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[v4,11/19] ARM: sun7i-a20: Add support for the C1 SRAM region with the SRAM controller

Message ID 20180618145843.14631-12-paul.kocialkowski@bootlin.com (mailing list archive)
State New, archived
Headers show

Commit Message

Paul Kocialkowski June 18, 2018, 2:58 p.m. UTC 
From: Maxime Ripard <maxime.ripard@bootlin.com>

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>
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Patch

diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi b/arch/arm/boot/dts/sun7i-a20.dtsi
index f64eab4ce6f1..9afd82f9ec79 100644
--- a/arch/arm/boot/dts/sun7i-a20.dtsi
+++ b/arch/arm/boot/dts/sun7i-a20.dtsi
@@ -274,6 +274,20 @@ 
 					status = "disabled";
 				};
 			};
+
+			sram_c: sram@1d00000 {
+				compatible = "mmio-sram";
+				reg = <0x01d00000 0xd00000>;
+				#address-cells = <1>;
+				#size-cells = <1>;
+				ranges = <0 0x01d00000 0xd00000>;
+
+				ve_sram: sram-section@0 {
+					compatible = "allwinner,sun7i-a20-sram-c1",
+						     "allwinner,sun4i-a10-sram-c1";
+					reg = <0x000000 0x80000>;
+				};
+			};
 		};
 
 		nmi_intc: interrupt-controller@1c00030 {