aspeed: Device Tree configuration for Reset Driver
Add Reset Driver configuration to ast2500 SoC Device Tree and bindings
for various reset signals
Signed-off-by: Maxim Sloyko <maxims@google.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/arm/dts/ast2500-evb.dts b/arch/arm/dts/ast2500-evb.dts
index dc13952..723941a 100644
--- a/arch/arm/dts/ast2500-evb.dts
+++ b/arch/arm/dts/ast2500-evb.dts
@@ -21,3 +21,18 @@
&sdrammc {
clock-frequency = <400000000>;
};
+
+&wdt1 {
+ u-boot,dm-pre-reloc;
+ status = "okay";
+};
+
+&wdt2 {
+ u-boot,dm-pre-reloc;
+ status = "okay";
+};
+
+&wdt3 {
+ u-boot,dm-pre-reloc;
+ status = "okay";
+};
diff --git a/arch/arm/dts/ast2500-u-boot.dtsi b/arch/arm/dts/ast2500-u-boot.dtsi
index c95a7ba..faeeec1 100644
--- a/arch/arm/dts/ast2500-u-boot.dtsi
+++ b/arch/arm/dts/ast2500-u-boot.dtsi
@@ -1,4 +1,5 @@
#include <dt-bindings/clock/ast2500-scu.h>
+#include <dt-bindings/reset/ast2500-reset.h>
#include "ast2500.dtsi"
@@ -11,12 +12,21 @@
#reset-cells = <1>;
};
+ rst: reset-controller {
+ u-boot,dm-pre-reloc;
+ compatible = "aspeed,ast2500-reset";
+ aspeed,wdt = <&wdt1>;
+ #reset-cells = <1>;
+ };
+
sdrammc: sdrammc@1e6e0000 {
u-boot,dm-pre-reloc;
compatible = "aspeed,ast2500-sdrammc";
reg = <0x1e6e0000 0x174
0x1e6e0200 0x1d4 >;
+ #reset-cells = <1>;
clocks = <&scu PLL_MPLL>;
+ resets = <&rst AST_RESET_SDRAM>;
};
ahb {