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[v3,06/14] ARM: sun7i-a20: Add support for the C1 SRAM region with the SRAM controller

Message ID 20180507124500.20434-7-paul.kocialkowski@bootlin.com (mailing list archive)
State New, archived
Headers show

Commit Message

Paul Kocialkowski May 7, 2018, 12:44 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>
---
 arch/arm/boot/dts/sun7i-a20.dtsi | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
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Patch

diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi b/arch/arm/boot/dts/sun7i-a20.dtsi
index b179e05408e4..9bb6c35fb850 100644
--- a/arch/arm/boot/dts/sun7i-a20.dtsi
+++ b/arch/arm/boot/dts/sun7i-a20.dtsi
@@ -273,6 +273,20 @@ 
 					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 {