[PATCH v5 13/22] ARM: sun8i-a23-a33: Add SRAM controller node and C1 SRAM region

Paul Kocialkowski
2018-07-10T08:01:05Z

From: Maxime Ripard <maxime.ripard-LDxbnhwyfcJBDgjK7y7TUQ@public.gmane.org>

This adds a SRAM controller node for the A23 and A33, with support for
the C1 SRAM region that is shared between the Video Engine and the CPU.

Signed-off-by: Maxime Ripard <maxime.ripard-LDxbnhwyfcJBDgjK7y7TUQ@public.gmane.org>
Signed-off-by: Paul Kocialkowski <paul.kocialkowski-LDxbnhwyfcJBDgjK7y7TUQ@public.gmane.org>
---
arch/arm/boot/dts/sun8i-a23-a33.dtsi | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)

diff --git a/arch/arm/boot/dts/sun8i-a23-a33.dtsi b/arch/arm/boot/dts/sun8i-a23-a33.dtsi
index 44f3cad3de75..ad2dd62205d6 100644
--- a/arch/arm/boot/dts/sun8i-a23-a33.dtsi
+++ b/arch/arm/boot/dts/sun8i-a23-a33.dtsi
@@ -124,6 +124,29 @@
#size-cells = <1>;
ranges;

+ system-control@1c00000 {
+ compatible = "allwinner,sun8i-a23-system-control",
+ "allwinner,sun4i-a10-system-control";
+ reg = <0x01c00000 0x30>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ sram_c: sram@1d00000 {
+ compatible = "mmio-sram";
+ reg = <0x01d00000 0x80000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0 0x01d00000 0x80000>;
+
+ ve_sram: sram-section@0 {
+ compatible = "allwinner,sun8i-a23-sram-c1",
+ "allwinner,sun4i-a10-sram-c1";
+ reg = <0x000000 0x80000>;
+ };
+ };
+ };
+
dma: dma-controller@1c02000 {
compatible = "allwinner,sun8i-a23-dma";
reg = <0x01c02000 0x1000>;
--
2.17.1