arm: dts: lpc32xx: add external memory controller device node (f83ee67f) · Commits · 戴 / test

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 <vz@mleia.com>

arch/arm/boot/dts/lpc32xx.dtsi

+15 −1

Original line number	Diff line number	Diff line
		@@ -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>;

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