[PATCH] arm64: meson-g12a: Add CMA reserved memory

[Neil Armstrong]

In order to handle Video Output and later on Video decoding,
add a reserved CMA pool with a similar 256MiB size as other SoCs.

Signed-off-by: Neil Armstrong <narmstr...@baylibre.com>
---
 arch/arm64/boot/dts/amlogic/meson-g12a.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi 
b/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi
index 8f6f72e9825c..58176b525004 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi
@@ -82,6 +82,14 @@
                        reg = <0x0 0x05000000 0x0 0x300000>;
                        no-map;
                };
+
+               linux,cma {
+                       compatible = "shared-dma-pool";
+                       reusable;
+                       size = <0x0 0x10000000>;
+                       alignment = <0x0 0x400000>;
+                       linux,cma-default;
+               };
        };
 
        sm: secure-monitor {
-- 
2.21.0