ARM: dts: sun7i: Add support for the C1 SRAM region with the SRAM controller

This adds support for the C1 SRAM region (to be used with the SRAM
controller driver) for the A20 platform. The region is shared
between the Video Engine and the CPU.

Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
[Maxime: Fixed the SRAM C size]
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>

diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi b/arch/arm/boot/dts/sun7i-a20.dtsi
index 33e28ae7bc2effdea3bdd273b90d3bcb9ba07505..9c52712af24111daeb7e94a8be2ebabcc94c55c9 100644 (file)
--- a/arch/arm/boot/dts/sun7i-a20.dtsi
+++ b/arch/arm/boot/dts/sun7i-a20.dtsi
@@ -289,6 +289,20 @@
                                        status = "disabled";
                                };
                        };
+
+                       sram_c: sram@1d00000 {
+                               compatible = "mmio-sram";
+                               reg = <0x01d00000 0xd0000>;
+                               #address-cells = <1>;
+                               #size-cells = <1>;
+                               ranges = <0 0x01d00000 0xd0000>;
+
+                               ve_sram: sram-section@0 {
+                                       compatible = "allwinner,sun7i-a20-sram-c1",
+                                                    "allwinner,sun4i-a10-sram-c1";
+                                       reg = <0x000000 0x80000>;
+                               };
+                       };
                };
 
                nmi_intc: interrupt-controller@1c00030 {