From 77c223c118a14285ca5efa0f457b2c6b15dfc147 Mon Sep 17 00:00:00 2001 From: Maxime Ripard Date: Tue, 10 Jul 2018 10:01:04 +0200 Subject: [PATCH] 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 Signed-off-by: Paul Kocialkowski [Maxime: Fixed the SRAM C size] Signed-off-by: Maxime Ripard --- arch/arm/boot/dts/sun7i-a20.dtsi | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi b/arch/arm/boot/dts/sun7i-a20.dtsi index 33e28ae7bc2e..9c52712af241 100644 --- 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 {