 18 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx8qm-mek.dts b/arch/arm64/boot/dts/freescale/imx8qm-mek.dts index e1023ca55929..9fa332dcacf4 100644 --- a/arch/arm64/boot/dts/freescale/imx8qm-mek.dts +++ b/arch/arm64/boot/dts/freescale/imx8qm-mek.dts @@ -113,6 +113,15 @@ reg = <0 0x94300000 0 0x100000>; no-map; }; + + /* global autoconfigured region for contiguous allocations */ + linux,cma { + compatible = "shared-dma-pool"; + alloc-ranges = <0 0xc0000000 0 0x3c000000>; + size = <0 0x3c000000>; + linux,cma-default; + reusable; + }; }; lvds_backlight0: backlight-lvds0 { diff --git a/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts b/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts index 38ebf06f2c40..2259070f0e3a 100644 --- a/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts +++ b/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts @@ -252,6 +252,15 @@ no-map; }; + /* global autoconfigured region for contiguous allocations */ + linux,cma { + compatible = "shared-dma-pool"; + alloc-ranges = <0 0xc0000000 0 0x3c000000>; + size = <0 0x3c000000>; + linux,cma-default; + reusable; + }; + gpu_reserved: memory@880000000 { no-map; reg = <0x8 0x80000000 0 0x10000000>; |