[PATCH] ARM: dts: at919260/at91sam9g20: fix SRAM device tree node

From: Wenyou Yang
Date: Mon Mar 02 2015 - 01:09:29 EST


Fix PM does not work on the at91sam9g20ek board
--->8---
at91_pm_sram_init: failed to find sram device!
---<8---

Signed-off-by: Wenyou Yang <wenyou.yang@xxxxxxxxx>
---
arch/arm/boot/dts/at91sam9260.dtsi | 9 +++++++--
arch/arm/boot/dts/at91sam9g20.dtsi | 9 +++++----
2 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/arch/arm/boot/dts/at91sam9260.dtsi b/arch/arm/boot/dts/at91sam9260.dtsi
index fff0ee6..d1eb27c 100644
--- a/arch/arm/boot/dts/at91sam9260.dtsi
+++ b/arch/arm/boot/dts/at91sam9260.dtsi
@@ -69,9 +69,14 @@
};
};

- sram0: sram@002ff000 {
+ sram0: sram@00200000 {
compatible = "mmio-sram";
- reg = <0x002ff000 0x2000>;
+ reg = <0x00200000 0x1000>;
+ };
+
+ sram1: sram@00300000 {
+ compatible = "mmio-sram";
+ reg = <0x00300000 0x1000>;
};

ahb {
diff --git a/arch/arm/boot/dts/at91sam9g20.dtsi b/arch/arm/boot/dts/at91sam9g20.dtsi
index f593016..eb9a62d 100644
--- a/arch/arm/boot/dts/at91sam9g20.dtsi
+++ b/arch/arm/boot/dts/at91sam9g20.dtsi
@@ -16,13 +16,14 @@
reg = <0x20000000 0x08000000>;
};

- sram0: sram@002ff000 {
- status = "disabled";
+ sram0: sram@00200000 {
+ compatible = "mmio-sram";
+ reg = <0x00200000 0x4000>;
};

- sram1: sram@002fc000 {
+ sram1: sram@00300000 {
compatible = "mmio-sram";
- reg = <0x002fc000 0x8000>;
+ reg = <0x00300000 0x4000>;
};

ahb {
--
1.7.9.5

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