[PATCH 1/3] ARM: dts: sunxi: Add syscon node for controlling SRAM mapping

Jens Kuske jenskuske at gmail.com
Sun Jan 25 07:49:17 PST 2015


From: Chen-Yu Tsai <wens at csie.org>

Allwinner SoCs have a system controller module that controls whether
SRAM blocks are mapped to the CPU memory or specific peripherals.

Signed-off-by: Chen-Yu Tsai <wens at csie.org>
[jenskuske at gmail.com: duplicate syscon node to sun4i and sun5i]
Signed-off-by: Jens Kuske <jenskuske at gmail.com>
---
 arch/arm/boot/dts/sun4i-a10.dtsi  | 5 +++++
 arch/arm/boot/dts/sun5i-a10s.dtsi | 5 +++++
 arch/arm/boot/dts/sun5i-a13.dtsi  | 5 +++++
 arch/arm/boot/dts/sun7i-a20.dtsi  | 5 +++++
 4 files changed, 20 insertions(+)

diff --git a/arch/arm/boot/dts/sun4i-a10.dtsi b/arch/arm/boot/dts/sun4i-a10.dtsi
index 380f914..8a90e48 100644
--- a/arch/arm/boot/dts/sun4i-a10.dtsi
+++ b/arch/arm/boot/dts/sun4i-a10.dtsi
@@ -339,6 +339,11 @@
 		#size-cells = <1>;
 		ranges;
 
+		syscon: syscon at 01c00000 {
+			compatible = "allwinner,sun4i-a10-syscon", "syscon";
+			reg = <0x01c00000 0x8>;
+		};
+
 		dma: dma-controller at 01c02000 {
 			compatible = "allwinner,sun4i-a10-dma";
 			reg = <0x01c02000 0x1000>;
diff --git a/arch/arm/boot/dts/sun5i-a10s.dtsi b/arch/arm/boot/dts/sun5i-a10s.dtsi
index 531272c..21df7b4 100644
--- a/arch/arm/boot/dts/sun5i-a10s.dtsi
+++ b/arch/arm/boot/dts/sun5i-a10s.dtsi
@@ -300,6 +300,11 @@
 		#size-cells = <1>;
 		ranges;
 
+		syscon: syscon at 01c00000 {
+			compatible = "allwinner,sun4i-a10-syscon", "syscon";
+			reg = <0x01c00000 0x8>;
+		};
+
 		dma: dma-controller at 01c02000 {
 			compatible = "allwinner,sun4i-a10-dma";
 			reg = <0x01c02000 0x1000>;
diff --git a/arch/arm/boot/dts/sun5i-a13.dtsi b/arch/arm/boot/dts/sun5i-a13.dtsi
index b131068..b69b7b1 100644
--- a/arch/arm/boot/dts/sun5i-a13.dtsi
+++ b/arch/arm/boot/dts/sun5i-a13.dtsi
@@ -298,6 +298,11 @@
 		#size-cells = <1>;
 		ranges;
 
+		syscon: syscon at 01c00000 {
+			compatible = "allwinner,sun4i-a10-syscon", "syscon";
+			reg = <0x01c00000 0x8>;
+		};
+
 		dma: dma-controller at 01c02000 {
 			compatible = "allwinner,sun4i-a10-dma";
 			reg = <0x01c02000 0x1000>;
diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi b/arch/arm/boot/dts/sun7i-a20.dtsi
index 82097c9..af9c7e6 100644
--- a/arch/arm/boot/dts/sun7i-a20.dtsi
+++ b/arch/arm/boot/dts/sun7i-a20.dtsi
@@ -451,6 +451,11 @@
 		#size-cells = <1>;
 		ranges;
 
+		syscon: syscon at 01c00000 {
+			compatible = "allwinner,sun4i-a10-syscon", "syscon";
+			reg = <0x01c00000 0x8>;
+		};
+
 		nmi_intc: interrupt-controller at 01c00030 {
 			compatible = "allwinner,sun7i-a20-sc-nmi";
 			interrupt-controller;
-- 
2.2.2




More information about the linux-arm-kernel mailing list