Commit a1b7cb92 authored Aug 12, 2017 by Suman Anna Committed by Santosh Shilimkar Aug 12, 2017

ARM: dts: keystone-k2g: Add DSP node



The Keystone 2 66AK2G SoC has a single TMS320C66x DSP Core
Subsystem (C66x CorePac), containing a C66x Fixed/Floating-Point
DSP Core, and 32 KB of L1P & L1D SRAMs and a 1 MB L2 SRAM. Add
the DT node for this DSP processor sub-system.

The DT node has a new property 'power-domains' and no 'clocks'
properties, and uses slightly different property values for
'resets' compared to other Keystone 2 SoCs. The processor does
not have an MMU, and uses various IPC Generation registers and
shared memory for inter-processor communication. The alias with
a stem 'rproc' has also been added for the DSP, it provides a
fixed remoteproc id for the DSP processor.

Signed-off-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>

parent 2ff9612f

arch/arm/boot/dts/keystone-k2g.dtsi

+17 −0

Original line number	Original line	Diff line number	Diff line
	@@ -28,6 +28,7 @@

	aliases {		aliases {
	serial0 = &uart0;		serial0 = &uart0;
			rproc0 = &dsp0;
	};		};

	cpus {		cpus {
	@@ -147,6 +148,22 @@
	gpio,syscon-dev = <&devctrl 0x240>;		gpio,syscon-dev = <&devctrl 0x240>;
	};		};

			dsp0: dsp@10800000 {
			compatible = "ti,k2g-dsp";
			reg = <0x10800000 0x00100000>,
			<0x10e00000 0x00008000>,
			<0x10f00000 0x00008000>;
			reg-names = "l2sram", "l1pram", "l1dram";
			power-domains = <&k2g_pds 0x0046>;
			ti,syscon-dev = <&devctrl 0x844>;
			resets = <&k2g_reset 0x0046 0x1>;
			interrupt-parent = <&kirq0>;
			interrupts = <0 8>;
			interrupt-names = "vring", "exception";
			kick-gpios = <&dspgpio0 27 0>;
			status = "disabled";
			};

	msgmgr: msgmgr@02a00000 {		msgmgr: msgmgr@02a00000 {
	compatible = "ti,k2g-message-manager";		compatible = "ti,k2g-message-manager";
	#mbox-cells = <2>;		#mbox-cells = <2>;