[PATCH v4 12/19] ARM: sun8i-a33: Add SRAM controller node and C1 SRAM region

Paul Kocialkowski
2018-06-18T14:58:36Z

From: Maxime Ripard <maxime.ripard@bootlin.com>

This adds a SRAM controller node for the 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@bootlin.com>
Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>

diff --git a/arch/arm/boot/dts/sun8i-a33.dtsi b/arch/arm/boot/dts/sun8i-a33.dtsi
index a21f2ed07a52..97a976b3b1ef 100644
--- a/arch/arm/boot/dts/sun8i-a33.dtsi
+++ b/arch/arm/boot/dts/sun8i-a33.dtsi
@@ -204,6 +204,28 @@
};

soc at 1c00000 {
+ sram-controller at 1c00000 {
+ compatible = "allwinner,sun8i-a33-sram-controller";
+ reg = <0x01c00000 0x30>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ sram_c: sram at 1d00000 {
+ compatible = "mmio-sram";
+ reg = <0x01d00000 0xd00000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0 0x01d00000 0xd00000>;
+
+ ve_sram: sram-section at 0 {
+ compatible = "allwinner,sun8i-a33-sram-c1",
+ "allwinner,sun4i-a10-sram-c1";
+ reg = <0x000000 0x80000>;
+ };
+ };
+ };
+
tcon0: lcd-controller at 1c0c000 {
compatible = "allwinner,sun8i-a33-tcon";
reg = <0x01c0c000 0x1000>;
--
2.17.0