linux-kernel - [PATCH 1/2] ARM: dts: sun4i: Add support for the C1 SRAM region with the SRAM controller

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Message-Id: <20190118145730.22227-1-paul.kocialkowski@bootlin.com>
Date:   Fri, 18 Jan 2019 15:57:29 +0100
From:   Paul Kocialkowski <paul.kocialkowski@...tlin.com>
To:     devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-sunxi@...glegroups.com
Cc:     Maxime Ripard <maxime.ripard@...tlin.com>,
        Chen-Yu Tsai <wens@...e.org>,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        Paul Kocialkowski <paul.kocialkowski@...tlin.com>
Subject: [PATCH 1/2] ARM: dts: sun4i: 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 A10 platform. The region is shared
between the Video Engine and the CPU.

Signed-off-by: Paul Kocialkowski <paul.kocialkowski@...tlin.com>
---
 arch/arm/boot/dts/sun4i-a10.dtsi | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/arch/arm/boot/dts/sun4i-a10.dtsi b/arch/arm/boot/dts/sun4i-a10.dtsi
index a2fb473cbb9d..c3a74024ca0f 100644
--- a/arch/arm/boot/dts/sun4i-a10.dtsi
+++ b/arch/arm/boot/dts/sun4i-a10.dtsi
@@ -229,6 +229,19 @@
 					status = "disabled";
 				};
 			};
+
+			sram_c: sram@...0000 {
+				compatible = "mmio-sram";
+				reg = <0x01d00000 0xd0000>;
+				#address-cells = <1>;
+				#size-cells = <1>;
+				ranges = <0 0x01d00000 0xd0000>;
+
+				ve_sram: sram-section@0 {
+					compatible = "allwinner,sun4i-a10-sram-c1";
+					reg = <0x000000 0x80000>;
+				};
+			};
 		};
 
 		dma: dma-controller@...2000 {
-- 
2.20.1