linux-kernel - [PATCH v2 10/15] arm64: dts: allwinner: a64: Add support for the SRAM C1 section

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Message-Id: <20181205092444.29497-11-paul.kocialkowski@bootlin.com>
Date:   Wed,  5 Dec 2018 10:24:39 +0100
From:   Paul Kocialkowski <paul.kocialkowski@...tlin.com>
To:     linux-media@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        devel@...verdev.osuosl.org
Cc:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Maxime Ripard <maxime.ripard@...tlin.com>,
        Chen-Yu Tsai <wens@...e.org>,
        Paul Kocialkowski <paul.kocialkowski@...tlin.com>,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        linux-sunxi@...glegroups.com, Hans Verkuil <hverkuil@...all.nl>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>
Subject: [PATCH v2 10/15] arm64: dts: allwinner: a64: Add support for the SRAM C1 section

Add the description for the SRAM C1 section to the A64 device-tree.

Since there is no entry for this section in the A64 manual, the base
address and size were only verified to be consistent empirically.

Signed-off-by: Paul Kocialkowski <paul.kocialkowski@...tlin.com>
---
 arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
index 384c417cb7a2..8557d52c7c99 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
@@ -301,6 +301,20 @@
 					reg = <0x0000 0x28000>;
 				};
 			};
+
+			sram_c1: sram@...0000 {
+				compatible = "mmio-sram";
+				reg = <0x01d00000 0x40000>;
+				#address-cells = <1>;
+				#size-cells = <1>;
+				ranges = <0 0x01d00000 0x40000>;
+
+				ve_sram: sram-section@0 {
+					compatible = "allwinner,sun50i-a64-sram-c1",
+						     "allwinner,sun4i-a10-sram-c1";
+					reg = <0x000000 0x40000>;
+				};
+			};
 		};
 
 		dma: dma-controller@...2000 {
-- 
2.19.2