The change adds a description of ARM PrimeCell PL175 memory
controller, which is found on NXP LPC32xx SoCs.

The controller supports up to 4 static memory devices mapped to
0xE000 0000 - 0xE3FF FFFF physical memory area.

Signed-off-by: Vladimir Zapolskiy <[email protected]>
---
Changes from v1 to v2:
- none, new change

 arch/arm/boot/dts/lpc32xx.dtsi | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/lpc32xx.dtsi b/arch/arm/boot/dts/lpc32xx.dtsi
index be82992..a595a4b 100644
--- a/arch/arm/boot/dts/lpc32xx.dtsi
+++ b/arch/arm/boot/dts/lpc32xx.dtsi
@@ -32,7 +32,8 @@
                #address-cells = <1>;
                #size-cells = <1>;
                compatible = "simple-bus";
-               ranges = <0x20000000 0x20000000 0x30000000>;
+               ranges = <0x20000000 0x20000000 0x30000000>,
+                        <0xe0000000 0xe0000000 0x04000000>;
 
                /*
                 * Enable either SLC or MLC
@@ -86,6 +87,19 @@
                        interrupts = <0x1d 0>;
                };
 
+               emc: memory-controller@31080000 {
+                       compatible = "arm,pl175", "arm,primecell";
+                       reg = <0x31080000 0x1000>;
+                       #address-cells = <1>;
+                       #size-cells = <1>;
+
+                       ranges = <0 0xe0000000 0x01000000>,
+                                <1 0xe1000000 0x01000000>,
+                                <2 0xe2000000 0x01000000>,
+                                <3 0xe3000000 0x01000000>;
+                       status = "disabled";
+               };
+
                apb {
                        #address-cells = <1>;
                        #size-cells = <1>;
-- 
2.1.4

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